About the Execution of 2025-gold for LamportFastMutEx-COL-8
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16202.531 | 3600000.00 | 3452453.00 | 218914.10 | 1 7 8 ? 8 1 8 8 7 ? 7 8 7 7 56 8 | 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.r175-smll-177961111800049.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 LamportFastMutEx-COL-8, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-177961111800049
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 9.0K Mar 7 16:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 7 16:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 16:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 16:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 11:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 11:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 16:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 7 16:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 16:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 7 16:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 44K 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 LamportFastMutEx-COL-8-UpperBounds-00
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-01
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-02
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-03
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-04
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-05
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-06
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-07
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-08
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-09
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-10
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-11
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-12
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-13
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-14
FORMULA_NAME LamportFastMutEx-COL-8-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779746828200
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-8
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-05-25 22:07:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 22:07:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 22:07:10] [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.
[2026-05-25 22:07:11] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-25 22:07:11] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1063 ms
[2026-05-25 22:07:11] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 315 PT places and 837.0 transition bindings in 40 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
[2026-05-25 22:07:11] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 9 ms.
[2026-05-25 22:07:11] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
// Phase 1: matrix 17 rows 15 cols
[2026-05-25 22:07:11] [INFO ] Computed 2 invariants in 7 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[1, 0, 0, 0, 0, 1, 8, 0, 0, 0, 0, 0, 0, 0, 0, 8] Max Struct:[1, 8, 8, 8, 8, 1, 8, 8, 8, 8, 8, 8, 8, 8, 64, 8]
FORMULA LamportFastMutEx-COL-8-UpperBounds-15 8 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-8-UpperBounds-06 8 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-8-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-8-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-25 22:07:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 22:07:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 22:07:12] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 22:07:12] [INFO ] Added : 6 causal constraints over 2 iterations in 50 ms. Result :sat
Minimization took 15 ms.
[2026-05-25 22:07:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:12] [INFO ] Added : 6 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Added 1 Read/Feed constraints in 3 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 22:07:12] [INFO ] Added : 4 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 11 ms.
[2026-05-25 22:07:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:12] [INFO ] Added : 4 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Added 1 Read/Feed constraints in 5 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 22:07:12] [INFO ] Added : 4 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 22:07:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:12] [INFO ] Added : 4 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 22:07:12] [INFO ] Added : 4 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 10 ms.
[2026-05-25 22:07:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 22:07:12] [INFO ] Added : 4 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 22:07:12] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:12] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 22:07:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:13] [INFO ] Added : 5 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 22:07:13] [INFO ] Added : 6 causal constraints over 2 iterations in 22 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 22:07:13] [INFO ] Added : 4 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 22:07:13] [INFO ] Added : 9 causal constraints over 2 iterations in 17 ms. Result :sat
Minimization took 9 ms.
[2026-05-25 22:07:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:13] [INFO ] Added : 9 causal constraints over 2 iterations in 20 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Added 1 Read/Feed constraints in 5 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 22:07:13] [INFO ] Added : 4 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 22:07:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:13] [INFO ] Added : 4 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 22:07:13] [INFO ] Added : 5 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 22:07:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:13] [INFO ] Added : 5 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 22:07:13] [INFO ] Added : 7 causal constraints over 2 iterations in 17 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 22:07:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 22:07:13] [INFO ] Added : 7 causal constraints over 2 iterations in 15 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 22:07:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 22:07:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 22:07:13] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 22:07:13] [INFO ] Added : 11 causal constraints over 3 iterations in 21 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 64]
Domain [pid(9), pid(9)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-25 22:07:14] [INFO ] Unfolded HLPN to a Petri net with 315 places and 666 transitions 2934 arcs in 78 ms.
[2026-05-25 22:07:14] [INFO ] Unfolded 12 HLPN properties in 1 ms.
Deduced a syphon composed of 49 places in 6 ms
Reduce places removed 49 places and 82 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +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, 0] Max Struct:[8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 64]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 64]
[2026-05-25 22:07:14] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
// Phase 1: matrix 416 rows 266 cols
[2026-05-25 22:07:14] [INFO ] Computed 82 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 64]
RANDOM walk for 10000 steps (2 resets) in 140 ms. (70 steps per ms)
FORMULA LamportFastMutEx-COL-8-UpperBounds-02 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-8-UpperBounds-07 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-8-UpperBounds-11 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90008 steps (18 resets) in 351 ms. (255 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 5, 7, 7, 1, 6, 4, 7, 32] Max Struct:[8, 8, 8, 8, 8, 8, 8, 8, 64]
[2026-05-25 22:07:14] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
[2026-05-25 22:07:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:14] [INFO ] [Real]Absence check using 82 positive place invariants in 48 ms returned sat
[2026-05-25 22:07:15] [INFO ] [Real]Absence check using state equation in 245 ms returned sat
[2026-05-25 22:07:15] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-25 22:07:15] [INFO ] [Real]Added 112 Read/Feed constraints in 47 ms returned sat
[2026-05-25 22:07:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:15] [INFO ] [Nat]Absence check using 82 positive place invariants in 57 ms returned sat
[2026-05-25 22:07:15] [INFO ] [Nat]Absence check using state equation in 266 ms returned sat
[2026-05-25 22:07:15] [INFO ] [Nat]Added 112 Read/Feed constraints in 159 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:15] [INFO ] Deduced a trap composed of 9 places in 236 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:16] [INFO ] Deduced a trap composed of 9 places in 136 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:16] [INFO ] Deduced a trap composed of 9 places in 111 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:16] [INFO ] Deduced a trap composed of 14 places in 86 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:16] [INFO ] Deduced a trap composed of 41 places in 119 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:16] [INFO ] Deduced a trap composed of 41 places in 163 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:16] [INFO ] Deduced a trap composed of 41 places in 163 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:17] [INFO ] Deduced a trap composed of 41 places in 126 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:17] [INFO ] Deduced a trap composed of 41 places in 138 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:17] [INFO ] Deduced a trap composed of 41 places in 126 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:17] [INFO ] Deduced a trap composed of 41 places in 150 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:17] [INFO ] Deduced a trap composed of 41 places in 115 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:17] [INFO ] Deduced a trap composed of 10 places in 115 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:18] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:18] [INFO ] Deduced a trap composed of 14 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:18] [INFO ] Deduced a trap composed of 14 places in 100 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:18] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:18] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:18] [INFO ] Deduced a trap composed of 14 places in 75 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:18] [INFO ] Deduced a trap composed of 14 places in 91 ms of which 6 ms to minimize.
[2026-05-25 22:07:18] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 20 trap constraints in 3110 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:18] [INFO ] [Real]Absence check using 82 positive place invariants in 36 ms returned sat
[2026-05-25 22:07:19] [INFO ] [Real]Absence check using state equation in 216 ms returned sat
[2026-05-25 22:07:19] [INFO ] [Real]Added 112 Read/Feed constraints in 20 ms returned sat
[2026-05-25 22:07:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:19] [INFO ] [Nat]Absence check using 82 positive place invariants in 33 ms returned sat
[2026-05-25 22:07:19] [INFO ] [Nat]Absence check using state equation in 199 ms returned sat
[2026-05-25 22:07:19] [INFO ] [Nat]Added 112 Read/Feed constraints in 30 ms returned sat
[2026-05-25 22:07:19] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 70 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:20] [INFO ] Deduced a trap composed of 9 places in 77 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:20] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 3 ms to minimize.
[2026-05-25 22:07:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 236 ms
[2026-05-25 22:07:20] [INFO ] Added : 51 causal constraints over 11 iterations in 810 ms. Result :sat
Minimization took 239 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:20] [INFO ] [Real]Absence check using 82 positive place invariants in 36 ms returned sat
[2026-05-25 22:07:20] [INFO ] [Real]Absence check using state equation in 196 ms returned sat
[2026-05-25 22:07:21] [INFO ] [Real]Added 112 Read/Feed constraints in 28 ms returned sat
[2026-05-25 22:07:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:21] [INFO ] [Nat]Absence check using 82 positive place invariants in 36 ms returned sat
[2026-05-25 22:07:21] [INFO ] [Nat]Absence check using state equation in 198 ms returned sat
[2026-05-25 22:07:21] [INFO ] [Nat]Added 112 Read/Feed constraints in 33 ms returned sat
[2026-05-25 22:07:21] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 65 ms.
[2026-05-25 22:07:21] [INFO ] Added : 0 causal constraints over 0 iterations in 124 ms. Result :sat
Minimization took 104 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:21] [INFO ] [Real]Absence check using 82 positive place invariants in 38 ms returned sat
[2026-05-25 22:07:21] [INFO ] [Real]Absence check using state equation in 188 ms returned sat
[2026-05-25 22:07:22] [INFO ] [Real]Added 112 Read/Feed constraints in 32 ms returned sat
[2026-05-25 22:07:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:22] [INFO ] [Nat]Absence check using 82 positive place invariants in 47 ms returned sat
[2026-05-25 22:07:22] [INFO ] [Nat]Absence check using state equation in 240 ms returned sat
[2026-05-25 22:07:22] [INFO ] [Nat]Added 112 Read/Feed constraints in 113 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:22] [INFO ] Deduced a trap composed of 14 places in 173 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:23] [INFO ] Deduced a trap composed of 41 places in 292 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:23] [INFO ] Deduced a trap composed of 8 places in 277 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:23] [INFO ] Deduced a trap composed of 41 places in 273 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:24] [INFO ] Deduced a trap composed of 41 places in 298 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:24] [INFO ] Deduced a trap composed of 41 places in 321 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:24] [INFO ] Deduced a trap composed of 41 places in 315 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:25] [INFO ] Deduced a trap composed of 41 places in 313 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:25] [INFO ] Deduced a trap composed of 41 places in 330 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:25] [INFO ] Deduced a trap composed of 41 places in 277 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:26] [INFO ] Deduced a trap composed of 8 places in 305 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:26] [INFO ] Deduced a trap composed of 8 places in 236 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:26] [INFO ] Deduced a trap composed of 8 places in 225 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:27] [INFO ] Deduced a trap composed of 8 places in 326 ms of which 22 ms to minimize.
[2026-05-25 22:07:27] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:27] [INFO ] [Real]Absence check using 82 positive place invariants in 45 ms returned sat
[2026-05-25 22:07:27] [INFO ] [Real]Absence check using state equation in 238 ms returned sat
[2026-05-25 22:07:27] [INFO ] [Real]Added 112 Read/Feed constraints in 24 ms returned sat
[2026-05-25 22:07:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:27] [INFO ] [Nat]Absence check using 82 positive place invariants in 33 ms returned sat
[2026-05-25 22:07:27] [INFO ] [Nat]Absence check using state equation in 192 ms returned sat
[2026-05-25 22:07:27] [INFO ] [Nat]Added 112 Read/Feed constraints in 52 ms returned sat
[2026-05-25 22:07:28] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 60 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:28] [INFO ] Deduced a trap composed of 9 places in 308 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:29] [INFO ] Deduced a trap composed of 9 places in 306 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:29] [INFO ] Deduced a trap composed of 9 places in 208 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:29] [INFO ] Deduced a trap composed of 10 places in 209 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:30] [INFO ] Deduced a trap composed of 22 places in 234 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:30] [INFO ] Deduced a trap composed of 17 places in 238 ms of which 23 ms to minimize.
[2026-05-25 22:07:30] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1716 ms
[2026-05-25 22:07:30] [INFO ] Added : 77 causal constraints over 17 iterations in 2448 ms. Result :sat
Minimization took 312 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:30] [INFO ] [Real]Absence check using 82 positive place invariants in 36 ms returned sat
[2026-05-25 22:07:31] [INFO ] [Real]Absence check using state equation in 193 ms returned sat
[2026-05-25 22:07:31] [INFO ] [Real]Added 112 Read/Feed constraints in 24 ms returned sat
[2026-05-25 22:07:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:31] [INFO ] [Nat]Absence check using 82 positive place invariants in 33 ms returned sat
[2026-05-25 22:07:31] [INFO ] [Nat]Absence check using state equation in 193 ms returned sat
[2026-05-25 22:07:31] [INFO ] [Nat]Added 112 Read/Feed constraints in 53 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:31] [INFO ] Deduced a trap composed of 9 places in 161 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:31] [INFO ] Deduced a trap composed of 9 places in 215 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:32] [INFO ] Deduced a trap composed of 9 places in 208 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:32] [INFO ] Deduced a trap composed of 10 places in 154 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:32] [INFO ] Deduced a trap composed of 17 places in 98 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:32] [INFO ] Deduced a trap composed of 17 places in 81 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:32] [INFO ] Deduced a trap composed of 17 places in 104 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:32] [INFO ] Deduced a trap composed of 17 places in 174 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:32] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:33] [INFO ] Deduced a trap composed of 17 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:33] [INFO ] Deduced a trap composed of 17 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:33] [INFO ] Deduced a trap composed of 10 places in 97 ms of which 6 ms to minimize.
[2026-05-25 22:07:33] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 1812 ms
[2026-05-25 22:07:33] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 42 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:35] [INFO ] Deduced a trap composed of 9 places in 253 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:35] [INFO ] Deduced a trap composed of 9 places in 224 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:35] [INFO ] Deduced a trap composed of 9 places in 207 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:35] [INFO ] Deduced a trap composed of 17 places in 190 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:36] [INFO ] Deduced a trap composed of 17 places in 154 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:36] [INFO ] Deduced a trap composed of 41 places in 216 ms of which 27 ms to minimize.
[2026-05-25 22:07:36] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1131)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:36] [INFO ] [Real]Absence check using 82 positive place invariants in 29 ms returned sat
[2026-05-25 22:07:36] [INFO ] [Real]Absence check using state equation in 158 ms returned sat
[2026-05-25 22:07:36] [INFO ] [Real]Added 112 Read/Feed constraints in 23 ms returned sat
[2026-05-25 22:07:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:36] [INFO ] [Nat]Absence check using 82 positive place invariants in 27 ms returned sat
[2026-05-25 22:07:36] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2026-05-25 22:07:36] [INFO ] [Nat]Added 112 Read/Feed constraints in 39 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:37] [INFO ] Deduced a trap composed of 16 places in 230 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:37] [INFO ] Deduced a trap composed of 16 places in 131 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:37] [INFO ] Deduced a trap composed of 10 places in 115 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:37] [INFO ] Deduced a trap composed of 16 places in 193 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:37] [INFO ] Deduced a trap composed of 16 places in 198 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:38] [INFO ] Deduced a trap composed of 16 places in 208 ms of which 11 ms to minimize.
[2026-05-25 22:07:38] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1239 ms
[2026-05-25 22:07:38] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 47 ms.
