About the Execution of 2025-gold for JoinFreeModules-PT-0050
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.r175-smll-177961111800023.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 JoinFreeModules-PT-0050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-177961111800023
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 640K
-rw-r--r-- 1 mcc users 7.2K Mar 7 15:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 15:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 15:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 15:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 11:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 15:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 7 15:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 15:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K Mar 7 15:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 152K 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 JoinFreeModules-PT-0050-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779736137421
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 19:08:59] [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]
[2026-05-25 19:08:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 19:09:00] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2026-05-25 19:09:00] [INFO ] Transformed 251 places.
[2026-05-25 19:09:00] [INFO ] Transformed 401 transitions.
[2026-05-25 19:09:00] [INFO ] Parsed PT model containing 251 places and 401 transitions and 1152 arcs in 391 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 26 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 2, 0, 2, 2, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 2, 0, 2, 2, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 401 rows 250 cols
[2026-05-25 19:09:00] [INFO ] Computed 50 invariants in 34 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 0, 0, 0, 1, 2, 1, 0, 2, 0, 2, 2, 2, 1] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 10006 steps (2 resets) in 122 ms. (81 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 743 ms. (215 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 40, 27, 49, 49, 25, 51, 26, 34, 49, 28, 49, 20, 27, 20, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2026-05-25 19:09:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:01] [INFO ] [Real]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-25 19:09:02] [INFO ] [Real]Absence check using state equation in 368 ms returned sat
[2026-05-25 19:09:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:02] [INFO ] [Nat]Absence check using 50 positive place invariants in 26 ms returned sat
[2026-05-25 19:09:02] [INFO ] [Nat]Absence check using state equation in 414 ms returned sat
[2026-05-25 19:09:02] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-25 19:09:02] [INFO ] [Nat]Added 50 Read/Feed constraints in 94 ms returned sat
[2026-05-25 19:09:02] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 54 ms.
[2026-05-25 19:09:03] [INFO ] Added : 81 causal constraints over 17 iterations in 861 ms. Result :sat
Minimization took 156 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:04] [INFO ] [Real]Absence check using 50 positive place invariants in 31 ms returned sat
[2026-05-25 19:09:04] [INFO ] [Real]Absence check using state equation in 281 ms returned sat
[2026-05-25 19:09:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:04] [INFO ] [Nat]Absence check using 50 positive place invariants in 21 ms returned sat
[2026-05-25 19:09:04] [INFO ] [Nat]Absence check using state equation in 214 ms returned sat
[2026-05-25 19:09:04] [INFO ] [Nat]Added 50 Read/Feed constraints in 127 ms returned sat
[2026-05-25 19:09:04] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 54 ms.
[2026-05-25 19:09:05] [INFO ] Added : 88 causal constraints over 19 iterations in 595 ms. Result :sat
Minimization took 166 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:05] [INFO ] [Real]Absence check using 50 positive place invariants in 30 ms returned sat
[2026-05-25 19:09:05] [INFO ] [Real]Absence check using state equation in 227 ms returned sat
[2026-05-25 19:09:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:06] [INFO ] [Nat]Absence check using 50 positive place invariants in 29 ms returned sat
[2026-05-25 19:09:06] [INFO ] [Nat]Absence check using state equation in 252 ms returned sat
[2026-05-25 19:09:06] [INFO ] [Nat]Added 50 Read/Feed constraints in 143 ms returned sat
[2026-05-25 19:09:06] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 47 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:07] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:07] [INFO ] Deduced a trap composed of 3 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:07] [INFO ] Deduced a trap composed of 3 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:07] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:08] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:08] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 3 ms to minimize.
[2026-05-25 19:09:08] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 605 ms
[2026-05-25 19:09:08] [INFO ] Added : 120 causal constraints over 25 iterations in 1688 ms. Result :sat
Minimization took 353 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:08] [INFO ] [Real]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 19:09:09] [INFO ] [Real]Absence check using state equation in 452 ms returned sat
[2026-05-25 19:09:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:09] [INFO ] [Nat]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 19:09:09] [INFO ] [Nat]Absence check using state equation in 344 ms returned sat
[2026-05-25 19:09:09] [INFO ] [Nat]Added 50 Read/Feed constraints in 83 ms returned sat
[2026-05-25 19:09:09] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 106 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:10] [INFO ] Deduced a trap composed of 3 places in 89 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:10] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:10] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
[2026-05-25 19:09:10] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 308 ms
[2026-05-25 19:09:10] [INFO ] Added : 68 causal constraints over 14 iterations in 1129 ms. Result :sat
Minimization took 200 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:11] [INFO ] [Real]Absence check using 50 positive place invariants in 21 ms returned sat
[2026-05-25 19:09:11] [INFO ] [Real]Absence check using state equation in 179 ms returned sat
[2026-05-25 19:09:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:11] [INFO ] [Nat]Absence check using 50 positive place invariants in 21 ms returned sat
[2026-05-25 19:09:11] [INFO ] [Nat]Absence check using state equation in 183 ms returned sat
[2026-05-25 19:09:11] [INFO ] [Nat]Added 50 Read/Feed constraints in 151 ms returned sat
[2026-05-25 19:09:11] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 38 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:12] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:12] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 2 ms to minimize.
[2026-05-25 19:09:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 186 ms
[2026-05-25 19:09:12] [INFO ] Added : 73 causal constraints over 17 iterations in 725 ms. Result :sat
Minimization took 130 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:12] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 19:09:13] [INFO ] [Real]Absence check using state equation in 235 ms returned sat
[2026-05-25 19:09:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:13] [INFO ] [Nat]Absence check using 50 positive place invariants in 18 ms returned sat
[2026-05-25 19:09:13] [INFO ] [Nat]Absence check using state equation in 249 ms returned sat
[2026-05-25 19:09:13] [INFO ] [Nat]Added 50 Read/Feed constraints in 11 ms returned sat
[2026-05-25 19:09:13] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 45 ms.
