Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876422700437.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-0050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876422700437
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 604K
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K 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 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K 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 152K 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-0050-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-0050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748840749602

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-0050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-02 05:05:51] [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 05:05:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 05:05:51] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2025-06-02 05:05:51] [INFO ] Transformed 251 places.
[2025-06-02 05:05:51] [INFO ] Transformed 401 transitions.
[2025-06-02 05:05:51] [INFO ] Parsed PT model containing 251 places and 401 transitions and 1152 arcs in 219 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, 1, 0, 1, 0, 0, 50, 50, 0, 50, 0, 1, 50, 2, 0, 50] 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, 1, 0, 1, 0, 0, 50, 50, 0, 50, 0, 1, 50, 2, 0, 50] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 401 rows 250 cols
[2025-06-02 05:05:51] [INFO ] Computed 50 invariants in 21 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1, 0, 1, 0, 0, 50, 50, 0, 50, 0, 1, 50, 2, 0, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 10011 steps (2 resets) in 76 ms. (130 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 518 ms. (308 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[26, 39, 49, 51, 49, 49, 50, 50, 25, 50, 49, 34, 50, 33, 49, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2025-06-02 05:05:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:05:52] [INFO ] [Real]Absence check using 50 positive place invariants in 21 ms returned sat
[2025-06-02 05:05:52] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2025-06-02 05:05:52] [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 05:05:52] [INFO ] [Nat]Absence check using 50 positive place invariants in 30 ms returned sat
[2025-06-02 05:05:52] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2025-06-02 05:05:52] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-02 05:05:52] [INFO ] [Nat]Added 50 Read/Feed constraints in 53 ms returned sat
[2025-06-02 05:05:52] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 30 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:05:53] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:05:53] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
[2025-06-02 05:05:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 154 ms
[2025-06-02 05:05:53] [INFO ] Added : 64 causal constraints over 13 iterations in 597 ms. Result :sat
Minimization took 111 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:05:53] [INFO ] [Real]Absence check using 50 positive place invariants in 10 ms returned sat
[2025-06-02 05:05:53] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2025-06-02 05:05:53] [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 05:05:53] [INFO ] [Nat]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:05:53] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-02 05:05:53] [INFO ] [Nat]Added 50 Read/Feed constraints in 47 ms returned sat
[2025-06-02 05:05:53] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 28 ms.
[2025-06-02 05:05:54] [INFO ] Added : 84 causal constraints over 17 iterations in 477 ms. Result :sat
Minimization took 67 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:05:54] [INFO ] [Real]Absence check using 50 positive place invariants in 12 ms returned sat
[2025-06-02 05:05:54] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-02 05:05:54] [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 05:05:54] [INFO ] [Nat]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:05:54] [INFO ] [Nat]Absence check using state equation in 122 ms returned sat
[2025-06-02 05:05:54] [INFO ] [Nat]Added 50 Read/Feed constraints in 7 ms returned sat
[2025-06-02 05:05:54] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 33 ms.
[2025-06-02 05:05:55] [INFO ] Added : 119 causal constraints over 24 iterations in 770 ms. Result :sat
Minimization took 109 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:05:55] [INFO ] [Real]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:05:56] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2025-06-02 05:05:56] [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 05:05:56] [INFO ] [Nat]Absence check using 50 positive place invariants in 10 ms returned sat
[2025-06-02 05:05:56] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2025-06-02 05:05:56] [INFO ] [Nat]Added 50 Read/Feed constraints in 50 ms returned sat
[2025-06-02 05:05:56] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 26 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:05:56] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
[2025-06-02 05:05:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2025-06-02 05:05:56] [INFO ] Added : 108 causal constraints over 22 iterations in 657 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:05:57] [INFO ] [Real]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:05:57] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2025-06-02 05:05:57] [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 05:05:57] [INFO ] [Nat]Absence check using 50 positive place invariants in 13 ms returned sat
[2025-06-02 05:05:57] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2025-06-02 05:05:57] [INFO ] [Nat]Added 50 Read/Feed constraints in 50 ms returned sat
[2025-06-02 05:05:57] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 30 ms.
[2025-06-02 05:05:58] [INFO ] Added : 93 causal constraints over 21 iterations in 595 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:05:58] [INFO ] [Real]Absence check using 50 positive place invariants in 10 ms returned sat
[2025-06-02 05:05:58] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2025-06-02 05:05:58] [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 05:05:58] [INFO ] [Nat]Absence check using 50 positive place invariants in 10 ms returned sat
[2025-06-02 05:05:58] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-02 05:05:58] [INFO ] [Nat]Added 50 Read/Feed constraints in 51 ms returned sat
[2025-06-02 05:05:58] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 15 ms.