[2026-05-25 22:07:38] [INFO ] Added : 33 causal constraints over 7 iterations in 394 ms. Result :sat
Minimization took 337 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:38] [INFO ] [Real]Absence check using 82 positive place invariants in 42 ms returned sat
[2026-05-25 22:07:39] [INFO ] [Real]Absence check using state equation in 210 ms returned sat
[2026-05-25 22:07:39] [INFO ] [Real]Added 112 Read/Feed constraints in 35 ms returned sat
[2026-05-25 22:07:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:39] [INFO ] [Nat]Absence check using 82 positive place invariants in 45 ms returned sat
[2026-05-25 22:07:39] [INFO ] [Nat]Absence check using state equation in 215 ms returned sat
[2026-05-25 22:07:39] [INFO ] [Nat]Added 112 Read/Feed constraints in 95 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:39] [INFO ] Deduced a trap composed of 9 places in 125 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:40] [INFO ] Deduced a trap composed of 10 places in 151 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:40] [INFO ] Deduced a trap composed of 17 places in 154 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:40] [INFO ] Deduced a trap composed of 17 places in 180 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:40] [INFO ] Deduced a trap composed of 17 places in 150 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:40] [INFO ] Deduced a trap composed of 17 places in 204 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:40] [INFO ] Deduced a trap composed of 17 places in 156 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:41] [INFO ] Deduced a trap composed of 17 places in 152 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:41] [INFO ] Deduced a trap composed of 17 places in 146 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:41] [INFO ] Deduced a trap composed of 17 places in 163 ms of which 9 ms to minimize.
[2026-05-25 22:07:41] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 1793 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:41] [INFO ] [Real]Absence check using 82 positive place invariants in 57 ms returned sat
[2026-05-25 22:07:41] [INFO ] [Real]Absence check using state equation in 212 ms returned sat
[2026-05-25 22:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:07:41] [INFO ] [Nat]Absence check using 82 positive place invariants in 33 ms returned sat
[2026-05-25 22:07:42] [INFO ] [Nat]Absence check using state equation in 186 ms returned sat
[2026-05-25 22:07:42] [INFO ] [Nat]Added 112 Read/Feed constraints in 192 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:42] [INFO ] Deduced a trap composed of 9 places in 169 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:42] [INFO ] Deduced a trap composed of 9 places in 191 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:43] [INFO ] Deduced a trap composed of 9 places in 265 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:43] [INFO ] Deduced a trap composed of 17 places in 257 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:43] [INFO ] Deduced a trap composed of 17 places in 121 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:43] [INFO ] Deduced a trap composed of 10 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:43] [INFO ] Deduced a trap composed of 17 places in 96 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:43] [INFO ] Deduced a trap composed of 17 places in 97 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:43] [INFO ] Deduced a trap composed of 17 places in 87 ms of which 4 ms to minimize.
[2026-05-25 22:07:43] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1607 ms
[2026-05-25 22:07:43] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 36 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:44] [INFO ] Deduced a trap composed of 9 places in 160 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:44] [INFO ] Deduced a trap composed of 9 places in 166 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:44] [INFO ] Deduced a trap composed of 10 places in 176 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:07:45] [INFO ] Deduced a trap composed of 17 places in 112 ms of which 5 ms to minimize.
[2026-05-25 22:07:45] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 783 ms
[2026-05-25 22:07:45] [INFO ] Added : 62 causal constraints over 13 iterations in 1342 ms. Result :sat
Minimization took 287 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 5, 7, 7, 1, 6, 4, 7, 32] Max Struct:[7, 8, 8, 8, 8, 8, 8, 7, 64]
FORMULA LamportFastMutEx-COL-8-UpperBounds-13 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-8-UpperBounds-01 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-8-UpperBounds-04 8 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 7, 1, 6, 5, 32] Max Struct:[8, 8, 8, 8, 8, 64]
Support contains 104 out of 266 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 266/266 places, 584/584 transitions.
Applied a total of 0 rules in 47 ms. Remains 266 /266 variables (removed 0) and now considering 584/584 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 266/266 places, 584/584 transitions.
[2026-05-25 22:07:47] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
[2026-05-25 22:07:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5, 7, 1, 6, 5, 32] Max Struct:[8, 8, 8, 8, 8, 64]
RANDOM walk for 1000000 steps (2 resets) in 4277 ms. (233 steps per ms)
BEST_FIRST walk for 6000005 steps (12 resets) in 8516 ms. (704 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 7, 1, 7, 7, 49] Max Struct:[8, 8, 8, 8, 8, 64]
[2026-05-25 22:08:00] [INFO ] Flow matrix only has 416 transitions (discarded 168 similar events)
[2026-05-25 22:08:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:00] [INFO ] [Real]Absence check using 82 positive place invariants in 34 ms returned sat
[2026-05-25 22:08:00] [INFO ] [Real]Absence check using state equation in 191 ms returned sat
[2026-05-25 22:08:00] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-25 22:08:00] [INFO ] [Real]Added 112 Read/Feed constraints in 20 ms returned sat
[2026-05-25 22:08:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:00] [INFO ] [Nat]Absence check using 82 positive place invariants in 35 ms returned sat
[2026-05-25 22:08:00] [INFO ] [Nat]Absence check using state equation in 186 ms returned sat
[2026-05-25 22:08:00] [INFO ] [Nat]Added 112 Read/Feed constraints in 30 ms returned sat
[2026-05-25 22:08:00] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 49 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:01] [INFO ] Deduced a trap composed of 41 places in 348 ms of which 32 ms to minimize.
[2026-05-25 22:08:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 434 ms
[2026-05-25 22:08:01] [INFO ] Added : 56 causal constraints over 12 iterations in 1180 ms. Result :sat
Minimization took 324 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:02] [INFO ] [Real]Absence check using 82 positive place invariants in 37 ms returned sat
[2026-05-25 22:08:02] [INFO ] [Real]Absence check using state equation in 206 ms returned sat
[2026-05-25 22:08:02] [INFO ] [Real]Added 112 Read/Feed constraints in 31 ms returned sat
[2026-05-25 22:08:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:02] [INFO ] [Nat]Absence check using 82 positive place invariants in 35 ms returned sat
[2026-05-25 22:08:02] [INFO ] [Nat]Absence check using state equation in 188 ms returned sat
[2026-05-25 22:08:03] [INFO ] [Nat]Added 112 Read/Feed constraints in 108 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:03] [INFO ] Deduced a trap composed of 14 places in 167 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:03] [INFO ] Deduced a trap composed of 41 places in 234 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:03] [INFO ] Deduced a trap composed of 8 places in 346 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:04] [INFO ] Deduced a trap composed of 41 places in 371 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:04] [INFO ] Deduced a trap composed of 41 places in 318 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:04] [INFO ] Deduced a trap composed of 41 places in 304 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:05] [INFO ] Deduced a trap composed of 41 places in 347 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:05] [INFO ] Deduced a trap composed of 41 places in 334 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:05] [INFO ] Deduced a trap composed of 41 places in 315 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:06] [INFO ] Deduced a trap composed of 41 places in 328 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:06] [INFO ] Deduced a trap composed of 8 places in 306 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:07] [INFO ] Deduced a trap composed of 8 places in 336 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:07] [INFO ] Deduced a trap composed of 8 places in 211 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:07] [INFO ] Deduced a trap composed of 8 places in 294 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:08] [INFO ] Deduced a trap composed of 8 places in 330 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:08] [INFO ] Deduced a trap composed of 8 places in 249 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:08] [INFO ] Deduced a trap composed of 8 places in 245 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:09] [INFO ] Deduced a trap composed of 10 places in 276 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:09] [INFO ] Deduced a trap composed of 14 places in 175 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:09] [INFO ] Deduced a trap composed of 14 places in 206 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:09] [INFO ] Deduced a trap composed of 14 places in 211 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:10] [INFO ] Deduced a trap composed of 14 places in 168 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:10] [INFO ] Deduced a trap composed of 14 places in 169 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:10] [INFO ] Deduced a trap composed of 14 places in 208 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:10] [INFO ] Deduced a trap composed of 14 places in 237 ms of which 12 ms to minimize.
[2026-05-25 22:08:10] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 25 trap constraints in 7831 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:10] [INFO ] [Real]Absence check using 82 positive place invariants in 30 ms returned sat
[2026-05-25 22:08:11] [INFO ] [Real]Absence check using state equation in 165 ms returned sat
[2026-05-25 22:08:11] [INFO ] [Real]Added 112 Read/Feed constraints in 23 ms returned sat
[2026-05-25 22:08:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:11] [INFO ] [Nat]Absence check using 82 positive place invariants in 29 ms returned sat
[2026-05-25 22:08:11] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2026-05-25 22:08:11] [INFO ] [Nat]Added 112 Read/Feed constraints in 47 ms returned sat
[2026-05-25 22:08:11] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 35 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:12] [INFO ] Deduced a trap composed of 9 places in 273 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:12] [INFO ] Deduced a trap composed of 9 places in 169 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:12] [INFO ] Deduced a trap composed of 9 places in 198 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:13] [INFO ] Deduced a trap composed of 10 places in 195 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:13] [INFO ] Deduced a trap composed of 22 places in 182 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:13] [INFO ] Deduced a trap composed of 17 places in 181 ms of which 15 ms to minimize.
[2026-05-25 22:08:13] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1408 ms
[2026-05-25 22:08:13] [INFO ] Added : 77 causal constraints over 17 iterations in 2109 ms. Result :sat
Minimization took 308 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:14] [INFO ] [Real]Absence check using 82 positive place invariants in 33 ms returned sat
[2026-05-25 22:08:14] [INFO ] [Real]Absence check using state equation in 196 ms returned sat
[2026-05-25 22:08:14] [INFO ] [Real]Added 112 Read/Feed constraints in 61 ms returned sat
[2026-05-25 22:08:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:14] [INFO ] [Nat]Absence check using 82 positive place invariants in 47 ms returned sat
[2026-05-25 22:08:14] [INFO ] [Nat]Absence check using state equation in 246 ms returned sat
[2026-05-25 22:08:14] [INFO ] [Nat]Added 112 Read/Feed constraints in 113 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:15] [INFO ] Deduced a trap composed of 9 places in 152 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:15] [INFO ] Deduced a trap composed of 9 places in 158 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:15] [INFO ] Deduced a trap composed of 10 places in 156 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:15] [INFO ] Deduced a trap composed of 10 places in 213 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:15] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:15] [INFO ] Deduced a trap composed of 17 places in 96 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:15] [INFO ] Deduced a trap composed of 10 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:16] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:16] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:16] [INFO ] Deduced a trap composed of 17 places in 80 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:16] [INFO ] Deduced a trap composed of 17 places in 65 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:16] [INFO ] Deduced a trap composed of 17 places in 101 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:16] [INFO ] Deduced a trap composed of 17 places in 69 ms of which 5 ms to minimize.
[2026-05-25 22:08:16] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 13 trap constraints in 1669 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:16] [INFO ] [Real]Absence check using 82 positive place invariants in 43 ms returned sat
[2026-05-25 22:08:16] [INFO ] [Real]Absence check using state equation in 203 ms returned sat
[2026-05-25 22:08:16] [INFO ] [Real]Added 112 Read/Feed constraints in 24 ms returned sat
[2026-05-25 22:08:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:17] [INFO ] [Nat]Absence check using 82 positive place invariants in 44 ms returned sat
[2026-05-25 22:08:17] [INFO ] [Nat]Absence check using state equation in 210 ms returned sat
[2026-05-25 22:08:17] [INFO ] [Nat]Added 112 Read/Feed constraints in 59 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:17] [INFO ] Deduced a trap composed of 16 places in 143 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:17] [INFO ] Deduced a trap composed of 16 places in 155 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:17] [INFO ] Deduced a trap composed of 16 places in 155 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:18] [INFO ] Deduced a trap composed of 17 places in 157 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:18] [INFO ] Deduced a trap composed of 10 places in 145 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:18] [INFO ] Deduced a trap composed of 16 places in 155 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:18] [INFO ] Deduced a trap composed of 16 places in 202 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:18] [INFO ] Deduced a trap composed of 16 places in 203 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:19] [INFO ] Deduced a trap composed of 16 places in 246 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:19] [INFO ] Deduced a trap composed of 8 places in 228 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:19] [INFO ] Deduced a trap composed of 8 places in 280 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:19] [INFO ] Deduced a trap composed of 8 places in 234 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:20] [INFO ] Deduced a trap composed of 8 places in 269 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:20] [INFO ] Deduced a trap composed of 8 places in 194 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:20] [INFO ] Deduced a trap composed of 8 places in 237 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:20] [INFO ] Deduced a trap composed of 8 places in 228 ms of which 16 ms to minimize.
[2026-05-25 22:08:20] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 16 trap constraints in 3655 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:21] [INFO ] [Real]Absence check using 82 positive place invariants in 47 ms returned sat
[2026-05-25 22:08:21] [INFO ] [Real]Absence check using state equation in 213 ms returned sat
[2026-05-25 22:08:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:21] [INFO ] [Nat]Absence check using 82 positive place invariants in 38 ms returned sat
[2026-05-25 22:08:21] [INFO ] [Nat]Absence check using state equation in 186 ms returned sat
[2026-05-25 22:08:21] [INFO ] [Nat]Added 112 Read/Feed constraints in 186 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:22] [INFO ] Deduced a trap composed of 9 places in 265 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:22] [INFO ] Deduced a trap composed of 9 places in 193 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:22] [INFO ] Deduced a trap composed of 9 places in 201 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:22] [INFO ] Deduced a trap composed of 9 places in 108 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:22] [INFO ] Deduced a trap composed of 9 places in 99 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:22] [INFO ] Deduced a trap composed of 17 places in 95 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:23] [INFO ] Deduced a trap composed of 17 places in 95 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:23] [INFO ] Deduced a trap composed of 17 places in 96 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:23] [INFO ] Deduced a trap composed of 17 places in 206 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:23] [INFO ] Deduced a trap composed of 17 places in 113 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:23] [INFO ] Deduced a trap composed of 17 places in 114 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:23] [INFO ] Deduced a trap composed of 17 places in 114 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:23] [INFO ] Deduced a trap composed of 10 places in 110 ms of which 6 ms to minimize.
[2026-05-25 22:08:23] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 2158 ms
[2026-05-25 22:08:24] [INFO ] Computed and/alt/rep : 240/1128/240 causal constraints (skipped 168 transitions) in 58 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:24] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:24] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 2 ms to minimize.
[2026-05-25 22:08:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 200 ms
[2026-05-25 22:08:25] [INFO ] Added : 86 causal constraints over 18 iterations in 1100 ms. Result :sat
Minimization took 311 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 7, 1, 7, 7, 49] Max Struct:[8, 7, 8, 7, 7, 64]
FORMULA LamportFastMutEx-COL-8-UpperBounds-12 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-8-UpperBounds-10 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-8-UpperBounds-08 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6, 1, 49] Max Struct:[8, 8, 64]
Support contains 80 out of 266 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 266/266 places, 584/584 transitions.
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 266 transition count 576
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 16 place count 258 transition count 576
Applied a total of 16 rules in 83 ms. Remains 258 /266 variables (removed 8) and now considering 576/584 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 258/266 places, 576/584 transitions.