[2026-05-25 19:09:14] [INFO ] Added : 95 causal constraints over 21 iterations in 924 ms. Result :sat
Minimization took 197 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:14] [INFO ] [Real]Absence check using 50 positive place invariants in 18 ms returned sat
[2026-05-25 19:09:15] [INFO ] [Real]Absence check using state equation in 187 ms returned sat
[2026-05-25 19:09:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:15] [INFO ] [Nat]Absence check using 50 positive place invariants in 21 ms returned sat
[2026-05-25 19:09:15] [INFO ] [Nat]Absence check using state equation in 252 ms returned sat
[2026-05-25 19:09:15] [INFO ] [Nat]Added 50 Read/Feed constraints in 12 ms returned sat
[2026-05-25 19:09:15] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 40 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:16] [INFO ] Deduced a trap composed of 3 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:16] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:16] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:16] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 3 ms to minimize.
[2026-05-25 19:09:16] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 341 ms
[2026-05-25 19:09:16] [INFO ] Added : 135 causal constraints over 28 iterations in 1415 ms. Result :sat
Minimization took 146 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:17] [INFO ] [Real]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 19:09:17] [INFO ] [Real]Absence check using state equation in 206 ms returned sat
[2026-05-25 19:09:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:17] [INFO ] [Nat]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 19:09:17] [INFO ] [Nat]Absence check using state equation in 250 ms returned sat
[2026-05-25 19:09:17] [INFO ] [Nat]Added 50 Read/Feed constraints in 92 ms returned sat
[2026-05-25 19:09:17] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 45 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:19] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:19] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 3 ms to minimize.
[2026-05-25 19:09:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 187 ms
[2026-05-25 19:09:19] [INFO ] Added : 116 causal constraints over 24 iterations in 1398 ms. Result :sat
Minimization took 309 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:19] [INFO ] [Real]Absence check using 50 positive place invariants in 20 ms returned sat
[2026-05-25 19:09:19] [INFO ] [Real]Absence check using state equation in 184 ms returned sat
[2026-05-25 19:09:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:19] [INFO ] [Nat]Absence check using 50 positive place invariants in 26 ms returned sat
[2026-05-25 19:09:20] [INFO ] [Nat]Absence check using state equation in 259 ms returned sat
[2026-05-25 19:09:20] [INFO ] [Nat]Added 50 Read/Feed constraints in 88 ms returned sat
[2026-05-25 19:09:20] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 43 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:21] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:21] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 3 ms to minimize.
[2026-05-25 19:09:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 191 ms
[2026-05-25 19:09:21] [INFO ] Added : 105 causal constraints over 23 iterations in 1186 ms. Result :sat
Minimization took 243 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:21] [INFO ] [Real]Absence check using 50 positive place invariants in 28 ms returned sat
[2026-05-25 19:09:22] [INFO ] [Real]Absence check using state equation in 227 ms returned sat
[2026-05-25 19:09:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:22] [INFO ] [Nat]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 19:09:22] [INFO ] [Nat]Absence check using state equation in 227 ms returned sat
[2026-05-25 19:09:22] [INFO ] [Nat]Added 50 Read/Feed constraints in 112 ms returned sat
[2026-05-25 19:09:22] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 41 ms.
[2026-05-25 19:09:23] [INFO ] Added : 83 causal constraints over 18 iterations in 822 ms. Result :sat
Minimization took 171 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:23] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 19:09:24] [INFO ] [Real]Absence check using state equation in 195 ms returned sat
[2026-05-25 19:09:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:24] [INFO ] [Nat]Absence check using 50 positive place invariants in 20 ms returned sat
[2026-05-25 19:09:24] [INFO ] [Nat]Absence check using state equation in 181 ms returned sat
[2026-05-25 19:09:24] [INFO ] [Nat]Added 50 Read/Feed constraints in 69 ms returned sat
[2026-05-25 19:09:24] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 37 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:25] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:25] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:25] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:25] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 4 ms to minimize.
[2026-05-25 19:09:25] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 350 ms
[2026-05-25 19:09:26] [INFO ] Added : 127 causal constraints over 28 iterations in 1620 ms. Result :sat
Minimization took 324 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:26] [INFO ] [Real]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 19:09:26] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2026-05-25 19:09:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:26] [INFO ] [Nat]Absence check using 50 positive place invariants in 27 ms returned sat
[2026-05-25 19:09:27] [INFO ] [Nat]Absence check using state equation in 314 ms returned sat
[2026-05-25 19:09:27] [INFO ] [Nat]Added 50 Read/Feed constraints in 100 ms returned sat
[2026-05-25 19:09:27] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 47 ms.
[2026-05-25 19:09:27] [INFO ] Added : 57 causal constraints over 12 iterations in 571 ms. Result :sat
Minimization took 150 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:28] [INFO ] [Real]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 19:09:28] [INFO ] [Real]Absence check using state equation in 230 ms returned sat
[2026-05-25 19:09:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:28] [INFO ] [Nat]Absence check using 50 positive place invariants in 22 ms returned sat
[2026-05-25 19:09:28] [INFO ] [Nat]Absence check using state equation in 228 ms returned sat
[2026-05-25 19:09:28] [INFO ] [Nat]Added 50 Read/Feed constraints in 153 ms returned sat
[2026-05-25 19:09:28] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 43 ms.
