Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876422700429.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is JoinFreeModules-PT-0020, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876422700429
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 61K May 29 14:32 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-0020-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-0020-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748840131467

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-02 04:55:32] [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]
[2025-06-02 04:55:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 04:55:33] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2025-06-02 04:55:33] [INFO ] Transformed 101 places.
[2025-06-02 04:55:33] [INFO ] Transformed 161 transitions.
[2025-06-02 04:55:33] [INFO ] Parsed PT model containing 101 places and 161 transitions and 462 arcs in 173 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[2, 2, 1, 0, 2, 2, 0, 0, 0, 0, 20, 1, 2, 1, 2, 0] 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:[2, 2, 1, 0, 2, 2, 0, 0, 0, 0, 20, 1, 2, 1, 2, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 161 rows 100 cols
[2025-06-02 04:55:33] [INFO ] Computed 20 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 1, 0, 2, 2, 0, 0, 0, 0, 20, 1, 2, 1, 2, 0] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
RANDOM walk for 10000 steps (2 resets) in 72 ms. (136 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 291 ms. (548 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19, 18, 21, 19, 21, 16, 19, 20, 18, 18, 20, 21, 18, 21, 18, 18] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
[2025-06-02 04:55:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:33] [INFO ] [Real]Absence check using 20 positive place invariants in 10 ms returned sat
[2025-06-02 04:55:33] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2025-06-02 04:55:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:33] [INFO ] [Nat]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:33] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-02 04:55:33] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-02 04:55:34] [INFO ] [Nat]Added 20 Read/Feed constraints in 113 ms returned sat
[2025-06-02 04:55:34] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 15 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:55:34] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 7 ms to minimize.
[2025-06-02 04:55:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2025-06-02 04:55:34] [INFO ] Added : 70 causal constraints over 17 iterations in 316 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:34] [INFO ] [Real]Absence check using 20 positive place invariants in 5 ms returned sat
[2025-06-02 04:55:34] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-02 04:55:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:34] [INFO ] [Nat]Absence check using 20 positive place invariants in 6 ms returned sat
[2025-06-02 04:55:34] [INFO ] [Nat]Absence check using state equation in 142 ms returned sat
[2025-06-02 04:55:34] [INFO ] [Nat]Added 20 Read/Feed constraints in 94 ms returned sat
[2025-06-02 04:55:34] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 04:55:34] [INFO ] Added : 52 causal constraints over 11 iterations in 157 ms. Result :sat
Minimization took 37 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:35] [INFO ] [Real]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:35] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-02 04:55:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:35] [INFO ] [Nat]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:35] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2025-06-02 04:55:35] [INFO ] [Nat]Added 20 Read/Feed constraints in 156 ms returned sat
[2025-06-02 04:55:35] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:55:35] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
[2025-06-02 04:55:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 147 ms
[2025-06-02 04:55:35] [INFO ] Added : 41 causal constraints over 10 iterations in 458 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:35] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:35] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-02 04:55:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:35] [INFO ] [Nat]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:35] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-02 04:55:36] [INFO ] [Nat]Added 20 Read/Feed constraints in 97 ms returned sat
[2025-06-02 04:55:36] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-02 04:55:36] [INFO ] Added : 69 causal constraints over 15 iterations in 163 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:36] [INFO ] [Real]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:36] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-02 04:55:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:36] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:36] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2025-06-02 04:55:36] [INFO ] [Nat]Added 20 Read/Feed constraints in 157 ms returned sat
[2025-06-02 04:55:36] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 04:55:36] [INFO ] Added : 98 causal constraints over 20 iterations in 209 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:36] [INFO ] [Real]Absence check using 20 positive place invariants in 8 ms returned sat
[2025-06-02 04:55:36] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-02 04:55:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:37] [INFO ] [Nat]Absence check using 20 positive place invariants in 6 ms returned sat
[2025-06-02 04:55:37] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-02 04:55:37] [INFO ] [Nat]Added 20 Read/Feed constraints in 66 ms returned sat
[2025-06-02 04:55:37] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 15 ms.