[2025-06-02 05:05:58] [INFO ] Added : 76 causal constraints over 16 iterations in 391 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:05:59] [INFO ] [Real]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:05:59] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2025-06-02 05:05:59] [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 05:05:59] [INFO ] [Nat]Absence check using 50 positive place invariants in 8 ms returned sat
[2025-06-02 05:05:59] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2025-06-02 05:05:59] [INFO ] [Nat]Added 50 Read/Feed constraints in 50 ms returned sat
[2025-06-02 05:05:59] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 25 ms.
[2025-06-02 05:05:59] [INFO ] Added : 100 causal constraints over 21 iterations in 543 ms. Result :sat
Minimization took 69 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:00] [INFO ] [Real]Absence check using 50 positive place invariants in 11 ms returned sat
[2025-06-02 05:06:00] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-02 05:06:00] [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 05:06:00] [INFO ] [Nat]Absence check using 50 positive place invariants in 10 ms returned sat
[2025-06-02 05:06:00] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-02 05:06:00] [INFO ] [Nat]Added 50 Read/Feed constraints in 56 ms returned sat
[2025-06-02 05:06:00] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 26 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:01] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:01] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
[2025-06-02 05:06:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 120 ms
[2025-06-02 05:06:01] [INFO ] Added : 101 causal constraints over 23 iterations in 718 ms. Result :sat
Minimization took 67 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:01] [INFO ] [Real]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:01] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2025-06-02 05:06:01] [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 05:06:01] [INFO ] [Nat]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:01] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2025-06-02 05:06:01] [INFO ] [Nat]Added 50 Read/Feed constraints in 10 ms returned sat
[2025-06-02 05:06:01] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:02] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
[2025-06-02 05:06:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2025-06-02 05:06:02] [INFO ] Added : 98 causal constraints over 22 iterations in 703 ms. Result :sat
Minimization took 146 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:02] [INFO ] [Real]Absence check using 50 positive place invariants in 11 ms returned sat
[2025-06-02 05:06:02] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2025-06-02 05:06:02] [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 05:06:02] [INFO ] [Nat]Absence check using 50 positive place invariants in 8 ms returned sat
[2025-06-02 05:06:02] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-02 05:06:02] [INFO ] [Nat]Added 50 Read/Feed constraints in 55 ms returned sat
[2025-06-02 05:06:02] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 28 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:03] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:03] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 4 ms to minimize.
[2025-06-02 05:06:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 130 ms
[2025-06-02 05:06:03] [INFO ] Added : 117 causal constraints over 24 iterations in 788 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:03] [INFO ] [Real]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:03] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2025-06-02 05:06:03] [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 05:06:04] [INFO ] [Nat]Absence check using 50 positive place invariants in 10 ms returned sat
[2025-06-02 05:06:04] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2025-06-02 05:06:04] [INFO ] [Nat]Added 50 Read/Feed constraints in 44 ms returned sat
[2025-06-02 05:06:04] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 40 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:04] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:04] [INFO ] Deduced a trap composed of 3 places in 43 ms of which 2 ms to minimize.
[2025-06-02 05:06:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 154 ms
[2025-06-02 05:06:04] [INFO ] Added : 80 causal constraints over 18 iterations in 658 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:05] [INFO ] [Real]Absence check using 50 positive place invariants in 8 ms returned sat
[2025-06-02 05:06:05] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2025-06-02 05:06:05] [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 05:06:05] [INFO ] [Nat]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:05] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2025-06-02 05:06:05] [INFO ] [Nat]Added 50 Read/Feed constraints in 50 ms returned sat
[2025-06-02 05:06:05] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 23 ms.
[2025-06-02 05:06:05] [INFO ] Added : 96 causal constraints over 22 iterations in 530 ms. Result :sat
Minimization took 126 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:06] [INFO ] [Real]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:06] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-02 05:06:06] [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 05:06:06] [INFO ] [Nat]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:06] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-06-02 05:06:06] [INFO ] [Nat]Added 50 Read/Feed constraints in 48 ms returned sat
[2025-06-02 05:06:06] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 27 ms.