[2026-05-25 19:09:29] [INFO ] Added : 91 causal constraints over 19 iterations in 773 ms. Result :sat
Minimization took 291 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:30] [INFO ] [Real]Absence check using 50 positive place invariants in 18 ms returned sat
[2026-05-25 19:09:30] [INFO ] [Real]Absence check using state equation in 174 ms returned sat
[2026-05-25 19:09:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:30] [INFO ] [Nat]Absence check using 50 positive place invariants in 17 ms returned sat
[2026-05-25 19:09:30] [INFO ] [Nat]Absence check using state equation in 215 ms returned sat
[2026-05-25 19:09:30] [INFO ] [Nat]Added 50 Read/Feed constraints in 104 ms returned sat
[2026-05-25 19:09:30] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 48 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:31] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
[2026-05-25 19:09:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 119 ms
[2026-05-25 19:09:31] [INFO ] Added : 82 causal constraints over 17 iterations in 1037 ms. Result :sat
Minimization took 272 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:32] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-25 19:09:32] [INFO ] [Real]Absence check using state equation in 227 ms returned sat
[2026-05-25 19:09:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:32] [INFO ] [Nat]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 19:09:32] [INFO ] [Nat]Absence check using state equation in 249 ms returned sat
[2026-05-25 19:09:32] [INFO ] [Nat]Added 50 Read/Feed constraints in 101 ms returned sat
[2026-05-25 19:09:33] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 53 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:33] [INFO ] Deduced a trap composed of 3 places in 45 ms of which 4 ms to minimize.
[2026-05-25 19:09:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 117 ms
[2026-05-25 19:09:34] [INFO ] Added : 80 causal constraints over 17 iterations in 1104 ms. Result :sat
Minimization took 284 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:34] [INFO ] [Real]Absence check using 50 positive place invariants in 25 ms returned sat
[2026-05-25 19:09:34] [INFO ] [Real]Absence check using state equation in 302 ms returned sat
[2026-05-25 19:09:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:09:34] [INFO ] [Nat]Absence check using 50 positive place invariants in 32 ms returned sat
[2026-05-25 19:09:35] [INFO ] [Nat]Absence check using state equation in 229 ms returned sat
[2026-05-25 19:09:35] [INFO ] [Nat]Added 50 Read/Feed constraints in 120 ms returned sat
[2026-05-25 19:09:35] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 43 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:36] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:09:36] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 3 ms to minimize.
[2026-05-25 19:09:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 220 ms
[2026-05-25 19:09:36] [INFO ] Added : 96 causal constraints over 21 iterations in 1261 ms. Result :sat
Minimization took 219 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 40, 27, 49, 49, 25, 51, 26, 34, 49, 28, 49, 20, 27, 20, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 51, 49, 49, 51, 51, 52, 51, 49, 52, 49, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 16 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 401/401 transitions.
Graph (complete) has 600 edges and 250 vertex of which 75 are kept as prefixes of interest. Removing 175 places using SCC suffix rule.2 ms
Discarding 175 places :
Also discarding 280 output transitions
Drop transitions (Output transitions of discarded places.) removed 280 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 75 transition count 120
Applied a total of 2 rules in 33 ms. Remains 75 /250 variables (removed 175) and now considering 120/401 (removed 281) transitions.
Running 90 sub problems to find dead transitions.
// Phase 1: matrix 120 rows 75 cols
[2026-05-25 19:10:18] [INFO ] Computed 15 invariants in 2 ms
[2026-05-25 19:10:18] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 15/75 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (OVERLAPS) 120/195 variables, 75/90 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 15/105 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (OVERLAPS) 0/195 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 105 constraints, problems are : Problem set: 0 solved, 90 unsolved in 3875 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 75/75 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 90 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 15/75 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (OVERLAPS) 120/195 variables, 75/90 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 15/105 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 90/195 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 7 (OVERLAPS) 0/195 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 195 constraints, problems are : Problem set: 0 solved, 90 unsolved in 12486 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 75/75 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16430ms problems are : Problem set: 0 solved, 90 unsolved
Search for dead transitions found 0 dead transitions in 16439ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16491 ms. Remains : 75/250 places, 120/401 transitions.
[2026-05-25 19:10:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 51, 49, 49, 51, 51, 52, 51, 49, 52, 49, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000016 steps (2 resets) in 2091 ms. (478 steps per ms)
FORMULA JoinFreeModules-PT-0050-UpperBounds-11 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-04 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 14000014 steps (28 resets) in 20887 ms. (670 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 51, 51, 52, 51, 51, 52, 51, 52, 52, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2026-05-25 19:10:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:10:57] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:10:57] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-25 19:10:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:10:57] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 19:10:57] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-25 19:10:57] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-25 19:10:58] [INFO ] [Nat]Added 15 Read/Feed constraints in 239 ms returned sat
[2026-05-25 19:10:58] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:10:58] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 4 ms to minimize.