[2025-06-02 04:55:37] [INFO ] Added : 83 causal constraints over 17 iterations in 175 ms. Result :sat
Minimization took 46 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:37] [INFO ] [Real]Absence check using 20 positive place invariants in 5 ms returned sat
[2025-06-02 04:55:37] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-02 04:55:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:37] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:37] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2025-06-02 04:55:37] [INFO ] [Nat]Added 20 Read/Feed constraints in 321 ms returned sat
[2025-06-02 04:55:37] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-02 04:55:37] [INFO ] Added : 51 causal constraints over 11 iterations in 112 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:38] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:38] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-06-02 04:55:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:38] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:38] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-06-02 04:55:38] [INFO ] [Nat]Added 20 Read/Feed constraints in 156 ms returned sat
[2025-06-02 04:55:38] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:55:38] [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
[2025-06-02 04:55:38] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 2 ms to minimize.
[2025-06-02 04:55:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 80 ms
[2025-06-02 04:55:38] [INFO ] Added : 78 causal constraints over 16 iterations in 309 ms. Result :sat
Minimization took 59 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:38] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:38] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-02 04:55:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:38] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:38] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2025-06-02 04:55:38] [INFO ] [Nat]Added 20 Read/Feed constraints in 37 ms returned sat
[2025-06-02 04:55:38] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-02 04:55:39] [INFO ] Added : 57 causal constraints over 12 iterations in 170 ms. Result :sat
Minimization took 51 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:39] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:39] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-02 04:55:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:39] [INFO ] [Nat]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:39] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2025-06-02 04:55:39] [INFO ] [Nat]Added 20 Read/Feed constraints in 127 ms returned sat
[2025-06-02 04:55:39] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:55:39] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
[2025-06-02 04:55:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 43 ms
[2025-06-02 04:55:39] [INFO ] Added : 79 causal constraints over 17 iterations in 270 ms. Result :sat
Minimization took 60 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:39] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:39] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-02 04:55:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:39] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:39] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-06-02 04:55:40] [INFO ] [Nat]Added 20 Read/Feed constraints in 157 ms returned sat
[2025-06-02 04:55:40] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 04:55:40] [INFO ] Added : 51 causal constraints over 11 iterations in 182 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:40] [INFO ] [Real]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:40] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-02 04:55:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:40] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:40] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2025-06-02 04:55:40] [INFO ] [Nat]Added 20 Read/Feed constraints in 124 ms returned sat
[2025-06-02 04:55:40] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 04:55:40] [INFO ] Added : 71 causal constraints over 15 iterations in 185 ms. Result :sat
Minimization took 56 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:40] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:40] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-06-02 04:55:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:40] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:41] [INFO ] [Nat]Absence check using state equation in 277 ms returned sat
[2025-06-02 04:55:41] [INFO ] [Nat]Added 20 Read/Feed constraints in 18 ms returned sat
[2025-06-02 04:55:41] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-02 04:55:41] [INFO ] Added : 42 causal constraints over 10 iterations in 101 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:41] [INFO ] [Real]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:41] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2025-06-02 04:55:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:41] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:41] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-06-02 04:55:41] [INFO ] [Nat]Added 20 Read/Feed constraints in 96 ms returned sat
[2025-06-02 04:55:41] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 14 ms.
