About the Execution of 2025-gold for PolyORBLF-COL-S02J04T08
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 10727.512 | 1822315.00 | 2440800.00 | 4059.90 | 1 1 2 1 1 1 10 2 7 1 0 1 1 0 1 1 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r223-smll-177969946300035.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is PolyORBLF-COL-S02J04T08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-smll-177969946300035
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 600K
-rw-r--r-- 1 mcc users 9.3K Mar 8 15:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 8 15:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 8 15:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 8 15:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Mar 16 08:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 16 08:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 16 08:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 16 08:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Mar 8 15:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 8 15:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 8 15:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Mar 8 15:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 16 08:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 154K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-00
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-01
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-02
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-03
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-04
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-05
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-06
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-07
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-08
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-09
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-10
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-11
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-12
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-13
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-14
FORMULA_NAME PolyORBLF-COL-S02J04T08-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779808205258
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-COL-S02J04T08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-05-26 15:10:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 15:10:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 15:10:07] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-26 15:10:08] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 15:10:09] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1374 ms
[2026-05-26 15:10:09] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 614 PT places and 1300.0 transition bindings in 36 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
[2026-05-26 15:10:09] [INFO ] Built PT skeleton of HLPN with 81 places and 65 transitions 254 arcs in 7 ms.
[2026-05-26 15:10:09] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Normalized transition count is 64 out of 65 initially.
// Phase 1: matrix 64 rows 81 cols
[2026-05-26 15:10:09] [INFO ] Computed 26 invariants in 12 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[1, 1, 0, 0, 0, 0, 10, 0, 0, 1, 0, 0, 0, 0, 1, 0] Max Struct:[21, 1, 20, 1, 2, 8, 20, 2, 8, 3, 4, 1, 3, 3, 1, 2]
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-26 15:10:09] [INFO ] Flow matrix only has 64 transitions (discarded 1 similar events)
// Phase 1: matrix 64 rows 81 cols
[2026-05-26 15:10:09] [INFO ] Computed 26 invariants in 5 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:09] [INFO ] [Real]Absence check using 11 positive place invariants in 18 ms returned sat
[2026-05-26 15:10:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 19 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:09] [INFO ] [Real]Absence check using 11 positive place invariants in 10 ms returned sat
[2026-05-26 15:10:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 12 ms returned sat
[2026-05-26 15:10:10] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2026-05-26 15:10:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 11 ms returned sat
[2026-05-26 15:10:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 11 ms returned sat
[2026-05-26 15:10:10] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-26 15:10:10] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 15:10:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 8 ms returned sat
[2026-05-26 15:10:10] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 21 ms.
[2026-05-26 15:10:10] [INFO ] Added : 9 causal constraints over 3 iterations in 148 ms. Result :sat
Minimization took 117 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:10] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-26 15:10:10] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 15:10:10] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2026-05-26 15:10:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 9 ms returned sat
[2026-05-26 15:10:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 10 ms returned sat
[2026-05-26 15:10:10] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-26 15:10:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-26 15:10:10] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-26 15:10:11] [INFO ] Added : 1 causal constraints over 1 iterations in 53 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:11] [INFO ] [Real]Absence check using 11 positive place invariants in 9 ms returned sat
[2026-05-26 15:10:11] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 11 ms returned sat
[2026-05-26 15:10:11] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-26 15:10:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:11] [INFO ] [Nat]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-26 15:10:11] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 10 ms returned sat
[2026-05-26 15:10:11] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-26 15:10:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:11] [INFO ] Deduced a trap composed of 30 places in 133 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:11] [INFO ] Deduced a trap composed of 29 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:11] [INFO ] Deduced a trap composed of 30 places in 55 ms of which 6 ms to minimize.
[2026-05-26 15:10:11] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 297 ms
[2026-05-26 15:10:11] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:11] [INFO ] Deduced a trap composed of 30 places in 73 ms of which 6 ms to minimize.
[2026-05-26 15:10:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 97 ms
[2026-05-26 15:10:11] [INFO ] Added : 58 causal constraints over 12 iterations in 287 ms. Result :sat
Minimization took 53 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-26 15:10:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:12] [INFO ] [Nat]Absence check using 11 positive place invariants in 9 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 13 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Nat]Added 8 Read/Feed constraints in 14 ms returned sat
[2026-05-26 15:10:12] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 15:10:12] [INFO ] Added : 27 causal constraints over 6 iterations in 104 ms. Result :sat
Minimization took 58 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 3 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-26 15:10:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:12] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-26 15:10:12] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-26 15:10:12] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 15:10:12] [INFO ] Added : 54 causal constraints over 11 iterations in 149 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:12] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-26 15:10:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:13] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 18 ms returned sat
[2026-05-26 15:10:13] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 15:10:13] [INFO ] Added : 10 causal constraints over 2 iterations in 51 ms. Result :sat
Minimization took 68 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:13] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:13] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 5 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-26 15:10:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:13] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2026-05-26 15:10:13] [INFO ] [Nat]Added 8 Read/Feed constraints in 69 ms returned sat
[2026-05-26 15:10:13] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 15:10:13] [INFO ] Added : 61 causal constraints over 13 iterations in 189 ms. Result :sat
Minimization took 178 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:14] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-26 15:10:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 18 ms returned sat
[2026-05-26 15:10:14] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:14] [INFO ] Deduced a trap composed of 21 places in 70 ms of which 6 ms to minimize.
[2026-05-26 15:10:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 93 ms
[2026-05-26 15:10:14] [INFO ] Added : 53 causal constraints over 12 iterations in 292 ms. Result :sat
Minimization took 45 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:14] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Real]Added 8 Read/Feed constraints in 4 ms returned sat
[2026-05-26 15:10:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-26 15:10:14] [INFO ] [Nat]Added 8 Read/Feed constraints in 7 ms returned sat
[2026-05-26 15:10:14] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 15:10:15] [INFO ] Added : 7 causal constraints over 2 iterations in 46 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:15] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 14 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-26 15:10:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Nat]Added 8 Read/Feed constraints in 47 ms returned sat
[2026-05-26 15:10:15] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 15:10:15] [INFO ] Added : 58 causal constraints over 12 iterations in 276 ms. Result :sat
Minimization took 82 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:15] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-26 15:10:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-26 15:10:15] [INFO ] [Nat]Added 8 Read/Feed constraints in 12 ms returned sat
[2026-05-26 15:10:15] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 15:10:16] [INFO ] Added : 34 causal constraints over 7 iterations in 122 ms. Result :sat
Minimization took 44 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[1, 0, 0, 0, 0, 10, 0, 0, 1, 0, 0, 0, 0, 0] Max Struct:[1, 20, 1, 2, 8, 10, 2, 8, 1, 4, 1, 3, 3, 2]
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-06 10 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
Transition T_2315 forces synchronizations/join behavior on parameter t of sort Threads
Transition GoPerformWork forces synchronizations/join behavior on parameter j of sort Jobs
Transition T_0376 forces synchronizations/join behavior on parameter s of sort Sources
[2026-05-26 15:10:16] [INFO ] Unfolded HLPN to a Petri net with 614 places and 1242 transitions 5732 arcs in 80 ms.
[2026-05-26 15:10:16] [INFO ] Unfolded 11 HLPN properties in 0 ms.
Ensure Unique test removed 128 transitions
Reduce redundant transitions removed 128 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 2, 8, 2, 8, 4, 1, 3, 3, 2]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 2, 8, 2, 8, 4, 1, 3, 3, 2]
[2026-05-26 15:10:16] [INFO ] Flow matrix only has 1098 transitions (discarded 16 similar events)
// Phase 1: matrix 1098 rows 614 cols
[2026-05-26 15:10:16] [INFO ] Computed 50 invariants in 84 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[20, 1, 2, 8, 2, 8, 4, 1, 3, 3, 2]
RANDOM walk for 10000 steps (6 resets) in 159 ms. (62 steps per ms)
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-07 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80004 steps (17 resets) in 585 ms. (136 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1, 1, 7, 0, 1, 0, 1] Max Struct:[20, 2, 8, 8, 4, 3, 3, 2]
[2026-05-26 15:10:17] [INFO ] Flow matrix only has 1098 transitions (discarded 16 similar events)
[2026-05-26 15:10:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:17] [INFO ] [Real]Absence check using 14 positive place invariants in 25 ms returned sat
[2026-05-26 15:10:17] [INFO ] [Real]Absence check using 14 positive and 36 generalized place invariants in 50 ms returned sat
[2026-05-26 15:10:18] [INFO ] [Real]Absence check using state equation in 1033 ms returned sat
[2026-05-26 15:10:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:18] [INFO ] [Nat]Absence check using 14 positive place invariants in 25 ms returned sat
[2026-05-26 15:10:18] [INFO ] [Nat]Absence check using 14 positive and 36 generalized place invariants in 41 ms returned sat
[2026-05-26 15:10:19] [INFO ] [Nat]Absence check using state equation in 1154 ms returned sat
[2026-05-26 15:10:19] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:10:20] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 15:10:20] [INFO ] [Nat]Added 96 Read/Feed constraints in 819 ms returned sat
[2026-05-26 15:10:20] [INFO ] Computed and/alt/rep : 728/2582/720 causal constraints (skipped 376 transitions) in 158 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:23] [INFO ] [Real]Absence check using 14 positive place invariants in 22 ms returned sat
[2026-05-26 15:10:23] [INFO ] [Real]Absence check using 14 positive and 36 generalized place invariants in 21 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:24] [INFO ] [Real]Absence check using 14 positive place invariants in 28 ms returned sat
[2026-05-26 15:10:24] [INFO ] [Real]Absence check using 14 positive and 36 generalized place invariants in 24 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:24] [INFO ] [Real]Absence check using 14 positive place invariants in 25 ms returned sat
[2026-05-26 15:10:24] [INFO ] [Real]Absence check using 14 positive and 36 generalized place invariants in 51 ms returned sat
[2026-05-26 15:10:25] [INFO ] [Real]Absence check using state equation in 980 ms returned sat
[2026-05-26 15:10:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:25] [INFO ] [Nat]Absence check using 14 positive place invariants in 31 ms returned sat
[2026-05-26 15:10:25] [INFO ] [Nat]Absence check using 14 positive and 36 generalized place invariants in 46 ms returned sat
[2026-05-26 15:10:26] [INFO ] [Nat]Absence check using state equation in 1240 ms returned sat
[2026-05-26 15:10:27] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 15:10:27] [INFO ] [Nat]Added 96 Read/Feed constraints in 1029 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:28] [INFO ] [Real]Absence check using 14 positive place invariants in 24 ms returned sat
[2026-05-26 15:10:28] [INFO ] [Real]Absence check using 14 positive and 36 generalized place invariants in 48 ms returned sat
[2026-05-26 15:10:29] [INFO ] [Real]Absence check using state equation in 886 ms returned sat
[2026-05-26 15:10:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:29] [INFO ] [Nat]Absence check using 14 positive place invariants in 25 ms returned sat
[2026-05-26 15:10:29] [INFO ] [Nat]Absence check using 14 positive and 36 generalized place invariants in 51 ms returned sat
[2026-05-26 15:10:31] [INFO ] [Nat]Absence check using state equation in 1741 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:31] [INFO ] [Real]Absence check using 14 positive place invariants in 18 ms returned sat
[2026-05-26 15:10:31] [INFO ] [Real]Absence check using 14 positive and 36 generalized place invariants in 35 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:31] [INFO ] [Real]Absence check using 14 positive place invariants in 20 ms returned sat
[2026-05-26 15:10:31] [INFO ] [Real]Absence check using 14 positive and 36 generalized place invariants in 34 ms returned sat
[2026-05-26 15:10:32] [INFO ] [Real]Absence check using state equation in 970 ms returned sat
[2026-05-26 15:10:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:32] [INFO ] [Nat]Absence check using 14 positive place invariants in 18 ms returned sat
[2026-05-26 15:10:32] [INFO ] [Nat]Absence check using 14 positive and 36 generalized place invariants in 31 ms returned sat
[2026-05-26 15:10:34] [INFO ] [Nat]Absence check using state equation in 1412 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:10:34] [INFO ] [Real]Absence check using 14 positive place invariants in 19 ms returned sat
[2026-05-26 15:10:34] [INFO ] [Real]Absence check using 14 positive and 36 generalized place invariants in 9 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1, 1, 7, 0, 1, 0, 1] Max Struct:[20, 1, 1, 8, 4, 1, 3, 1]
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 7, 0, 0] Max Struct:[20, 8, 4, 3]
Support contains 32 out of 614 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 614/614 places, 1114/1114 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 612 transition count 1050
Reduce places removed 64 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 72 rules applied. Total rules applied 138 place count 548 transition count 1042
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 146 place count 540 transition count 1042
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 64 Pre rules applied. Total rules applied 146 place count 540 transition count 978
Deduced a syphon composed of 64 places in 2 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 3 with 128 rules applied. Total rules applied 274 place count 476 transition count 978
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 2 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 386 place count 420 transition count 922
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 3 with 8 rules applied. Total rules applied 394 place count 420 transition count 914
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 402 place count 412 transition count 914
Applied a total of 402 rules in 300 ms. Remains 412 /614 variables (removed 202) and now considering 914/1114 (removed 200) transitions.