[2025-06-02 05:06:06] [INFO ] Added : 77 causal constraints over 16 iterations in 424 ms. Result :sat
Minimization took 62 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:07] [INFO ] [Real]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:07] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-06-02 05:06:07] [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 05:06:07] [INFO ] [Nat]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:07] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2025-06-02 05:06:07] [INFO ] [Nat]Added 50 Read/Feed constraints in 43 ms returned sat
[2025-06-02 05:06:07] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:07] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
[2025-06-02 05:06:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2025-06-02 05:06:07] [INFO ] Added : 80 causal constraints over 17 iterations in 540 ms. Result :sat
Minimization took 99 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:08] [INFO ] [Real]Absence check using 50 positive place invariants in 10 ms returned sat
[2025-06-02 05:06:08] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2025-06-02 05:06:08] [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 05:06:08] [INFO ] [Nat]Absence check using 50 positive place invariants in 10 ms returned sat
[2025-06-02 05:06:08] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2025-06-02 05:06:08] [INFO ] [Nat]Added 50 Read/Feed constraints in 63 ms returned sat
[2025-06-02 05:06:08] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 29 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:09] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:09] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:06:09] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
[2025-06-02 05:06:09] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 182 ms
[2025-06-02 05:06:09] [INFO ] Added : 120 causal constraints over 26 iterations in 852 ms. Result :sat
Minimization took 83 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:06:09] [INFO ] [Real]Absence check using 50 positive place invariants in 9 ms returned sat
[2025-06-02 05:06:09] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-02 05:06:09] [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 05:06:09] [INFO ] [Nat]Absence check using 50 positive place invariants in 16 ms returned sat
[2025-06-02 05:06:09] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2025-06-02 05:06:09] [INFO ] [Nat]Added 50 Read/Feed constraints in 59 ms returned sat
[2025-06-02 05:06:10] [INFO ] Computed and/alt/rep : 300/750/300 causal constraints (skipped 0 transitions) in 15 ms.
[2025-06-02 05:06:10] [INFO ] Added : 85 causal constraints over 18 iterations in 464 ms. Result :sat
Minimization took 64 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[26, 39, 49, 51, 49, 49, 50, 50, 25, 50, 49, 34, 50, 33, 49, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-02 53 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[52, 51, 51, 49, 49, 50, 50, 51, 50, 49, 51, 50, 52, 49, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 15 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 401/401 transitions.
Graph (complete) has 600 edges and 250 vertex of which 60 are kept as prefixes of interest. Removing 190 places using SCC suffix rule.2 ms
Discarding 190 places :
Also discarding 304 output transitions
Drop transitions (Output transitions of discarded places.) removed 304 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 60 transition count 96
Applied a total of 2 rules in 35 ms. Remains 60 /250 variables (removed 190) and now considering 96/401 (removed 305) transitions.
Running 72 sub problems to find dead transitions.
// Phase 1: matrix 96 rows 60 cols
[2025-06-02 05:06:37] [INFO ] Computed 12 invariants in 1 ms
[2025-06-02 05:06:37] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 12/60 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 96/156 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 12/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (OVERLAPS) 0/156 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 156/156 variables, and 84 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1964 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 60/60 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 12/60 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 96/156 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 12/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 72/156 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/156 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 156/156 variables, and 156 constraints, problems are : Problem set: 0 solved, 72 unsolved in 5258 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 60/60 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7282ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 7300ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7346 ms. Remains : 60/250 places, 96/401 transitions.
