Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524800581.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 Murphy-PT-D2N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524800581
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K 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 125K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 31K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 12K 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 Murphy-PT-D2N050-UpperBounds-00
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-01
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-02
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-03
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-04
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-05
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-06
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-07
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-08
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-09
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-10
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-11
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-12
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-13
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-14
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749326057095

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-PT-D2N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-07 19:54:19] [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]
[2025-06-07 19:54:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:54:19] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2025-06-07 19:54:19] [INFO ] Transformed 18 places.
[2025-06-07 19:54:19] [INFO ] Transformed 21 transitions.
[2025-06-07 19:54:19] [INFO ] Parsed PT model containing 18 places and 21 transitions and 81 arcs in 205 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Current structural bounds on expressions (Initially) : Max Seen:[50, 0, 0, 1, 3, 0, 50, 50, 3, 1, 0, 1, 3, 0, 0, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[50, 0, 0, 1, 3, 0, 50, 50, 3, 1, 0, 1, 3, 0, 0, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 21 rows 18 cols
[2025-06-07 19:54:19] [INFO ] Computed 4 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[50, 0, 0, 1, 3, 0, 50, 50, 3, 1, 0, 1, 3, 0, 0, 1] Max Struct:[153, +inf, +inf, 153, +inf, +inf, 153, 153, +inf, 153, +inf, 153, +inf, +inf, +inf, 153]
RANDOM walk for 10026 steps (2 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 160014 steps (32 resets) in 248 ms. (642 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[67, 2, 1, 59, 3, 1, 101, 91, 3, 65, 2, 59, 3, 1, 2, 65] Max Struct:[153, +inf, +inf, 153, +inf, +inf, 153, 153, +inf, 153, +inf, 153, +inf, +inf, +inf, 153]
[2025-06-07 19:54:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:20] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-07 19:54:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-06-07 19:54:20] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:54:20] [INFO ] [Nat]Added 6 Read/Feed constraints in 5 ms returned sat
[2025-06-07 19:54:20] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-07 19:54:20] [INFO ] Added : 0 causal constraints over 0 iterations in 36 ms. Result :sat
Minimization took 48 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:20] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-07 19:54:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 19:54:20] [INFO ] [Nat]Added 6 Read/Feed constraints in 5 ms returned sat
[2025-06-07 19:54:20] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-07 19:54:20] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-07 19:54:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-07 19:54:21] [INFO ] Added : 1 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-07 19:54:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 19:54:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-07 19:54:21] [INFO ] Added : 0 causal constraints over 0 iterations in 22 ms. Result :sat
Minimization took 45 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-07 19:54:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 19:54:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 19:54:21] [INFO ] Added : 3 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 19:54:21] [INFO ] Added : 1 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:54:21] [INFO ] Deduced a trap composed of 3 places in 61 ms of which 7 ms to minimize.
[2025-06-07 19:54:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 83 ms
[2025-06-07 19:54:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-07 19:54:21] [INFO ] Added : 1 causal constraints over 1 iterations in 21 ms. Result :sat
Minimization took 43 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-06-07 19:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:22] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:22] [INFO ] Added : 3 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:22] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 19:54:22] [INFO ] Added : 2 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 19:54:22] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Minimization took 42 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:22] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-07 19:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:22] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:22] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 19:54:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:23] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:23] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:23] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:23] [INFO ] Added : 2 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:23] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:23] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:54:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 7 ms returned sat
[2025-06-07 19:54:23] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:23] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:23] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:23] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[67, 2, 1, 59, 3, 1, 101, 91, 3, 65, 2, 59, 3, 1, 2, 65] Max Struct:[153, +inf, +inf, 153, +inf, +inf, 153, 153, +inf, 153, +inf, 153, +inf, +inf, +inf, 153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[145, 2, 1, 151, 3, 1, 147, 101, 3, 151, 2, 151, 3, 1, 2, 151] Max Struct:[153, +inf, +inf, 153, +inf, +inf, 153, 153, +inf, 153, +inf, 153, +inf, +inf, +inf, 153]
Support contains 16 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 17 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 19:54:23] [INFO ] Invariant cache hit.