[2026-05-25 19:10:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2026-05-25 19:10:58] [INFO ] Added : 53 causal constraints over 12 iterations in 439 ms. Result :sat
Minimization took 63 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:10:58] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 19:10:58] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 19:10:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:10:58] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:10:58] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 19:10:59] [INFO ] [Nat]Added 15 Read/Feed constraints in 357 ms returned sat
[2026-05-25 19:10:59] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 19:10:59] [INFO ] Added : 59 causal constraints over 14 iterations in 339 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:10:59] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:10:59] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 19:10:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:10:59] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:11:00] [INFO ] [Nat]Absence check using state equation in 675 ms returned sat
[2026-05-25 19:11:00] [INFO ] [Nat]Added 15 Read/Feed constraints in 152 ms returned sat
[2026-05-25 19:11:00] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 19:11:00] [INFO ] Added : 42 causal constraints over 9 iterations in 107 ms. Result :sat
Minimization took 92 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:00] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 19:11:00] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-25 19:11:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:01] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:11:01] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-25 19:11:01] [INFO ] [Nat]Added 15 Read/Feed constraints in 61 ms returned sat
[2026-05-25 19:11:01] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 19:11:01] [INFO ] Added : 57 causal constraints over 13 iterations in 227 ms. Result :sat
Minimization took 48 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:01] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 19:11:01] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 19:11:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:01] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:11:01] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-25 19:11:02] [INFO ] [Nat]Added 15 Read/Feed constraints in 406 ms returned sat
[2026-05-25 19:11:02] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 19:11:02] [INFO ] Added : 49 causal constraints over 13 iterations in 222 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:02] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:11:02] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-25 19:11:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:02] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:11:02] [INFO ] [Nat]Absence check using state equation in 370 ms returned sat
[2026-05-25 19:11:03] [INFO ] [Nat]Added 15 Read/Feed constraints in 352 ms returned sat
[2026-05-25 19:11:03] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-25 19:11:03] [INFO ] Added : 18 causal constraints over 4 iterations in 89 ms. Result :sat
Minimization took 45 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:03] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 19:11:03] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 19:11:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:03] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 19:11:03] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 19:11:03] [INFO ] [Nat]Added 15 Read/Feed constraints in 7 ms returned sat
[2026-05-25 19:11:03] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 19:11:03] [INFO ] Added : 51 causal constraints over 11 iterations in 198 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:04] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 19:11:04] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 19:11:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:04] [INFO ] [Nat]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 19:11:04] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-25 19:11:04] [INFO ] [Nat]Added 15 Read/Feed constraints in 256 ms returned sat
[2026-05-25 19:11:04] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-25 19:11:04] [INFO ] Added : 40 causal constraints over 9 iterations in 213 ms. Result :sat
Minimization took 58 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:04] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 19:11:04] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 19:11:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:04] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:05] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2026-05-25 19:11:05] [INFO ] [Nat]Added 15 Read/Feed constraints in 72 ms returned sat
[2026-05-25 19:11:05] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-25 19:11:05] [INFO ] Added : 52 causal constraints over 13 iterations in 209 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:05] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:05] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-25 19:11:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:05] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:05] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-25 19:11:05] [INFO ] [Nat]Added 15 Read/Feed constraints in 5 ms returned sat
[2026-05-25 19:11:05] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:11:05] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 2 ms to minimize.
[2026-05-25 19:11:05] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 47 ms
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:05] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:05] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 19:11:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:05] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 19:11:06] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-25 19:11:06] [INFO ] [Nat]Added 15 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:11:06] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:11:06] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
[2026-05-25 19:11:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
[2026-05-25 19:11:06] [INFO ] Added : 79 causal constraints over 18 iterations in 229 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:06] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:06] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-25 19:11:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:06] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 19:11:06] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 19:11:06] [INFO ] [Nat]Added 15 Read/Feed constraints in 63 ms returned sat
[2026-05-25 19:11:06] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 19:11:06] [INFO ] Added : 46 causal constraints over 11 iterations in 118 ms. Result :sat
Minimization took 37 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:06] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 19:11:06] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-25 19:11:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:06] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:07] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2026-05-25 19:11:07] [INFO ] [Nat]Added 15 Read/Feed constraints in 7 ms returned sat
[2026-05-25 19:11:07] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:11:07] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 2 ms to minimize.
[2026-05-25 19:11:07] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 30 ms
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:07] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 19:11:07] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 19:11:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:07] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 19:11:07] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2026-05-25 19:11:07] [INFO ] [Nat]Added 15 Read/Feed constraints in 87 ms returned sat
[2026-05-25 19:11:07] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 19:11:07] [INFO ] Added : 46 causal constraints over 11 iterations in 142 ms. Result :sat
Minimization took 49 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 51, 51, 52, 51, 51, 52, 51, 52, 52, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 52, 53, 53, 52, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-14 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-10 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 51, 52, 51, 51, 52, 51, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 12 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 120/120 transitions.
Graph (complete) has 180 edges and 75 vertex of which 60 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions (Output transitions of discarded places.) removed 24 transitions
Applied a total of 1 rules in 5 ms. Remains 60 /75 variables (removed 15) and now considering 96/120 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 60/75 places, 96/120 transitions.
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 19:11:10] [INFO ] Computed 12 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 51, 52, 51, 51, 52, 51, 52, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000006 steps (2 resets) in 1479 ms. (675 steps per ms)
FORMULA JoinFreeModules-PT-0050-UpperBounds-09 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 11000011 steps (22 resets) in 13677 ms. (804 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 51, 51, 52, 52, 51, 52, 51, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2026-05-25 19:11:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:26] [INFO ] [Real]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 19:11:26] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-25 19:11:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:26] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:26] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2026-05-25 19:11:26] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 19:11:26] [INFO ] [Nat]Added 12 Read/Feed constraints in 5 ms returned sat
[2026-05-25 19:11:26] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-25 19:11:26] [INFO ] Added : 43 causal constraints over 10 iterations in 264 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:26] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:26] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 19:11:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:26] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:26] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2026-05-25 19:11:26] [INFO ] [Nat]Added 12 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:11:26] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:11:26] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 4 ms to minimize.