[2025-06-02 04:55:41] [INFO ] Added : 53 causal constraints over 13 iterations in 233 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:41] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:41] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2025-06-02 04:55:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:42] [INFO ] [Nat]Absence check using 20 positive place invariants in 3 ms returned sat
[2025-06-02 04:55:42] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2025-06-02 04:55:42] [INFO ] [Nat]Added 20 Read/Feed constraints in 112 ms returned sat
[2025-06-02 04:55:42] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 04:55:42] [INFO ] Added : 59 causal constraints over 12 iterations in 150 ms. Result :sat
Minimization took 44 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:42] [INFO ] [Real]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:42] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-02 04:55:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 04:55:42] [INFO ] [Nat]Absence check using 20 positive place invariants in 4 ms returned sat
[2025-06-02 04:55:42] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2025-06-02 04:55:42] [INFO ] [Nat]Added 20 Read/Feed constraints in 112 ms returned sat
[2025-06-02 04:55:42] [INFO ] Computed and/alt/rep : 120/300/120 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 04:55:42] [INFO ] Added : 76 causal constraints over 17 iterations in 203 ms. Result :sat
Minimization took 60 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19, 18, 21, 19, 21, 16, 19, 20, 18, 18, 20, 21, 18, 21, 18, 18] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22, 22, 21, 19, 22, 22, 21, 21, 21, 21, 20, 21, 22, 21, 22, 21] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
Support contains 16 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 161/161 transitions.
Graph (complete) has 240 edges and 100 vertex of which 65 are kept as prefixes of interest. Removing 35 places using SCC suffix rule.0 ms
Discarding 35 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 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 65 transition count 104
Applied a total of 2 rules in 21 ms. Remains 65 /100 variables (removed 35) and now considering 104/161 (removed 57) transitions.
Running 78 sub problems to find dead transitions.
// Phase 1: matrix 104 rows 65 cols
[2025-06-02 04:55:46] [INFO ] Computed 13 invariants in 4 ms
[2025-06-02 04:55:46] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 13/65 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 104/169 variables, 65/78 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 13/91 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (OVERLAPS) 0/169 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 169/169 variables, and 91 constraints, problems are : Problem set: 0 solved, 78 unsolved in 2054 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 65/65 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (OVERLAPS) 13/65 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 104/169 variables, 65/78 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 13/91 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 78/169 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (OVERLAPS) 0/169 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Int declared 169/169 variables, and 169 constraints, problems are : Problem set: 0 solved, 78 unsolved in 7405 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 65/65 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9497ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 9504ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9535 ms. Remains : 65/100 places, 104/161 transitions.
[2025-06-02 04:55:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[22, 22, 21, 19, 22, 22, 21, 21, 21, 21, 20, 21, 22, 21, 22, 21] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
RANDOM walk for 1000005 steps (2 resets) in 2239 ms. (446 steps per ms)
FORMULA JoinFreeModules-PT-0020-UpperBounds-03 23 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 15000015 steps (30 resets) in 15838 ms. (947 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22, 22, 21, 22, 22, 22, 22, 22, 22, 20, 21, 22, 21, 22, 22] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
[2025-06-02 04:56:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:14] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:14] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 04:56:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:14] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2025-06-02 04:56:14] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-02 04:56:14] [INFO ] [Nat]Added 13 Read/Feed constraints in 107 ms returned sat
[2025-06-02 04:56:14] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 04:56:14] [INFO ] Added : 37 causal constraints over 9 iterations in 90 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:14] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:14] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-02 04:56:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:14] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-02 04:56:14] [INFO ] [Nat]Added 13 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:14] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
[2025-06-02 04:56:14] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 29 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:14] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:14] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-02 04:56:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:14] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-02 04:56:14] [INFO ] [Nat]Added 13 Read/Feed constraints in 2 ms returned sat
[2025-06-02 04:56:14] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 04:56:14] [INFO ] Added : 71 causal constraints over 15 iterations in 103 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:15] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:15] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 04:56:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:15] [INFO ] [Nat]Absence check using state equation in 122 ms returned sat
[2025-06-02 04:56:15] [INFO ] [Nat]Added 13 Read/Feed constraints in 128 ms returned sat
[2025-06-02 04:56:15] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 04:56:15] [INFO ] Added : 32 causal constraints over 9 iterations in 123 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:15] [INFO ] [Real]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:15] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 04:56:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:15] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:15] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:15] [INFO ] [Nat]Added 13 Read/Feed constraints in 1 ms returned sat
[2025-06-02 04:56:15] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 04:56:16] [INFO ] Added : 50 causal constraints over 12 iterations in 386 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:16] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:16] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 04:56:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:16] [INFO ] [Nat]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:16] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-02 04:56:16] [INFO ] [Nat]Added 13 Read/Feed constraints in 320 ms returned sat
[2025-06-02 04:56:16] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:16] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:16] [INFO ] Deduced a trap composed of 3 places in 20 ms of which 2 ms to minimize.