[2025-06-07 19:54:23] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 451 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 12/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 40 constraints, problems are : Problem set: 0 solved, 12 unsolved in 409 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 903ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 917ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 953 ms. Remains : 18/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {10=1, 13=1, 19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {10=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 16) seen :[59, 2, 1, 121, 3, 1, 51, 55, 3, 94, 2, 121, 3, 1, 2, 94]
Current structural bounds on expressions (after cover walk) : Max Seen:[145, 2, 1, 151, 3, 1, 147, 101, 3, 151, 2, 151, 3, 1, 2, 151] Max Struct:[153, +inf, +inf, 153, +inf, +inf, 153, 153, +inf, 153, +inf, 153, +inf, +inf, +inf, 153]
[2025-06-07 19:54:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[145, 2, 1, 151, 3, 1, 147, 101, 3, 151, 2, 151, 3, 1, 2, 151] Max Struct:[153, +inf, +inf, 153, +inf, +inf, 153, 153, +inf, 153, +inf, 153, +inf, +inf, +inf, 153]
RANDOM walk for 1000041 steps (2 resets) in 810 ms. (1233 steps per ms)
BEST_FIRST walk for 16000015 steps (32 resets) in 8134 ms. (1966 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[145, 2, 1, 151, 3, 1, 147, 101, 3, 151, 2, 151, 3, 1, 2, 151] Max Struct:[153, +inf, +inf, 153, +inf, +inf, 153, 153, +inf, 153, +inf, 153, +inf, +inf, +inf, 153]
[2025-06-07 19:54:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:33] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:33] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:33] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:54:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 19:54:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:33] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:33] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:54:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:33] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:34] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:34] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using state equation in 15 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 19:54:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 19:54:34] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:34] [INFO ] Added : 1 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:34] [INFO ] Added : 1 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:34] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:34] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:34] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:35] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:35] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:35] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 7 ms returned sat
[2025-06-07 19:54:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:35] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:35] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[145, 2, 1, 151, 3, 1, 147, 101, 3, 151, 2, 151, 3, 1, 2, 151] Max Struct:[153, +inf, +inf, 151, +inf, +inf, 153, 153, +inf, 151, +inf, 151, +inf, +inf, +inf, 151]
FORMULA Murphy-PT-D2N050-UpperBounds-15 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-11 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-09 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-03 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 18/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {10=1, 13=1, 19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {10=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 12) seen :[53, 2, 1, 3, 1, 59, 54, 3, 2, 3, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
[2025-06-07 19:54:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000020 steps (2 resets) in 670 ms. (1490 steps per ms)
BEST_FIRST walk for 12000011 steps (24 resets) in 5120 ms. (2343 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
[2025-06-07 19:54:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:54:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 19:54:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:41] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 19:54:41] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:41] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-07 19:54:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:41] [INFO ] Added : 3 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:54:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 10 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:42] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:42] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 5 ms returned sat
[2025-06-07 19:54:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:42] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:42] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:42] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:42] [INFO ] Added : 3 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:42] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:54:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 19:54:42] [INFO ] Added : 2 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 18/18 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 19:54:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:54:43] [INFO ] Implicit Places using invariants in 46 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 50 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 52 ms. Remains : 15/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {9=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {9=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 12) seen :[60, 2, 1, 3, 1, 55, 57, 3, 2, 3, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 21 rows 15 cols
[2025-06-07 19:54:43] [INFO ] Computed 1 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000035 steps (2 resets) in 381 ms. (2617 steps per ms)
BEST_FIRST walk for 12000008 steps (24 resets) in 4830 ms. (2483 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
[2025-06-07 19:54:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:54:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-07 19:54:48] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:54:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 6 ms returned sat
[2025-06-07 19:54:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 19:54:48] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-07 19:54:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:48] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:48] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:54:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:48] [INFO ] Added : 3 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:48] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-07 19:54:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:48] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:48] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-07 19:54:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:49] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:49] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:54:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:49] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:54:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:49] [INFO ] Added : 3 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:54:49] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:54:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:54:49] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:54:49] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:54:49] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 19:54:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:54:49] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-07 19:54:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:54:49] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:54:49] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 19:54:49] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 19:54:49] [INFO ] Invariant cache hit.