[2026-05-25 19:11:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2026-05-25 19:11:26] [INFO ] Added : 39 causal constraints over 9 iterations in 189 ms. Result :sat
Minimization took 54 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:27] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:27] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-25 19:11:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:27] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:27] [INFO ] [Nat]Absence check using state equation in 275 ms returned sat
[2026-05-25 19:11:27] [INFO ] [Nat]Added 12 Read/Feed constraints in 247 ms returned sat
[2026-05-25 19:11:27] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 19:11:28] [INFO ] Added : 49 causal constraints over 10 iterations in 287 ms. Result :sat
Minimization took 87 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:28] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:28] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 19:11:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:28] [INFO ] [Nat]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 19:11:28] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2026-05-25 19:11:28] [INFO ] [Nat]Added 12 Read/Feed constraints in 127 ms returned sat
[2026-05-25 19:11:28] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 19:11:28] [INFO ] Added : 31 causal constraints over 7 iterations in 408 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:29] [INFO ] [Real]Absence check using 12 positive place invariants in 8 ms returned sat
[2026-05-25 19:11:29] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 19:11:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:29] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:29] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-25 19:11:29] [INFO ] [Nat]Added 12 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:11:29] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-25 19:11:29] [INFO ] Added : 42 causal constraints over 10 iterations in 519 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:29] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:29] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-25 19:11:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:29] [INFO ] [Nat]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 19:11:29] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2026-05-25 19:11:30] [INFO ] [Nat]Added 12 Read/Feed constraints in 129 ms returned sat
[2026-05-25 19:11:30] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:11:30] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 3 ms to minimize.
[2026-05-25 19:11:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2026-05-25 19:11:30] [INFO ] Added : 63 causal constraints over 13 iterations in 520 ms. Result :sat
Minimization took 45 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:30] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:30] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 19:11:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:30] [INFO ] [Nat]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 19:11:30] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2026-05-25 19:11:31] [INFO ] [Nat]Added 12 Read/Feed constraints in 249 ms returned sat
[2026-05-25 19:11:31] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 19:11:31] [INFO ] Added : 54 causal constraints over 12 iterations in 190 ms. Result :sat
Minimization took 46 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:31] [INFO ] [Real]Absence check using 12 positive place invariants in 8 ms returned sat
[2026-05-25 19:11:31] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 19:11:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:31] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:31] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2026-05-25 19:11:32] [INFO ] [Nat]Added 12 Read/Feed constraints in 676 ms returned sat
[2026-05-25 19:11:32] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 19:11:32] [INFO ] Added : 37 causal constraints over 9 iterations in 149 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:32] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:32] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 19:11:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:32] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 19:11:32] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-25 19:11:32] [INFO ] [Nat]Added 12 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:11:32] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 19:11:32] [INFO ] Added : 36 causal constraints over 8 iterations in 99 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:32] [INFO ] [Real]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 19:11:33] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 19:11:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:33] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:33] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-25 19:11:33] [INFO ] [Nat]Added 12 Read/Feed constraints in 484 ms returned sat
[2026-05-25 19:11:33] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:11:34] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 3 ms to minimize.
[2026-05-25 19:11:34] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 49 ms
Minimization took 28 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:34] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:34] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-25 19:11:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:34] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:34] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2026-05-25 19:11:34] [INFO ] [Nat]Added 12 Read/Feed constraints in 309 ms returned sat
[2026-05-25 19:11:34] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 19 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:11:34] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 2 ms to minimize.
[2026-05-25 19:11:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2026-05-25 19:11:34] [INFO ] Added : 46 causal constraints over 10 iterations in 223 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 51, 51, 52, 52, 51, 52, 51, 52, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 52, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-13 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 51, 52, 52, 51, 52, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 10 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 96/96 transitions.
Graph (complete) has 144 edges and 60 vertex of which 50 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 5 ms. Remains 50 /60 variables (removed 10) and now considering 80/96 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 50/60 places, 80/96 transitions.
// Phase 1: matrix 80 rows 50 cols
[2026-05-25 19:11:36] [INFO ] Computed 10 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 51, 52, 52, 51, 52, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000010 steps (2 resets) in 1234 ms. (809 steps per ms)
FORMULA JoinFreeModules-PT-0050-UpperBounds-03 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 9000009 steps (18 resets) in 8870 ms. (1014 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 51, 51, 52, 51, 52, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53]
[2026-05-25 19:11:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:46] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-25 19:11:46] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2026-05-25 19:11:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:46] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-25 19:11:46] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 19:11:46] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-25 19:11:46] [INFO ] [Nat]Added 10 Read/Feed constraints in 224 ms returned sat
[2026-05-25 19:11:47] [INFO ] Computed and/alt/rep : 60/150/60 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 19:11:47] [INFO ] Added : 29 causal constraints over 7 iterations in 82 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:47] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-25 19:11:47] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 19:11:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:47] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:47] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-25 19:11:47] [INFO ] [Nat]Added 10 Read/Feed constraints in 268 ms returned sat
[2026-05-25 19:11:47] [INFO ] Computed and/alt/rep : 60/150/60 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 19:11:47] [INFO ] Added : 26 causal constraints over 6 iterations in 70 ms. Result :sat
Minimization took 49 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:47] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-25 19:11:47] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-25 19:11:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:47] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-25 19:11:47] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 19:11:47] [INFO ] [Nat]Added 10 Read/Feed constraints in 53 ms returned sat
[2026-05-25 19:11:47] [INFO ] Computed and/alt/rep : 60/150/60 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 19:11:47] [INFO ] Added : 36 causal constraints over 9 iterations in 73 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:48] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-25 19:11:48] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-25 19:11:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-25 19:11:48] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:11:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:11:48] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 2 ms to minimize.