Running 912 sub problems to find dead transitions.
[2026-05-26 15:10:34] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
// Phase 1: matrix 898 rows 412 cols
[2026-05-26 15:10:34] [INFO ] Computed 48 invariants in 55 ms
[2026-05-26 15:10:34] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/410 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/410 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 912 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:50] [INFO ] Deduced a trap composed of 40 places in 162 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:50] [INFO ] Deduced a trap composed of 40 places in 134 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:51] [INFO ] Deduced a trap composed of 40 places in 85 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:51] [INFO ] Deduced a trap composed of 40 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:51] [INFO ] Deduced a trap composed of 40 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:51] [INFO ] Deduced a trap composed of 40 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:51] [INFO ] Deduced a trap composed of 40 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:51] [INFO ] Deduced a trap composed of 40 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:52] [INFO ] Deduced a trap composed of 133 places in 736 ms of which 137 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:53] [INFO ] Deduced a trap composed of 140 places in 591 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:53] [INFO ] Deduced a trap composed of 125 places in 465 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:10:54] [INFO ] Deduced a trap composed of 19 places in 474 ms of which 35 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 410/1310 variables, and 58 constraints, problems are : Problem set: 0 solved, 912 unsolved in 20054 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 33/34 constraints, State Equation: 0/412 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 912/912 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 912 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/410 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/410 variables, 33/46 constraints. Problems are: Problem set: 0 solved, 912 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/410 variables, 12/58 constraints. Problems are: Problem set: 0 solved, 912 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:13] [INFO ] Deduced a trap composed of 31 places in 202 ms of which 26 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 410/1310 variables, and 59 constraints, problems are : Problem set: 0 solved, 912 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 13/14 constraints, Generalized P Invariants (flows): 33/34 constraints, State Equation: 0/412 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/912 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41650ms problems are : Problem set: 0 solved, 912 unsolved
Search for dead transitions found 0 dead transitions in 41695ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42039 ms. Remains : 412/614 places, 914/1114 transitions.
[2026-05-26 15:11:16] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2026-05-26 15:11:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 7, 0, 0] Max Struct:[20, 8, 4, 3]
RANDOM walk for 1000000 steps (406 resets) in 5529 ms. (180 steps per ms)
BEST_FIRST walk for 4000002 steps (504 resets) in 9499 ms. (421 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 7, 0, 0] Max Struct:[20, 8, 4, 3]
[2026-05-26 15:11:31] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2026-05-26 15:11:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:11:31] [INFO ] [Real]Absence check using 14 positive place invariants in 19 ms returned sat
[2026-05-26 15:11:31] [INFO ] [Real]Absence check using 14 positive and 34 generalized place invariants in 38 ms returned sat
[2026-05-26 15:11:32] [INFO ] [Real]Absence check using state equation in 591 ms returned sat
[2026-05-26 15:11:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:11:32] [INFO ] [Nat]Absence check using 14 positive place invariants in 13 ms returned sat
[2026-05-26 15:11:32] [INFO ] [Nat]Absence check using 14 positive and 34 generalized place invariants in 21 ms returned sat
[2026-05-26 15:11:32] [INFO ] [Nat]Absence check using state equation in 462 ms returned sat
[2026-05-26 15:11:32] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:11:33] [INFO ] [Nat]Added 96 Read/Feed constraints in 348 ms returned sat
[2026-05-26 15:11:33] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 122 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:38] [INFO ] Deduced a trap composed of 40 places in 207 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:38] [INFO ] Deduced a trap composed of 40 places in 129 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:38] [INFO ] Deduced a trap composed of 40 places in 123 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:38] [INFO ] Deduced a trap composed of 40 places in 138 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:39] [INFO ] Deduced a trap composed of 40 places in 95 ms of which 7 ms to minimize.
[2026-05-26 15:11:39] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1345 ms
[2026-05-26 15:11:39] [INFO ] Added : 159 causal constraints over 33 iterations in 6410 ms. Result :sat
Minimization took 3540 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:11:43] [INFO ] [Real]Absence check using 14 positive place invariants in 12 ms returned sat
[2026-05-26 15:11:43] [INFO ] [Real]Absence check using 14 positive and 34 generalized place invariants in 24 ms returned sat
[2026-05-26 15:11:43] [INFO ] [Real]Absence check using state equation in 683 ms returned sat
[2026-05-26 15:11:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:11:44] [INFO ] [Nat]Absence check using 14 positive place invariants in 20 ms returned sat
[2026-05-26 15:11:44] [INFO ] [Nat]Absence check using 14 positive and 34 generalized place invariants in 34 ms returned sat
[2026-05-26 15:11:44] [INFO ] [Nat]Absence check using state equation in 768 ms returned sat
[2026-05-26 15:11:45] [INFO ] [Nat]Added 96 Read/Feed constraints in 454 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:45] [INFO ] Deduced a trap composed of 34 places in 462 ms of which 40 ms to minimize.
[2026-05-26 15:11:45] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 510 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:11:46] [INFO ] [Real]Absence check using 14 positive place invariants in 20 ms returned sat
[2026-05-26 15:11:46] [INFO ] [Real]Absence check using 14 positive and 34 generalized place invariants in 38 ms returned sat
[2026-05-26 15:11:46] [INFO ] [Real]Absence check using state equation in 697 ms returned sat
[2026-05-26 15:11:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:11:46] [INFO ] [Nat]Absence check using 14 positive place invariants in 21 ms returned sat
[2026-05-26 15:11:47] [INFO ] [Nat]Absence check using 14 positive and 34 generalized place invariants in 41 ms returned sat
[2026-05-26 15:11:48] [INFO ] [Nat]Absence check using state equation in 998 ms returned sat
[2026-05-26 15:11:51] [INFO ] [Nat]Added 96 Read/Feed constraints in 3929 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:52] [INFO ] Deduced a trap composed of 19 places in 423 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:53] [INFO ] Deduced a trap composed of 121 places in 458 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:11:54] [INFO ] Deduced a trap composed of 47 places in 451 ms of which 58 ms to minimize.
[2026-05-26 15:11:55] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 3907 ms
[2026-05-26 15:11:55] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 88 ms.
[2026-05-26 15:11:59] [INFO ] Added : 101 causal constraints over 21 iterations in 3170 ms. Result :sat
Minimization took 3483 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:12:02] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2026-05-26 15:12:02] [INFO ] [Real]Absence check using 14 positive and 34 generalized place invariants in 21 ms returned sat
[2026-05-26 15:12:03] [INFO ] [Real]Absence check using state equation in 436 ms returned sat
[2026-05-26 15:12:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:12:03] [INFO ] [Nat]Absence check using 14 positive place invariants in 19 ms returned sat
[2026-05-26 15:12:03] [INFO ] [Nat]Absence check using 14 positive and 34 generalized place invariants in 33 ms returned sat
[2026-05-26 15:12:04] [INFO ] [Nat]Absence check using state equation in 664 ms returned sat
[2026-05-26 15:12:04] [INFO ] [Nat]Added 96 Read/Feed constraints in 948 ms returned sat
[2026-05-26 15:12:05] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 93 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:07] [INFO ] Deduced a trap composed of 40 places in 77 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:07] [INFO ] Deduced a trap composed of 40 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:08] [INFO ] Deduced a trap composed of 40 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:08] [INFO ] Deduced a trap composed of 40 places in 52 ms of which 3 ms to minimize.
[2026-05-26 15:12:08] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1204 ms
[2026-05-26 15:12:09] [INFO ] Added : 133 causal constraints over 27 iterations in 4204 ms. Result :sat
Minimization took 4357 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 7, 0, 0] Max Struct:[20, 7, 4, 3]
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-08 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
Support contains 24 out of 412 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 412/412 places, 914/914 transitions.
Applied a total of 0 rules in 31 ms. Remains 412 /412 variables (removed 0) and now considering 914/914 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 412/412 places, 914/914 transitions.
[2026-05-26 15:12:16] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2026-05-26 15:12:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
RANDOM walk for 1000000 steps (405 resets) in 4569 ms. (218 steps per ms)
BEST_FIRST walk for 3000002 steps (503 resets) in 7014 ms. (427 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
[2026-05-26 15:12:28] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2026-05-26 15:12:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:12:28] [INFO ] [Real]Absence check using 14 positive place invariants in 13 ms returned sat
[2026-05-26 15:12:28] [INFO ] [Real]Absence check using 14 positive and 34 generalized place invariants in 26 ms returned sat
[2026-05-26 15:12:28] [INFO ] [Real]Absence check using state equation in 417 ms returned sat
[2026-05-26 15:12:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:12:29] [INFO ] [Nat]Absence check using 14 positive place invariants in 14 ms returned sat
[2026-05-26 15:12:29] [INFO ] [Nat]Absence check using 14 positive and 34 generalized place invariants in 26 ms returned sat
[2026-05-26 15:12:29] [INFO ] [Nat]Absence check using state equation in 499 ms returned sat
[2026-05-26 15:12:29] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:12:29] [INFO ] [Nat]Added 96 Read/Feed constraints in 362 ms returned sat
[2026-05-26 15:12:30] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 73 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:33] [INFO ] Deduced a trap composed of 40 places in 143 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:33] [INFO ] Deduced a trap composed of 40 places in 86 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:33] [INFO ] Deduced a trap composed of 40 places in 82 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:33] [INFO ] Deduced a trap composed of 40 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:33] [INFO ] Deduced a trap composed of 40 places in 45 ms of which 3 ms to minimize.
[2026-05-26 15:12:33] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 861 ms
[2026-05-26 15:12:34] [INFO ] Added : 159 causal constraints over 33 iterations in 4138 ms. Result :sat
Minimization took 3442 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:12:37] [INFO ] [Real]Absence check using 14 positive place invariants in 13 ms returned sat
[2026-05-26 15:12:37] [INFO ] [Real]Absence check using 14 positive and 34 generalized place invariants in 25 ms returned sat
[2026-05-26 15:12:38] [INFO ] [Real]Absence check using state equation in 472 ms returned sat
[2026-05-26 15:12:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:12:38] [INFO ] [Nat]Absence check using 14 positive place invariants in 14 ms returned sat
[2026-05-26 15:12:38] [INFO ] [Nat]Absence check using 14 positive and 34 generalized place invariants in 27 ms returned sat
[2026-05-26 15:12:39] [INFO ] [Nat]Absence check using state equation in 637 ms returned sat
[2026-05-26 15:12:43] [INFO ] [Nat]Added 96 Read/Feed constraints in 4006 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:43] [INFO ] Deduced a trap composed of 19 places in 458 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:44] [INFO ] Deduced a trap composed of 121 places in 526 ms of which 122 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:45] [INFO ] Deduced a trap composed of 47 places in 446 ms of which 60 ms to minimize.