[2025-06-07 19:54:49] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 290 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 414 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 721ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 721ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 804 ms. Remains : 15/15 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {9=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {9=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 12) seen :[62, 2, 1, 3, 1, 54, 58, 3, 2, 3, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[145, 2, 1, 3, 1, 147, 149, 3, 2, 3, 1, 2] Max Struct:[153, +inf, +inf, +inf, +inf, 153, 153, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40101 steps (8 resets) in 707 ms. (56 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 52 ms. (75 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 72 ms. (54 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 72 ms. (54 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 15/15 properties
[2025-06-07 19:54:50] [INFO ] Flatten gal took : 90 ms
[2025-06-07 19:54:51] [INFO ] Flatten gal took : 19 ms
[2025-06-07 19:54:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15634698412706276005.gal : 15 ms
[2025-06-07 19:54:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4771850023902326916.prop : 4 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/ReachabilityCardinality15634698412706276005.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4771850023902326916.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/ReachabilityCardinality4771850023902326916.prop.
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :36 after 27216
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :27216 after 242742
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
Interrupted probabilistic random walk after 186505 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :0 out of 15
Probabilistic random walk after 186505 steps, saw 120621 distinct states, run finished after 3007 ms. (steps per millisecond=62 ) properties seen :0
[2025-06-07 19:54:53] [INFO ] Invariant cache hit.
[2025-06-07 19:54:53] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 3/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:54:54] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX5 is UNSAT
Problem MAX6 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/17 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/23 constraints. Problems are: Problem set: 3 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 3 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 3 solved, 12 unsolved in 253 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/15 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/17 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/23 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 12/35 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/35 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/35 constraints. Problems are: Problem set: 3 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 35 constraints, problems are : Problem set: 3 solved, 12 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 593ms problems are : Problem set: 3 solved, 12 unsolved
Fused 12 Parikh solutions to 8 different solutions.
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :1.05835e+09 after 3.25441e+09
Parikh walk visited 1 properties in 3610 ms.
Support contains 11 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 4 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 19:54:58] [INFO ] Invariant cache hit.
[2025-06-07 19:54:58] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 201 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Invariant property MIN5 does not hold.
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :3.25441e+09 after 5.96984e+09
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 499ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 501ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 509 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40060 steps (8 resets) in 49 ms. (801 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 69 ms. (571 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 72 ms. (547 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (8 resets) in 95 ms. (416 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 91 ms. (434 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 10/10 properties
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,4.15384e+10,10.2522,119384,2,4826,18,432948,20,0,119,464476,0
Total reachable state count : 41538421296

Verifying 15 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
MAX0,0,10.258,119384,1,0,18,432948,20,0,120,464476,0
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1,10.2585,119384,2,16,18,432948,20,0,121,464476,0
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
MIN1,0,10.2623,119384,1,0,18,432948,20,0,121,464476,0
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
MIN2,0,10.2626,119384,1,0,18,432948,20,0,121,464476,0
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
MIN3,0,10.2628,119384,1,0,18,432948,20,0,121,464476,0
Invariant property MIN4 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,0,10.2666,119384,1,0,18,432948,20,0,121,464476,0
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
MAX5,0,10.2692,119384,1,0,18,432948,20,0,121,464476,0
Invariant property MIN5 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
MIN5,30,10.2695,119384,2,33,18,432948,21,0,123,464476,0
Reachability property MAX6 does not hold.