[2026-05-25 22:08:26] [INFO ] Flow matrix only has 408 transitions (discarded 168 similar events)
// Phase 1: matrix 408 rows 258 cols
[2026-05-25 22:08:26] [INFO ] Computed 82 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6, 1, 49] Max Struct:[8, 8, 64]
RANDOM walk for 1000000 steps (2 resets) in 3797 ms. (263 steps per ms)
BEST_FIRST walk for 3000003 steps (6 resets) in 4016 ms. (746 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 1, 56] Max Struct:[8, 8, 64]
[2026-05-25 22:08:34] [INFO ] Flow matrix only has 408 transitions (discarded 168 similar events)
[2026-05-25 22:08:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:34] [INFO ] [Real]Absence check using 82 positive place invariants in 29 ms returned sat
[2026-05-25 22:08:34] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2026-05-25 22:08:34] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-25 22:08:34] [INFO ] [Real]Added 112 Read/Feed constraints in 16 ms returned sat
[2026-05-25 22:08:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:34] [INFO ] [Nat]Absence check using 82 positive place invariants in 40 ms returned sat
[2026-05-25 22:08:34] [INFO ] [Nat]Absence check using state equation in 197 ms returned sat
[2026-05-25 22:08:34] [INFO ] [Nat]Added 112 Read/Feed constraints in 41 ms returned sat
[2026-05-25 22:08:34] [INFO ] Computed and/alt/rep : 224/984/224 causal constraints (skipped 176 transitions) in 40 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:35] [INFO ] Deduced a trap composed of 9 places in 73 ms of which 3 ms to minimize.
[2026-05-25 22:08:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 140 ms
[2026-05-25 22:08:35] [INFO ] Added : 47 causal constraints over 10 iterations in 734 ms. Result :sat
Minimization took 333 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:36] [INFO ] [Real]Absence check using 82 positive place invariants in 39 ms returned sat
[2026-05-25 22:08:36] [INFO ] [Real]Absence check using state equation in 200 ms returned sat
[2026-05-25 22:08:36] [INFO ] [Real]Added 112 Read/Feed constraints in 27 ms returned sat
[2026-05-25 22:08:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:36] [INFO ] [Nat]Absence check using 82 positive place invariants in 28 ms returned sat
[2026-05-25 22:08:36] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2026-05-25 22:08:36] [INFO ] [Nat]Added 112 Read/Feed constraints in 25 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:36] [INFO ] Deduced a trap composed of 10 places in 79 ms of which 6 ms to minimize.
[2026-05-25 22:08:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 126 ms
[2026-05-25 22:08:36] [INFO ] Computed and/alt/rep : 224/984/224 causal constraints (skipped 176 transitions) in 36 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:37] [INFO ] Deduced a trap composed of 9 places in 229 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:38] [INFO ] Deduced a trap composed of 9 places in 249 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:38] [INFO ] Deduced a trap composed of 9 places in 290 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:38] [INFO ] Deduced a trap composed of 9 places in 248 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:39] [INFO ] Deduced a trap composed of 9 places in 284 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:39] [INFO ] Deduced a trap composed of 9 places in 274 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:39] [INFO ] Deduced a trap composed of 17 places in 208 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:39] [INFO ] Deduced a trap composed of 17 places in 209 ms of which 8 ms to minimize.
[2026-05-25 22:08:40] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 2358 ms
[2026-05-25 22:08:40] [INFO ] Added : 96 causal constraints over 20 iterations in 3349 ms. Result :sat
Minimization took 283 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:40] [INFO ] [Real]Absence check using 82 positive place invariants in 55 ms returned sat
[2026-05-25 22:08:40] [INFO ] [Real]Absence check using state equation in 231 ms returned sat
[2026-05-25 22:08:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:40] [INFO ] [Nat]Absence check using 82 positive place invariants in 39 ms returned sat
[2026-05-25 22:08:41] [INFO ] [Nat]Absence check using state equation in 184 ms returned sat
[2026-05-25 22:08:41] [INFO ] [Nat]Added 112 Read/Feed constraints in 215 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:41] [INFO ] Deduced a trap composed of 9 places in 182 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:41] [INFO ] Deduced a trap composed of 9 places in 176 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:41] [INFO ] Deduced a trap composed of 9 places in 168 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:42] [INFO ] Deduced a trap composed of 17 places in 218 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:42] [INFO ] Deduced a trap composed of 17 places in 235 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:42] [INFO ] Deduced a trap composed of 17 places in 165 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:42] [INFO ] Deduced a trap composed of 17 places in 223 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:43] [INFO ] Deduced a trap composed of 17 places in 206 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:43] [INFO ] Deduced a trap composed of 10 places in 170 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:43] [INFO ] Deduced a trap composed of 17 places in 179 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:43] [INFO ] Deduced a trap composed of 17 places in 188 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:43] [INFO ] Deduced a trap composed of 17 places in 185 ms of which 9 ms to minimize.
[2026-05-25 22:08:45] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 12 trap constraints in 3690 ms
Current structural bounds on expressions (after SMT) : Max Seen:[6, 1, 56] Max Struct:[8, 8, 56]
FORMULA LamportFastMutEx-COL-8-UpperBounds-14 56 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6, 1] Max Struct:[8, 8]
Support contains 16 out of 258 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 258/258 places, 576/576 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 250 transition count 568
Applied a total of 16 rules in 36 ms. Remains 250 /258 variables (removed 8) and now considering 568/576 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 250/258 places, 568/576 transitions.
[2026-05-25 22:08:45] [INFO ] Flow matrix only has 400 transitions (discarded 168 similar events)
// Phase 1: matrix 400 rows 250 cols
[2026-05-25 22:08:45] [INFO ] Computed 82 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6, 1] Max Struct:[8, 8]
RANDOM walk for 1000000 steps (2 resets) in 2741 ms. (364 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 2016 ms. (991 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 1] Max Struct:[8, 8]
[2026-05-25 22:08:50] [INFO ] Flow matrix only has 400 transitions (discarded 168 similar events)
[2026-05-25 22:08:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:50] [INFO ] [Real]Absence check using 82 positive place invariants in 26 ms returned sat
[2026-05-25 22:08:50] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2026-05-25 22:08:50] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-25 22:08:50] [INFO ] [Real]Added 112 Read/Feed constraints in 18 ms returned sat
[2026-05-25 22:08:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:50] [INFO ] [Nat]Absence check using 82 positive place invariants in 29 ms returned sat
[2026-05-25 22:08:50] [INFO ] [Nat]Absence check using state equation in 186 ms returned sat
[2026-05-25 22:08:51] [INFO ] [Nat]Added 112 Read/Feed constraints in 51 ms returned sat
[2026-05-25 22:08:51] [INFO ] Computed and/alt/rep : 216/1096/216 causal constraints (skipped 176 transitions) in 47 ms.
[2026-05-25 22:08:51] [INFO ] Added : 66 causal constraints over 14 iterations in 866 ms. Result :sat
Minimization took 250 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:52] [INFO ] [Real]Absence check using 82 positive place invariants in 30 ms returned sat
[2026-05-25 22:08:52] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2026-05-25 22:08:52] [INFO ] [Real]Added 112 Read/Feed constraints in 20 ms returned sat
[2026-05-25 22:08:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:08:52] [INFO ] [Nat]Absence check using 82 positive place invariants in 33 ms returned sat
[2026-05-25 22:08:52] [INFO ] [Nat]Absence check using state equation in 176 ms returned sat
[2026-05-25 22:08:52] [INFO ] [Nat]Added 112 Read/Feed constraints in 36 ms returned sat
[2026-05-25 22:08:52] [INFO ] Computed and/alt/rep : 216/1096/216 causal constraints (skipped 176 transitions) in 41 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:53] [INFO ] Deduced a trap composed of 9 places in 386 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:54] [INFO ] Deduced a trap composed of 9 places in 379 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:54] [INFO ] Deduced a trap composed of 9 places in 384 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:55] [INFO ] Deduced a trap composed of 12 places in 379 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:08:55] [INFO ] Deduced a trap composed of 22 places in 357 ms of which 26 ms to minimize.
[2026-05-25 22:08:55] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2120 ms
[2026-05-25 22:08:55] [INFO ] Added : 51 causal constraints over 11 iterations in 2713 ms. Result :sat
Minimization took 243 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 1] Max Struct:[8, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6, 1] Max Struct:[8, 8]
Support contains 16 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 568/568 transitions.
Applied a total of 0 rules in 26 ms. Remains 250 /250 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 250/250 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 568/568 transitions.
Applied a total of 0 rules in 18 ms. Remains 250 /250 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2026-05-25 22:08:56] [INFO ] Flow matrix only has 400 transitions (discarded 168 similar events)
[2026-05-25 22:08:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:08:57] [INFO ] Implicit Places using invariants in 552 ms returned [154, 155, 156, 157, 158, 159, 160, 161]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 557 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 242/250 places, 568/568 transitions.
Applied a total of 0 rules in 21 ms. Remains 242 /242 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 605 ms. Remains : 242/250 places, 568/568 transitions.
[2026-05-25 22:08:57] [INFO ] Flow matrix only has 400 transitions (discarded 168 similar events)
// Phase 1: matrix 400 rows 242 cols
[2026-05-25 22:08:57] [INFO ] Computed 74 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6, 1] Max Struct:[8, 8]
RANDOM walk for 1000000 steps (2 resets) in 2593 ms. (385 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 1650 ms. (1211 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 1] Max Struct:[8, 8]
[2026-05-25 22:09:01] [INFO ] Flow matrix only has 400 transitions (discarded 168 similar events)
[2026-05-25 22:09:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:09:01] [INFO ] [Real]Absence check using 74 positive place invariants in 26 ms returned sat
[2026-05-25 22:09:01] [INFO ] [Real]Absence check using state equation in 149 ms returned sat
[2026-05-25 22:09:01] [INFO ] State equation strengthened by 48 read => feed constraints.
[2026-05-25 22:09:01] [INFO ] [Real]Added 48 Read/Feed constraints in 10 ms returned sat
[2026-05-25 22:09:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:09:01] [INFO ] [Nat]Absence check using 74 positive place invariants in 37 ms returned sat
[2026-05-25 22:09:02] [INFO ] [Nat]Absence check using state equation in 200 ms returned sat
[2026-05-25 22:09:02] [INFO ] [Nat]Added 48 Read/Feed constraints in 31 ms returned sat
[2026-05-25 22:09:02] [INFO ] Computed and/alt/rep : 216/968/216 causal constraints (skipped 176 transitions) in 34 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:03] [INFO ] Deduced a trap composed of 9 places in 46 ms of which 2 ms to minimize.
[2026-05-25 22:09:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 135 ms
[2026-05-25 22:09:04] [INFO ] Added : 144 causal constraints over 31 iterations in 1934 ms. Result :sat
Minimization took 263 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:09:04] [INFO ] [Real]Absence check using 74 positive place invariants in 38 ms returned sat
[2026-05-25 22:09:04] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2026-05-25 22:09:04] [INFO ] [Real]Added 48 Read/Feed constraints in 13 ms returned sat
[2026-05-25 22:09:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:09:04] [INFO ] [Nat]Absence check using 74 positive place invariants in 37 ms returned sat
[2026-05-25 22:09:05] [INFO ] [Nat]Absence check using state equation in 217 ms returned sat
[2026-05-25 22:09:05] [INFO ] [Nat]Added 48 Read/Feed constraints in 23 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:05] [INFO ] Deduced a trap composed of 10 places in 281 ms of which 18 ms to minimize.
[2026-05-25 22:09:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 329 ms
[2026-05-25 22:09:05] [INFO ] Computed and/alt/rep : 216/968/216 causal constraints (skipped 176 transitions) in 47 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:07] [INFO ] Deduced a trap composed of 9 places in 222 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:07] [INFO ] Deduced a trap composed of 9 places in 323 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:07] [INFO ] Deduced a trap composed of 9 places in 279 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:08] [INFO ] Deduced a trap composed of 9 places in 275 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:08] [INFO ] Deduced a trap composed of 9 places in 243 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:08] [INFO ] Deduced a trap composed of 22 places in 308 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:08] [INFO ] Deduced a trap composed of 13 places in 312 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:09] [INFO ] Deduced a trap composed of 13 places in 260 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:09] [INFO ] Deduced a trap composed of 13 places in 286 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:09] [INFO ] Deduced a trap composed of 13 places in 280 ms of which 14 ms to minimize.
[2026-05-25 22:09:09] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 3182 ms
[2026-05-25 22:09:09] [INFO ] Added : 113 causal constraints over 23 iterations in 4496 ms. Result :sat
Minimization took 288 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 1] Max Struct:[8, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6, 1] Max Struct:[8, 8]
Support contains 16 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 568/568 transitions.
Applied a total of 0 rules in 14 ms. Remains 242 /242 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 242/242 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 568/568 transitions.
Applied a total of 0 rules in 13 ms. Remains 242 /242 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2026-05-25 22:09:11] [INFO ] Flow matrix only has 400 transitions (discarded 168 similar events)
[2026-05-25 22:09:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:09:11] [INFO ] Implicit Places using invariants in 452 ms returned []
[2026-05-25 22:09:11] [INFO ] Flow matrix only has 400 transitions (discarded 168 similar events)
[2026-05-25 22:09:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:09:11] [INFO ] State equation strengthened by 48 read => feed constraints.
[2026-05-25 22:09:12] [INFO ] Implicit Places using invariants and state equation in 822 ms returned []
Implicit Place search using SMT with State Equation took 1276 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:09:12] [INFO ] Redundant transitions in 60 ms returned []
Running 560 sub problems to find dead transitions.
[2026-05-25 22:09:12] [INFO ] Flow matrix only has 400 transitions (discarded 168 similar events)
[2026-05-25 22:09:12] [INFO ] Invariant cache hit.
[2026-05-25 22:09:12] [INFO ] State equation strengthened by 48 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 74/74 constraints. Problems are: Problem set: 0 solved, 560 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:17] [INFO ] Deduced a trap composed of 9 places in 262 ms of which 13 ms to minimize.
Problem TDEAD8 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:17] [INFO ] Deduced a trap composed of 9 places in 298 ms of which 20 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:18] [INFO ] Deduced a trap composed of 9 places in 221 ms of which 14 ms to minimize.
Problem TDEAD10 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:18] [INFO ] Deduced a trap composed of 9 places in 320 ms of which 22 ms to minimize.
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:18] [INFO ] Deduced a trap composed of 9 places in 319 ms of which 19 ms to minimize.
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:18] [INFO ] Deduced a trap composed of 9 places in 220 ms of which 14 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:19] [INFO ] Deduced a trap composed of 9 places in 219 ms of which 11 ms to minimize.
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:19] [INFO ] Deduced a trap composed of 9 places in 217 ms of which 11 ms to minimize.