[2026-05-25 19:11:48] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 27 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:48] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-25 19:11:48] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:11:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-25 19:11:48] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:11:48] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:11:48] [INFO ] Computed and/alt/rep : 60/150/60 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 19:11:48] [INFO ] Added : 39 causal constraints over 10 iterations in 390 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:48] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-25 19:11:48] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-25 19:11:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-25 19:11:48] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-25 19:11:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 250 ms returned sat
[2026-05-25 19:11:49] [INFO ] Computed and/alt/rep : 60/150/60 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 19:11:49] [INFO ] Added : 36 causal constraints over 8 iterations in 180 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:49] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-25 19:11:49] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 19:11:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:49] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:49] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-25 19:11:49] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:11:49] [INFO ] Computed and/alt/rep : 60/150/60 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 19:11:50] [INFO ] Added : 33 causal constraints over 8 iterations in 513 ms. Result :sat
Minimization took 53 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:50] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:50] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 19:11:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:50] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-25 19:11:50] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2026-05-25 19:11:50] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:11:50] [INFO ] Computed and/alt/rep : 60/150/60 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 19:11:50] [INFO ] Added : 40 causal constraints over 9 iterations in 97 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:50] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 19:11:50] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 19:11:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:11:50] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-25 19:11:50] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2026-05-25 19:11:50] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:11:50] [INFO ] Computed and/alt/rep : 60/150/60 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 19:11:50] [INFO ] Added : 43 causal constraints over 9 iterations in 345 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 51, 51, 52, 51, 52, 51, 52, 51] Max Struct:[53, 53, 53, 52, 53, 53, 53, 53, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-05 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 51, 51, 52, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53]
Support contains 8 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 80/80 transitions.
Graph (complete) has 120 edges and 50 vertex of which 40 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.0 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 3 ms. Remains 40 /50 variables (removed 10) and now considering 64/80 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 40/50 places, 64/80 transitions.
// Phase 1: matrix 64 rows 40 cols
[2026-05-25 19:11:52] [INFO ] Computed 8 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 51, 51, 52, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000005 steps (2 resets) in 990 ms. (1009 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 7418 ms. (1078 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 51, 51, 51, 52, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53]
[2026-05-25 19:12:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:00] [INFO ] [Real]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-25 19:12:00] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:12:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:00] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:00] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-25 19:12:00] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-25 19:12:00] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:00] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 19:12:01] [INFO ] Added : 35 causal constraints over 8 iterations in 1060 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:01] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:01] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-25 19:12:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:02] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:02] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-25 19:12:02] [INFO ] [Nat]Added 8 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:12:02] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 19:12:02] [INFO ] Added : 35 causal constraints over 9 iterations in 98 ms. Result :sat
Minimization took 56 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:02] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:02] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-25 19:12:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:02] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:02] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-25 19:12:02] [INFO ] [Nat]Added 8 Read/Feed constraints in 71 ms returned sat
[2026-05-25 19:12:02] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 19:12:02] [INFO ] Added : 32 causal constraints over 10 iterations in 112 ms. Result :sat
Minimization took 48 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:02] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:02] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 19:12:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:02] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:02] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-25 19:12:02] [INFO ] [Nat]Added 8 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:12:02] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 19:12:02] [INFO ] Added : 35 causal constraints over 10 iterations in 125 ms. Result :sat
Minimization took 49 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:03] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:03] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2026-05-25 19:12:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:03] [INFO ] [Nat]Absence check using state equation in 239 ms returned sat
[2026-05-25 19:12:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 31 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:03] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 3 ms to minimize.
[2026-05-25 19:12:03] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 43 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:03] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:03] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-25 19:12:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:03] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 19:12:03] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:03] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 19:12:03] [INFO ] Added : 32 causal constraints over 8 iterations in 86 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:03] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:03] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-25 19:12:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:03] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 19:12:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 168 ms returned sat
[2026-05-25 19:12:04] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 19:12:04] [INFO ] Added : 29 causal constraints over 7 iterations in 137 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:04] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-25 19:12:04] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-25 19:12:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:04] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:04] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 19:12:04] [INFO ] [Nat]Added 8 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:04] [INFO ] Computed and/alt/rep : 48/120/48 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 19:12:04] [INFO ] Added : 35 causal constraints over 9 iterations in 66 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 51, 51, 51, 52, 51, 52, 51] Max Struct:[53, 53, 53, 53, 52, 53, 53, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-07 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 51, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
Support contains 7 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 35 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 3 ms. Remains 35 /40 variables (removed 5) and now considering 56/64 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 35/40 places, 56/64 transitions.
// Phase 1: matrix 56 rows 35 cols
[2026-05-25 19:12:05] [INFO ] Computed 7 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 51, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000007 steps (2 resets) in 897 ms. (1113 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 4990 ms. (1402 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 51, 52, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53, 53]
[2026-05-25 19:12:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:11] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:11] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 19:12:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:11] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:11] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-25 19:12:11] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-25 19:12:11] [INFO ] [Nat]Added 7 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:11] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 19:12:11] [INFO ] Added : 19 causal constraints over 4 iterations in 31 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:11] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:11] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:12:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:11] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2026-05-25 19:12:11] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-25 19:12:11] [INFO ] [Nat]Added 7 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:11] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 19:12:11] [INFO ] Added : 28 causal constraints over 7 iterations in 225 ms. Result :sat
Minimization took 43 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:11] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:11] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-25 19:12:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:11] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2026-05-25 19:12:11] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-25 19:12:11] [INFO ] [Nat]Added 7 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:12:11] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:12] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 4 ms to minimize.