No reachable states exhibit your property : MAX6

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX6,0,10.2696,119384,1,0,18,432948,21,0,123,464476,0
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
MIN6,0,10.2698,119384,1,0,18,432948,21,0,123,464476,0
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
MIN7,0,10.2736,119384,1,0,18,432948,21,0,123,464476,0
Invariant property MIN8 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
MIN8,0,10.2748,119384,1,0,18,432948,21,0,123,464476,0
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
MIN9,0,10.2755,119384,1,0,18,432948,21,0,123,464476,0
Invariant property MIN10 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
MIN10,0,10.2766,119384,1,0,18,432948,21,0,123,464476,0
Invariant property MIN11 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
MIN11,0,10.2768,119384,1,0,18,432948,21,0,123,464476,0
Interrupted probabilistic random walk after 258803 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 10
Probabilistic random walk after 258803 steps, saw 166838 distinct states, run finished after 3001 ms. (steps per millisecond=86 ) properties seen :0
FORMULA Murphy-PT-D2N050-UpperBounds-14 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-13 1 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-12 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-10 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-08 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-07 149 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-05 1 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-04 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-02 1 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-01 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 10 queries.) : Max Seen:[145, 147] Max Struct:[153, 153]
Starting property specific reduction for Murphy-PT-D2N050-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[153]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[153]
[2025-06-07 19:55:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[153]
RANDOM walk for 10000 steps (2 resets) in 5 ms. (1666 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[59] Max Struct:[153]
[2025-06-07 19:55:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:55:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:02] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:55:02] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:02] [INFO ] [Real]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:55:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:55:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:02] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 19:55:02] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:55:02] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:55:02] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[59] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[139] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 19:55:02] [INFO ] Invariant cache hit.
[2025-06-07 19:55:02] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 217 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 286 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 510ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 510ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 512 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 19:55:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[139] Max Struct:[153]
RANDOM walk for 1000039 steps (2 resets) in 347 ms. (2873 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 357 ms. (2793 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[139] Max Struct:[153]
[2025-06-07 19:55:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:55:03] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 19:55:03] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:55:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:55:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:03] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 19:55:03] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:03] [INFO ] [Nat]Added 6 Read/Feed constraints in 8 ms returned sat
[2025-06-07 19:55:03] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:55:03] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[139] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[143] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 19:55:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:03] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-07 19:55:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:03] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:03] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 19:55:03] [INFO ] Redundant transitions in 1 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 19:55:03] [INFO ] Invariant cache hit.
[2025-06-07 19:55:03] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 374 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 575ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 576ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 660 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 19:55:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[143] Max Struct:[153]
RANDOM walk for 1000013 steps (2 resets) in 325 ms. (3067 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 343 ms. (2906 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[143] Max Struct:[153]
[2025-06-07 19:55:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:55:04] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 19:55:04] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-07 19:55:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:55:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:04] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:55:04] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:04] [INFO ] [Nat]Added 6 Read/Feed constraints in 8 ms returned sat
[2025-06-07 19:55:04] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 19:55:04] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[143] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[143] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 19:55:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:05] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-07 19:55:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:05] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:05] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 19:55:05] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 19:55:05] [INFO ] Invariant cache hit.
[2025-06-07 19:55:05] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 350 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 550ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 550ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 635 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 19:55:05] [INFO ] Flatten gal took : 5 ms
RANDOM walk for 40092 steps (8 resets) in 45 ms. (871 steps per ms) remains 2/2 properties
[2025-06-07 19:55:05] [INFO ] Flatten gal took : 11 ms
[2025-06-07 19:55:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16978654171060369236.gal : 2 ms
[2025-06-07 19:55:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7453062610702987076.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/ReachabilityCardinality16978654171060369236.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7453062610702987076.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/ReachabilityCardinality7453062610702987076.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 51 ms. (769 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 27216
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27216 after 242742
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
Interrupted probabilistic random walk after 664773 steps, run timeout after 3001 ms. (steps per millisecond=221 ) properties seen :0 out of 2
Probabilistic random walk after 664773 steps, saw 427372 distinct states, run finished after 3005 ms. (steps per millisecond=221 ) properties seen :0
[2025-06-07 19:55:08] [INFO ] Invariant cache hit.