Problem TDEAD15 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:19] [INFO ] Deduced a trap composed of 10 places in 139 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:19] [INFO ] Deduced a trap composed of 10 places in 218 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:20] [INFO ] Deduced a trap composed of 10 places in 317 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:20] [INFO ] Deduced a trap composed of 10 places in 312 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:20] [INFO ] Deduced a trap composed of 13 places in 217 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:20] [INFO ] Deduced a trap composed of 13 places in 253 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:21] [INFO ] Deduced a trap composed of 13 places in 355 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:21] [INFO ] Deduced a trap composed of 13 places in 350 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:22] [INFO ] Deduced a trap composed of 13 places in 208 ms of which 15 ms to minimize.
Problem TDEAD88 is UNSAT
Problem TDEAD97 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:22] [INFO ] Deduced a trap composed of 13 places in 159 ms of which 9 ms to minimize.
Problem TDEAD106 is UNSAT
Problem TDEAD115 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:23] [INFO ] Deduced a trap composed of 13 places in 250 ms of which 18 ms to minimize.
Problem TDEAD124 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:23] [INFO ] Deduced a trap composed of 13 places in 201 ms of which 11 ms to minimize.
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD237 is UNSAT
Problem TDEAD246 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD258 is UNSAT
Problem TDEAD263 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 20/94 constraints. Problems are: Problem set: 26 solved, 534 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:23] [INFO ] Deduced a trap composed of 7 places in 177 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:23] [INFO ] Deduced a trap composed of 7 places in 136 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 10 places in 118 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 10 places in 135 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 10 places in 135 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 10 places in 108 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 7 places in 116 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 10 places in 102 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 10 places in 123 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:24] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:26] [INFO ] Deduced a trap composed of 16 places in 298 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:26] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 3 ms to minimize.
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:26] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 4 ms to minimize.
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:26] [INFO ] Deduced a trap composed of 7 places in 43 ms of which 4 ms to minimize.
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:26] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 4 ms to minimize.
Problem TDEAD159 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:27] [INFO ] Deduced a trap composed of 41 places in 394 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:27] [INFO ] Deduced a trap composed of 41 places in 278 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:27] [INFO ] Deduced a trap composed of 41 places in 293 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:27] [INFO ] Deduced a trap composed of 41 places in 162 ms of which 8 ms to minimize.
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD257 is UNSAT
Problem TDEAD259 is UNSAT
Problem TDEAD260 is UNSAT
Problem TDEAD261 is UNSAT
Problem TDEAD262 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD556 is UNSAT
Problem TDEAD558 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD562 is UNSAT
Problem TDEAD564 is UNSAT
Problem TDEAD566 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 20/114 constraints. Problems are: Problem set: 47 solved, 513 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:29] [INFO ] Deduced a trap composed of 41 places in 115 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:29] [INFO ] Deduced a trap composed of 41 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:30] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 3 ms to minimize.
Problem TDEAD256 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:30] [INFO ] Deduced a trap composed of 16 places in 222 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:31] [INFO ] Deduced a trap composed of 16 places in 220 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:31] [INFO ] Deduced a trap composed of 16 places in 199 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:31] [INFO ] Deduced a trap composed of 16 places in 224 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:31] [INFO ] Deduced a trap composed of 16 places in 221 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:32] [INFO ] Deduced a trap composed of 16 places in 325 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:32] [INFO ] Deduced a trap composed of 17 places in 88 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:32] [INFO ] Deduced a trap composed of 17 places in 121 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:32] [INFO ] Deduced a trap composed of 17 places in 125 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:32] [INFO ] Deduced a trap composed of 17 places in 84 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:32] [INFO ] Deduced a trap composed of 17 places in 119 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:33] [INFO ] Deduced a trap composed of 17 places in 185 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:33] [INFO ] Deduced a trap composed of 17 places in 88 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:33] [INFO ] Deduced a trap composed of 17 places in 86 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:34] [INFO ] Deduced a trap composed of 22 places in 332 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:34] [INFO ] Deduced a trap composed of 23 places in 411 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:35] [INFO ] Deduced a trap composed of 24 places in 305 ms of which 24 ms to minimize.
Problem TDEAD256 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/134 constraints. Problems are: Problem set: 48 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:40] [INFO ] Deduced a trap composed of 16 places in 192 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:41] [INFO ] Deduced a trap composed of 22 places in 323 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:41] [INFO ] Deduced a trap composed of 23 places in 262 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:42] [INFO ] Deduced a trap composed of 23 places in 213 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:42] [INFO ] Deduced a trap composed of 23 places in 292 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:42] [INFO ] Deduced a trap composed of 22 places in 330 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:09:43] [INFO ] Deduced a trap composed of 23 places in 333 ms of which 36 ms to minimize.
SMT process timed out in 30479ms, After SMT, problems are : Problem set: 48 solved, 512 unsolved
Search for dead transitions found 48 dead transitions in 30509ms
Found 48 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 48 transitions
Dead transitions reduction (with SMT) removed 48 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 242/242 places, 520/568 transitions.
Applied a total of 0 rules in 13 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:09:43] [INFO ] Redundant transitions in 12 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 31920 ms. Remains : 242/242 places, 520/568 transitions.
[2026-05-25 22:09:43] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
// Phase 1: matrix 368 rows 242 cols
[2026-05-25 22:09:43] [INFO ] Computed 74 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6, 1] Max Struct:[8, 8]
RANDOM walk for 1000000 steps (2 resets) in 2508 ms. (398 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 1615 ms. (1237 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 1] Max Struct:[8, 8]
[2026-05-25 22:09:47] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:09:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:09:47] [INFO ] [Real]Absence check using 74 positive place invariants in 37 ms returned sat
[2026-05-25 22:09:47] [INFO ] [Real]Absence check using state equation in 199 ms returned sat
[2026-05-25 22:09:47] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:09:47] [INFO ] [Real]Added 40 Read/Feed constraints in 16 ms returned sat
[2026-05-25 22:09:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:09:47] [INFO ] [Nat]Absence check using 74 positive place invariants in 37 ms returned sat
[2026-05-25 22:09:47] [INFO ] [Nat]Absence check using state equation in 198 ms returned sat
[2026-05-25 22:09:47] [INFO ] [Nat]Added 40 Read/Feed constraints in 32 ms returned sat
[2026-05-25 22:09:48] [INFO ] Computed and/alt/rep : 248/1368/248 causal constraints (skipped 112 transitions) in 34 ms.
[2026-05-25 22:09:48] [INFO ] Added : 85 causal constraints over 17 iterations in 822 ms. Result :sat
Minimization took 231 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:09:49] [INFO ] [Real]Absence check using 74 positive place invariants in 26 ms returned sat
[2026-05-25 22:09:49] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2026-05-25 22:09:49] [INFO ] [Real]Added 40 Read/Feed constraints in 8 ms returned sat
[2026-05-25 22:09:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:09:49] [INFO ] [Nat]Absence check using 74 positive place invariants in 36 ms returned sat
[2026-05-25 22:09:49] [INFO ] [Nat]Absence check using state equation in 152 ms returned sat
[2026-05-25 22:09:49] [INFO ] [Nat]Added 40 Read/Feed constraints in 15 ms returned sat
[2026-05-25 22:09:49] [INFO ] Computed and/alt/rep : 248/1368/248 causal constraints (skipped 112 transitions) in 45 ms.
[2026-05-25 22:09:50] [INFO ] Added : 120 causal constraints over 24 iterations in 1023 ms. Result :sat
Minimization took 347 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 1] Max Struct:[8, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6, 1] Max Struct:[8, 8]
Support contains 16 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 20 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 242/242 places, 520/520 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 17 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2026-05-25 22:09:51] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:09:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:09:52] [INFO ] Implicit Places using invariants in 421 ms returned []
[2026-05-25 22:09:52] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:09:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:09:52] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:09:53] [INFO ] Implicit Places using invariants and state equation in 798 ms returned []
Implicit Place search using SMT with State Equation took 1221 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:09:53] [INFO ] Redundant transitions in 21 ms returned []
Running 512 sub problems to find dead transitions.
[2026-05-25 22:09:53] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:09:53] [INFO ] Invariant cache hit.
[2026-05-25 22:09:53] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (OVERLAPS) 8/242 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:04] [INFO ] Deduced a trap composed of 10 places in 200 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:04] [INFO ] Deduced a trap composed of 7 places in 220 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:04] [INFO ] Deduced a trap composed of 10 places in 227 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:05] [INFO ] Deduced a trap composed of 7 places in 241 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:05] [INFO ] Deduced a trap composed of 10 places in 242 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:05] [INFO ] Deduced a trap composed of 7 places in 306 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:05] [INFO ] Deduced a trap composed of 10 places in 203 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:06] [INFO ] Deduced a trap composed of 10 places in 189 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:06] [INFO ] Deduced a trap composed of 10 places in 195 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:06] [INFO ] Deduced a trap composed of 10 places in 279 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:06] [INFO ] Deduced a trap composed of 7 places in 279 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:07] [INFO ] Deduced a trap composed of 10 places in 174 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:07] [INFO ] Deduced a trap composed of 10 places in 185 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:07] [INFO ] Deduced a trap composed of 10 places in 200 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:07] [INFO ] Deduced a trap composed of 7 places in 195 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:07] [INFO ] Deduced a trap composed of 10 places in 268 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:08] [INFO ] Deduced a trap composed of 10 places in 286 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:08] [INFO ] Deduced a trap composed of 13 places in 265 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:08] [INFO ] Deduced a trap composed of 13 places in 247 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:09] [INFO ] Deduced a trap composed of 13 places in 336 ms of which 19 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:12] [INFO ] Deduced a trap composed of 9 places in 217 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:12] [INFO ] Deduced a trap composed of 13 places in 324 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:13] [INFO ] Deduced a trap composed of 13 places in 305 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:13] [INFO ] Deduced a trap composed of 13 places in 279 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:14] [INFO ] Deduced a trap composed of 13 places in 260 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:14] [INFO ] Deduced a trap composed of 13 places in 261 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:15] [INFO ] Deduced a trap composed of 16 places in 327 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:15] [INFO ] Deduced a trap composed of 9 places in 327 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:15] [INFO ] Deduced a trap composed of 41 places in 360 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:15] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:16] [INFO ] Deduced a trap composed of 9 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:16] [INFO ] Deduced a trap composed of 41 places in 250 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:16] [INFO ] Deduced a trap composed of 9 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:16] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:16] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:16] [INFO ] Deduced a trap composed of 41 places in 190 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:16] [INFO ] Deduced a trap composed of 9 places in 191 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:17] [INFO ] Deduced a trap composed of 41 places in 103 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:17] [INFO ] Deduced a trap composed of 42 places in 258 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:17] [INFO ] Deduced a trap composed of 43 places in 220 ms of which 35 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:19] [INFO ] Deduced a trap composed of 22 places in 360 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:20] [INFO ] Deduced a trap composed of 16 places in 141 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:20] [INFO ] Deduced a trap composed of 16 places in 103 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:20] [INFO ] Deduced a trap composed of 16 places in 123 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:20] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:21] [INFO ] Deduced a trap composed of 16 places in 116 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:21] [INFO ] Deduced a trap composed of 16 places in 94 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:21] [INFO ] Deduced a trap composed of 16 places in 123 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:21] [INFO ] Deduced a trap composed of 16 places in 88 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:21] [INFO ] Deduced a trap composed of 16 places in 240 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:21] [INFO ] Deduced a trap composed of 16 places in 223 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:22] [INFO ] Deduced a trap composed of 7 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:22] [INFO ] Deduced a trap composed of 16 places in 252 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:22] [INFO ] Deduced a trap composed of 7 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:23] [INFO ] Deduced a trap composed of 23 places in 366 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:23] [INFO ] Deduced a trap composed of 23 places in 352 ms of which 18 ms to minimize.
SMT process timed out in 30622ms, After SMT, problems are : Problem set: 0 solved, 512 unsolved
Search for dead transitions found 0 dead transitions in 30628ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31896 ms. Remains : 242/242 places, 520/520 transitions.
RANDOM walk for 40000 steps (8 resets) in 1727 ms. (23 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 355 ms. (112 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 245 ms. (162 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 4/4 properties
[2026-05-25 22:10:24] [INFO ] Flatten gal took : 424 ms
BEST_FIRST walk for 40003 steps (8 resets) in 214 ms. (186 steps per ms) remains 4/4 properties
[2026-05-25 22:10:24] [INFO ] Flatten gal took : 136 ms
[2026-05-25 22:10:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16661672110325760238.gal : 67 ms
[2026-05-25 22:10:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9386877093372664426.prop : 2 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/ReachabilityCardinality16661672110325760238.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9386877093372664426.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/ReachabilityCardinality9386877093372664426.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :7 after 21
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :21 after 33
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :33 after 71
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :71 after 152
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :152 after 778
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :778 after 1625
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1625 after 3386
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :3386 after 11073
Interrupted probabilistic random walk after 261209 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 4
Probabilistic random walk after 261209 steps, saw 142296 distinct states, run finished after 3006 ms. (steps per millisecond=86 ) properties seen :0
[2026-05-25 22:10:27] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:10:27] [INFO ] Invariant cache hit.
[2026-05-25 22:10:27] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 192/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :11073 after 71606
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 610/610 variables, and 356 constraints, problems are : Problem set: 0 solved, 4 unsolved in 769 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 192/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 4/360 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:29] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:29] [INFO ] Deduced a trap composed of 22 places in 374 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:30] [INFO ] Deduced a trap composed of 22 places in 371 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:30] [INFO ] Deduced a trap composed of 22 places in 359 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:30] [INFO ] Deduced a trap composed of 22 places in 363 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:31] [INFO ] Deduced a trap composed of 22 places in 325 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:31] [INFO ] Deduced a trap composed of 9 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:31] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/610 variables, 8/368 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:32] [INFO ] Deduced a trap composed of 22 places in 278 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:32] [INFO ] Deduced a trap composed of 9 places in 46 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/610 variables, 2/370 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:32] [INFO ] Deduced a trap composed of 7 places in 47 ms of which 5 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :71606 after 187328
At refinement iteration 11 (INCLUDED_ONLY) 0/610 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/610 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:33] [INFO ] Deduced a trap composed of 22 places in 310 ms of which 36 ms to minimize.
SMT process timed out in 5980ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1657 ms.
Support contains 16 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 16 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 242/242 places, 520/520 transitions.
RANDOM walk for 40000 steps (8 resets) in 288 ms. (138 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 142 ms. (279 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 150 ms. (264 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 153 ms. (259 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (8 resets) in 147 ms. (270 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 367255 steps, run timeout after 3001 ms. (steps per millisecond=122 ) properties seen :0 out of 4
Probabilistic random walk after 367255 steps, saw 194894 distinct states, run finished after 3001 ms. (steps per millisecond=122 ) properties seen :0
[2026-05-25 22:10:38] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:10:38] [INFO ] Invariant cache hit.