[2026-05-26 15:12:47] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 4198 ms
[2026-05-26 15:12:47] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 77 ms.
[2026-05-26 15:12:49] [INFO ] Added : 101 causal constraints over 21 iterations in 2644 ms. Result :sat
Minimization took 3785 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:12:53] [INFO ] [Real]Absence check using 14 positive place invariants in 13 ms returned sat
[2026-05-26 15:12:53] [INFO ] [Real]Absence check using 14 positive and 34 generalized place invariants in 25 ms returned sat
[2026-05-26 15:12:54] [INFO ] [Real]Absence check using state equation in 538 ms returned sat
[2026-05-26 15:12:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:12:54] [INFO ] [Nat]Absence check using 14 positive place invariants in 15 ms returned sat
[2026-05-26 15:12:54] [INFO ] [Nat]Absence check using 14 positive and 34 generalized place invariants in 24 ms returned sat
[2026-05-26 15:12:55] [INFO ] [Nat]Absence check using state equation in 576 ms returned sat
[2026-05-26 15:12:56] [INFO ] [Nat]Added 96 Read/Feed constraints in 1157 ms returned sat
[2026-05-26 15:12:56] [INFO ] Computed and/alt/rep : 432/1438/424 causal constraints (skipped 472 transitions) in 70 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:58] [INFO ] Deduced a trap composed of 40 places in 100 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:58] [INFO ] Deduced a trap composed of 40 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:59] [INFO ] Deduced a trap composed of 40 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:12:59] [INFO ] Deduced a trap composed of 40 places in 48 ms of which 3 ms to minimize.
[2026-05-26 15:12:59] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1296 ms
[2026-05-26 15:13:00] [INFO ] Added : 133 causal constraints over 27 iterations in 4006 ms. Result :sat
Minimization took 4530 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
Support contains 24 out of 412 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 412/412 places, 914/914 transitions.
Applied a total of 0 rules in 25 ms. Remains 412 /412 variables (removed 0) and now considering 914/914 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 412/412 places, 914/914 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 412/412 places, 914/914 transitions.
Applied a total of 0 rules in 24 ms. Remains 412 /412 variables (removed 0) and now considering 914/914 (removed 0) transitions.
[2026-05-26 15:13:07] [INFO ] Flow matrix only has 898 transitions (discarded 16 similar events)
[2026-05-26 15:13:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:13:08] [INFO ] Implicit Places using invariants in 1874 ms returned [366, 367, 368, 369, 370, 371, 372, 373]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 1878 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 404/412 places, 914/914 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 396 transition count 906
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 396 transition count 906
Applied a total of 16 rules in 48 ms. Remains 396 /404 variables (removed 8) and now considering 906/914 (removed 8) transitions.
[2026-05-26 15:13:09] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
// Phase 1: matrix 890 rows 396 cols
[2026-05-26 15:13:09] [INFO ] Computed 40 invariants in 20 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:13:10] [INFO ] Implicit Places using invariants in 1826 ms returned []
[2026-05-26 15:13:10] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:13:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:13:11] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:13:20] [INFO ] Implicit Places using invariants and state equation in 10054 ms returned []
Implicit Place search using SMT with State Equation took 11886 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 396/412 places, 906/914 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 13838 ms. Remains : 396/412 places, 906/914 transitions.
[2026-05-26 15:13:20] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:13:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
RANDOM walk for 1000000 steps (398 resets) in 4260 ms. (234 steps per ms)
BEST_FIRST walk for 3000002 steps (490 resets) in 6181 ms. (485 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
[2026-05-26 15:13:31] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:13:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:13:31] [INFO ] [Real]Absence check using 10 positive place invariants in 8 ms returned sat
[2026-05-26 15:13:31] [INFO ] [Real]Absence check using 10 positive and 30 generalized place invariants in 30 ms returned sat
[2026-05-26 15:13:31] [INFO ] [Real]Absence check using state equation in 422 ms returned sat
[2026-05-26 15:13:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:13:32] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-26 15:13:32] [INFO ] [Nat]Absence check using 10 positive and 30 generalized place invariants in 29 ms returned sat
[2026-05-26 15:13:32] [INFO ] [Nat]Absence check using state equation in 369 ms returned sat
[2026-05-26 15:13:32] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:13:32] [INFO ] [Nat]Added 96 Read/Feed constraints in 352 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:13:33] [INFO ] Deduced a trap composed of 125 places in 403 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:13:33] [INFO ] Deduced a trap composed of 19 places in 397 ms of which 28 ms to minimize.
[2026-05-26 15:13:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 959 ms
[2026-05-26 15:13:33] [INFO ] Computed and/alt/rep : 416/1357/408 causal constraints (skipped 480 transitions) in 65 ms.
[2026-05-26 15:13:35] [INFO ] Added : 41 causal constraints over 9 iterations in 1531 ms. Result :sat
Minimization took 3922 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:13:39] [INFO ] [Real]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-26 15:13:39] [INFO ] [Real]Absence check using 10 positive and 30 generalized place invariants in 31 ms returned sat
[2026-05-26 15:13:39] [INFO ] [Real]Absence check using state equation in 538 ms returned sat
[2026-05-26 15:13:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:13:40] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-26 15:13:40] [INFO ] [Nat]Absence check using 10 positive and 30 generalized place invariants in 25 ms returned sat
[2026-05-26 15:13:40] [INFO ] [Nat]Absence check using state equation in 554 ms returned sat
[2026-05-26 15:13:41] [INFO ] [Nat]Added 96 Read/Feed constraints in 1219 ms returned sat
[2026-05-26 15:13:41] [INFO ] Computed and/alt/rep : 416/1357/408 causal constraints (skipped 480 transitions) in 62 ms.
[2026-05-26 15:13:42] [INFO ] Added : 18 causal constraints over 4 iterations in 424 ms. Result :sat
Minimization took 3289 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:13:45] [INFO ] [Real]Absence check using 10 positive place invariants in 11 ms returned sat
[2026-05-26 15:13:45] [INFO ] [Real]Absence check using 10 positive and 30 generalized place invariants in 43 ms returned sat
[2026-05-26 15:13:46] [INFO ] [Real]Absence check using state equation in 675 ms returned sat
[2026-05-26 15:13:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:13:46] [INFO ] [Nat]Absence check using 10 positive place invariants in 8 ms returned sat
[2026-05-26 15:13:46] [INFO ] [Nat]Absence check using 10 positive and 30 generalized place invariants in 29 ms returned sat
[2026-05-26 15:13:48] [INFO ] [Nat]Absence check using state equation in 1610 ms returned sat
[2026-05-26 15:13:49] [INFO ] [Nat]Added 96 Read/Feed constraints in 853 ms returned sat
[2026-05-26 15:13:49] [INFO ] Computed and/alt/rep : 416/1357/408 causal constraints (skipped 480 transitions) in 69 ms.
[2026-05-26 15:13:49] [INFO ] Added : 24 causal constraints over 5 iterations in 552 ms. Result :sat
Minimization took 3990 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
Support contains 24 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 25 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 396/396 places, 906/906 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 20 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
[2026-05-26 15:13:55] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:13:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:13:57] [INFO ] Implicit Places using invariants in 1672 ms returned []
[2026-05-26 15:13:57] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:13:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:13:58] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:14:08] [INFO ] Implicit Places using invariants and state equation in 10951 ms returned []
Implicit Place search using SMT with State Equation took 12627 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:14:08] [INFO ] Redundant transitions in 95 ms returned []
Running 904 sub problems to find dead transitions.
[2026-05-26 15:14:08] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:14:08] [INFO ] Invariant cache hit.
[2026-05-26 15:14:08] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:21] [INFO ] Deduced a trap composed of 40 places in 139 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:22] [INFO ] Deduced a trap composed of 40 places in 123 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:22] [INFO ] Deduced a trap composed of 40 places in 131 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:22] [INFO ] Deduced a trap composed of 40 places in 88 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:22] [INFO ] Deduced a trap composed of 40 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:22] [INFO ] Deduced a trap composed of 40 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:22] [INFO ] Deduced a trap composed of 40 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:23] [INFO ] Deduced a trap composed of 133 places in 422 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:23] [INFO ] Deduced a trap composed of 140 places in 422 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:24] [INFO ] Deduced a trap composed of 31 places in 330 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:24] [INFO ] Deduced a trap composed of 40 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:31] [INFO ] Deduced a trap composed of 125 places in 601 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:31] [INFO ] Deduced a trap composed of 19 places in 539 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:36] [INFO ] Deduced a trap composed of 134 places in 577 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:14:37] [INFO ] Deduced a trap composed of 106 places in 467 ms of which 63 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 394/1286 variables, and 53 constraints, problems are : Problem set: 0 solved, 904 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 904/904 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 15/53 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 394/1286 variables, and 53 constraints, problems are : Problem set: 0 solved, 904 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/904 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60941ms problems are : Problem set: 0 solved, 904 unsolved
Search for dead transitions found 0 dead transitions in 60952ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73716 ms. Remains : 396/396 places, 906/906 transitions.
RANDOM walk for 40000 steps (21 resets) in 2271 ms. (17 steps per ms) remains 6/6 properties
[2026-05-26 15:15:10] [INFO ] Flatten gal took : 462 ms
BEST_FIRST walk for 40004 steps (12 resets) in 903 ms. (44 steps per ms) remains 6/6 properties
[2026-05-26 15:15:10] [INFO ] Flatten gal took : 207 ms
BEST_FIRST walk for 40003 steps (9 resets) in 695 ms. (57 steps per ms) remains 6/6 properties
[2026-05-26 15:15:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2985457271124029362.gal : 123 ms
[2026-05-26 15:15:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2806154921909986731.prop : 9 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/ReachabilityCardinality2985457271124029362.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2806154921909986731.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40001 steps (11 resets) in 579 ms. (68 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (11 resets) in 552 ms. (72 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (9 resets) in 493 ms. (80 steps per ms) remains 6/6 properties
Loading property file /tmp/ReachabilityCardinality2806154921909986731.prop.
BEST_FIRST walk for 40004 steps (10 resets) in 276 ms. (144 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :4 after 7
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :7 after 8
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :8 after 10
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :10 after 50
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :230 after 2114
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :2114 after 3202
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :3202 after 3451
Interrupted probabilistic random walk after 136833 steps, run timeout after 3001 ms. (steps per millisecond=45 ) properties seen :0 out of 6
Probabilistic random walk after 136833 steps, saw 76977 distinct states, run finished after 3008 ms. (steps per millisecond=45 ) properties seen :0
[2026-05-26 15:15:14] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:15:14] [INFO ] Invariant cache hit.