[2025-06-02 04:56:16] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 78 ms
[2025-06-02 04:56:16] [INFO ] Added : 64 causal constraints over 14 iterations in 200 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:16] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:16] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-02 04:56:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:16] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:16] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Nat]Added 13 Read/Feed constraints in 211 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:17] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 2 ms to minimize.
[2025-06-02 04:56:17] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 37 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:17] [INFO ] [Real]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 04:56:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Nat]Added 13 Read/Feed constraints in 47 ms returned sat
[2025-06-02 04:56:17] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 04:56:17] [INFO ] Added : 68 causal constraints over 15 iterations in 116 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:17] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 04:56:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Nat]Added 13 Read/Feed constraints in 89 ms returned sat
[2025-06-02 04:56:17] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 04:56:17] [INFO ] Added : 52 causal constraints over 11 iterations in 79 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:17] [INFO ] [Real]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 04:56:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:17] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2025-06-02 04:56:18] [INFO ] [Nat]Added 13 Read/Feed constraints in 214 ms returned sat
[2025-06-02 04:56:18] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 04:56:18] [INFO ] Added : 42 causal constraints over 9 iterations in 65 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:18] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:18] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 04:56:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:18] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2025-06-02 04:56:18] [INFO ] [Nat]Added 13 Read/Feed constraints in 54 ms returned sat
[2025-06-02 04:56:18] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:18] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:18] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
[2025-06-02 04:56:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 67 ms
[2025-06-02 04:56:18] [INFO ] Added : 36 causal constraints over 9 iterations in 141 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:18] [INFO ] [Real]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:18] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-02 04:56:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2025-06-02 04:56:18] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2025-06-02 04:56:18] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2025-06-02 04:56:18] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:18] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
[2025-06-02 04:56:18] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 30 ms
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:19] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 04:56:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Nat]Added 13 Read/Feed constraints in 2 ms returned sat
[2025-06-02 04:56:19] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 04:56:19] [INFO ] Added : 49 causal constraints over 12 iterations in 242 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:19] [INFO ] [Real]Absence check using 13 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 04:56:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 4 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Nat]Added 13 Read/Feed constraints in 2 ms returned sat
[2025-06-02 04:56:19] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 04:56:19] [INFO ] Added : 71 causal constraints over 15 iterations in 109 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:19] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-02 04:56:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 04:56:19] [INFO ] [Nat]Added 13 Read/Feed constraints in 2 ms returned sat
[2025-06-02 04:56:19] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 04:56:19] [INFO ] Added : 68 causal constraints over 14 iterations in 108 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22, 22, 21, 22, 22, 22, 22, 22, 22, 20, 21, 22, 21, 22, 22] Max Struct:[23, 22, 23, 23, 23, 23, 22, 23, 23, 23, 23, 22, 23, 23, 23]
FORMULA JoinFreeModules-PT-0020-UpperBounds-12 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0020-UpperBounds-07 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0020-UpperBounds-01 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22, 21, 22, 22, 22, 22, 22, 20, 21, 21, 22, 22] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
Support contains 12 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 104/104 transitions.
Graph (complete) has 156 edges and 65 vertex of which 55 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 55 /65 variables (removed 10) and now considering 88/104 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 55/65 places, 88/104 transitions.