[2026-05-25 22:10:38] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 192/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 610/610 variables, and 356 constraints, problems are : Problem set: 0 solved, 4 unsolved in 652 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 192/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 4/360 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:40] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:40] [INFO ] Deduced a trap composed of 22 places in 271 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:40] [INFO ] Deduced a trap composed of 22 places in 341 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:41] [INFO ] Deduced a trap composed of 22 places in 335 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:41] [INFO ] Deduced a trap composed of 22 places in 325 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:41] [INFO ] Deduced a trap composed of 22 places in 318 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:42] [INFO ] Deduced a trap composed of 9 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:42] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/610 variables, 8/368 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:42] [INFO ] Deduced a trap composed of 22 places in 381 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:42] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/610 variables, 2/370 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:43] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 5 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/610 variables, 1/371 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/610 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:44] [INFO ] Deduced a trap composed of 22 places in 317 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:10:44] [INFO ] Deduced a trap composed of 22 places in 336 ms of which 33 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/610 variables, 2/373 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :187328 after 2.90484e+06
At refinement iteration 14 (INCLUDED_ONLY) 0/610 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 0/610 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 610/610 variables, and 373 constraints, problems are : Problem set: 0 solved, 4 unsolved in 6771 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7445ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 5249 ms.
Support contains 16 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 15 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 242/242 places, 520/520 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 10 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2026-05-25 22:10:51] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:10:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:10:51] [INFO ] Implicit Places using invariants in 353 ms returned []
[2026-05-25 22:10:51] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:10:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:10:51] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:10:52] [INFO ] Implicit Places using invariants and state equation in 732 ms returned []
Implicit Place search using SMT with State Equation took 1088 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:10:52] [INFO ] Redundant transitions in 11 ms returned []
Running 512 sub problems to find dead transitions.
[2026-05-25 22:10:52] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:10:52] [INFO ] Invariant cache hit.
[2026-05-25 22:10:52] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (OVERLAPS) 8/242 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:03] [INFO ] Deduced a trap composed of 10 places in 376 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:03] [INFO ] Deduced a trap composed of 7 places in 361 ms of which 20 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 65536
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :2.90484e+06 after 6.503e+06
[2026-05-25 22:11:04] [INFO ] Deduced a trap composed of 10 places in 274 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:04] [INFO ] Deduced a trap composed of 7 places in 272 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:04] [INFO ] Deduced a trap composed of 10 places in 254 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:05] [INFO ] Deduced a trap composed of 7 places in 246 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:05] [INFO ] Deduced a trap composed of 10 places in 241 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:05] [INFO ] Deduced a trap composed of 10 places in 231 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:05] [INFO ] Deduced a trap composed of 10 places in 238 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:06] [INFO ] Deduced a trap composed of 10 places in 266 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:06] [INFO ] Deduced a trap composed of 7 places in 229 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:06] [INFO ] Deduced a trap composed of 10 places in 218 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:06] [INFO ] Deduced a trap composed of 10 places in 239 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:07] [INFO ] Deduced a trap composed of 10 places in 238 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:07] [INFO ] Deduced a trap composed of 7 places in 244 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:07] [INFO ] Deduced a trap composed of 10 places in 219 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:07] [INFO ] Deduced a trap composed of 10 places in 222 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:08] [INFO ] Deduced a trap composed of 13 places in 256 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:08] [INFO ] Deduced a trap composed of 13 places in 250 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:08] [INFO ] Deduced a trap composed of 13 places in 253 ms of which 13 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:13] [INFO ] Deduced a trap composed of 9 places in 262 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:13] [INFO ] Deduced a trap composed of 13 places in 239 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:14] [INFO ] Deduced a trap composed of 13 places in 262 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:14] [INFO ] Deduced a trap composed of 13 places in 219 ms of which 11 ms to minimize.
Detected timeout of ITS tools.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:15] [INFO ] Flatten gal took : 97 ms
[2026-05-25 22:11:15] [INFO ] Applying decomposition
[2026-05-25 22:11:15] [INFO ] Flatten gal took : 111 ms
[2026-05-25 22:11:15] [INFO ] Deduced a trap composed of 13 places in 165 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:15] [INFO ] Deduced a trap composed of 13 places in 167 ms of which 11 ms to minimize.
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/graph5213562666890654094.txt' '-o' '/tmp/graph5213562666890654094.bin' '-w' '/tmp/graph5213562666890654094.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5213562666890654094.bin' '-l' '-1' '-v' '-w' '/tmp/graph5213562666890654094.weights' '-q' '0' '-e' '0.001'
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:15] [INFO ] Decomposing Gal with order
[2026-05-25 22:11:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 22:11:15] [INFO ] Removed a total of 699 redundant transitions.
[2026-05-25 22:11:15] [INFO ] Deduced a trap composed of 16 places in 315 ms of which 13 ms to minimize.
[2026-05-25 22:11:15] [INFO ] Flatten gal took : 229 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 276 labels/synchronizations in 79 ms.
[2026-05-25 22:11:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1599861175192949875.gal : 15 ms
[2026-05-25 22:11:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1563989520792757019.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/ReachabilityCardinality1599861175192949875.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1563989520792757019.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/ReachabilityCardinality1563989520792757019.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :4 after 6
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :6 after 21
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :21 after 33
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :33 after 53
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :53 after 101
[2026-05-25 22:11:16] [INFO ] Deduced a trap composed of 9 places in 516 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :101 after 278
[2026-05-25 22:11:16] [INFO ] Deduced a trap composed of 41 places in 295 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :278 after 1293
[2026-05-25 22:11:16] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:16] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:17] [INFO ] Deduced a trap composed of 41 places in 170 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1293 after 2161
[2026-05-25 22:11:17] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:17] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:17] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:17] [INFO ] Deduced a trap composed of 41 places in 118 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:17] [INFO ] Deduced a trap composed of 9 places in 171 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:17] [INFO ] Deduced a trap composed of 41 places in 115 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:17] [INFO ] Deduced a trap composed of 42 places in 196 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:18] [INFO ] Deduced a trap composed of 43 places in 255 ms of which 21 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :2161 after 8669
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :8669 after 38170
[2026-05-25 22:11:20] [INFO ] Deduced a trap composed of 22 places in 322 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:21] [INFO ] Deduced a trap composed of 16 places in 188 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:21] [INFO ] Deduced a trap composed of 16 places in 96 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:21] [INFO ] Deduced a trap composed of 16 places in 116 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:21] [INFO ] Deduced a trap composed of 16 places in 109 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:21] [INFO ] Deduced a trap composed of 16 places in 112 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:21] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:22] [INFO ] Deduced a trap composed of 16 places in 117 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:22] [INFO ] Deduced a trap composed of 16 places in 88 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:22] [INFO ] Deduced a trap composed of 16 places in 240 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:22] [INFO ] Deduced a trap composed of 16 places in 223 ms of which 15 ms to minimize.
SMT process timed out in 30284ms, After SMT, problems are : Problem set: 0 solved, 512 unsolved
Search for dead transitions found 0 dead transitions in 30287ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31413 ms. Remains : 242/242 places, 520/520 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 152 transitions
Reduce isomorphic transitions removed 152 transitions.
Iterating post reduction 0 with 152 rules applied. Total rules applied 152 place count 242 transition count 368
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 64 Pre rules applied. Total rules applied 152 place count 242 transition count 304
Deduced a syphon composed of 64 places in 0 ms
Ensure Unique test removed 56 places
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 1 with 184 rules applied. Total rules applied 336 place count 122 transition count 304
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 1 with 16 rules applied. Total rules applied 352 place count 114 transition count 296
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -56
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 368 place count 106 transition count 352
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 1 with 8 rules applied. Total rules applied 376 place count 106 transition count 352
Partial Post-agglomeration rule applied 8 times.
Drop transitions (Partial Post agglomeration) removed 8 transitions
Iterating global reduction 1 with 8 rules applied. Total rules applied 384 place count 106 transition count 352
Applied a total of 384 rules in 140 ms. Remains 106 /242 variables (removed 136) and now considering 352/520 (removed 168) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 352 rows 106 cols
[2026-05-25 22:11:22] [INFO ] Computed 18 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 22:11:22] [INFO ] [Real]Absence check using 18 positive place invariants in 8 ms returned sat
[2026-05-25 22:11:23] [INFO ] After 386ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 22:11:23] [INFO ] [Nat]Absence check using 18 positive place invariants in 8 ms returned sat
[2026-05-25 22:11:23] [INFO ] After 243ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2026-05-25 22:11:23] [INFO ] After 380ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2026-05-25 22:11:23] [INFO ] After 564ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2026-05-25 22:11:23] [INFO ] Flatten gal took : 49 ms
[2026-05-25 22:11:23] [INFO ] Flatten gal took : 39 ms
[2026-05-25 22:11:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15041636630907114720.gal : 9 ms
[2026-05-25 22:11:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16993062616267927474.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/ReachabilityCardinality15041636630907114720.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16993062616267927474.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
Loading property file /tmp/ReachabilityCardinality16993062616267927474.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :6 after 8
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :8 after 12
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :12 after 15
Invariant property MIN1 does not hold.
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :15 after 133
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :133 after 185
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :185 after 266
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :266 after 2298
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :2298 after 3805
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :3805 after 15248
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :15248 after 183765
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :38170 after 99919
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :183765 after 1.27738e+06
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1.27738e+06 after 3.49628e+06
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :3.49628e+06 after 1.78138e+07
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :1.78138e+07 after 4.46377e+07
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :4.46377e+07 after 1.32542e+08
Detected timeout of ITS tools.
[2026-05-25 22:11:38] [INFO ] Flatten gal took : 24 ms
[2026-05-25 22:11:38] [INFO ] Applying decomposition
[2026-05-25 22:11:38] [INFO ] Flatten gal took : 21 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/graph13063706464491576948.txt' '-o' '/tmp/graph13063706464491576948.bin' '-w' '/tmp/graph13063706464491576948.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13063706464491576948.bin' '-l' '-1' '-v' '-w' '/tmp/graph13063706464491576948.weights' '-q' '0' '-e' '0.001'
[2026-05-25 22:11:39] [INFO ] Decomposing Gal with order
[2026-05-25 22:11:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 22:11:39] [INFO ] Removed a total of 435 redundant transitions.
[2026-05-25 22:11:39] [INFO ] Flatten gal took : 71 ms
[2026-05-25 22:11:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 448 labels/synchronizations in 23 ms.
[2026-05-25 22:11:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17337736933004543075.gal : 4 ms
[2026-05-25 22:11:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4047098058656075427.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/ReachabilityCardinality17337736933004543075.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4047098058656075427.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/ReachabilityCardinality4047098058656075427.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :3 after 9
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :9 after 21
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :21 after 36
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :36 after 109
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :109 after 275
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :275 after 687
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :687 after 4306
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :4306 after 185518
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :185518 after 2.75768e+06
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :2.75768e+06 after 1.76293e+07
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1.76293e+07 after 6.42238e+07
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :6.42238e+07 after 3.47054e+08
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :99919 after 2.38707e+06
Invariant property MIN0 does not hold.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :3.47054e+08 after 1.19926e+09
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31629 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[6, 1] Max Struct:[8, 8]
Starting property specific reduction for LamportFastMutEx-COL-8-UpperBounds-03
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:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2026-05-25 22:11:54] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
// Phase 1: matrix 368 rows 242 cols
[2026-05-25 22:11:54] [INFO ] Computed 74 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10000 steps (2 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[8]
[2026-05-25 22:11:54] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:11:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:11:54] [INFO ] [Real]Absence check using 74 positive place invariants in 39 ms returned sat
[2026-05-25 22:11:54] [INFO ] [Real]Absence check using state equation in 228 ms returned sat
[2026-05-25 22:11:54] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:11:54] [INFO ] [Real]Added 40 Read/Feed constraints in 24 ms returned sat
[2026-05-25 22:11:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:11:54] [INFO ] [Nat]Absence check using 74 positive place invariants in 41 ms returned sat
[2026-05-25 22:11:55] [INFO ] [Nat]Absence check using state equation in 217 ms returned sat
[2026-05-25 22:11:55] [INFO ] [Nat]Added 40 Read/Feed constraints in 26 ms returned sat
[2026-05-25 22:11:55] [INFO ] Computed and/alt/rep : 248/1368/248 causal constraints (skipped 112 transitions) in 44 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:11:56] [INFO ] Deduced a trap composed of 41 places in 385 ms of which 41 ms to minimize.
[2026-05-25 22:11:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 456 ms
[2026-05-25 22:11:56] [INFO ] Added : 87 causal constraints over 18 iterations in 1422 ms. Result :sat
Minimization took 286 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[8]
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 20 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 242/242 places, 520/520 transitions.
[2026-05-25 22:11:57] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:11:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 2809 ms. (355 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 724 ms. (1379 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[8]
[2026-05-25 22:12:00] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:12:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:12:00] [INFO ] [Real]Absence check using 74 positive place invariants in 28 ms returned sat
[2026-05-25 22:12:01] [INFO ] [Real]Absence check using state equation in 168 ms returned sat
[2026-05-25 22:12:01] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:12:01] [INFO ] [Real]Added 40 Read/Feed constraints in 12 ms returned sat
[2026-05-25 22:12:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:12:01] [INFO ] [Nat]Absence check using 74 positive place invariants in 35 ms returned sat
[2026-05-25 22:12:01] [INFO ] [Nat]Absence check using state equation in 211 ms returned sat
[2026-05-25 22:12:01] [INFO ] [Nat]Added 40 Read/Feed constraints in 29 ms returned sat
[2026-05-25 22:12:01] [INFO ] Computed and/alt/rep : 248/1368/248 causal constraints (skipped 112 transitions) in 42 ms.
[2026-05-25 22:12:02] [INFO ] Added : 85 causal constraints over 17 iterations in 808 ms. Result :sat
Minimization took 214 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[8]
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 14 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 242/242 places, 520/520 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 13 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2026-05-25 22:12:03] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:12:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:12:03] [INFO ] Implicit Places using invariants in 563 ms returned []
[2026-05-25 22:12:03] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:12:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:12:04] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:12:04] [INFO ] Implicit Places using invariants and state equation in 1153 ms returned []
Implicit Place search using SMT with State Equation took 1717 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:12:04] [INFO ] Redundant transitions in 6 ms returned []
Running 512 sub problems to find dead transitions.
[2026-05-25 22:12:04] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:12:04] [INFO ] Invariant cache hit.