[2026-05-26 15:15:14] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 310/334 variables, 12/12 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/334 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 13/347 variables, 8/20 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :3451 after 5398
[2026-05-26 15:15:14] [INFO ] Deduced a trap composed of 191 places in 377 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:15] [INFO ] Deduced a trap composed of 205 places in 305 ms of which 69 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 2/22 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 46/393 variables, 18/40 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 0/40 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1/394 variables, 1/41 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 890/1284 variables, 394/435 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1284 variables, 96/531 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1284 variables, 0/531 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 2/1286 variables, 2/533 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1286 variables, 1/534 constraints. Problems are: Problem set: 1 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :5398 after 7776
At refinement iteration 15 (INCLUDED_ONLY) 0/1286 variables, 0/534 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 0/1286 variables, 0/534 constraints. Problems are: Problem set: 1 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1286/1286 variables, and 534 constraints, problems are : Problem set: 1 solved, 5 unsolved in 4057 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 396/396 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 310/334 variables, 12/12 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/334 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 13/347 variables, 8/20 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 2/22 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 46/393 variables, 18/40 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:18] [INFO ] Deduced a trap composed of 40 places in 190 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:19] [INFO ] Deduced a trap composed of 40 places in 303 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:19] [INFO ] Deduced a trap composed of 40 places in 133 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:19] [INFO ] Deduced a trap composed of 40 places in 109 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:19] [INFO ] Deduced a trap composed of 40 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:19] [INFO ] Deduced a trap composed of 40 places in 69 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 6/46 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/393 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 1/394 variables, 1/47 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 890/1284 variables, 394/441 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1284 variables, 96/537 constraints. Problems are: Problem set: 1 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :7776 after 45292
At refinement iteration 13 (INCLUDED_ONLY) 0/1284 variables, 5/542 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1284/1286 variables, and 542 constraints, problems are : Problem set: 1 solved, 5 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 9/10 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 394/396 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 5/6 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9098ms problems are : Problem set: 1 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 24 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 30 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Running 904 sub problems to find dead transitions.
[2026-05-26 15:15:23] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:15:23] [INFO ] Invariant cache hit.
[2026-05-26 15:15:23] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:33] [INFO ] Deduced a trap composed of 40 places in 144 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:33] [INFO ] Deduced a trap composed of 40 places in 103 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:33] [INFO ] Deduced a trap composed of 40 places in 102 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:33] [INFO ] Deduced a trap composed of 40 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:33] [INFO ] Deduced a trap composed of 40 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:33] [INFO ] Deduced a trap composed of 40 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:33] [INFO ] Deduced a trap composed of 40 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:34] [INFO ] Deduced a trap composed of 133 places in 426 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,6 properties remain. new max is 16384
[2026-05-26 15:15:34] [INFO ] Deduced a trap composed of 140 places in 375 ms of which 74 ms to minimize.
SDD size :45292 after 155158
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:34] [INFO ] Deduced a trap composed of 31 places in 185 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:34] [INFO ] Deduced a trap composed of 40 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:40] [INFO ] Deduced a trap composed of 125 places in 384 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:15:40] [INFO ] Deduced a trap composed of 19 places in 357 ms of which 31 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 394/1286 variables, and 51 constraints, problems are : Problem set: 0 solved, 904 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 904/904 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
SDD proceeding with computation,6 properties remain. new max is 32768
SDD size :155158 after 268043
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Detected timeout of ITS tools.
[2026-05-26 15:16:00] [INFO ] Flatten gal took : 148 ms
[2026-05-26 15:16:00] [INFO ] Applying decomposition
[2026-05-26 15:16:01] [INFO ] Flatten gal took : 150 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/graph50526844079866080.txt' '-o' '/tmp/graph50526844079866080.bin' '-w' '/tmp/graph50526844079866080.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph50526844079866080.bin' '-l' '-1' '-v' '-w' '/tmp/graph50526844079866080.weights' '-q' '0' '-e' '0.001'
[2026-05-26 15:16:01] [INFO ] Decomposing Gal with order
[2026-05-26 15:16:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 15:16:02] [INFO ] Removed a total of 848 redundant transitions.
[2026-05-26 15:16:02] [INFO ] Flatten gal took : 300 ms
[2026-05-26 15:16:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 195 labels/synchronizations in 76 ms.
[2026-05-26 15:16:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2509031971232550718.gal : 25 ms
[2026-05-26 15:16:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15720678681649734798.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/ReachabilityCardinality2509031971232550718.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15720678681649734798.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/ReachabilityCardinality15720678681649734798.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :8 after 9
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :9 after 33
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :33 after 43
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :43 after 50
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :230 after 710
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :710 after 878
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 13/51 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 394/1286 variables, and 51 constraints, problems are : Problem set: 0 solved, 904 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/904 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41003ms problems are : Problem set: 0 solved, 904 unsolved
Search for dead transitions found 0 dead transitions in 41012ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41051 ms. Remains : 396/396 places, 906/906 transitions.
RANDOM walk for 40000 steps (18 resets) in 392 ms. (101 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :878 after 1186
BEST_FIRST walk for 40002 steps (12 resets) in 223 ms. (178 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (11 resets) in 202 ms. (197 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (9 resets) in 399 ms. (100 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :1186 after 1382
BEST_FIRST walk for 40003 steps (10 resets) in 382 ms. (104 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (9 resets) in 254 ms. (156 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :1382 after 2068
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :2068 after 2862
Interrupted probabilistic random walk after 154938 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :0 out of 5
Probabilistic random walk after 154938 steps, saw 86652 distinct states, run finished after 3007 ms. (steps per millisecond=51 ) properties seen :0
[2026-05-26 15:16:07] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:16:07] [INFO ] Invariant cache hit.
[2026-05-26 15:16:07] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 310/334 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/334 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 13/347 variables, 8/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:08] [INFO ] Deduced a trap composed of 163 places in 441 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:09] [INFO ] Deduced a trap composed of 177 places in 381 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:09] [INFO ] Deduced a trap composed of 177 places in 446 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,5 properties remain. new max is 8192
[2026-05-26 15:16:09] [INFO ] Deduced a trap composed of 191 places in 353 ms of which 62 ms to minimize.
SDD size :2862 after 4288
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:10] [INFO ] Deduced a trap composed of 177 places in 406 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:10] [INFO ] Deduced a trap composed of 191 places in 444 ms of which 99 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:11] [INFO ] Deduced a trap composed of 191 places in 347 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:11] [INFO ] Deduced a trap composed of 205 places in 319 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:11] [INFO ] Deduced a trap composed of 177 places in 381 ms of which 100 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 9/29 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 46/393 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:12] [INFO ] Deduced a trap composed of 40 places in 207 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:12] [INFO ] Deduced a trap composed of 40 places in 177 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:12] [INFO ] Deduced a trap composed of 40 places in 164 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:12] [INFO ] Deduced a trap composed of 40 places in 128 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:13] [INFO ] Deduced a trap composed of 40 places in 84 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:13] [INFO ] Deduced a trap composed of 40 places in 92 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 6/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/393 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 1/394 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 890/1284 variables, 394/448 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1284 variables, 96/544 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1284 variables, 0/544 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 2/1286 variables, 2/546 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1286 variables, 1/547 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1286 variables, 0/547 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 0/1286 variables, 0/547 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1286/1286 variables, and 547 constraints, problems are : Problem set: 0 solved, 5 unsolved in 9718 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 396/396 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 310/334 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/334 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 13/347 variables, 8/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/347 variables, 9/29 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/347 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 46/393 variables, 18/47 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 6/53 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:18] [INFO ] Deduced a trap composed of 40 places in 68 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/393 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/393 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 1/394 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/394 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 890/1284 variables, 394/449 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1284 variables, 96/545 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1284 variables, 5/550 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:23] [INFO ] Deduced a trap composed of 132 places in 417 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:16:23] [INFO ] Deduced a trap composed of 140 places in 375 ms of which 47 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1284 variables, 2/552 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 16384
SDD size :4288 after 11938
At refinement iteration 16 (INCLUDED_ONLY) 0/1284 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 2/1286 variables, 2/554 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1286 variables, 1/555 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1286 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (OVERLAPS) 0/1286 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1286/1286 variables, and 555 constraints, problems are : Problem set: 0 solved, 5 unsolved in 23257 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 396/396 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 32992ms problems are : Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 32768
SDD size :22438 after 57813
Detected timeout of ITS tools.
Parikh walk visited 0 properties in 20979 ms.
Support contains 24 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 19 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 396/396 places, 906/906 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 18 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
[2026-05-26 15:17:01] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:17:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:17:03] [INFO ] Implicit Places using invariants in 1766 ms returned []
[2026-05-26 15:17:03] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:17:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:17:04] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:17:13] [INFO ] Implicit Places using invariants and state equation in 10014 ms returned []
Implicit Place search using SMT with State Equation took 11787 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:17:13] [INFO ] Redundant transitions in 38 ms returned []
Running 904 sub problems to find dead transitions.
[2026-05-26 15:17:13] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:17:13] [INFO ] Invariant cache hit.
[2026-05-26 15:17:13] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:25] [INFO ] Deduced a trap composed of 40 places in 159 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:26] [INFO ] Deduced a trap composed of 40 places in 158 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:26] [INFO ] Deduced a trap composed of 40 places in 165 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:26] [INFO ] Deduced a trap composed of 40 places in 109 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:26] [INFO ] Deduced a trap composed of 40 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:26] [INFO ] Deduced a trap composed of 40 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:26] [INFO ] Deduced a trap composed of 40 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:27] [INFO ] Deduced a trap composed of 133 places in 531 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:27] [INFO ] Deduced a trap composed of 140 places in 505 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:28] [INFO ] Deduced a trap composed of 31 places in 238 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:28] [INFO ] Deduced a trap composed of 40 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:33] [INFO ] Deduced a trap composed of 125 places in 542 ms of which 86 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:34] [INFO ] Deduced a trap composed of 19 places in 581 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:38] [INFO ] Deduced a trap composed of 134 places in 612 ms of which 106 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:17:39] [INFO ] Deduced a trap composed of 106 places in 322 ms of which 62 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 15/53 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 394/1286 variables, and 53 constraints, problems are : Problem set: 0 solved, 904 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 904/904 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 15/53 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 394/1286 variables, and 53 constraints, problems are : Problem set: 0 solved, 904 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/904 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60896ms problems are : Problem set: 0 solved, 904 unsolved
Search for dead transitions found 0 dead transitions in 60901ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72756 ms. Remains : 396/396 places, 906/906 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 0, 0] Max Struct:[20, 4, 3]
Starting property specific reduction for PolyORBLF-COL-S02J04T08-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[20]
[2026-05-26 15:18:14] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:18:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[20]
RANDOM walk for 10000 steps (5 resets) in 39 ms. (250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 20 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[20]
[2026-05-26 15:18:14] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:18:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:18:14] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-26 15:18:14] [INFO ] [Real]Absence check using 10 positive and 30 generalized place invariants in 27 ms returned sat
[2026-05-26 15:18:15] [INFO ] [Real]Absence check using state equation in 405 ms returned sat
[2026-05-26 15:18:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:18:15] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-26 15:18:15] [INFO ] [Nat]Absence check using 10 positive and 30 generalized place invariants in 28 ms returned sat
[2026-05-26 15:18:15] [INFO ] [Nat]Absence check using state equation in 370 ms returned sat
[2026-05-26 15:18:15] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:18:16] [INFO ] [Nat]Added 96 Read/Feed constraints in 358 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:16] [INFO ] Deduced a trap composed of 125 places in 394 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:17] [INFO ] Deduced a trap composed of 19 places in 361 ms of which 28 ms to minimize.
[2026-05-26 15:18:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 900 ms
[2026-05-26 15:18:17] [INFO ] Computed and/alt/rep : 416/1357/408 causal constraints (skipped 480 transitions) in 66 ms.
[2026-05-26 15:18:18] [INFO ] Added : 41 causal constraints over 9 iterations in 1568 ms. Result :sat
Minimization took 565 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[20]
Support contains 8 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 24 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Running 904 sub problems to find dead transitions.
[2026-05-26 15:18:19] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:18:19] [INFO ] Invariant cache hit.