[2025-06-02 05:06:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[52, 51, 51, 49, 49, 50, 50, 51, 50, 49, 51, 50, 52, 49, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000009 steps (2 resets) in 1453 ms. (687 steps per ms)
FORMULA JoinFreeModules-PT-0050-UpperBounds-14 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-04 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 13000012 steps (26 resets) in 12340 ms. (1053 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[52, 51, 51, 52, 50, 50, 51, 50, 52, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2025-06-02 05:06:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:06:58] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:06:58] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 05:06:58] [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 05:06:58] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:06:58] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2025-06-02 05:06:58] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-02 05:06:58] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2025-06-02 05:06:58] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 05:06:58] [INFO ] Added : 36 causal constraints over 8 iterations in 59 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:06:59] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:06:59] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 05:06:59] [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 05:06:59] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:06:59] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-02 05:06:59] [INFO ] [Nat]Added 12 Read/Feed constraints in 148 ms returned sat
[2025-06-02 05:06:59] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 05:06:59] [INFO ] Added : 46 causal constraints over 10 iterations in 68 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:06:59] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:06:59] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-02 05:06:59] [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 05:06:59] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:06:59] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-02 05:06:59] [INFO ] [Nat]Added 12 Read/Feed constraints in 148 ms returned sat
[2025-06-02 05:06:59] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 05:06:59] [INFO ] Added : 52 causal constraints over 12 iterations in 104 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:06:59] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:06:59] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-02 05:06:59] [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 05:06:59] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:06:59] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:00] [INFO ] [Nat]Added 12 Read/Feed constraints in 77 ms returned sat
[2025-06-02 05:07:00] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 05:07:00] [INFO ] Added : 48 causal constraints over 10 iterations in 69 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:00] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:00] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 05:07:00] [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 05:07:00] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:00] [INFO ] [Nat]Absence check using state equation in 184 ms returned sat
[2025-06-02 05:07:00] [INFO ] [Nat]Added 12 Read/Feed constraints in 218 ms returned sat
[2025-06-02 05:07:00] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:00] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:00] [INFO ] Deduced a trap composed of 3 places in 16 ms of which 1 ms to minimize.
[2025-06-02 05:07:00] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 74 ms
[2025-06-02 05:07:00] [INFO ] Added : 34 causal constraints over 7 iterations in 242 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:00] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:00] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:00] [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 05:07:01] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:01] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-02 05:07:01] [INFO ] [Nat]Added 12 Read/Feed constraints in 151 ms returned sat
[2025-06-02 05:07:01] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 05:07:01] [INFO ] Added : 49 causal constraints over 11 iterations in 89 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:01] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:01] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:01] [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 05:07:01] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:01] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:01] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2025-06-02 05:07:01] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 05:07:01] [INFO ] Added : 44 causal constraints over 9 iterations in 60 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:01] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:01] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 05:07:01] [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 05:07:01] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:01] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-02 05:07:01] [INFO ] [Nat]Added 12 Read/Feed constraints in 249 ms returned sat
[2025-06-02 05:07:01] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 05:07:02] [INFO ] Added : 46 causal constraints over 10 iterations in 335 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:02] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:02] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:02] [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 05:07:02] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:02] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2025-06-02 05:07:02] [INFO ] [Nat]Added 12 Read/Feed constraints in 172 ms returned sat
[2025-06-02 05:07:02] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 05:07:02] [INFO ] Added : 37 causal constraints over 10 iterations in 71 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:02] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:02] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 05:07:02] [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 05:07:02] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:02] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-02 05:07:02] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2025-06-02 05:07:02] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 05:07:02] [INFO ] Added : 43 causal constraints over 10 iterations in 124 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:02] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:02] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 05:07:02] [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 05:07:03] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:03] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2025-06-02 05:07:03] [INFO ] [Nat]Added 12 Read/Feed constraints in 79 ms returned sat
[2025-06-02 05:07:03] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 05:07:03] [INFO ] Added : 41 causal constraints over 9 iterations in 60 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:03] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:03] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 05:07:03] [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 05:07:03] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:03] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:03] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2025-06-02 05:07:03] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 05:07:03] [INFO ] Added : 21 causal constraints over 5 iterations in 76 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:03] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:03] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:03] [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 05:07:03] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:03] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-02 05:07:03] [INFO ] [Nat]Added 12 Read/Feed constraints in 149 ms returned sat
[2025-06-02 05:07:03] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-02 05:07:03] [INFO ] Added : 36 causal constraints over 9 iterations in 70 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[52, 51, 51, 52, 50, 50, 51, 50, 52, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[52, 51, 51, 52, 50, 50, 51, 50, 52, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 13 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 96/96 transitions.
Graph (complete) has 144 edges and 60 vertex of which 55 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 3 ms. Remains 55 /60 variables (removed 5) and now considering 88/96 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 55/60 places, 88/96 transitions.
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 05:07:06] [INFO ] Computed 11 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[52, 51, 51, 52, 50, 50, 51, 50, 52, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000008 steps (2 resets) in 1276 ms. (783 steps per ms)
FORMULA JoinFreeModules-PT-0050-UpperBounds-10 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA JoinFreeModules-PT-0050-UpperBounds-05 53 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 11000010 steps (22 resets) in 9553 ms. (1151 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[52, 51, 51, 50, 50, 51, 50, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2025-06-02 05:07:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:17] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2025-06-02 05:07:17] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:17] [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 05:07:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:17] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:17] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 05:07:17] [INFO ] [Nat]Added 11 Read/Feed constraints in 51 ms returned sat
[2025-06-02 05:07:17] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:17] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 2 ms to minimize.