[2026-05-25 22:12:04] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (OVERLAPS) 8/242 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:18] [INFO ] Deduced a trap composed of 10 places in 381 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:18] [INFO ] Deduced a trap composed of 7 places in 377 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:18] [INFO ] Deduced a trap composed of 10 places in 366 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:19] [INFO ] Deduced a trap composed of 7 places in 368 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:19] [INFO ] Deduced a trap composed of 10 places in 355 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:19] [INFO ] Deduced a trap composed of 7 places in 340 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:20] [INFO ] Deduced a trap composed of 10 places in 327 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:20] [INFO ] Deduced a trap composed of 10 places in 317 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:20] [INFO ] Deduced a trap composed of 10 places in 326 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:21] [INFO ] Deduced a trap composed of 10 places in 305 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:21] [INFO ] Deduced a trap composed of 7 places in 329 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:21] [INFO ] Deduced a trap composed of 10 places in 290 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:22] [INFO ] Deduced a trap composed of 10 places in 327 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:22] [INFO ] Deduced a trap composed of 10 places in 336 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:22] [INFO ] Deduced a trap composed of 7 places in 334 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:23] [INFO ] Deduced a trap composed of 10 places in 308 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:23] [INFO ] Deduced a trap composed of 10 places in 338 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:24] [INFO ] Deduced a trap composed of 13 places in 346 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:24] [INFO ] Deduced a trap composed of 13 places in 335 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:24] [INFO ] Deduced a trap composed of 13 places in 300 ms of which 19 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:29] [INFO ] Deduced a trap composed of 9 places in 359 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:29] [INFO ] Deduced a trap composed of 13 places in 356 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:30] [INFO ] Deduced a trap composed of 13 places in 333 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:31] [INFO ] Deduced a trap composed of 13 places in 283 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:31] [INFO ] Deduced a trap composed of 13 places in 289 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:31] [INFO ] Deduced a trap composed of 13 places in 301 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:32] [INFO ] Deduced a trap composed of 16 places in 375 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:32] [INFO ] Deduced a trap composed of 9 places in 357 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:33] [INFO ] Deduced a trap composed of 41 places in 368 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:33] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:33] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:33] [INFO ] Deduced a trap composed of 41 places in 271 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:33] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:33] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:34] [INFO ] Deduced a trap composed of 9 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:34] [INFO ] Deduced a trap composed of 41 places in 193 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:34] [INFO ] Deduced a trap composed of 9 places in 177 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:34] [INFO ] Deduced a trap composed of 41 places in 130 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:34] [INFO ] Deduced a trap composed of 42 places in 258 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:35] [INFO ] Deduced a trap composed of 43 places in 266 ms of which 20 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/610 variables, and 114 constraints, problems are : Problem set: 0 solved, 512 unsolved in 30069 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 0/242 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 512/512 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 3 (OVERLAPS) 8/242 variables, 64/95 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 19/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:43] [INFO ] Deduced a trap composed of 16 places in 175 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:44] [INFO ] Deduced a trap composed of 16 places in 113 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:44] [INFO ] Deduced a trap composed of 16 places in 104 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:44] [INFO ] Deduced a trap composed of 16 places in 109 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:44] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:44] [INFO ] Deduced a trap composed of 16 places in 97 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:44] [INFO ] Deduced a trap composed of 16 places in 118 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:44] [INFO ] Deduced a trap composed of 16 places in 100 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:44] [INFO ] Deduced a trap composed of 16 places in 209 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:45] [INFO ] Deduced a trap composed of 16 places in 213 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:45] [INFO ] Deduced a trap composed of 7 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:45] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:46] [INFO ] Deduced a trap composed of 22 places in 394 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:46] [INFO ] Deduced a trap composed of 23 places in 403 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:47] [INFO ] Deduced a trap composed of 23 places in 376 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:47] [INFO ] Deduced a trap composed of 23 places in 352 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:48] [INFO ] Deduced a trap composed of 23 places in 417 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:48] [INFO ] Deduced a trap composed of 23 places in 381 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:48] [INFO ] Deduced a trap composed of 22 places in 378 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:49] [INFO ] Deduced a trap composed of 22 places in 375 ms of which 35 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 20/134 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:51] [INFO ] Deduced a trap composed of 17 places in 322 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:51] [INFO ] Deduced a trap composed of 16 places in 222 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:52] [INFO ] Deduced a trap composed of 16 places in 255 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:52] [INFO ] Deduced a trap composed of 16 places in 235 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:52] [INFO ] Deduced a trap composed of 7 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:52] [INFO ] Deduced a trap composed of 16 places in 284 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:53] [INFO ] Deduced a trap composed of 22 places in 360 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:54] [INFO ] Deduced a trap composed of 23 places in 217 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:54] [INFO ] Deduced a trap composed of 23 places in 283 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:54] [INFO ] Deduced a trap composed of 23 places in 261 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:55] [INFO ] Deduced a trap composed of 23 places in 324 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:55] [INFO ] Deduced a trap composed of 24 places in 353 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:55] [INFO ] Deduced a trap composed of 24 places in 216 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:56] [INFO ] Deduced a trap composed of 22 places in 285 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:56] [INFO ] Deduced a trap composed of 22 places in 286 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:56] [INFO ] Deduced a trap composed of 23 places in 363 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:57] [INFO ] Deduced a trap composed of 23 places in 362 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:57] [INFO ] Deduced a trap composed of 23 places in 349 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:57] [INFO ] Deduced a trap composed of 24 places in 347 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:12:58] [INFO ] Deduced a trap composed of 24 places in 377 ms of which 35 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:00] [INFO ] Deduced a trap composed of 17 places in 386 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:01] [INFO ] Deduced a trap composed of 22 places in 362 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:03] [INFO ] Deduced a trap composed of 23 places in 372 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:03] [INFO ] Deduced a trap composed of 23 places in 372 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:04] [INFO ] Deduced a trap composed of 23 places in 367 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:04] [INFO ] Deduced a trap composed of 23 places in 385 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:04] [INFO ] Deduced a trap composed of 24 places in 371 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:05] [INFO ] Deduced a trap composed of 22 places in 361 ms of which 33 ms to minimize.
SMT process timed out in 60344ms, After SMT, problems are : Problem set: 0 solved, 512 unsolved
Search for dead transitions found 0 dead transitions in 60348ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62095 ms. Remains : 242/242 places, 520/520 transitions.
[2026-05-25 22:13:05] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:13:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 2777 ms. (359 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 985 ms. (1014 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[8]
[2026-05-25 22:13:09] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:13:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:13:09] [INFO ] [Real]Absence check using 74 positive place invariants in 34 ms returned sat
[2026-05-25 22:13:09] [INFO ] [Real]Absence check using state equation in 190 ms returned sat
[2026-05-25 22:13:09] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:13:09] [INFO ] [Real]Added 40 Read/Feed constraints in 15 ms returned sat
[2026-05-25 22:13:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:13:09] [INFO ] [Nat]Absence check using 74 positive place invariants in 40 ms returned sat
[2026-05-25 22:13:09] [INFO ] [Nat]Absence check using state equation in 212 ms returned sat
[2026-05-25 22:13:09] [INFO ] [Nat]Added 40 Read/Feed constraints in 31 ms returned sat
[2026-05-25 22:13:09] [INFO ] Computed and/alt/rep : 248/1368/248 causal constraints (skipped 112 transitions) in 43 ms.
[2026-05-25 22:13:10] [INFO ] Added : 85 causal constraints over 17 iterations in 955 ms. Result :sat
Minimization took 223 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[8]
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 8 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 242/242 places, 520/520 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 8 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2026-05-25 22:13:11] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:13:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:13:11] [INFO ] Implicit Places using invariants in 443 ms returned []
[2026-05-25 22:13:11] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:13:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:13:12] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:13:12] [INFO ] Implicit Places using invariants and state equation in 1017 ms returned []
Implicit Place search using SMT with State Equation took 1462 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:13:12] [INFO ] Redundant transitions in 5 ms returned []
Running 512 sub problems to find dead transitions.
[2026-05-25 22:13:12] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:13:12] [INFO ] Invariant cache hit.
[2026-05-25 22:13:12] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (OVERLAPS) 8/242 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:26] [INFO ] Deduced a trap composed of 10 places in 329 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:26] [INFO ] Deduced a trap composed of 7 places in 330 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:26] [INFO ] Deduced a trap composed of 10 places in 330 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:27] [INFO ] Deduced a trap composed of 7 places in 331 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:27] [INFO ] Deduced a trap composed of 10 places in 301 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:27] [INFO ] Deduced a trap composed of 7 places in 278 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:28] [INFO ] Deduced a trap composed of 10 places in 312 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:28] [INFO ] Deduced a trap composed of 10 places in 313 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:28] [INFO ] Deduced a trap composed of 10 places in 332 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:29] [INFO ] Deduced a trap composed of 10 places in 318 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:29] [INFO ] Deduced a trap composed of 7 places in 312 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:29] [INFO ] Deduced a trap composed of 10 places in 254 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:30] [INFO ] Deduced a trap composed of 10 places in 315 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:30] [INFO ] Deduced a trap composed of 10 places in 340 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:30] [INFO ] Deduced a trap composed of 7 places in 342 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:31] [INFO ] Deduced a trap composed of 10 places in 301 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:31] [INFO ] Deduced a trap composed of 10 places in 324 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:31] [INFO ] Deduced a trap composed of 13 places in 352 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:32] [INFO ] Deduced a trap composed of 13 places in 341 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:32] [INFO ] Deduced a trap composed of 13 places in 344 ms of which 20 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:37] [INFO ] Deduced a trap composed of 9 places in 318 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:37] [INFO ] Deduced a trap composed of 13 places in 277 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:38] [INFO ] Deduced a trap composed of 13 places in 290 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:38] [INFO ] Deduced a trap composed of 13 places in 264 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:38] [INFO ] Deduced a trap composed of 13 places in 277 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:39] [INFO ] Deduced a trap composed of 13 places in 294 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:39] [INFO ] Deduced a trap composed of 16 places in 387 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:40] [INFO ] Deduced a trap composed of 9 places in 362 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:40] [INFO ] Deduced a trap composed of 41 places in 374 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:40] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:40] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:41] [INFO ] Deduced a trap composed of 41 places in 277 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:41] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:41] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:41] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:41] [INFO ] Deduced a trap composed of 41 places in 197 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:41] [INFO ] Deduced a trap composed of 9 places in 180 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:42] [INFO ] Deduced a trap composed of 41 places in 138 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:42] [INFO ] Deduced a trap composed of 42 places in 263 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:42] [INFO ] Deduced a trap composed of 43 places in 248 ms of which 20 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/610 variables, and 114 constraints, problems are : Problem set: 0 solved, 512 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 0/242 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 512/512 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 3 (OVERLAPS) 8/242 variables, 64/95 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 19/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:51] [INFO ] Deduced a trap composed of 16 places in 172 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:51] [INFO ] Deduced a trap composed of 16 places in 125 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:51] [INFO ] Deduced a trap composed of 16 places in 119 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:52] [INFO ] Deduced a trap composed of 16 places in 120 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:52] [INFO ] Deduced a trap composed of 16 places in 126 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:52] [INFO ] Deduced a trap composed of 16 places in 116 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:52] [INFO ] Deduced a trap composed of 16 places in 121 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:52] [INFO ] Deduced a trap composed of 16 places in 125 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:52] [INFO ] Deduced a trap composed of 16 places in 254 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:53] [INFO ] Deduced a trap composed of 16 places in 242 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:53] [INFO ] Deduced a trap composed of 7 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:53] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:54] [INFO ] Deduced a trap composed of 22 places in 370 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:54] [INFO ] Deduced a trap composed of 23 places in 370 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:55] [INFO ] Deduced a trap composed of 23 places in 355 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:55] [INFO ] Deduced a trap composed of 23 places in 342 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:55] [INFO ] Deduced a trap composed of 23 places in 361 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:56] [INFO ] Deduced a trap composed of 23 places in 349 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:56] [INFO ] Deduced a trap composed of 22 places in 375 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:13:56] [INFO ] Deduced a trap composed of 22 places in 332 ms of which 22 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 20/134 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:00] [INFO ] Deduced a trap composed of 17 places in 365 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:00] [INFO ] Deduced a trap composed of 16 places in 247 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:00] [INFO ] Deduced a trap composed of 16 places in 255 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:01] [INFO ] Deduced a trap composed of 16 places in 271 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:01] [INFO ] Deduced a trap composed of 7 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:01] [INFO ] Deduced a trap composed of 16 places in 288 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:02] [INFO ] Deduced a trap composed of 22 places in 378 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:02] [INFO ] Deduced a trap composed of 23 places in 376 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:03] [INFO ] Deduced a trap composed of 23 places in 402 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:03] [INFO ] Deduced a trap composed of 23 places in 367 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:03] [INFO ] Deduced a trap composed of 23 places in 372 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:04] [INFO ] Deduced a trap composed of 24 places in 346 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:04] [INFO ] Deduced a trap composed of 24 places in 337 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:05] [INFO ] Deduced a trap composed of 22 places in 298 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:05] [INFO ] Deduced a trap composed of 22 places in 271 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:05] [INFO ] Deduced a trap composed of 23 places in 364 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:06] [INFO ] Deduced a trap composed of 23 places in 360 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:06] [INFO ] Deduced a trap composed of 23 places in 325 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:06] [INFO ] Deduced a trap composed of 24 places in 338 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:07] [INFO ] Deduced a trap composed of 24 places in 340 ms of which 35 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:09] [INFO ] Deduced a trap composed of 17 places in 270 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:09] [INFO ] Deduced a trap composed of 22 places in 373 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:11] [INFO ] Deduced a trap composed of 23 places in 383 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:12] [INFO ] Deduced a trap composed of 23 places in 372 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:12] [INFO ] Deduced a trap composed of 23 places in 348 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:12] [INFO ] Deduced a trap composed of 23 places in 373 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:13] [INFO ] Deduced a trap composed of 24 places in 377 ms of which 38 ms to minimize.
SMT process timed out in 60523ms, After SMT, problems are : Problem set: 0 solved, 512 unsolved
Search for dead transitions found 0 dead transitions in 60526ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62011 ms. Remains : 242/242 places, 520/520 transitions.
[2026-05-25 22:14:13] [INFO ] Flatten gal took : 50 ms
[2026-05-25 22:14:13] [INFO ] Flatten gal took : 43 ms
[2026-05-25 22:14:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17563870494001883064.gal : 10 ms
[2026-05-25 22:14:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7261396849349534505.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/ReachabilityCardinality17563870494001883064.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7261396849349534505.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
RANDOM walk for 40000 steps (8 resets) in 664 ms. (60 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 111 ms. (357 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality7261396849349534505.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 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 21
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :21 after 33
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :33 after 71
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :71 after 152
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :152 after 778
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :778 after 1625
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1625 after 3386
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3386 after 11073
Interrupted probabilistic random walk after 419753 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 2
Probabilistic random walk after 419753 steps, saw 221095 distinct states, run finished after 3001 ms. (steps per millisecond=139 ) properties seen :0
[2026-05-25 22:14:16] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:14:16] [INFO ] Invariant cache hit.
[2026-05-25 22:14:16] [INFO ] State equation strengthened by 40 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
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :11073 after 71606
At refinement iteration 1 (OVERLAPS) 200/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 610/610 variables, and 356 constraints, problems are : Problem set: 0 solved, 2 unsolved in 432 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 200/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:17] [INFO ] Deduced a trap composed of 10 places in 211 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/610 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/610 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/610 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 610/610 variables, and 359 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1071 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1513ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1141 ms.