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 04:56:21] [INFO ] Computed 11 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[22, 21, 22, 22, 22, 22, 22, 20, 21, 21, 22, 22] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
RANDOM walk for 1000000 steps (2 resets) in 1925 ms. (519 steps per ms)
BEST_FIRST walk for 12000011 steps (24 resets) in 10790 ms. (1112 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22, 21, 22, 22, 22, 22, 22, 20, 21, 21, 22, 22] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23]
[2025-06-02 04:56:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:34] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 04:56:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 04:56:34] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 04:56:34] [INFO ] [Nat]Added 11 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:34] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
[2025-06-02 04:56:34] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 26 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:34] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 04:56:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Nat]Added 11 Read/Feed constraints in 94 ms returned sat
[2025-06-02 04:56:34] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 04:56:34] [INFO ] Added : 23 causal constraints over 6 iterations in 108 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:34] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 04:56:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Nat]Added 11 Read/Feed constraints in 120 ms returned sat
[2025-06-02 04:56:34] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 04:56:34] [INFO ] Added : 38 causal constraints over 8 iterations in 61 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:34] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:34] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:35] [INFO ] [Nat]Added 11 Read/Feed constraints in 95 ms returned sat
[2025-06-02 04:56:35] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:35] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 1 ms to minimize.
[2025-06-02 04:56:35] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 30 ms
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:35] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:35] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 04:56:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:35] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:35] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:35] [INFO ] [Nat]Added 11 Read/Feed constraints in 71 ms returned sat
[2025-06-02 04:56:35] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:35] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 1 ms to minimize.
[2025-06-02 04:56:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
[2025-06-02 04:56:35] [INFO ] Added : 37 causal constraints over 8 iterations in 244 ms. Result :sat
Minimization took 29 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:35] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:35] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:35] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:35] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:35] [INFO ] [Nat]Added 11 Read/Feed constraints in 178 ms returned sat
[2025-06-02 04:56:35] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 04:56:35] [INFO ] Added : 47 causal constraints over 10 iterations in 67 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:36] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:36] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:36] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:36] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-02 04:56:36] [INFO ] [Nat]Added 11 Read/Feed constraints in 385 ms returned sat
[2025-06-02 04:56:36] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:36] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 2 ms to minimize.
[2025-06-02 04:56:36] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 27 ms
Minimization took 12 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:36] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:36] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 04:56:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:36] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:36] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:36] [INFO ] [Nat]Added 11 Read/Feed constraints in 99 ms returned sat
[2025-06-02 04:56:36] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 04:56:36] [INFO ] Added : 27 causal constraints over 6 iterations in 44 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:36] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:36] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:36] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:37] [INFO ] [Nat]Absence check using state equation in 139 ms returned sat
[2025-06-02 04:56:37] [INFO ] [Nat]Added 11 Read/Feed constraints in 307 ms returned sat
[2025-06-02 04:56:37] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 04:56:37] [INFO ] Added : 33 causal constraints over 8 iterations in 51 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:37] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:37] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 04:56:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:37] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:37] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-02 04:56:37] [INFO ] [Nat]Added 11 Read/Feed constraints in 2 ms returned sat
[2025-06-02 04:56:37] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 04:56:37] [INFO ] Added : 35 causal constraints over 7 iterations in 127 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:37] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:37] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 04:56:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:37] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:37] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-02 04:56:37] [INFO ] [Nat]Added 11 Read/Feed constraints in 100 ms returned sat
[2025-06-02 04:56:37] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 04:56:38] [INFO ] Added : 27 causal constraints over 8 iterations in 84 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:38] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:38] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:38] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:38] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:38] [INFO ] [Nat]Added 11 Read/Feed constraints in 286 ms returned sat
[2025-06-02 04:56:38] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-02 04:56:38] [INFO ] Added : 42 causal constraints over 10 iterations in 101 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22, 21, 22, 22, 22, 22, 22, 20, 21, 21, 22, 22] Max Struct:[22, 23, 23, 22, 23, 23, 22, 23, 23, 23, 23, 23]
FORMULA JoinFreeModules-PT-0020-UpperBounds-09 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0020-UpperBounds-05 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0020-UpperBounds-00 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[21, 22, 22, 22, 20, 21, 21, 22, 22] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23]
Support contains 9 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 45 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 3 ms. Remains 45 /55 variables (removed 10) and now considering 72/88 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 45/55 places, 72/88 transitions.