[2026-05-26 15:18:19] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:30] [INFO ] Deduced a trap composed of 40 places in 131 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:31] [INFO ] Deduced a trap composed of 40 places in 106 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:31] [INFO ] Deduced a trap composed of 40 places in 123 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:31] [INFO ] Deduced a trap composed of 40 places in 87 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:31] [INFO ] Deduced a trap composed of 40 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:31] [INFO ] Deduced a trap composed of 40 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:31] [INFO ] Deduced a trap composed of 40 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:32] [INFO ] Deduced a trap composed of 133 places in 408 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:32] [INFO ] Deduced a trap composed of 140 places in 599 ms of which 113 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:32] [INFO ] Deduced a trap composed of 31 places in 181 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:33] [INFO ] Deduced a trap composed of 40 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:39] [INFO ] Deduced a trap composed of 125 places in 591 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:40] [INFO ] Deduced a trap composed of 19 places in 766 ms of which 39 ms to minimize.
SMT process timed out in 20983ms, After SMT, problems are : Problem set: 0 solved, 904 unsolved
Search for dead transitions found 0 dead transitions in 20986ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21012 ms. Remains : 396/396 places, 906/906 transitions.
[2026-05-26 15:18:40] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:18:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[20]
RANDOM walk for 1000000 steps (404 resets) in 4183 ms. (239 steps per ms)
BEST_FIRST walk for 1000001 steps (161 resets) in 2091 ms. (478 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[20]
[2026-05-26 15:18:46] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:18:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:18:46] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-26 15:18:46] [INFO ] [Real]Absence check using 10 positive and 30 generalized place invariants in 42 ms returned sat
[2026-05-26 15:18:47] [INFO ] [Real]Absence check using state equation in 387 ms returned sat
[2026-05-26 15:18:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:18:47] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-26 15:18:47] [INFO ] [Nat]Absence check using 10 positive and 30 generalized place invariants in 28 ms returned sat
[2026-05-26 15:18:47] [INFO ] [Nat]Absence check using state equation in 359 ms returned sat
[2026-05-26 15:18:47] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:18:47] [INFO ] [Nat]Added 96 Read/Feed constraints in 353 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:48] [INFO ] Deduced a trap composed of 125 places in 429 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:18:48] [INFO ] Deduced a trap composed of 19 places in 361 ms of which 27 ms to minimize.
[2026-05-26 15:18:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 940 ms
[2026-05-26 15:18:48] [INFO ] Computed and/alt/rep : 416/1357/408 causal constraints (skipped 480 transitions) in 76 ms.
[2026-05-26 15:18:50] [INFO ] Added : 41 causal constraints over 9 iterations in 1549 ms. Result :sat
Minimization took 3770 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[20]
Support contains 8 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 20 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 396/396 places, 906/906 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 19 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
[2026-05-26 15:18:54] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:18:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:18:56] [INFO ] Implicit Places using invariants in 1559 ms returned []
[2026-05-26 15:18:56] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:18:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:18:57] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:19:06] [INFO ] Implicit Places using invariants and state equation in 10281 ms returned []
Implicit Place search using SMT with State Equation took 11841 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:19:06] [INFO ] Redundant transitions in 14 ms returned []
Running 904 sub problems to find dead transitions.
[2026-05-26 15:19:06] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:19:06] [INFO ] Invariant cache hit.
[2026-05-26 15:19:06] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:18] [INFO ] Deduced a trap composed of 40 places in 179 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:19] [INFO ] Deduced a trap composed of 40 places in 155 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:19] [INFO ] Deduced a trap composed of 40 places in 187 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:19] [INFO ] Deduced a trap composed of 40 places in 119 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:19] [INFO ] Deduced a trap composed of 40 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:19] [INFO ] Deduced a trap composed of 40 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:19] [INFO ] Deduced a trap composed of 40 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:20] [INFO ] Deduced a trap composed of 133 places in 671 ms of which 106 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:20] [INFO ] Deduced a trap composed of 140 places in 423 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:21] [INFO ] Deduced a trap composed of 31 places in 194 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:21] [INFO ] Deduced a trap composed of 40 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:28] [INFO ] Deduced a trap composed of 125 places in 431 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:28] [INFO ] Deduced a trap composed of 19 places in 448 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:33] [INFO ] Deduced a trap composed of 134 places in 642 ms of which 105 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:19:34] [INFO ] Deduced a trap composed of 106 places in 609 ms of which 99 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 394/1286 variables, and 53 constraints, problems are : Problem set: 0 solved, 904 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 904/904 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 15/53 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 394/1286 variables, and 53 constraints, problems are : Problem set: 0 solved, 904 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/904 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60733ms problems are : Problem set: 0 solved, 904 unsolved
Search for dead transitions found 0 dead transitions in 60737ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72621 ms. Remains : 396/396 places, 906/906 transitions.
RANDOM walk for 40000 steps (17 resets) in 675 ms. (59 steps per ms) remains 2/2 properties
[2026-05-26 15:20:08] [INFO ] Flatten gal took : 341 ms
BEST_FIRST walk for 40003 steps (12 resets) in 261 ms. (152 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 189 ms. (210 steps per ms) remains 2/2 properties
[2026-05-26 15:20:08] [INFO ] Flatten gal took : 132 ms
[2026-05-26 15:20:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4013208011235383894.gal : 21 ms
[2026-05-26 15:20:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16623707083236339564.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/ReachabilityCardinality4013208011235383894.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16623707083236339564.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/ReachabilityCardinality16623707083236339564.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :8 after 10
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :10 after 50
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :230 after 2114
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2114 after 3202
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3202 after 3451
Interrupted probabilistic random walk after 193884 steps, run timeout after 3001 ms. (steps per millisecond=64 ) properties seen :0 out of 2
Probabilistic random walk after 193884 steps, saw 107222 distinct states, run finished after 3009 ms. (steps per millisecond=64 ) properties seen :0
[2026-05-26 15:20:11] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:20:11] [INFO ] Invariant cache hit.
[2026-05-26 15:20:11] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 325/333 variables, 11/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/333 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/346 variables, 8/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 47/393 variables, 19/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:11] [INFO ] Deduced a trap composed of 40 places in 185 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:11] [INFO ] Deduced a trap composed of 40 places in 265 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:11] [INFO ] Deduced a trap composed of 40 places in 201 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3451 after 5398
[2026-05-26 15:20:12] [INFO ] Deduced a trap composed of 40 places in 158 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:12] [INFO ] Deduced a trap composed of 40 places in 87 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 5/43 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 0/43 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/394 variables, 1/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 890/1284 variables, 394/438 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1284 variables, 96/534 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1284 variables, 0/534 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/1286 variables, 2/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1286 variables, 1/537 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1286 variables, 0/537 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1286 variables, 0/537 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1286/1286 variables, and 537 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1948 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 396/396 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 325/333 variables, 11/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/333 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/346 variables, 8/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 47/393 variables, 19/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 5/43 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 0/43 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/394 variables, 1/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 890/1284 variables, 394/438 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1284/1286 variables, and 534 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1905 ms.
Refiners :[Positive P Invariants (semi-flows): 9/10 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 394/396 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3869ms problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 35 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Running 904 sub problems to find dead transitions.
[2026-05-26 15:20:15] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:20:15] [INFO ] Invariant cache hit.
[2026-05-26 15:20:15] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :5398 after 7776
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :7776 after 45292
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:25] [INFO ] Deduced a trap composed of 40 places in 127 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:25] [INFO ] Deduced a trap composed of 40 places in 104 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:25] [INFO ] Deduced a trap composed of 40 places in 102 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:25] [INFO ] Deduced a trap composed of 40 places in 68 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:26] [INFO ] Deduced a trap composed of 40 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:26] [INFO ] Deduced a trap composed of 40 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:26] [INFO ] Deduced a trap composed of 40 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:26] [INFO ] Deduced a trap composed of 133 places in 414 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:27] [INFO ] Deduced a trap composed of 140 places in 424 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:27] [INFO ] Deduced a trap composed of 31 places in 176 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:27] [INFO ] Deduced a trap composed of 40 places in 40 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :45292 after 155158
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:33] [INFO ] Deduced a trap composed of 125 places in 497 ms of which 88 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:20:33] [INFO ] Deduced a trap composed of 19 places in 525 ms of which 44 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 394/1286 variables, and 51 constraints, problems are : Problem set: 0 solved, 904 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 904/904 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :155158 after 268043
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 13/51 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 394/1286 variables, and 51 constraints, problems are : Problem set: 0 solved, 904 unsolved in 20037 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/904 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40929ms problems are : Problem set: 0 solved, 904 unsolved
Search for dead transitions found 0 dead transitions in 40933ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40970 ms. Remains : 396/396 places, 906/906 transitions.
RANDOM walk for 40000 steps (13 resets) in 299 ms. (133 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (14 resets) in 186 ms. (213 steps per ms) remains 1/1 properties
Detected timeout of ITS tools.
[2026-05-26 15:20:58] [INFO ] Flatten gal took : 67 ms
[2026-05-26 15:20:58] [INFO ] Applying decomposition
[2026-05-26 15:20:58] [INFO ] Flatten gal took : 48 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/graph8981978763607603631.txt' '-o' '/tmp/graph8981978763607603631.bin' '-w' '/tmp/graph8981978763607603631.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8981978763607603631.bin' '-l' '-1' '-v' '-w' '/tmp/graph8981978763607603631.weights' '-q' '0' '-e' '0.001'
[2026-05-26 15:20:58] [INFO ] Decomposing Gal with order
[2026-05-26 15:20:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 15:20:58] [INFO ] Removed a total of 635 redundant transitions.
[2026-05-26 15:20:58] [INFO ] Flatten gal took : 184 ms
[2026-05-26 15:20:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 303 labels/synchronizations in 27 ms.
[2026-05-26 15:20:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11866742563271020072.gal : 11 ms
[2026-05-26 15:20:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14413439418303985105.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/ReachabilityCardinality11866742563271020072.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14413439418303985105.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Interrupted probabilistic random walk after 223928 steps, run timeout after 3001 ms. (steps per millisecond=74 ) properties seen :0 out of 1
Probabilistic random walk after 223928 steps, saw 122773 distinct states, run finished after 3001 ms. (steps per millisecond=74 ) properties seen :0
[2026-05-26 15:20:59] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:20:59] [INFO ] Invariant cache hit.
[2026-05-26 15:20:59] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality14413439418303985105.prop.
At refinement iteration 1 (OVERLAPS) 325/333 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/333 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 13/346 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 47/393 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/394 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/394 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 12
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :12 after 13
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13 after 17
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17 after 37
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :37 after 60
At refinement iteration 9 (OVERLAPS) 890/1284 variables, 394/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :60 after 106
At refinement iteration 10 (INCLUDED_ONLY) 0/1284 variables, 96/529 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1284 variables, 0/529 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/1286 variables, 2/531 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1286 variables, 1/532 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1286 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/1286 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1286/1286 variables, and 532 constraints, problems are : Problem set: 0 solved, 1 unsolved in 701 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 396/396 constraints, ReadFeed: 96/96 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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 325/333 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/333 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 13/346 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/346 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 47/393 variables, 19/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :106 after 610
[2026-05-26 15:21:00] [INFO ] Deduced a trap composed of 40 places in 194 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:00] [INFO ] Deduced a trap composed of 40 places in 161 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:00] [INFO ] Deduced a trap composed of 40 places in 124 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:00] [INFO ] Deduced a trap composed of 40 places in 100 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:00] [INFO ] Deduced a trap composed of 40 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:00] [INFO ] Deduced a trap composed of 40 places in 44 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 6/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/394 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :610 after 2361
At refinement iteration 9 (INCLUDED_ONLY) 0/394 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 890/1284 variables, 394/439 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2361 after 5414
At refinement iteration 11 (INCLUDED_ONLY) 0/1284 variables, 96/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1284 variables, 1/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:03] [INFO ] Deduced a trap composed of 140 places in 416 ms of which 74 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1284 variables, 1/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1284 variables, 0/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/1286 variables, 2/539 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1286 variables, 1/540 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1286 variables, 0/540 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1286 variables, 0/540 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1286/1286 variables, and 540 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4358 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 396/396 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5070ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 8 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 17 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 396/396 places, 906/906 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Applied a total of 0 rules in 16 ms. Remains 396 /396 variables (removed 0) and now considering 906/906 (removed 0) transitions.