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 8 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 242/242 places, 520/520 transitions.
RANDOM walk for 40000 steps (8 resets) in 236 ms. (168 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :71606 after 187328
Interrupted probabilistic random walk after 354632 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 2
Probabilistic random walk after 354632 steps, saw 188420 distinct states, run finished after 3001 ms. (steps per millisecond=118 ) properties seen :0
[2026-05-25 22:14:22] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:14:22] [INFO ] Invariant cache hit.
[2026-05-25 22:14:22] [INFO ] State equation strengthened by 40 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) 200/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 610/610 variables, and 356 constraints, problems are : Problem set: 0 solved, 2 unsolved in 387 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 200/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:23] [INFO ] Deduced a trap composed of 10 places in 197 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/610 variables, 1/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/610 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/610 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 610/610 variables, and 359 constraints, problems are : Problem set: 0 solved, 2 unsolved in 906 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1305ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1049 ms.
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 7 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 242/242 places, 520/520 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 7 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2026-05-25 22:14:24] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:14:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:14:25] [INFO ] Implicit Places using invariants in 320 ms returned []
[2026-05-25 22:14:25] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:14:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:14:25] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:14:25] [INFO ] Implicit Places using invariants and state equation in 689 ms returned []
Implicit Place search using SMT with State Equation took 1025 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:14:25] [INFO ] Redundant transitions in 4 ms returned []
Running 512 sub problems to find dead transitions.
[2026-05-25 22:14:25] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:14:25] [INFO ] Invariant cache hit.
[2026-05-25 22:14:25] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :187328 after 2.90484e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (OVERLAPS) 8/242 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:38] [INFO ] Deduced a trap composed of 10 places in 307 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:38] [INFO ] Deduced a trap composed of 7 places in 320 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:38] [INFO ] Deduced a trap composed of 10 places in 226 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:38] [INFO ] Deduced a trap composed of 7 places in 278 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:39] [INFO ] Deduced a trap composed of 10 places in 329 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:39] [INFO ] Deduced a trap composed of 7 places in 320 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:39] [INFO ] Deduced a trap composed of 10 places in 289 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:40] [INFO ] Deduced a trap composed of 10 places in 278 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:40] [INFO ] Deduced a trap composed of 10 places in 301 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:40] [INFO ] Deduced a trap composed of 10 places in 296 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:41] [INFO ] Deduced a trap composed of 7 places in 294 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:41] [INFO ] Deduced a trap composed of 10 places in 270 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:41] [INFO ] Deduced a trap composed of 10 places in 281 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:42] [INFO ] Deduced a trap composed of 10 places in 286 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:42] [INFO ] Deduced a trap composed of 7 places in 267 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:42] [INFO ] Deduced a trap composed of 10 places in 220 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:42] [INFO ] Deduced a trap composed of 10 places in 232 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:43] [INFO ] Deduced a trap composed of 13 places in 264 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:43] [INFO ] Deduced a trap composed of 13 places in 312 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:43] [INFO ] Deduced a trap composed of 13 places in 311 ms of which 18 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:47] [INFO ] Deduced a trap composed of 9 places in 324 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:48] [INFO ] Deduced a trap composed of 13 places in 235 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:49] [INFO ] Deduced a trap composed of 13 places in 324 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:49] [INFO ] Deduced a trap composed of 13 places in 269 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:49] [INFO ] Deduced a trap composed of 13 places in 261 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:50] [INFO ] Deduced a trap composed of 13 places in 164 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:50] [INFO ] Deduced a trap composed of 16 places in 259 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:50] [INFO ] Deduced a trap composed of 9 places in 307 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 41 places in 273 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 9 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 41 places in 188 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 41 places in 112 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:51] [INFO ] Deduced a trap composed of 9 places in 112 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:52] [INFO ] Deduced a trap composed of 41 places in 107 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:52] [INFO ] Deduced a trap composed of 42 places in 182 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:52] [INFO ] Deduced a trap composed of 43 places in 182 ms of which 19 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:54] [INFO ] Deduced a trap composed of 22 places in 308 ms of which 15 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.90484e+06 after 6.503e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:55] [INFO ] Deduced a trap composed of 16 places in 161 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:55] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:55] [INFO ] Deduced a trap composed of 16 places in 124 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:55] [INFO ] Deduced a trap composed of 16 places in 94 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:55] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:55] [INFO ] Deduced a trap composed of 16 places in 94 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:55] [INFO ] Deduced a trap composed of 16 places in 94 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:56] [INFO ] Deduced a trap composed of 16 places in 96 ms of which 5 ms to minimize.
SMT process timed out in 30213ms, After SMT, problems are : Problem set: 0 solved, 512 unsolved
Search for dead transitions found 0 dead transitions in 30215ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31256 ms. Remains : 242/242 places, 520/520 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 152 transitions
Reduce isomorphic transitions removed 152 transitions.
Iterating post reduction 0 with 152 rules applied. Total rules applied 152 place count 242 transition count 368
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 64 Pre rules applied. Total rules applied 152 place count 242 transition count 304
Deduced a syphon composed of 64 places in 0 ms
Ensure Unique test removed 56 places
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 1 with 184 rules applied. Total rules applied 336 place count 122 transition count 304
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 1 with 32 rules applied. Total rules applied 368 place count 106 transition count 288
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -56
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 384 place count 98 transition count 344
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 1 with 8 rules applied. Total rules applied 392 place count 98 transition count 344
Applied a total of 392 rules in 26 ms. Remains 98 /242 variables (removed 144) and now considering 344/520 (removed 176) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 344 rows 98 cols
[2026-05-25 22:14:56] [INFO ] Computed 18 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 22:14:56] [INFO ] [Real]Absence check using 18 positive place invariants in 7 ms returned sat
[2026-05-25 22:14:56] [INFO ] After 249ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 22:14:56] [INFO ] [Nat]Absence check using 18 positive place invariants in 7 ms returned sat
[2026-05-25 22:14:56] [INFO ] After 209ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:56] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:14:56] [INFO ] Deduced a trap composed of 4 places in 31 ms of which 3 ms to minimize.
[2026-05-25 22:14:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
TRAPS : Iteration 1
[2026-05-25 22:14:56] [INFO ] After 478ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 22:14:56] [INFO ] After 608ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 22:14:57] [INFO ] Flatten gal took : 19 ms
[2026-05-25 22:14:57] [INFO ] Flatten gal took : 16 ms
[2026-05-25 22:14:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4465647484613822781.gal : 6 ms
[2026-05-25 22:14:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15386146455871643949.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/ReachabilityCardinality4465647484613822781.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15386146455871643949.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/ReachabilityCardinality15386146455871643949.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 11
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :11 after 14
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :14 after 113
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :113 after 192
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :192 after 1779
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1779 after 3106
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :3106 after 15260
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :15260 after 232192
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :232192 after 1.12678e+06
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.12678e+06 after 2.84979e+06
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :2.84979e+06 after 1.54084e+07
Detected timeout of ITS tools.
[2026-05-25 22:15:03] [INFO ] Flatten gal took : 28 ms
[2026-05-25 22:15:03] [INFO ] Applying decomposition
[2026-05-25 22:15:03] [INFO ] Flatten gal took : 25 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/graph1972048014317605771.txt' '-o' '/tmp/graph1972048014317605771.bin' '-w' '/tmp/graph1972048014317605771.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1972048014317605771.bin' '-l' '-1' '-v' '-w' '/tmp/graph1972048014317605771.weights' '-q' '0' '-e' '0.001'
[2026-05-25 22:15:03] [INFO ] Decomposing Gal with order
[2026-05-25 22:15:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 22:15:03] [INFO ] Removed a total of 748 redundant transitions.
[2026-05-25 22:15:03] [INFO ] Flatten gal took : 74 ms
[2026-05-25 22:15:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 242 labels/synchronizations in 22 ms.
[2026-05-25 22:15:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7583281998898218073.gal : 7 ms
[2026-05-25 22:15:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11111599128534343462.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/ReachabilityCardinality7583281998898218073.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11111599128534343462.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/ReachabilityCardinality11111599128534343462.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 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 20
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :20 after 29
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :29 after 53
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :53 after 101
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :101 after 233
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :233 after 1019
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1019 after 1884
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1884 after 14499
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :1.54084e+07 after 4.97863e+07
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :14499 after 26174
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :26174 after 98125
Detected timeout of ITS tools.
[2026-05-25 22:15:12] [INFO ] Flatten gal took : 13 ms
[2026-05-25 22:15:12] [INFO ] Applying decomposition
[2026-05-25 22:15:12] [INFO ] Flatten gal took : 16 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/graph546317382659144946.txt' '-o' '/tmp/graph546317382659144946.bin' '-w' '/tmp/graph546317382659144946.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph546317382659144946.bin' '-l' '-1' '-v' '-w' '/tmp/graph546317382659144946.weights' '-q' '0' '-e' '0.001'
[2026-05-25 22:15:12] [INFO ] Decomposing Gal with order
[2026-05-25 22:15:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 22:15:12] [INFO ] Removed a total of 491 redundant transitions.
[2026-05-25 22:15:12] [INFO ] Flatten gal took : 63 ms
[2026-05-25 22:15:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 268 labels/synchronizations in 19 ms.
[2026-05-25 22:15:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15787124633511743373.gal : 3 ms
[2026-05-25 22:15:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17326572701819215306.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/ReachabilityCardinality15787124633511743373.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17326572701819215306.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
Loading property file /tmp/ReachabilityCardinality17326572701819215306.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 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 23
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :23 after 48
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :48 after 110
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :110 after 418
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :418 after 912
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :912 after 17369
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :17369 after 1.05302e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.05302e+06 after 1.1135e+07
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.1135e+07 after 7.77663e+07
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.77663e+07 after 3.29681e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2.24696e+09 after 2.25195e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.25195e+09 after 3.90051e+09
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :98125 after 658981
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,1.56368e+10,13.2496,255212,2,26138,21,1.13739e+06,7,0,663,1.22695e+06,0
Total reachable state count : 15636821984
Verifying 2 reachability properties.
Reachability property MAX0 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,1,13.2837,255212,2,99,21,1.13739e+06,7,0,720,1.22695e+06,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1,13.3022,255212,2,99,21,1.13739e+06,8,0,762,1.22695e+06,0
Over-approximation ignoring read arcs solved 0 properties in 29572 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[6] Max Struct:[8]
Ending property specific reduction for LamportFastMutEx-COL-8-UpperBounds-03 in 211346 ms.
Starting property specific reduction for LamportFastMutEx-COL-8-UpperBounds-09
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:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2026-05-25 22:15:25] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
// Phase 1: matrix 368 rows 242 cols
[2026-05-25 22:15:25] [INFO ] Computed 74 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10000 steps (2 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2026-05-25 22:15:25] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:15:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:15:25] [INFO ] [Real]Absence check using 74 positive place invariants in 33 ms returned sat
[2026-05-25 22:15:26] [INFO ] [Real]Absence check using state equation in 207 ms returned sat
[2026-05-25 22:15:26] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:15:26] [INFO ] [Real]Added 40 Read/Feed constraints in 14 ms returned sat
[2026-05-25 22:15:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 22:15:26] [INFO ] [Nat]Absence check using 74 positive place invariants in 41 ms returned sat
[2026-05-25 22:15:26] [INFO ] [Nat]Absence check using state equation in 224 ms returned sat
[2026-05-25 22:15:26] [INFO ] [Nat]Added 40 Read/Feed constraints in 24 ms returned sat
[2026-05-25 22:15:26] [INFO ] Computed and/alt/rep : 248/1368/248 causal constraints (skipped 112 transitions) in 47 ms.
[2026-05-25 22:15:27] [INFO ] Added : 120 causal constraints over 24 iterations in 1413 ms. Result :sat
Minimization took 511 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[8]
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 12 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 242/242 places, 520/520 transitions.
[2026-05-25 22:15:28] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:15:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 2684 ms. (372 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 784 ms. (1273 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2026-05-25 22:15:31] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:15:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:15:32] [INFO ] [Real]Absence check using 74 positive place invariants in 24 ms returned sat
[2026-05-25 22:15:32] [INFO ] [Real]Absence check using state equation in 130 ms returned sat
[2026-05-25 22:15:32] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:15:32] [INFO ] [Real]Added 40 Read/Feed constraints in 8 ms returned sat
[2026-05-25 22:15:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 22:15:32] [INFO ] [Nat]Absence check using 74 positive place invariants in 33 ms returned sat
[2026-05-25 22:15:32] [INFO ] [Nat]Absence check using state equation in 193 ms returned sat
[2026-05-25 22:15:32] [INFO ] [Nat]Added 40 Read/Feed constraints in 21 ms returned sat
[2026-05-25 22:15:32] [INFO ] Computed and/alt/rep : 248/1368/248 causal constraints (skipped 112 transitions) in 39 ms.
[2026-05-25 22:15:33] [INFO ] Added : 120 causal constraints over 24 iterations in 1395 ms. Result :sat
Minimization took 514 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[8]
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 11 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 242/242 places, 520/520 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 12 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2026-05-25 22:15:34] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:15:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:15:35] [INFO ] Implicit Places using invariants in 570 ms returned []
[2026-05-25 22:15:35] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:15:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:15:35] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-25 22:15:36] [INFO ] Implicit Places using invariants and state equation in 923 ms returned []
Implicit Place search using SMT with State Equation took 1495 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:15:36] [INFO ] Redundant transitions in 5 ms returned []
Running 512 sub problems to find dead transitions.
[2026-05-25 22:15:36] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:15:36] [INFO ] Invariant cache hit.