// Phase 1: matrix 72 rows 45 cols
[2025-06-02 04:56:39] [INFO ] Computed 9 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[21, 22, 22, 22, 20, 21, 21, 22, 22] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23]
RANDOM walk for 1000002 steps (2 resets) in 1662 ms. (601 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6611 ms. (1361 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[21, 22, 22, 22, 20, 21, 21, 22, 22] Max Struct:[23, 23, 23, 23, 23, 23, 23, 23, 23]
[2025-06-02 04:56:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:47] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:47] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:47] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:47] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:47] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-02 04:56:47] [INFO ] [Nat]Added 9 Read/Feed constraints in 1 ms returned sat
[2025-06-02 04:56:47] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:47] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 1 ms to minimize.
[2025-06-02 04:56:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 341 ms
[2025-06-02 04:56:48] [INFO ] Added : 40 causal constraints over 11 iterations in 415 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:48] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:48] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 04:56:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:48] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:48] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 04:56:48] [INFO ] [Nat]Added 9 Read/Feed constraints in 1 ms returned sat
[2025-06-02 04:56:48] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 04:56:48] [INFO ] Added : 30 causal constraints over 9 iterations in 243 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:48] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:48] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 04:56:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:48] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:48] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-02 04:56:48] [INFO ] [Nat]Added 9 Read/Feed constraints in 57 ms returned sat
[2025-06-02 04:56:48] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:48] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
[2025-06-02 04:56:48] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 38 ms
Minimization took 15 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:48] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:48] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:48] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:48] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Nat]Added 9 Read/Feed constraints in 241 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:49] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 1 ms to minimize.
[2025-06-02 04:56:49] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 32 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:49] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:49] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Nat]Added 9 Read/Feed constraints in 196 ms returned sat
[2025-06-02 04:56:49] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 04:56:49] [INFO ] Added : 21 causal constraints over 5 iterations in 213 ms. Result :sat
Minimization took 15 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:49] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:49] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Nat]Added 9 Read/Feed constraints in 2 ms returned sat
[2025-06-02 04:56:49] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 04:56:49] [INFO ] Added : 37 causal constraints over 8 iterations in 41 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:49] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:49] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:49] [INFO ] [Nat]Added 9 Read/Feed constraints in 2 ms returned sat
[2025-06-02 04:56:50] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 04:56:50] [INFO ] Added : 39 causal constraints over 9 iterations in 46 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:50] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:50] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 04:56:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:50] [INFO ] [Nat]Absence check using 9 positive place invariants in 1 ms returned sat
[2025-06-02 04:56:50] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-02 04:56:50] [INFO ] [Nat]Added 9 Read/Feed constraints in 2 ms returned sat
[2025-06-02 04:56:50] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 04:56:50] [INFO ] Added : 46 causal constraints over 13 iterations in 350 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:50] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:50] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:50] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:50] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-02 04:56:50] [INFO ] [Nat]Added 9 Read/Feed constraints in 203 ms returned sat
[2025-06-02 04:56:50] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:50] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 1 ms to minimize.
[2025-06-02 04:56:50] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 25 ms
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[21, 22, 22, 22, 20, 21, 21, 22, 22] Max Struct:[23, 23, 22, 22, 23, 23, 23, 23, 22]
FORMULA JoinFreeModules-PT-0020-UpperBounds-15 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0020-UpperBounds-08 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0020-UpperBounds-06 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[21, 22, 20, 21, 21, 22] Max Struct:[23, 23, 23, 23, 23, 23]
Support contains 6 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 72/72 transitions.