[2025-06-07 19:55:08] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:55:08] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 1 solved, 1 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 1 solved, 1 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 151ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 1101 steps, including 15 resets, run visited all 1 properties in 2 ms. (steps per millisecond=550 )
Parikh walk visited 1 properties in 6 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[143] Max Struct:[153]
Ending property specific reduction for Murphy-PT-D2N050-UpperBounds-00 in 6882 ms.
Starting property specific reduction for Murphy-PT-D2N050-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[153]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[153]
[2025-06-07 19:55:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[153]
RANDOM walk for 10037 steps (2 resets) in 4 ms. (2007 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[71] Max Struct:[153]
[2025-06-07 19:55:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:55:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:08] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:55:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 19:55:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:08] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 19:55:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:08] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 19:55:08] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:55:08] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[71] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[124] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 19:55:08] [INFO ] Invariant cache hit.
[2025-06-07 19:55:08] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 372 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 569ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 570ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 571 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 19:55:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[124] Max Struct:[153]
RANDOM walk for 1000024 steps (2 resets) in 335 ms. (2976 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 349 ms. (2857 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[124] Max Struct:[153]
[2025-06-07 19:55:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:55:10] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-07 19:55:10] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:55:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:55:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 19:55:10] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 19:55:10] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:10] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 19:55:10] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:55:10] [INFO ] Added : 3 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[124] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 19:55:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:10] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-07 19:55:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:10] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:10] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 19:55:10] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 19:55:10] [INFO ] Invariant cache hit.
[2025-06-07 19:55:10] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 258 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 468ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 468ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 547 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 19:55:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[149] Max Struct:[153]
RANDOM walk for 1000011 steps (2 resets) in 334 ms. (2985 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 348 ms. (2865 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[149] Max Struct:[153]
[2025-06-07 19:55:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:55:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:11] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 19:55:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 19:55:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:11] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 19:55:11] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:11] [INFO ] [Nat]Added 6 Read/Feed constraints in 6 ms returned sat
[2025-06-07 19:55:11] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 19:55:11] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[149] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 19:55:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:11] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-07 19:55:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:11] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 19:55:11] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 19:55:11] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 19:55:11] [INFO ] Invariant cache hit.
[2025-06-07 19:55:11] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 369 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 561ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 562ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 660 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 19:55:12] [INFO ] Flatten gal took : 5 ms
[2025-06-07 19:55:12] [INFO ] Flatten gal took : 4 ms
[2025-06-07 19:55:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8983974843224680138.gal : 1 ms
[2025-06-07 19:55:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15115271709000788855.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8983974843224680138.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15115271709000788855.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/ReachabilityCardinality15115271709000788855.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 27216
RANDOM walk for 40044 steps (8 resets) in 79 ms. (500 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 73 ms. (540 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27216 after 242742
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
Interrupted probabilistic random walk after 694152 steps, run timeout after 3001 ms. (steps per millisecond=231 ) properties seen :0 out of 2
Probabilistic random walk after 694152 steps, saw 445597 distinct states, run finished after 3001 ms. (steps per millisecond=231 ) properties seen :0
[2025-06-07 19:55:15] [INFO ] Invariant cache hit.
[2025-06-07 19:55:15] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:55:15] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 1 solved, 1 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 1 solved, 1 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 166ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 19:55:15] [INFO ] Invariant cache hit.
[2025-06-07 19:55:15] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD size :1.05835e+09 after 3.25441e+09
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 264 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 442ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 442ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 443 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40099 steps (8 resets) in 36 ms. (1083 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2445102 steps, run timeout after 3001 ms. (steps per millisecond=814 ) properties seen :0 out of 1
Probabilistic random walk after 2445102 steps, saw 1540746 distinct states, run finished after 3001 ms. (steps per millisecond=814 ) properties seen :0
[2025-06-07 19:55:19] [INFO ] Invariant cache hit.
[2025-06-07 19:55:19] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/21 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 15/36 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 19:55:19] [INFO ] Deduced a trap composed of 3 places in 37 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 0 solved, 1 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 213ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 19:55:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:19] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-07 19:55:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 19:55:19] [INFO ] State equation strengthened by 6 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 8192
[2025-06-07 19:55:19] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
SDD size :3.25441e+09 after 5.96984e+09
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 19:55:19] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 19:55:19] [INFO ] Invariant cache hit.