[2025-06-02 05:07:17] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 45 ms
Minimization took 15 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:17] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:17] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-02 05:07:17] [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 05:07:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 12 ms returned sat
[2025-06-02 05:07:17] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-02 05:07:17] [INFO ] [Nat]Added 11 Read/Feed constraints in 27 ms returned sat
[2025-06-02 05:07:17] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 05:07:17] [INFO ] Added : 40 causal constraints over 9 iterations in 57 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:17] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:17] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 05:07:17] [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 05:07:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:17] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-06-02 05:07:18] [INFO ] [Nat]Added 11 Read/Feed constraints in 196 ms returned sat
[2025-06-02 05:07:18] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 05:07:18] [INFO ] Added : 31 causal constraints over 8 iterations in 111 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:18] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:18] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 05:07:18] [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 05:07:18] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:18] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-02 05:07:18] [INFO ] [Nat]Added 11 Read/Feed constraints in 104 ms returned sat
[2025-06-02 05:07:18] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 05:07:18] [INFO ] Added : 25 causal constraints over 6 iterations in 44 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:18] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:18] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:18] [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 05:07:18] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:18] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2025-06-02 05:07:18] [INFO ] [Nat]Added 11 Read/Feed constraints in 410 ms returned sat
[2025-06-02 05:07:18] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 05:07:19] [INFO ] Added : 27 causal constraints over 6 iterations in 85 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:19] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:19] [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 05:07:19] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Nat]Added 11 Read/Feed constraints in 1 ms returned sat
[2025-06-02 05:07:19] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:19] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
[2025-06-02 05:07:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
[2025-06-02 05:07:19] [INFO ] Added : 28 causal constraints over 7 iterations in 87 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:19] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:19] [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 05:07:19] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Nat]Added 11 Read/Feed constraints in 109 ms returned sat
[2025-06-02 05:07:19] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 05:07:19] [INFO ] Added : 39 causal constraints over 9 iterations in 215 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:19] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:19] [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 05:07:19] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2025-06-02 05:07:19] [INFO ] [Nat]Added 11 Read/Feed constraints in 2 ms returned sat
[2025-06-02 05:07:19] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 05:07:19] [INFO ] Added : 38 causal constraints over 8 iterations in 53 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:20] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:20] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:20] [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 05:07:20] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:20] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-02 05:07:20] [INFO ] [Nat]Added 11 Read/Feed constraints in 105 ms returned sat
[2025-06-02 05:07:20] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 05:07:20] [INFO ] Added : 34 causal constraints over 7 iterations in 224 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:20] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:20] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:20] [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 05:07:20] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:20] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:20] [INFO ] [Nat]Added 11 Read/Feed constraints in 107 ms returned sat
[2025-06-02 05:07:20] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 05:07:20] [INFO ] Added : 49 causal constraints over 11 iterations in 102 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:20] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:20] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:20] [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 05:07:20] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:20] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 05:07:21] [INFO ] [Nat]Added 11 Read/Feed constraints in 123 ms returned sat
[2025-06-02 05:07:21] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 05:07:21] [INFO ] Added : 27 causal constraints over 6 iterations in 42 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[52, 51, 51, 50, 50, 51, 50, 51, 50, 52, 50] Max Struct:[52, 53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
FORMULA JoinFreeModules-PT-0050-UpperBounds-00 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 50, 50, 51, 50, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 10 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.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 2 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 2 ms. Remains : 45/55 places, 72/88 transitions.
// Phase 1: matrix 72 rows 45 cols
[2025-06-02 05:07:22] [INFO ] Computed 9 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[51, 51, 50, 50, 51, 50, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
RANDOM walk for 1000000 steps (2 resets) in 1115 ms. (896 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 7036 ms. (1421 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[51, 51, 50, 50, 51, 50, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
[2025-06-02 05:07:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:30] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:30] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 05:07:30] [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 05:07:30] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:30] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-02 05:07:30] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-02 05:07:30] [INFO ] [Nat]Added 9 Read/Feed constraints in 1 ms returned sat
[2025-06-02 05:07:30] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 05:07:31] [INFO ] Added : 37 causal constraints over 8 iterations in 623 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:31] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:31] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 05:07:31] [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 05:07:31] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:31] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2025-06-02 05:07:31] [INFO ] [Nat]Added 9 Read/Feed constraints in 2 ms returned sat
[2025-06-02 05:07:31] [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 05:07:31] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 1 ms to minimize.