Graph (complete) has 108 edges and 45 vertex of which 30 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 2 ms. Remains 30 /45 variables (removed 15) and now considering 48/72 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 30/45 places, 48/72 transitions.
// Phase 1: matrix 48 rows 30 cols
[2025-06-02 04:56:51] [INFO ] Computed 6 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[21, 22, 20, 21, 21, 22] Max Struct:[23, 23, 23, 23, 23, 23]
RANDOM walk for 1000003 steps (2 resets) in 1347 ms. (741 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3297 ms. (1819 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[21, 22, 20, 21, 21, 22] Max Struct:[23, 23, 23, 23, 23, 23]
[2025-06-02 04:56:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:55] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:55] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-02 04:56:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:55] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:55] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-02 04:56:55] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-02 04:56:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 28 ms returned sat
[2025-06-02 04:56:56] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 04:56:56] [INFO ] Added : 23 causal constraints over 5 iterations in 46 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 04:56:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:56] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 1 ms to minimize.
[2025-06-02 04:56:56] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 29 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-02 04:56:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2025-06-02 04:56:56] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 04:56:56] [INFO ] Added : 23 causal constraints over 5 iterations in 46 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using 6 positive place invariants in 1 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-02 04:56:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2025-06-02 04:56:56] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 3 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:56] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 2 ms to minimize.
[2025-06-02 04:56:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2025-06-02 04:56:56] [INFO ] Added : 27 causal constraints over 6 iterations in 62 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-02 04:56:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2025-06-02 04:56:56] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 04:56:56] [INFO ] Added : 22 causal constraints over 5 iterations in 22 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-02 04:56:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-02 04:56:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:56] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 1 ms to minimize.
[2025-06-02 04:56:56] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 32 ms
Current structural bounds on expressions (after SMT) : Max Seen:[21, 22, 20, 21, 21, 22] Max Struct:[23, 22, 23, 23, 23, 22]
FORMULA JoinFreeModules-PT-0020-UpperBounds-14 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0020-UpperBounds-04 22 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[21, 20, 21, 21] Max Struct:[23, 23, 23, 23]
Support contains 4 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 20 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 1 ms. Remains 20 /30 variables (removed 10) and now considering 32/48 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/30 places, 32/48 transitions.
// Phase 1: matrix 32 rows 20 cols
[2025-06-02 04:56:56] [INFO ] Computed 4 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[21, 20, 21, 21] Max Struct:[23, 23, 23, 23]
RANDOM walk for 1000000 steps (2 resets) in 1127 ms. (886 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 1734 ms. (2305 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[21, 20, 21, 21] Max Struct:[23, 23, 23, 23]
[2025-06-02 04:56:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:59] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:59] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-02 04:56:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:59] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-02 04:56:59] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-02 04:56:59] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-02 04:56:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2025-06-02 04:56:59] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:56:59] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
[2025-06-02 04:56:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 29 ms
[2025-06-02 04:56:59] [INFO ] Added : 22 causal constraints over 7 iterations in 78 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:59] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:59] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-02 04:56:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:56:59] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-02 04:56:59] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-02 04:56:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 7 ms returned sat
[2025-06-02 04:56:59] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 04:56:59] [INFO ] Added : 20 causal constraints over 4 iterations in 16 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:57:00] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-02 04:57:00] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-02 04:57:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:57:00] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-02 04:57:00] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-02 04:57:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 15 ms returned sat
[2025-06-02 04:57:00] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-02 04:57:00] [INFO ] Added : 15 causal constraints over 5 iterations in 19 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:57:00] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-02 04:57:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-02 04:57:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 04:57:00] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2025-06-02 04:57:00] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-02 04:57:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2025-06-02 04:57:00] [INFO ] Computed and/alt/rep : 24/60/24 causal constraints (skipped 0 transitions) in 2 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 04:57:00] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 2 ms to minimize.