[2026-05-26 15:21:04] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:21:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:21:05] [INFO ] Implicit Places using invariants in 1532 ms returned []
[2026-05-26 15:21:05] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:21:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:21:06] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :5414 after 15872
[2026-05-26 15:21:15] [INFO ] Implicit Places using invariants and state equation in 9616 ms returned []
Implicit Place search using SMT with State Equation took 11150 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:21:15] [INFO ] Redundant transitions in 9 ms returned []
Running 904 sub problems to find dead transitions.
[2026-05-26 15:21:15] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:21:15] [INFO ] Invariant cache hit.
[2026-05-26 15:21:15] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :15872 after 29861
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:25] [INFO ] Deduced a trap composed of 40 places in 141 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:25] [INFO ] Deduced a trap composed of 40 places in 109 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:25] [INFO ] Deduced a trap composed of 40 places in 107 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:25] [INFO ] Deduced a trap composed of 40 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:25] [INFO ] Deduced a trap composed of 40 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:25] [INFO ] Deduced a trap composed of 40 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:26] [INFO ] Deduced a trap composed of 40 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:26] [INFO ] Deduced a trap composed of 133 places in 446 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:26] [INFO ] Deduced a trap composed of 140 places in 447 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:27] [INFO ] Deduced a trap composed of 31 places in 183 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:27] [INFO ] Deduced a trap composed of 40 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:33] [INFO ] Deduced a trap composed of 125 places in 419 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:33] [INFO ] Deduced a trap composed of 19 places in 310 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:37] [INFO ] Deduced a trap composed of 134 places in 387 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:21:37] [INFO ] Deduced a trap composed of 106 places in 378 ms of which 61 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 15/53 constraints. Problems are: Problem set: 0 solved, 904 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :29861 after 65057
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 394/1286 variables, and 53 constraints, problems are : Problem set: 0 solved, 904 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 904/904 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 904 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/394 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Detected timeout of ITS tools.
At refinement iteration 1 (INCLUDED_ONLY) 0/394 variables, 28/38 constraints. Problems are: Problem set: 0 solved, 904 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 15/53 constraints. Problems are: Problem set: 0 solved, 904 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 394/1286 variables, and 53 constraints, problems are : Problem set: 0 solved, 904 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 28/30 constraints, State Equation: 0/396 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/904 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60836ms problems are : Problem set: 0 solved, 904 unsolved
Search for dead transitions found 0 dead transitions in 60839ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72029 ms. Remains : 396/396 places, 906/906 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[20]
Ending property specific reduction for PolyORBLF-COL-S02J04T08-UpperBounds-02 in 241565 ms.
Starting property specific reduction for PolyORBLF-COL-S02J04T08-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[4]
[2026-05-26 15:22:16] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:22:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 10000 steps (3 resets) in 61 ms. (161 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 31 ms. (312 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[4]
[2026-05-26 15:22:16] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:22:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:22:16] [INFO ] [Real]Absence check using 10 positive place invariants in 11 ms returned sat
[2026-05-26 15:22:16] [INFO ] [Real]Absence check using 10 positive and 30 generalized place invariants in 41 ms returned sat
[2026-05-26 15:22:17] [INFO ] [Real]Absence check using state equation in 743 ms returned sat
[2026-05-26 15:22:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:22:17] [INFO ] [Nat]Absence check using 10 positive place invariants in 12 ms returned sat
[2026-05-26 15:22:17] [INFO ] [Nat]Absence check using 10 positive and 30 generalized place invariants in 42 ms returned sat
[2026-05-26 15:22:18] [INFO ] [Nat]Absence check using state equation in 862 ms returned sat
[2026-05-26 15:22:18] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:22:18] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 15:22:19] [INFO ] [Nat]Added 96 Read/Feed constraints in 1023 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[4]
Support contains 8 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 388 transition count 898
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 24 place count 388 transition count 890
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 32 place count 380 transition count 890
Applied a total of 32 rules in 72 ms. Remains 380 /396 variables (removed 16) and now considering 890/906 (removed 16) transitions.
Running 888 sub problems to find dead transitions.
[2026-05-26 15:22:19] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
// Phase 1: matrix 874 rows 380 cols
[2026-05-26 15:22:19] [INFO ] Computed 40 invariants in 15 ms
[2026-05-26 15:22:19] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:36] [INFO ] Deduced a trap composed of 38 places in 109 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:36] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:36] [INFO ] Deduced a trap composed of 31 places in 313 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:36] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:37] [INFO ] Deduced a trap composed of 38 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:37] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:37] [INFO ] Deduced a trap composed of 38 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:37] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:37] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:22:39] [INFO ] Deduced a trap composed of 218 places in 356 ms of which 59 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 378/1254 variables, and 48 constraints, problems are : Problem set: 0 solved, 888 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 888/888 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 10/48 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 378/1254 variables, and 48 constraints, problems are : Problem set: 0 solved, 888 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/888 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41395ms problems are : Problem set: 0 solved, 888 unsolved
Search for dead transitions found 0 dead transitions in 41398ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41474 ms. Remains : 380/396 places, 890/906 transitions.
[2026-05-26 15:23:00] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:23:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 1000000 steps (442 resets) in 4300 ms. (232 steps per ms)
BEST_FIRST walk for 1000000 steps (167 resets) in 2274 ms. (439 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[4]
[2026-05-26 15:23:07] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:23:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:23:07] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2026-05-26 15:23:07] [INFO ] [Real]Absence check using 13 positive and 27 generalized place invariants in 26 ms returned sat
[2026-05-26 15:23:08] [INFO ] [Real]Absence check using state equation in 459 ms returned sat
[2026-05-26 15:23:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:23:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 12 ms returned sat
[2026-05-26 15:23:08] [INFO ] [Nat]Absence check using 13 positive and 27 generalized place invariants in 24 ms returned sat
[2026-05-26 15:23:19] [INFO ] [Nat]Absence check using state equation in 11380 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[4]
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 26 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 380/380 places, 890/890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 25 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
[2026-05-26 15:23:19] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:23:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:23:21] [INFO ] Implicit Places using invariants in 1762 ms returned []
[2026-05-26 15:23:21] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:23:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:23:22] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:23:29] [INFO ] Implicit Places using invariants and state equation in 8246 ms returned []
Implicit Place search using SMT with State Equation took 10010 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:23:29] [INFO ] Redundant transitions in 8 ms returned []
Running 888 sub problems to find dead transitions.
[2026-05-26 15:23:29] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:23:29] [INFO ] Invariant cache hit.
[2026-05-26 15:23:29] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:42] [INFO ] Deduced a trap composed of 38 places in 205 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:43] [INFO ] Deduced a trap composed of 38 places in 199 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:43] [INFO ] Deduced a trap composed of 38 places in 107 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:43] [INFO ] Deduced a trap composed of 38 places in 104 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:44] [INFO ] Deduced a trap composed of 38 places in 109 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:45] [INFO ] Deduced a trap composed of 38 places in 117 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:45] [INFO ] Deduced a trap composed of 38 places in 113 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:46] [INFO ] Deduced a trap composed of 38 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:23:49] [INFO ] Deduced a trap composed of 218 places in 596 ms of which 98 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:00] [INFO ] Deduced a trap composed of 125 places in 667 ms of which 113 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:00] [INFO ] Deduced a trap composed of 19 places in 558 ms of which 40 ms to minimize.
SMT process timed out in 31294ms, After SMT, problems are : Problem set: 0 solved, 888 unsolved
Search for dead transitions found 0 dead transitions in 31297ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41349 ms. Remains : 380/380 places, 890/890 transitions.
[2026-05-26 15:24:01] [INFO ] Flatten gal took : 72 ms
[2026-05-26 15:24:01] [INFO ] Flatten gal took : 69 ms
RANDOM walk for 40000 steps (16 resets) in 453 ms. (88 steps per ms) remains 2/2 properties
[2026-05-26 15:24:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14706978448146167557.gal : 19 ms
[2026-05-26 15:24:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1303281195135538169.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/ReachabilityCardinality14706978448146167557.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1303281195135538169.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
BEST_FIRST walk for 40003 steps (11 resets) in 207 ms. (192 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (10 resets) in 299 ms. (133 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality1303281195135538169.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :9 after 33
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :33 after 49
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :49 after 50
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :50 after 290
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :290 after 663
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :663 after 1954
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1954 after 5299
Interrupted probabilistic random walk after 194331 steps, run timeout after 3001 ms. (steps per millisecond=64 ) properties seen :0 out of 2
Probabilistic random walk after 194331 steps, saw 107633 distinct states, run finished after 3001 ms. (steps per millisecond=64 ) properties seen :0
[2026-05-26 15:24:04] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:24:04] [INFO ] Invariant cache hit.
[2026-05-26 15:24:04] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 135/143 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/166 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/176 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 195/371 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:04] [INFO ] Deduced a trap composed of 38 places in 286 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:05] [INFO ] Deduced a trap composed of 38 places in 224 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:05] [INFO ] Deduced a trap composed of 38 places in 205 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:05] [INFO ] Deduced a trap composed of 38 places in 114 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:05] [INFO ] Deduced a trap composed of 38 places in 86 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/375 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/378 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 874/1252 variables, 378/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/1252 variables, 96/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1252 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/1254 variables, 2/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1254 variables, 1/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1254 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1254 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1254/1254 variables, and 521 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2609 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 380/380 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 135/143 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/166 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/176 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 195/371 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/375 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/378 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 874/1252 variables, 378/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5299 after 13246
After SMT solving in domain Int declared 1252/1254 variables, and 518 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2463 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 378/380 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5086ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 100 ms.
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 15 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Running 888 sub problems to find dead transitions.
[2026-05-26 15:24:09] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:24:09] [INFO ] Invariant cache hit.
[2026-05-26 15:24:09] [INFO ] State equation strengthened by 96 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 16384
SDD size :13246 after 18616
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:22] [INFO ] Deduced a trap composed of 38 places in 237 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:23] [INFO ] Deduced a trap composed of 38 places in 151 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:23] [INFO ] Deduced a trap composed of 38 places in 99 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:23] [INFO ] Deduced a trap composed of 38 places in 109 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:24] [INFO ] Deduced a trap composed of 38 places in 112 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:25] [INFO ] Deduced a trap composed of 38 places in 96 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:25] [INFO ] Deduced a trap composed of 38 places in 111 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:25] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:28] [INFO ] Deduced a trap composed of 218 places in 563 ms of which 101 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 378/1254 variables, and 47 constraints, problems are : Problem set: 0 solved, 888 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 888/888 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :18616 after 28404
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 9/47 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:46] [INFO ] Deduced a trap composed of 31 places in 322 ms of which 36 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 378/1254 variables, and 48 constraints, problems are : Problem set: 0 solved, 888 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/888 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41054ms problems are : Problem set: 0 solved, 888 unsolved
Search for dead transitions found 0 dead transitions in 41056ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41073 ms. Remains : 380/380 places, 890/890 transitions.
RANDOM walk for 40000 steps (25 resets) in 303 ms. (131 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (10 resets) in 209 ms. (190 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (9 resets) in 236 ms. (168 steps per ms) remains 2/2 properties
Detected timeout of ITS tools.