[2025-06-07 19:55:19] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 239 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 359 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 604ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 605ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 698 ms. Remains : 15/15 places, 21/21 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 36 edges and 15 vertex of which 6 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.2 ms
Discarding 9 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Applied a total of 1 rules in 9 ms. Remains 6 /15 variables (removed 9) and now considering 9/21 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 9 rows 6 cols
[2025-06-07 19:55:20] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 19:55:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:20] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 19:55:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 19:55:20] [INFO ] After 6ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-07 19:55:20] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-07 19:55:20] [INFO ] After 4ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-07 19:55:20] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-07 19:55:20] [INFO ] After 39ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-07 19:55:20] [INFO ] Flatten gal took : 2 ms
[2025-06-07 19:55:20] [INFO ] Flatten gal took : 2 ms
[2025-06-07 19:55:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4758754877056990220.gal : 1 ms
[2025-06-07 19:55:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11430119761492528459.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4758754877056990220.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11430119761492528459.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/ReachabilityCardinality11430119761492528459.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 9957
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3.21089e+06 after 3.21844e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.68902e+07 after 1.68998e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.75696e+07 after 4.75802e+07
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,4.15384e+10,10.0099,117684,2,4826,17,432940,8,0,107,464476,0
Total reachable state count : 41538421296

Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,10.0128,117684,1,0,17,432940,8,0,108,464476,0
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
MIN0,0,10.0155,117684,1,0,17,432940,8,0,108,464476,0
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.02214e+08 after 1.02227e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.86117e+08 after 1.86118e+08
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,1.92308e+08,9.69092,121628,2,1266,21,382087,7,0,46,375963,0
Total reachable state count : 192307506

Verifying 1 reachability properties.
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
MIN0,0,9.69487,121628,1,0,21,382087,7,0,47,375963,0
Over-approximation ignoring read arcs solved -1 properties in 9820 ms.
FORMULA Murphy-PT-D2N050-UpperBounds-06 149 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D2N050-UpperBounds-06 in 21116 ms.
[2025-06-07 19:55:29] [INFO ] Flatten gal took : 6 ms
[2025-06-07 19:55:29] [INFO ] Applying decomposition
[2025-06-07 19:55:29] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6504088630631085673.txt' '-o' '/tmp/graph6504088630631085673.bin' '-w' '/tmp/graph6504088630631085673.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6504088630631085673.bin' '-l' '-1' '-v' '-w' '/tmp/graph6504088630631085673.weights' '-q' '0' '-e' '0.001'
[2025-06-07 19:55:30] [INFO ] Decomposing Gal with order
[2025-06-07 19:55:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 19:55:30] [INFO ] Flatten gal took : 73 ms
[2025-06-07 19:55:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-07 19:55:30] [INFO ] Time to serialize gal into /tmp/UpperBounds16441764568075512328.gal : 3 ms
[2025-06-07 19:55:30] [INFO ] Time to serialize properties into /tmp/UpperBounds8027076686575301268.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/UpperBounds16441764568075512328.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8027076686575301268.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds8027076686575301268.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,4.15384e+10,215.144,1282012,819,525,333138,1.54396e+06,56,1.62763e+06,35,5.18883e+06,0
Total reachable state count : 41538421296

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 149
Bounds property Murphy-PT-D2N050-UpperBounds-00 :0 <= i0.u0.p1_1 <= 149
FORMULA Murphy-PT-D2N050-UpperBounds-00 149 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Murphy-PT-D2N050-UpperBounds-00,0,217.643,1282012,1,0,333138,1.54396e+06,93,1.62763e+06,193,5.18883e+06,53
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 288752 ms.

BK_STOP 1749326348471

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="Murphy-PT-D2N050"
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 Murphy-PT-D2N050, 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 r128-smll-174876524800581"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D2N050.tgz
mv Murphy-PT-D2N050 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 ;