[2026-05-25 19:12:12] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 45 ms
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:12] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:12] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-25 19:12:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:12] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:12] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-25 19:12:12] [INFO ] [Nat]Added 7 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:12:12] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 19:12:12] [INFO ] Added : 27 causal constraints over 6 iterations in 57 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:13] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 19:12:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:13] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Nat]Added 7 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:12:13] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 19:12:13] [INFO ] Added : 29 causal constraints over 6 iterations in 59 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:13] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 19:12:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:13] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Nat]Added 7 Read/Feed constraints in 22 ms returned sat
[2026-05-25 19:12:13] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 19:12:13] [INFO ] Added : 24 causal constraints over 6 iterations in 67 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:13] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:12:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:13] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 19:12:13] [INFO ] [Nat]Added 7 Read/Feed constraints in 4 ms returned sat
[2026-05-25 19:12:13] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 19:12:13] [INFO ] Added : 24 causal constraints over 6 iterations in 61 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 51, 52, 51, 51, 52, 51] Max Struct:[53, 53, 52, 53, 53, 53, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-02 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53]
Support contains 6 out of 35 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 56/56 transitions.
Graph (complete) has 84 edges and 35 vertex of which 30 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 3 ms. Remains 30 /35 variables (removed 5) and now considering 48/56 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 30/35 places, 48/56 transitions.
// Phase 1: matrix 48 rows 30 cols
[2026-05-25 19:12:14] [INFO ] Computed 6 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53]
RANDOM walk for 1000007 steps (2 resets) in 998 ms. (1001 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3865 ms. (1551 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 51, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 53, 53]
[2026-05-25 19:12:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:18] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:18] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-25 19:12:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:19] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:19] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-25 19:12:19] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 19:12:19] [INFO ] [Nat]Added 6 Read/Feed constraints in 24 ms returned sat
[2026-05-25 19:12:19] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:19] [INFO ] Deduced a trap composed of 3 places in 41 ms of which 2 ms to minimize.
[2026-05-25 19:12:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2026-05-25 19:12:19] [INFO ] Added : 22 causal constraints over 5 iterations in 141 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:19] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:19] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-25 19:12:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:19] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:19] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-25 19:12:19] [INFO ] [Nat]Added 6 Read/Feed constraints in 70 ms returned sat
[2026-05-25 19:12:19] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 19:12:19] [INFO ] Added : 18 causal constraints over 5 iterations in 60 ms. Result :sat
Minimization took 42 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:19] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:19] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-25 19:12:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:19] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:19] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 19:12:19] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:12:19] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 19:12:19] [INFO ] Added : 17 causal constraints over 4 iterations in 83 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:19] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:19] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 19:12:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:19] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:20] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-25 19:12:20] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:20] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 19:12:20] [INFO ] Added : 19 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:20] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:20] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 19:12:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:20] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:20] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:12:20] [INFO ] [Nat]Added 6 Read/Feed constraints in 14 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:20] [INFO ] Deduced a trap composed of 3 places in 83 ms of which 57 ms to minimize.
[2026-05-25 19:12:20] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 102 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:20] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:20] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-25 19:12:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:20] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:20] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-25 19:12:20] [INFO ] [Nat]Added 6 Read/Feed constraints in 59 ms returned sat
[2026-05-25 19:12:20] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 19:12:20] [INFO ] Added : 20 causal constraints over 5 iterations in 87 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 51, 51, 51, 52, 51] Max Struct:[53, 53, 53, 53, 52, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-12 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
Support contains 5 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Graph (complete) has 72 edges and 30 vertex of which 25 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 3 ms. Remains 25 /30 variables (removed 5) and now considering 40/48 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/30 places, 40/48 transitions.
// Phase 1: matrix 40 rows 25 cols
[2026-05-25 19:12:21] [INFO ] Computed 5 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
RANDOM walk for 1000001 steps (2 resets) in 795 ms. (1256 steps per ms)
BEST_FIRST walk for 5000004 steps (10 resets) in 3397 ms. (1471 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 52, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
[2026-05-25 19:12:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:25] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2026-05-25 19:12:25] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-25 19:12:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:25] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:25] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-25 19:12:25] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 19:12:25] [INFO ] [Nat]Added 5 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:25] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:25] [INFO ] Deduced a trap composed of 3 places in 67 ms of which 8 ms to minimize.
[2026-05-25 19:12:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
[2026-05-25 19:12:25] [INFO ] Added : 27 causal constraints over 6 iterations in 236 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:25] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:25] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 19:12:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:25] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:25] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 19:12:25] [INFO ] [Nat]Added 5 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:25] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 19:12:25] [INFO ] Added : 16 causal constraints over 5 iterations in 48 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:25] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:25] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:12:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:26] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-25 19:12:26] [INFO ] [Nat]Added 5 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:26] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 19:12:26] [INFO ] Added : 23 causal constraints over 5 iterations in 279 ms. Result :sat
Minimization took 29 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:26] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:26] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-25 19:12:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:26] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-25 19:12:26] [INFO ] [Nat]Added 5 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:26] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 19:12:26] [INFO ] Added : 21 causal constraints over 6 iterations in 58 ms. Result :sat
Minimization took 28 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:26] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:26] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-25 19:12:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:26] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:26] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 19:12:26] [INFO ] [Nat]Added 5 Read/Feed constraints in 3 ms returned sat
[2026-05-25 19:12:26] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 19 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:26] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 3 ms to minimize.
[2026-05-25 19:12:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2026-05-25 19:12:26] [INFO ] Added : 27 causal constraints over 6 iterations in 128 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 52, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 52, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 40/40 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 40/40 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 40/40 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 40/40 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 40/40 (removed 0) transitions.
[2026-05-25 19:12:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 19:12:27] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-25 19:12:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 19:12:27] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 19:12:27] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 113 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 19:12:27] [INFO ] Redundant transitions in 1 ms returned []
Running 30 sub problems to find dead transitions.
[2026-05-25 19:12:27] [INFO ] Invariant cache hit.