[2026-05-26 15:24:51] [INFO ] Flatten gal took : 41 ms
[2026-05-26 15:24:51] [INFO ] Applying decomposition
[2026-05-26 15:24:51] [INFO ] Flatten gal took : 40 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/graph13899283101358758193.txt' '-o' '/tmp/graph13899283101358758193.bin' '-w' '/tmp/graph13899283101358758193.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13899283101358758193.bin' '-l' '-1' '-v' '-w' '/tmp/graph13899283101358758193.weights' '-q' '0' '-e' '0.001'
[2026-05-26 15:24:51] [INFO ] Decomposing Gal with order
[2026-05-26 15:24:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 15:24:51] [INFO ] Removed a total of 705 redundant transitions.
[2026-05-26 15:24:51] [INFO ] Flatten gal took : 219 ms
[2026-05-26 15:24:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 476 labels/synchronizations in 62 ms.
[2026-05-26 15:24:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1196082848930016613.gal : 15 ms
[2026-05-26 15:24:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7815427315068235275.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/ReachabilityCardinality1196082848930016613.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7815427315068235275.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7815427315068235275.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 9
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :9 after 14
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :14 after 22
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :22 after 29
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :29 after 44
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :44 after 74
Interrupted probabilistic random walk after 179863 steps, run timeout after 3001 ms. (steps per millisecond=59 ) properties seen :0 out of 2
Probabilistic random walk after 179863 steps, saw 100033 distinct states, run finished after 3001 ms. (steps per millisecond=59 ) properties seen :0
[2026-05-26 15:24:53] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:24:53] [INFO ] Invariant cache hit.
[2026-05-26 15:24:53] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 135/143 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/166 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/176 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :74 after 320
At refinement iteration 7 (OVERLAPS) 195/371 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:54] [INFO ] Deduced a trap composed of 38 places in 183 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:54] [INFO ] Deduced a trap composed of 38 places in 213 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:54] [INFO ] Deduced a trap composed of 38 places in 144 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:54] [INFO ] Deduced a trap composed of 38 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:24:54] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/375 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/378 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 874/1252 variables, 378/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/1252 variables, 96/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1252 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/1254 variables, 2/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1254 variables, 1/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1254 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1254 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1254/1254 variables, and 521 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2000 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 380/380 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 135/143 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/166 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/176 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 195/371 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/375 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/378 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 874/1252 variables, 378/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :320 after 752
At refinement iteration 15 (INCLUDED_ONLY) 0/1252 variables, 96/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1252 variables, 2/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1252 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/1254 variables, 2/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1254 variables, 1/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :752 after 1750
At refinement iteration 20 (INCLUDED_ONLY) 0/1254 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/1254 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1254/1254 variables, and 523 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3000 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 380/380 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5012ms problems are : Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1750 after 4628
Parikh walk visited 0 properties in 2166 ms.
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 23 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 380/380 places, 890/890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 19 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
[2026-05-26 15:25:01] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:25:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:25:02] [INFO ] Implicit Places using invariants in 1402 ms returned []
[2026-05-26 15:25:02] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:25:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:25:02] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :4628 after 14557
[2026-05-26 15:25:10] [INFO ] Implicit Places using invariants and state equation in 7994 ms returned []
Implicit Place search using SMT with State Equation took 9400 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:25:10] [INFO ] Redundant transitions in 14 ms returned []
Running 888 sub problems to find dead transitions.
[2026-05-26 15:25:10] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:25:10] [INFO ] Invariant cache hit.
[2026-05-26 15:25:10] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:23] [INFO ] Deduced a trap composed of 38 places in 227 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:23] [INFO ] Deduced a trap composed of 38 places in 177 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:23] [INFO ] Deduced a trap composed of 38 places in 100 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:24] [INFO ] Deduced a trap composed of 38 places in 110 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:25] [INFO ] Deduced a trap composed of 38 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:26] [INFO ] Deduced a trap composed of 38 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:26] [INFO ] Deduced a trap composed of 38 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:26] [INFO ] Deduced a trap composed of 38 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:28] [INFO ] Deduced a trap composed of 218 places in 335 ms of which 62 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :14557 after 53109
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:36] [INFO ] Deduced a trap composed of 125 places in 435 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:36] [INFO ] Deduced a trap composed of 19 places in 390 ms of which 27 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 11/49 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:25:39] [INFO ] Deduced a trap composed of 140 places in 419 ms of which 70 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 378/1254 variables, and 50 constraints, problems are : Problem set: 0 solved, 888 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 888/888 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 12/50 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:00] [INFO ] Deduced a trap composed of 31 places in 183 ms of which 23 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 378/1254 variables, and 51 constraints, problems are : Problem set: 0 solved, 888 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/888 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61188ms problems are : Problem set: 0 solved, 888 unsolved
Search for dead transitions found 0 dead transitions in 61191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70637 ms. Remains : 380/380 places, 890/890 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[4]
Ending property specific reduction for PolyORBLF-COL-S02J04T08-UpperBounds-10 in 235395 ms.
Starting property specific reduction for PolyORBLF-COL-S02J04T08-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[3]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3]
[2026-05-26 15:26:11] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
// Phase 1: matrix 890 rows 396 cols
[2026-05-26 15:26:11] [INFO ] Computed 40 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3]
RANDOM walk for 10000 steps (3 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10000 steps (5 resets) in 20 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3]
[2026-05-26 15:26:11] [INFO ] Flow matrix only has 890 transitions (discarded 16 similar events)
[2026-05-26 15:26:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:26:11] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-26 15:26:11] [INFO ] [Real]Absence check using 10 positive and 30 generalized place invariants in 42 ms returned sat
[2026-05-26 15:26:12] [INFO ] [Real]Absence check using state equation in 518 ms returned sat
[2026-05-26 15:26:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:26:12] [INFO ] [Nat]Absence check using 10 positive place invariants in 8 ms returned sat
[2026-05-26 15:26:12] [INFO ] [Nat]Absence check using 10 positive and 30 generalized place invariants in 25 ms returned sat
[2026-05-26 15:26:13] [INFO ] [Nat]Absence check using state equation in 1177 ms returned sat
[2026-05-26 15:26:13] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:26:14] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 15:26:14] [INFO ] [Nat]Added 96 Read/Feed constraints in 1027 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3]
Support contains 8 out of 396 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 396/396 places, 906/906 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 388 transition count 898
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 24 place count 388 transition count 890
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 32 place count 380 transition count 890
Applied a total of 32 rules in 45 ms. Remains 380 /396 variables (removed 16) and now considering 890/906 (removed 16) transitions.
Running 888 sub problems to find dead transitions.
[2026-05-26 15:26:14] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
// Phase 1: matrix 874 rows 380 cols
[2026-05-26 15:26:14] [INFO ] Computed 40 invariants in 13 ms
[2026-05-26 15:26:14] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:27] [INFO ] Deduced a trap composed of 38 places in 79 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:27] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:28] [INFO ] Deduced a trap composed of 31 places in 211 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:28] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:28] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:28] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:28] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:28] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:28] [INFO ] Deduced a trap composed of 38 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:30] [INFO ] Deduced a trap composed of 218 places in 401 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:34] [INFO ] Deduced a trap composed of 134 places in 422 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:26:35] [INFO ] Deduced a trap composed of 106 places in 500 ms of which 97 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 378/1254 variables, and 50 constraints, problems are : Problem set: 0 solved, 888 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 888/888 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 12/50 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 378/1254 variables, and 50 constraints, problems are : Problem set: 0 solved, 888 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/888 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40808ms problems are : Problem set: 0 solved, 888 unsolved
Search for dead transitions found 0 dead transitions in 40811ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40858 ms. Remains : 380/396 places, 890/906 transitions.
[2026-05-26 15:26:55] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:26:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3]
RANDOM walk for 1000000 steps (424 resets) in 4847 ms. (206 steps per ms)
BEST_FIRST walk for 1000001 steps (177 resets) in 2529 ms. (395 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3]
[2026-05-26 15:27:03] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:27:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:27:03] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2026-05-26 15:27:03] [INFO ] [Real]Absence check using 13 positive and 27 generalized place invariants in 32 ms returned sat
[2026-05-26 15:27:03] [INFO ] [Real]Absence check using state equation in 496 ms returned sat
[2026-05-26 15:27:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:27:03] [INFO ] [Nat]Absence check using 13 positive place invariants in 13 ms returned sat
[2026-05-26 15:27:03] [INFO ] [Nat]Absence check using 13 positive and 27 generalized place invariants in 24 ms returned sat
[2026-05-26 15:27:04] [INFO ] [Nat]Absence check using state equation in 706 ms returned sat
[2026-05-26 15:27:04] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:27:09] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 15:27:13] [INFO ] [Nat]Added 96 Read/Feed constraints in 9039 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3]
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 36 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 380/380 places, 890/890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 25 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
[2026-05-26 15:27:13] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:27:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:27:15] [INFO ] Implicit Places using invariants in 2021 ms returned []
[2026-05-26 15:27:15] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:27:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:27:16] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 15:27:24] [INFO ] Implicit Places using invariants and state equation in 9152 ms returned []
Implicit Place search using SMT with State Equation took 11189 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:27:24] [INFO ] Redundant transitions in 8 ms returned []
Running 888 sub problems to find dead transitions.
[2026-05-26 15:27:24] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:27:24] [INFO ] Invariant cache hit.
[2026-05-26 15:27:24] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:39] [INFO ] Deduced a trap composed of 38 places in 191 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:39] [INFO ] Deduced a trap composed of 38 places in 113 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:39] [INFO ] Deduced a trap composed of 38 places in 100 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:39] [INFO ] Deduced a trap composed of 38 places in 123 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:40] [INFO ] Deduced a trap composed of 38 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:41] [INFO ] Deduced a trap composed of 38 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:41] [INFO ] Deduced a trap composed of 38 places in 95 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:41] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:44] [INFO ] Deduced a trap composed of 218 places in 566 ms of which 102 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:55] [INFO ] Deduced a trap composed of 125 places in 693 ms of which 117 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:27:55] [INFO ] Deduced a trap composed of 19 places in 459 ms of which 25 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 378/1254 variables, and 49 constraints, problems are : Problem set: 0 solved, 888 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 888/888 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 11/49 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:15] [INFO ] Deduced a trap composed of 31 places in 354 ms of which 37 ms to minimize.
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(s338 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 378/1254 variables, and 50 constraints, problems are : Problem set: 0 solved, 888 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/888 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61292ms problems are : Problem set: 0 solved, 888 unsolved
Search for dead transitions found 0 dead transitions in 61295ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72528 ms. Remains : 380/380 places, 890/890 transitions.
[2026-05-26 15:28:26] [INFO ] Flatten gal took : 46 ms
[2026-05-26 15:28:26] [INFO ] Flatten gal took : 39 ms
[2026-05-26 15:28:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9181034567230871696.gal : 8 ms
[2026-05-26 15:28:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3899361546849609736.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/ReachabilityCardinality9181034567230871696.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3899361546849609736.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (22 resets) in 396 ms. (100 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (15 resets) in 217 ms. (183 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (11 resets) in 198 ms. (201 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality3899361546849609736.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :9 after 33
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :33 after 49
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :49 after 50
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :50 after 290
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :290 after 663
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :663 after 1954
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1954 after 5299
Interrupted probabilistic random walk after 189963 steps, run timeout after 3001 ms. (steps per millisecond=63 ) properties seen :0 out of 2
Probabilistic random walk after 189963 steps, saw 105402 distinct states, run finished after 3001 ms. (steps per millisecond=63 ) properties seen :0
[2026-05-26 15:28:29] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:28:29] [INFO ] Invariant cache hit.