[2025-06-02 05:07:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2025-06-02 05:07:31] [INFO ] Added : 32 causal constraints over 7 iterations in 84 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:31] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:31] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 05:07:31] [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 05:07:31] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:31] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-02 05:07:31] [INFO ] [Nat]Added 9 Read/Feed constraints in 52 ms returned sat
[2025-06-02 05:07:31] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 05:07:31] [INFO ] Added : 28 causal constraints over 8 iterations in 48 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:32] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:32] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 05:07:32] [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 05:07:32] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:32] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-02 05:07:32] [INFO ] [Nat]Added 9 Read/Feed constraints in 274 ms returned sat
[2025-06-02 05:07:32] [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 05:07:32] [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 05:07:32] [INFO ] Deduced a trap composed of 3 places in 19 ms of which 1 ms to minimize.
[2025-06-02 05:07:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 158 ms
[2025-06-02 05:07:32] [INFO ] Added : 32 causal constraints over 10 iterations in 224 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:32] [INFO ] [Real]Absence check using 9 positive place invariants in 9 ms returned sat
[2025-06-02 05:07:32] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 05:07:32] [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 05:07:32] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:32] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-02 05:07:32] [INFO ] [Nat]Added 9 Read/Feed constraints in 160 ms returned sat
[2025-06-02 05:07:32] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 05:07:32] [INFO ] Added : 47 causal constraints over 11 iterations in 62 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:33] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:33] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 05:07:33] [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 05:07:33] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:33] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-02 05:07:33] [INFO ] [Nat]Added 9 Read/Feed constraints in 296 ms returned sat
[2025-06-02 05:07:33] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 05:07:33] [INFO ] Added : 37 causal constraints over 8 iterations in 149 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:33] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:33] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 05:07:33] [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 05:07:33] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:33] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-02 05:07:33] [INFO ] [Nat]Added 9 Read/Feed constraints in 2 ms returned sat
[2025-06-02 05:07:33] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 3 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:33] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 1 ms to minimize.
[2025-06-02 05:07:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 341 ms
[2025-06-02 05:07:34] [INFO ] Added : 40 causal constraints over 11 iterations in 408 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:34] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2025-06-02 05:07:34] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 05:07:34] [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 05:07:34] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:34] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-02 05:07:34] [INFO ] [Nat]Added 9 Read/Feed constraints in 315 ms returned sat
[2025-06-02 05:07:34] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 05:07:40] [INFO ] Added : 30 causal constraints over 6 iterations in 6180 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:40] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:40] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 05:07:40] [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 05:07:40] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:40] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-02 05:07:40] [INFO ] [Nat]Added 9 Read/Feed constraints in 2 ms returned sat
[2025-06-02 05:07:40] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 05:07:40] [INFO ] Added : 35 causal constraints over 9 iterations in 47 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:40] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:40] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 05:07:40] [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 05:07:40] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:41] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-02 05:07:41] [INFO ] [Nat]Added 9 Read/Feed constraints in 172 ms returned sat
[2025-06-02 05:07:41] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 05:07:41] [INFO ] Added : 42 causal constraints over 11 iterations in 810 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[51, 51, 50, 50, 51, 50, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51, 51, 50, 50, 51, 50, 51, 50, 52, 50] Max Struct:[53, 53, 53, 53, 53, 53, 53, 53, 53, 53]
Support contains 10 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 72/72 transitions.
Applied a total of 0 rules in 6 ms. Remains 45 /45 variables (removed 0) and now considering 72/72 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 45/45 places, 72/72 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 72/72 transitions.
Applied a total of 0 rules in 5 ms. Remains 45 /45 variables (removed 0) and now considering 72/72 (removed 0) transitions.
[2025-06-02 05:07:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 05:07:43] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-02 05:07:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 05:07:43] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-02 05:07:43] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 05:07:43] [INFO ] Redundant transitions in 1 ms returned []
Running 54 sub problems to find dead transitions.
[2025-06-02 05:07:43] [INFO ] Invariant cache hit.