[2026-05-25 19:12:27] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 5/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 40/65 variables, 25/30 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 0/65 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 35 constraints, problems are : Problem set: 0 solved, 30 unsolved in 963 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 25/25 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 5/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 40/65 variables, 25/30 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 30/65 constraints. Problems are: Problem set: 0 solved, 30 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:28] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 66 constraints, problems are : Problem set: 0 solved, 30 unsolved in 1286 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 25/25 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2264ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 2265ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2399 ms. Remains : 25/25 places, 40/40 transitions.
[2026-05-25 19:12:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[51, 52, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
RANDOM walk for 1000000 steps (2 resets) in 1007 ms. (992 steps per ms)
BEST_FIRST walk for 5000003 steps (10 resets) in 2600 ms. (1922 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 52, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
[2026-05-25 19:12:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:33] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 19:12:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:33] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-25 19:12:33] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 19:12:33] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:12:33] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 3 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:33] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
[2026-05-25 19:12:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2026-05-25 19:12:33] [INFO ] Added : 27 causal constraints over 6 iterations in 73 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:33] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-25 19:12:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:33] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:12:33] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 19:12:33] [INFO ] Added : 16 causal constraints over 5 iterations in 35 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:33] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-25 19:12:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:33] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:12:33] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 19:12:33] [INFO ] Added : 23 causal constraints over 5 iterations in 174 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:33] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-25 19:12:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:33] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2026-05-25 19:12:33] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:12:33] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 19:12:33] [INFO ] Added : 21 causal constraints over 6 iterations in 49 ms. Result :sat
Minimization took 28 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:34] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-25 19:12:34] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2026-05-25 19:12:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:12:34] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 19:12:34] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-25 19:12:34] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2026-05-25 19:12:34] [INFO ] Computed and/alt/rep : 30/75/30 causal constraints (skipped 0 transitions) in 3 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:34] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 3 ms to minimize.
[2026-05-25 19:12:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
[2026-05-25 19:12:34] [INFO ] Added : 27 causal constraints over 6 iterations in 81 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 52, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 52, 51, 51, 51] Max Struct:[53, 53, 53, 53, 53]
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 40/40 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 40/40 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 40/40 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 40/40 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 40/40 (removed 0) transitions.
[2026-05-25 19:12:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 19:12:34] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 19:12:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 19:12:34] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 19:12:34] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 19:12:34] [INFO ] Redundant transitions in 0 ms returned []
Running 30 sub problems to find dead transitions.
[2026-05-25 19:12:34] [INFO ] Invariant cache hit.
[2026-05-25 19:12:34] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 5/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 40/65 variables, 25/30 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 0/65 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 35 constraints, problems are : Problem set: 0 solved, 30 unsolved in 983 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 25/25 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 5/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 40/65 variables, 25/30 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/65 variables, 30/65 constraints. Problems are: Problem set: 0 solved, 30 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 19:12:36] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/65 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 66 constraints, problems are : Problem set: 0 solved, 30 unsolved in 2045 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 25/25 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3036ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 3037ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3111 ms. Remains : 25/25 places, 40/40 transitions.
RANDOM walk for 40011 steps (8 resets) in 644 ms. (62 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 263 ms. (151 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 293 ms. (136 steps per ms) remains 10/10 properties
[2026-05-25 19:12:37] [INFO ] Flatten gal took : 59 ms
[2026-05-25 19:12:37] [INFO ] Flatten gal took : 14 ms
BEST_FIRST walk for 40004 steps (8 resets) in 226 ms. (176 steps per ms) remains 10/10 properties
[2026-05-25 19:12:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3295805007816851719.gal : 9 ms
[2026-05-25 19:12:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2637660774629930735.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/ReachabilityCardinality3295805007816851719.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2637660774629930735.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 10/10 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 ...328
Loading property file /tmp/ReachabilityCardinality2637660774629930735.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 232 ms. (171 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :246 after 761
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :761 after 1340
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :1340 after 75946
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :75946 after 191677
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :191677 after 2.9833e+10
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :2.9833e+10 after 2.30771e+16
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,9.46101e+27,2.37653,33608,2,1841,15,136044,16,0,223,153852,0
Total reachable state count : 9461007399963756278663086080
Verifying 10 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
MAX0,0,2.38027,33608,1,0,15,136044,16,0,224,153852,0
Invariant property MIN0 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,2.38399,33608,1,0,15,136044,16,0,224,153852,0
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
MAX1,0,2.38543,33608,1,0,15,136044,16,0,224,153852,0
Invariant property MIN1 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,0,2.38685,33608,1,0,15,136044,16,0,224,153852,0
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
MAX2,0,2.3883,33608,1,0,15,136044,16,0,224,153852,0
Invariant property MIN2 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,0,2.38951,33608,1,0,15,136044,16,0,224,153852,0
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
MAX3,0,2.39343,33608,1,0,15,136044,16,0,224,153852,0
Invariant property MIN3 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN3,0,2.39701,33608,1,0,15,136044,16,0,224,153852,0
Reachability property MAX4 does not hold.
No reachable states exhibit your property : MAX4
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX4,0,2.40055,33608,1,0,15,136044,16,0,224,153852,0
Invariant property MIN4 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,0,2.40464,33608,1,0,15,136044,16,0,224,153852,0
Interrupted probabilistic random walk after 196438 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :0 out of 10
Probabilistic random walk after 196438 steps, saw 160452 distinct states, run finished after 3008 ms. (steps per millisecond=65 ) properties seen :0
FORMULA JoinFreeModules-PT-0050-UpperBounds-15 51 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-08 51 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-06 51 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-01 52 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-00 51 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 5 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 221598 ms.
BK_STOP 1779736361459
--------------------
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="JoinFreeModules-PT-0050"
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 JoinFreeModules-PT-0050, 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 r175-smll-177961111800023"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0050.tgz
mv JoinFreeModules-PT-0050 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;