[2026-05-26 15:28:29] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 135/143 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/166 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/176 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 195/371 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:29] [INFO ] Deduced a trap composed of 38 places in 185 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:30] [INFO ] Deduced a trap composed of 38 places in 175 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:30] [INFO ] Deduced a trap composed of 38 places in 139 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:30] [INFO ] Deduced a trap composed of 38 places in 104 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:30] [INFO ] Deduced a trap composed of 38 places in 73 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/375 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/378 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 874/1252 variables, 378/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/1252 variables, 96/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1252 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/1254 variables, 2/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1254 variables, 1/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1254 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1254 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1254/1254 variables, and 521 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1913 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 380/380 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 135/143 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/166 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/176 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 195/371 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/375 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/378 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 874/1252 variables, 378/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1252 variables, 96/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1252 variables, 2/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1252 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/1254 variables, 2/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1254 variables, 1/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:33] [INFO ] Deduced a trap composed of 19 places in 463 ms of which 46 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/1254 variables, 1/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1254 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/1254 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
SDD proceeding with computation,2 properties remain. new max is 8192
After SMT solving in domain Int declared 1254/1254 variables, and 524 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2698 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 380/380 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4624ms problems are : Problem set: 0 solved, 2 unsolved
SDD size :5299 after 13246
Parikh walk visited 0 properties in 239 ms.
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 22 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Running 888 sub problems to find dead transitions.
[2026-05-26 15:28:34] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:28:34] [INFO ] Invariant cache hit.
[2026-05-26 15:28:34] [INFO ] State equation strengthened by 96 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 16384
SDD size :13246 after 18616
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:48] [INFO ] Deduced a trap composed of 38 places in 133 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:48] [INFO ] Deduced a trap composed of 38 places in 107 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:48] [INFO ] Deduced a trap composed of 38 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:48] [INFO ] Deduced a trap composed of 38 places in 73 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:49] [INFO ] Deduced a trap composed of 38 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:50] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:50] [INFO ] Deduced a trap composed of 38 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:50] [INFO ] Deduced a trap composed of 38 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:28:52] [INFO ] Deduced a trap composed of 218 places in 373 ms of which 62 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 378/1254 variables, and 47 constraints, problems are : Problem set: 0 solved, 888 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 888/888 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :18616 after 28404
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 9/47 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:10] [INFO ] Deduced a trap composed of 31 places in 274 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:15] [INFO ] Deduced a trap composed of 63 places in 334 ms of which 56 ms to minimize.
SMT process timed out in 41235ms, After SMT, problems are : Problem set: 0 solved, 888 unsolved
Search for dead transitions found 0 dead transitions in 41240ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41265 ms. Remains : 380/380 places, 890/890 transitions.
RANDOM walk for 40000 steps (20 resets) in 373 ms. (106 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (11 resets) in 198 ms. (201 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (14 resets) in 180 ms. (221 steps per ms) remains 2/2 properties
Detected timeout of ITS tools.
[2026-05-26 15:29:16] [INFO ] Flatten gal took : 40 ms
[2026-05-26 15:29:16] [INFO ] Applying decomposition
[2026-05-26 15:29:16] [INFO ] Flatten gal took : 38 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/graph15263189418775262984.txt' '-o' '/tmp/graph15263189418775262984.bin' '-w' '/tmp/graph15263189418775262984.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15263189418775262984.bin' '-l' '-1' '-v' '-w' '/tmp/graph15263189418775262984.weights' '-q' '0' '-e' '0.001'
[2026-05-26 15:29:16] [INFO ] Decomposing Gal with order
[2026-05-26 15:29:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 15:29:16] [INFO ] Removed a total of 728 redundant transitions.
[2026-05-26 15:29:16] [INFO ] Flatten gal took : 102 ms
[2026-05-26 15:29:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 302 labels/synchronizations in 25 ms.
[2026-05-26 15:29:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3743788097391067556.gal : 9 ms
[2026-05-26 15:29:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15969597722043490027.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/ReachabilityCardinality3743788097391067556.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15969597722043490027.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/ReachabilityCardinality15969597722043490027.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :13 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 28
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :28 after 44
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :44 after 60
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :60 after 92
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :92 after 206
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :206 after 570
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :570 after 1794
Interrupted probabilistic random walk after 170697 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :0 out of 2
Probabilistic random walk after 170697 steps, saw 95167 distinct states, run finished after 3001 ms. (steps per millisecond=56 ) properties seen :0
[2026-05-26 15:29:18] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:29:18] [INFO ] Invariant cache hit.
[2026-05-26 15:29:18] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 135/143 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/166 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/176 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 195/371 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:19] [INFO ] Deduced a trap composed of 38 places in 285 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:19] [INFO ] Deduced a trap composed of 38 places in 206 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:19] [INFO ] Deduced a trap composed of 38 places in 198 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:20] [INFO ] Deduced a trap composed of 38 places in 124 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:20] [INFO ] Deduced a trap composed of 38 places in 90 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/375 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/378 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 874/1252 variables, 378/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1794 after 6038
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/1252 variables, 96/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1252 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/1254 variables, 2/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1254 variables, 1/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1254 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 0/1254 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1254/1254 variables, and 521 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2521 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 380/380 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 135/143 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/143 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/166 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/176 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 195/371 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 5/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/375 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/375 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/378 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 874/1252 variables, 378/422 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1252 variables, 96/518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1252 variables, 2/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:23] [INFO ] Deduced a trap composed of 140 places in 368 ms of which 78 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/1252 variables, 1/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1252 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/1254 variables, 2/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1254 variables, 1/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:24] [INFO ] Deduced a trap composed of 19 places in 422 ms of which 31 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/1254 variables, 1/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1254 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/1254 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1254/1254 variables, and 525 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4386 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 380/380 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6920ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 390 ms.
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 15 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 380/380 places, 890/890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 380/380 places, 890/890 transitions.
Applied a total of 0 rules in 15 ms. Remains 380 /380 variables (removed 0) and now considering 890/890 (removed 0) transitions.
[2026-05-26 15:29:26] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:29:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:29:27] [INFO ] Implicit Places using invariants in 1470 ms returned []
[2026-05-26 15:29:27] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:29:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:29:28] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :21340 after 21802
[2026-05-26 15:29:35] [INFO ] Implicit Places using invariants and state equation in 7883 ms returned []
Implicit Place search using SMT with State Equation took 9354 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:29:35] [INFO ] Redundant transitions in 9 ms returned []
Running 888 sub problems to find dead transitions.
[2026-05-26 15:29:35] [INFO ] Flow matrix only has 874 transitions (discarded 16 similar events)
[2026-05-26 15:29:35] [INFO ] Invariant cache hit.
[2026-05-26 15:29:35] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :21802 after 25345
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:48] [INFO ] Deduced a trap composed of 38 places in 136 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:48] [INFO ] Deduced a trap composed of 38 places in 106 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:48] [INFO ] Deduced a trap composed of 38 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:48] [INFO ] Deduced a trap composed of 38 places in 75 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:50] [INFO ] Deduced a trap composed of 38 places in 88 ms of which 7 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :25345 after 72712
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:51] [INFO ] Deduced a trap composed of 38 places in 84 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:51] [INFO ] Deduced a trap composed of 38 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:51] [INFO ] Deduced a trap composed of 38 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:29:54] [INFO ] Deduced a trap composed of 218 places in 409 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:30:02] [INFO ] Deduced a trap composed of 125 places in 388 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:30:02] [INFO ] Deduced a trap composed of 19 places in 424 ms of which 42 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 11/49 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:30:05] [INFO ] Deduced a trap composed of 140 places in 655 ms of which 111 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 378/1254 variables, and 50 constraints, problems are : Problem set: 0 solved, 888 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 888/888 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/378 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/378 variables, 26/38 constraints. Problems are: Problem set: 0 solved, 888 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/378 variables, 12/50 constraints. Problems are: Problem set: 0 solved, 888 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:30:26] [INFO ] Deduced a trap composed of 31 places in 191 ms of which 28 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 378/1254 variables, and 51 constraints, problems are : Problem set: 0 solved, 888 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/380 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/888 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60836ms problems are : Problem set: 0 solved, 888 unsolved
Search for dead transitions found 0 dead transitions in 60837ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70226 ms. Remains : 380/380 places, 890/890 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[3]
Ending property specific reduction for PolyORBLF-COL-S02J04T08-UpperBounds-13 in 264752 ms.
[2026-05-26 15:30:36] [INFO ] Flatten gal took : 55 ms
[2026-05-26 15:30:36] [INFO ] Applying decomposition
[2026-05-26 15:30:36] [INFO ] Flatten gal took : 55 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/graph7332102507023132851.txt' '-o' '/tmp/graph7332102507023132851.bin' '-w' '/tmp/graph7332102507023132851.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7332102507023132851.bin' '-l' '-1' '-v' '-w' '/tmp/graph7332102507023132851.weights' '-q' '0' '-e' '0.001'
[2026-05-26 15:30:36] [INFO ] Decomposing Gal with order
[2026-05-26 15:30:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 15:30:36] [INFO ] Removed a total of 742 redundant transitions.
[2026-05-26 15:30:36] [INFO ] Flatten gal took : 171 ms
[2026-05-26 15:30:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 599 labels/synchronizations in 44 ms.
[2026-05-26 15:30:37] [INFO ] Time to serialize gal into /tmp/UpperBounds1656224900738658030.gal : 12 ms
[2026-05-26 15:30:37] [INFO ] Time to serialize properties into /tmp/UpperBounds2288496117698370881.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/UpperBounds1656224900738658030.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2288496117698370881.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 ...304
Loading property file /tmp/UpperBounds2288496117698370881.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\_flatf,2.54773e+07,584.918,9831572,2,646101,5,1.78376e+07,6,0,2684,1.74262e+07,0
Total reachable state count : 25477272
Verifying 3 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property PolyORBLF-COL-S02J04T08-UpperBounds-02 :0 <= gi8.gu23.P_2318_0+gi8.gu24.P_2318_1+gi8.gu1.P_2318_2+gi8.gu25.P_2318_3+gi8.gu2.P_2318_4+gi8.gu...207
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-02 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PolyORBLF-COL-S02J04T08-UpperBounds-02,0,585.879,9831572,1,0,7,1.78376e+07,9,1,3870,1.74262e+07,4
Min sum of variable value : 0
Maximum sum along a path : 0
Bounds property PolyORBLF-COL-S02J04T08-UpperBounds-10 :0 <= gi8.gu23.P_1160_0+gi8.gu24.P_1160_1+gi8.gu1.P_1160_2+gi8.gu25.P_1160_3+gi8.gu2.P_1160_4+gi8.gu...207
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-10 0 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
PolyORBLF-COL-S02J04T08-UpperBounds-10,0,586.957,9831572,1,0,7,1.78376e+07,10,1,4622,1.74262e+07,5
Min sum of variable value : 0
Maximum sum along a path : 0
Bounds property PolyORBLF-COL-S02J04T08-UpperBounds-13 :0 <= gi8.gu23.P_1159_0+gi8.gu24.P_1159_1+gi8.gu1.P_1159_2+gi8.gu25.P_1159_3+gi8.gu2.P_1159_4+gi8.gu...207
FORMULA PolyORBLF-COL-S02J04T08-UpperBounds-13 0 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
PolyORBLF-COL-S02J04T08-UpperBounds-13,0,587.914,9831572,1,0,7,1.78376e+07,11,1,5366,1.74262e+07,6
Total runtime 1819786 ms.
BK_STOP 1779810027573
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PolyORBLF-COL-S02J04T08"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is PolyORBLF-COL-S02J04T08, 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 r223-smll-177969946300035"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S02J04T08.tgz
mv PolyORBLF-COL-S02J04T08 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;