[2025-06-02 05:07:43] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 9/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 72/117 variables, 45/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 9/63 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 117/117 variables, and 63 constraints, problems are : Problem set: 0 solved, 54 unsolved in 1109 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 9/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 72/117 variables, 45/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 9/63 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 54/117 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (OVERLAPS) 0/117 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 117/117 variables, and 117 constraints, problems are : Problem set: 0 solved, 54 unsolved in 3210 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4345ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 4346ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4441 ms. Remains : 45/45 places, 72/72 transitions.
RANDOM walk for 40008 steps (8 resets) in 571 ms. (69 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4000 steps (8 resets) in 8 ms. (444 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4000 steps (8 resets) in 10 ms. (363 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 20/20 properties
[2025-06-02 05:07:48] [INFO ] Flatten gal took : 85 ms
[2025-06-02 05:07:48] [INFO ] Flatten gal took : 19 ms
[2025-06-02 05:07:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4073599471031614192.gal : 13 ms
[2025-06-02 05:07:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12910099703367534716.prop : 3 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/ReachabilityCardinality4073599471031614192.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12910099703367534716.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12910099703367534716.prop.
SDD proceeding with computation,20 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,20 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,20 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,20 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,20 properties remain. new max is 64
SDD size :246 after 761
SDD proceeding with computation,20 properties remain. new max is 128
SDD size :761 after 1340
SDD proceeding with computation,20 properties remain. new max is 256
SDD size :1340 after 75946
SDD proceeding with computation,20 properties remain. new max is 512
SDD size :75946 after 191677
SDD proceeding with computation,20 properties remain. new max is 1024
SDD size :191677 after 2.9833e+10
Invariant property MIN4 does not hold.
SDD proceeding with computation,19 properties remain. new max is 1024
SDD size :2.9833e+10 after 2.30771e+16
SDD proceeding with computation,19 properties remain. new max is 2048
SDD size :2.30771e+16 after 1.49114e+22
SDD proceeding with computation,19 properties remain. new max is 4096
SDD size :1.49114e+22 after 5.52632e+38
Interrupted probabilistic random walk after 392718 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 20
Probabilistic random walk after 392718 steps, saw 344941 distinct states, run finished after 3005 ms. (steps per millisecond=130 ) properties seen :0
[2025-06-02 05:07:51] [INFO ] Invariant cache hit.
[2025-06-02 05:07:51] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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,2.27346e+50,3.05439,58320,2,3313,18,245026,25,0,400,276936,0
Total reachable state count : 2.27345984512264949286385846303214906969e+50

Verifying 20 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,3.05688,58320,1,0,18,245026,25,0,401,276936,0
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,3.05891,58320,1,0,18,245026,25,0,401,276936,0
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
MAX1,0,3.06027,58320,1,0,18,245026,25,0,401,276936,0
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
MIN1,0,3.06164,58320,1,0,18,245026,25,0,401,276936,0
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
MAX2,0,3.06197,58320,1,0,18,245026,25,0,401,276936,0
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
MIN2,0,3.0623,58320,1,0,18,245026,25,0,401,276936,0
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
MAX3,0,3.06294,58320,1,0,18,245026,25,0,401,276936,0
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
MIN3,0,3.06358,58320,1,0,18,245026,25,0,401,276936,0
Reachability property MAX4 does not hold.
No reachable states exhibit your property : MAX4

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX4,0,3.06568,58320,1,0,18,245026,25,0,401,276936,0
Invariant property MIN4 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,3.10031e+11,3.06661,58320,2,774,18,245026,26,0,403,276936,0
Reachability property MAX5 does not hold.
No reachable states exhibit your property : MAX5

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX5,0,3.06828,58320,1,0,18,245026,26,0,403,276936,0
Invariant property MIN5 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
MIN5,0,3.06996,58320,1,0,18,245026,26,0,403,276936,0
Reachability property MAX6 does not hold.
No reachable states exhibit your property : MAX6

At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 11 solved, 8 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX6,0,3.07334,58320,1,0,18,245026,26,0,403,276936,0
Invariant property MIN6 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
MIN6,0,3.07699,58320,1,0,18,245026,26,0,403,276936,0
Reachability property MAX7 does not hold.
No reachable states exhibit your property : MAX7

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX7,0,3.07955,58320,1,0,18,245026,26,0,403,276936,0
Invariant property MIN7 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
MIN7,0,3.08219,58320,1,0,18,245026,26,0,403,276936,0
Reachability property MAX8 does not hold.
No reachable states exhibit your property : MAX8

At refinement iteration 1 (OVERLAPS) 35/45 variables, 9/9 constraints. Problems are: Problem set: 16 solved, 3 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX8,0,3.08348,58320,1,0,18,245026,26,0,403,276936,0
Invariant property MIN8 is true.

Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN8,0,3.08482,58320,1,0,18,245026,26,0,403,276936,0
Reachability property MAX9 does not hold.
No reachable states exhibit your property : MAX9

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX9,0,3.08816,58320,1,0,18,245026,26,0,403,276936,0
Invariant property MIN9 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
MIN9,0,3.09169,58320,1,0,18,245026,26,0,403,276936,0
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 05:07:51] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:51] [INFO ] Deduced a trap composed of 3 places in 81 ms of which 4 ms to minimize.
Problem MIN8 is UNSAT
Problem MAX9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:51] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:51] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:52] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:52] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:52] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:52] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:52] [INFO ] Deduced a trap composed of 3 places in 16 ms of which 1 ms to minimize.
After SMT solving in domain Real declared 45/117 variables, and 18 constraints, problems are : Problem set: 19 solved, 0 unsolved in 822 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 0/45 constraints, ReadFeed: 0/9 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 827ms problems are : Problem set: 19 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA JoinFreeModules-PT-0050-UpperBounds-15 50 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-13 52 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-12 50 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-11 51 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-09 50 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-07 50 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-06 50 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-03 51 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0050-UpperBounds-01 51 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 9 queries.) : Max Seen:[51] Max Struct:[53]
Starting property specific reduction for JoinFreeModules-PT-0050-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[53]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[53]
[2025-06-02 05:07:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[53]
RANDOM walk for 10006 steps (2 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[43] Max Struct:[53]
[2025-06-02 05:07:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 05:07:52] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2025-06-02 05:07:52] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-02 05:07:52] [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 05:07:52] [INFO ] [Nat]Absence check using 9 positive place invariants in 8 ms returned sat
[2025-06-02 05:07:52] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-02 05:07:52] [INFO ] State equation strengthened by 9 read => feed constraints.
[2025-06-02 05:07:52] [INFO ] [Nat]Added 9 Read/Feed constraints in 1 ms returned sat
[2025-06-02 05:07:52] [INFO ] Computed and/alt/rep : 54/135/54 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-02 05:07:52] [INFO ] Added : 41 causal constraints over 10 iterations in 66 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[43] Max Struct:[53]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[51] Max Struct:[53]
Support contains 1 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 5 are kept as prefixes of interest. Removing 40 places using SCC suffix rule.0 ms
Discarding 40 places :
Also discarding 64 output transitions
Drop transitions (Output transitions of discarded places.) removed 64 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /45 variables (removed 40) and now considering 8/72 (removed 64) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 05:07:52] [INFO ] Computed 1 invariants in 0 ms
[2025-06-02 05:07:52] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 162ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 162ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 5/45 places, 8/72 transitions.
[2025-06-02 05:07:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[51] Max Struct:[53]
RANDOM walk for 1000009 steps (2 resets) in 398 ms. (2506 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 418 ms. (2386 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[52] Max Struct:[53]
[2025-06-02 05:07:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 05:07:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 05:07:53] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-02 05:07:53] [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 05:07:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-02 05:07:53] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-02 05:07:53] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 05:07:53] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 05:07:53] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
[2025-06-02 05:07:53] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 29 ms
Current structural bounds on expressions (after SMT) : Max Seen:[52] Max Struct:[52]
FORMULA JoinFreeModules-PT-0050-UpperBounds-08 52 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2025-06-02 05:07:53] [INFO ] Flatten gal took : 2 ms
[2025-06-02 05:07:53] [INFO ] Flatten gal took : 2 ms
[2025-06-02 05:07:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5211919342901746289.gal : 0 ms
[2025-06-02 05:07:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17839523291248639698.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5211919342901746289.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17839523291248639698.prop' '--nowitness' '--gen-order' 'FOLLOW'
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17839523291248639698.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
ITS runner timed out or was interrupted.
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,8,0.001738,3992,2,15,5,61,6,0,45,39,0
Total reachable state count : 8

ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for JoinFreeModules-PT-0050-UpperBounds-08 in 1511 ms.
[2025-06-02 05:07:53] [INFO ] Flatten gal took : 6 ms
Total runtime 122598 ms.

BK_STOP 1748840873717

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="JoinFreeModules-PT-0050"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="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-0050, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-tall-174876422700437"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0050.tgz
mv JoinFreeModules-PT-0050 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' 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 ;