[2025-06-02 04:57:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
[2025-06-02 04:57:00] [INFO ] Added : 21 causal constraints over 6 iterations in 76 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[21, 20, 21, 21] Max Struct:[23, 23, 23, 23]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[21, 20, 21, 21] Max Struct:[23, 23, 23, 23]
Support contains 4 out of 20 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 20/20 places, 32/32 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 20/20 places, 32/32 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2025-06-02 04:57:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 04:57:00] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-02 04:57:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 04:57:00] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-06-02 04:57:00] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 04:57:00] [INFO ] Redundant transitions in 1 ms returned []
Running 24 sub problems to find dead transitions.
[2025-06-02 04:57:00] [INFO ] Invariant cache hit.
[2025-06-02 04:57:00] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 4/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 32/52 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 28 constraints, problems are : Problem set: 0 solved, 24 unsolved in 293 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 4/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 32/52 variables, 20/24 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 24/52 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 52 constraints, problems are : Problem set: 0 solved, 24 unsolved in 396 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 695ms problems are : Problem set: 0 solved, 24 unsolved
Search for dead transitions found 0 dead transitions in 695ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 759 ms. Remains : 20/20 places, 32/32 transitions.
RANDOM walk for 40012 steps (8 resets) in 606 ms. (65 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 8/8 properties
[2025-06-02 04:57:01] [INFO ] Flatten gal took : 42 ms
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 8/8 properties
[2025-06-02 04:57:01] [INFO ] Flatten gal took : 13 ms
BEST_FIRST walk for 40004 steps (8 resets) in 64 ms. (615 steps per ms) remains 8/8 properties
[2025-06-02 04:57:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13218752792286451936.gal : 7 ms
[2025-06-02 04:57:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13472329868641579648.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13218752792286451936.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13472329868641579648.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 8/8 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40003 steps (8 resets) in 74 ms. (533 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality13472329868641579648.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :76 after 182
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :182 after 2071
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :2071 after 8133
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :8133 after 12357
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :12357 after 1.68314e+08
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :1.68314e+08 after 4.48365e+15
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,8.37177e+16,0.191885,8796,2,633,14,26130,14,0,179,27981,0
Total reachable state count : 83717693468010000

Verifying 8 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.193267,8924,1,0,14,26130,14,0,180,27981,0
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
MIN0,0,0.193938,9052,1,0,14,26130,14,0,180,27981,0
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
MAX1,0,0.194098,9052,1,0,14,26130,14,0,180,27981,0
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
MIN1,0,0.194365,9052,1,0,14,26130,14,0,180,27981,0
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
MAX2,0,0.194618,9052,1,0,14,26130,14,0,180,27981,0
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
MIN2,0,0.19487,9052,1,0,14,26130,14,0,180,27981,0
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
MAX3,0,0.195207,9052,1,0,14,26130,14,0,180,27981,0
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
MIN3,0,0.195553,9052,1,0,14,26130,14,0,180,27981,0
Interrupted probabilistic random walk after 504413 steps, run timeout after 3001 ms. (steps per millisecond=168 ) properties seen :0 out of 8
Probabilistic random walk after 504413 steps, saw 404074 distinct states, run finished after 3005 ms. (steps per millisecond=167 ) properties seen :0
FORMULA JoinFreeModules-PT-0020-UpperBounds-13 21 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0020-UpperBounds-11 21 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0020-UpperBounds-10 20 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0020-UpperBounds-02 21 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 4 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 91742 ms.

BK_STOP 1748840224636

--------------------
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-0020"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is JoinFreeModules-PT-0020, 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 r114-tall-174876422700429"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0020.tgz
mv JoinFreeModules-PT-0020 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;