[2026-05-25 22:15:36] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (OVERLAPS) 8/242 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:48] [INFO ] Deduced a trap composed of 10 places in 386 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:49] [INFO ] Deduced a trap composed of 7 places in 375 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:49] [INFO ] Deduced a trap composed of 10 places in 344 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:49] [INFO ] Deduced a trap composed of 7 places in 355 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:50] [INFO ] Deduced a trap composed of 10 places in 347 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:50] [INFO ] Deduced a trap composed of 7 places in 336 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:50] [INFO ] Deduced a trap composed of 10 places in 291 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:51] [INFO ] Deduced a trap composed of 10 places in 283 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:51] [INFO ] Deduced a trap composed of 10 places in 321 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:51] [INFO ] Deduced a trap composed of 10 places in 317 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:52] [INFO ] Deduced a trap composed of 7 places in 339 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:52] [INFO ] Deduced a trap composed of 10 places in 292 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:52] [INFO ] Deduced a trap composed of 10 places in 297 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:53] [INFO ] Deduced a trap composed of 10 places in 326 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:53] [INFO ] Deduced a trap composed of 7 places in 319 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:53] [INFO ] Deduced a trap composed of 10 places in 295 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:54] [INFO ] Deduced a trap composed of 10 places in 320 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:54] [INFO ] Deduced a trap composed of 13 places in 354 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:54] [INFO ] Deduced a trap composed of 13 places in 340 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:15:55] [INFO ] Deduced a trap composed of 13 places in 334 ms of which 20 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:00] [INFO ] Deduced a trap composed of 9 places in 360 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:00] [INFO ] Deduced a trap composed of 13 places in 346 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:01] [INFO ] Deduced a trap composed of 13 places in 336 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:01] [INFO ] Deduced a trap composed of 13 places in 301 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:02] [INFO ] Deduced a trap composed of 13 places in 293 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:02] [INFO ] Deduced a trap composed of 13 places in 286 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:03] [INFO ] Deduced a trap composed of 16 places in 372 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:03] [INFO ] Deduced a trap composed of 9 places in 350 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:04] [INFO ] Deduced a trap composed of 41 places in 358 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:04] [INFO ] Deduced a trap composed of 9 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:04] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:04] [INFO ] Deduced a trap composed of 41 places in 247 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:04] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:04] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:04] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:04] [INFO ] Deduced a trap composed of 41 places in 148 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:05] [INFO ] Deduced a trap composed of 9 places in 162 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:05] [INFO ] Deduced a trap composed of 41 places in 140 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:05] [INFO ] Deduced a trap composed of 42 places in 247 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:05] [INFO ] Deduced a trap composed of 43 places in 255 ms of which 20 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
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 Real declared 242/610 variables, and 114 constraints, problems are : Problem set: 0 solved, 512 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 0/242 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 512/512 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 21/31 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 3 (OVERLAPS) 8/242 variables, 64/95 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 19/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:14] [INFO ] Deduced a trap composed of 16 places in 186 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:14] [INFO ] Deduced a trap composed of 16 places in 124 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:14] [INFO ] Deduced a trap composed of 16 places in 127 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:15] [INFO ] Deduced a trap composed of 16 places in 119 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:15] [INFO ] Deduced a trap composed of 16 places in 114 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:15] [INFO ] Deduced a trap composed of 16 places in 122 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:15] [INFO ] Deduced a trap composed of 16 places in 114 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:15] [INFO ] Deduced a trap composed of 16 places in 122 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:15] [INFO ] Deduced a trap composed of 16 places in 255 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:16] [INFO ] Deduced a trap composed of 16 places in 231 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:16] [INFO ] Deduced a trap composed of 7 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:16] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:17] [INFO ] Deduced a trap composed of 22 places in 287 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:17] [INFO ] Deduced a trap composed of 23 places in 366 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:17] [INFO ] Deduced a trap composed of 23 places in 353 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:18] [INFO ] Deduced a trap composed of 23 places in 346 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:18] [INFO ] Deduced a trap composed of 23 places in 351 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:18] [INFO ] Deduced a trap composed of 23 places in 356 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:19] [INFO ] Deduced a trap composed of 22 places in 371 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:19] [INFO ] Deduced a trap composed of 22 places in 370 ms of which 34 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 20/134 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:23] [INFO ] Deduced a trap composed of 17 places in 373 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:23] [INFO ] Deduced a trap composed of 16 places in 233 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:23] [INFO ] Deduced a trap composed of 16 places in 253 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:24] [INFO ] Deduced a trap composed of 16 places in 257 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:24] [INFO ] Deduced a trap composed of 7 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:24] [INFO ] Deduced a trap composed of 16 places in 295 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:25] [INFO ] Deduced a trap composed of 22 places in 379 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:25] [INFO ] Deduced a trap composed of 23 places in 365 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:26] [INFO ] Deduced a trap composed of 23 places in 360 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:26] [INFO ] Deduced a trap composed of 23 places in 355 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:26] [INFO ] Deduced a trap composed of 23 places in 371 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:27] [INFO ] Deduced a trap composed of 24 places in 344 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:27] [INFO ] Deduced a trap composed of 24 places in 344 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:28] [INFO ] Deduced a trap composed of 22 places in 364 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:28] [INFO ] Deduced a trap composed of 22 places in 397 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:28] [INFO ] Deduced a trap composed of 23 places in 373 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:29] [INFO ] Deduced a trap composed of 23 places in 341 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:29] [INFO ] Deduced a trap composed of 23 places in 357 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:30] [INFO ] Deduced a trap composed of 24 places in 365 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:30] [INFO ] Deduced a trap composed of 24 places in 369 ms of which 36 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:32] [INFO ] Deduced a trap composed of 17 places in 348 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:33] [INFO ] Deduced a trap composed of 22 places in 310 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:34] [INFO ] Deduced a trap composed of 23 places in 270 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:35] [INFO ] Deduced a trap composed of 23 places in 320 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:35] [INFO ] Deduced a trap composed of 23 places in 361 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:35] [INFO ] Deduced a trap composed of 23 places in 378 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:36] [INFO ] Deduced a trap composed of 24 places in 365 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:36] [INFO ] Deduced a trap composed of 22 places in 347 ms of which 32 ms to minimize.
SMT process timed out in 60432ms, After SMT, problems are : Problem set: 0 solved, 512 unsolved
Search for dead transitions found 0 dead transitions in 60435ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61957 ms. Remains : 242/242 places, 520/520 transitions.
[2026-05-25 22:16:36] [INFO ] Flatten gal took : 61 ms
[2026-05-25 22:16:36] [INFO ] Flatten gal took : 33 ms
[2026-05-25 22:16:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11317753638904349157.gal : 8 ms
[2026-05-25 22:16:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1138457921601709993.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/ReachabilityCardinality11317753638904349157.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1138457921601709993.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
RANDOM walk for 40000 steps (8 resets) in 356 ms. (112 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 106 ms. (373 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality1138457921601709993.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 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 21
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :21 after 33
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :33 after 71
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :71 after 152
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :152 after 778
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :778 after 1625
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1625 after 3386
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3386 after 11073
Interrupted probabilistic random walk after 403613 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 2
Probabilistic random walk after 403613 steps, saw 213210 distinct states, run finished after 3001 ms. (steps per millisecond=134 ) properties seen :0
[2026-05-25 22:16:39] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:16:39] [INFO ] Invariant cache hit.
[2026-05-25 22:16:39] [INFO ] State equation strengthened by 40 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) 200/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 610/610 variables, and 356 constraints, problems are : Problem set: 0 solved, 2 unsolved in 368 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 200/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :11073 after 71606
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:40] [INFO ] Deduced a trap composed of 22 places in 356 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:41] [INFO ] Deduced a trap composed of 22 places in 365 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:41] [INFO ] Deduced a trap composed of 23 places in 373 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:42] [INFO ] Deduced a trap composed of 23 places in 368 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:42] [INFO ] Deduced a trap composed of 23 places in 358 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:42] [INFO ] Deduced a trap composed of 23 places in 332 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:43] [INFO ] Deduced a trap composed of 23 places in 327 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:43] [INFO ] Deduced a trap composed of 22 places in 304 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:43] [INFO ] Deduced a trap composed of 23 places in 307 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:44] [INFO ] Deduced a trap composed of 23 places in 298 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:44] [INFO ] Deduced a trap composed of 23 places in 231 ms of which 13 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/610 variables, 11/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/610 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:44] [INFO ] Deduced a trap composed of 22 places in 302 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:45] [INFO ] Deduced a trap composed of 23 places in 360 ms of which 36 ms to minimize.
SMT process timed out in 5397ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 215 ms.
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 10 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 242/242 places, 520/520 transitions.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :71606 after 187328
RANDOM walk for 40000 steps (8 resets) in 263 ms. (151 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 106 ms. (373 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 87 ms. (454 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 420508 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 2
Probabilistic random walk after 420508 steps, saw 221556 distinct states, run finished after 3001 ms. (steps per millisecond=140 ) properties seen :0
[2026-05-25 22:16:48] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:16:48] [INFO ] Invariant cache hit.
[2026-05-25 22:16:48] [INFO ] State equation strengthened by 40 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) 200/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/610 variables, 0/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 610/610 variables, and 356 constraints, problems are : Problem set: 0 solved, 2 unsolved in 439 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 200/208 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 368/576 variables, 208/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/576 variables, 40/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/576 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 34/610 variables, 34/346 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/610 variables, 10/356 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/610 variables, 2/358 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:49] [INFO ] Deduced a trap composed of 22 places in 243 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:50] [INFO ] Deduced a trap composed of 22 places in 321 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:50] [INFO ] Deduced a trap composed of 23 places in 322 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:50] [INFO ] Deduced a trap composed of 23 places in 304 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:51] [INFO ] Deduced a trap composed of 23 places in 300 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:51] [INFO ] Deduced a trap composed of 23 places in 301 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:51] [INFO ] Deduced a trap composed of 23 places in 285 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:52] [INFO ] Deduced a trap composed of 22 places in 300 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:52] [INFO ] Deduced a trap composed of 23 places in 319 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:52] [INFO ] Deduced a trap composed of 23 places in 273 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:52] [INFO ] Deduced a trap composed of 23 places in 268 ms of which 13 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/610 variables, 11/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/610 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:53] [INFO ] Deduced a trap composed of 22 places in 290 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:53] [INFO ] Deduced a trap composed of 23 places in 241 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:54] [INFO ] Deduced a trap composed of 23 places in 300 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:54] [INFO ] Deduced a trap composed of 23 places in 340 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:54] [INFO ] Deduced a trap composed of 9 places in 343 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:55] [INFO ] Deduced a trap composed of 9 places in 323 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:55] [INFO ] Deduced a trap composed of 9 places in 325 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:55] [INFO ] Deduced a trap composed of 22 places in 292 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:56] [INFO ] Deduced a trap composed of 23 places in 284 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:56] [INFO ] Deduced a trap composed of 7 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:56] [INFO ] Deduced a trap composed of 7 places in 52 ms of which 11 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/610 variables, 11/380 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:56] [INFO ] Deduced a trap composed of 23 places in 314 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:57] [INFO ] Deduced a trap composed of 23 places in 325 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:16:57] [INFO ] Deduced a trap composed of 23 places in 309 ms of which 32 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/610 variables, 3/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/610 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/610 variables, 0/383 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 610/610 variables, and 383 constraints, problems are : Problem set: 0 solved, 2 unsolved in 8498 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 242/242 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8948ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 352 ms.
Support contains 8 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 22 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 242/242 places, 520/520 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 520/520 transitions.
Applied a total of 0 rules in 10 ms. Remains 242 /242 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2026-05-25 22:16:57] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:16:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:16:58] [INFO ] Implicit Places using invariants in 550 ms returned []
[2026-05-25 22:16:58] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:16:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 22:16:58] [INFO ] State equation strengthened by 40 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :187328 after 2.90484e+06
[2026-05-25 22:16:59] [INFO ] Implicit Places using invariants and state equation in 1050 ms returned []
Implicit Place search using SMT with State Equation took 1619 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 22:16:59] [INFO ] Redundant transitions in 5 ms returned []
Running 512 sub problems to find dead transitions.
[2026-05-25 22:16:59] [INFO ] Flow matrix only has 368 transitions (discarded 152 similar events)
[2026-05-25 22:16:59] [INFO ] Invariant cache hit.
[2026-05-25 22:16:59] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (OVERLAPS) 8/242 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:10] [INFO ] Deduced a trap composed of 10 places in 352 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:11] [INFO ] Deduced a trap composed of 7 places in 350 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:11] [INFO ] Deduced a trap composed of 10 places in 331 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:11] [INFO ] Deduced a trap composed of 7 places in 318 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:12] [INFO ] Deduced a trap composed of 10 places in 281 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:12] [INFO ] Deduced a trap composed of 7 places in 275 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:12] [INFO ] Deduced a trap composed of 10 places in 209 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:12] [INFO ] Deduced a trap composed of 10 places in 239 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:13] [INFO ] Deduced a trap composed of 10 places in 235 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:13] [INFO ] Deduced a trap composed of 10 places in 199 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:13] [INFO ] Deduced a trap composed of 7 places in 189 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:13] [INFO ] Deduced a trap composed of 10 places in 204 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:13] [INFO ] Deduced a trap composed of 10 places in 187 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:14] [INFO ] Deduced a trap composed of 10 places in 186 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:14] [INFO ] Deduced a trap composed of 7 places in 183 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:14] [INFO ] Deduced a trap composed of 10 places in 176 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:14] [INFO ] Deduced a trap composed of 10 places in 192 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:15] [INFO ] Deduced a trap composed of 13 places in 270 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:15] [INFO ] Deduced a trap composed of 13 places in 332 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:15] [INFO ] Deduced a trap composed of 13 places in 308 ms of which 17 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/242 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:19] [INFO ] Deduced a trap composed of 9 places in 355 ms of which 22 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 65536
SDD size :2.90484e+06 after 6.503e+06
[2026-05-25 22:17:20] [INFO ] Deduced a trap composed of 13 places in 344 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:20] [INFO ] Deduced a trap composed of 13 places in 283 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:21] [INFO ] Deduced a trap composed of 13 places in 239 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:21] [INFO ] Deduced a trap composed of 13 places in 262 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:22] [INFO ] Deduced a trap composed of 13 places in 283 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:22] [INFO ] Deduced a trap composed of 16 places in 311 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:22] [INFO ] Deduced a trap composed of 9 places in 354 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:23] [INFO ] Deduced a trap composed of 41 places in 359 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:23] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:23] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:23] [INFO ] Deduced a trap composed of 41 places in 288 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:23] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:23] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:23] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:24] [INFO ] Deduced a trap composed of 41 places in 136 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:24] [INFO ] Deduced a trap composed of 9 places in 170 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:24] [INFO ] Deduced a trap composed of 41 places in 122 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:24] [INFO ] Deduced a trap composed of 42 places in 258 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:25] [INFO ] Deduced a trap composed of 43 places in 254 ms of which 20 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-25 22:17:26] [INFO ] Flatten gal took : 30 ms
[2026-05-25 22:17:26] [INFO ] Applying decomposition
[2026-05-25 22:17:26] [INFO ] Flatten gal took : 30 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/graph14413166262441168894.txt' '-o' '/tmp/graph14413166262441168894.bin' '-w' '/tmp/graph14413166262441168894.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14413166262441168894.bin' '-l' '-1' '-v' '-w' '/tmp/graph14413166262441168894.weights' '-q' '0' '-e' '0.001'
[2026-05-25 22:17:26] [INFO ] Decomposing Gal with order
[2026-05-25 22:17:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 22:17:27] [INFO ] Deduced a trap composed of 22 places in 234 ms of which 10 ms to minimize.
[2026-05-25 22:17:27] [INFO ] Removed a total of 623 redundant transitions.
[2026-05-25 22:17:27] [INFO ] Flatten gal took : 83 ms
[2026-05-25 22:17:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 156 labels/synchronizations in 25 ms.
[2026-05-25 22:17:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8695793921160675653.gal : 6 ms
[2026-05-25 22:17:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality907159764785681706.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/ReachabilityCardinality8695793921160675653.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality907159764785681706.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 ...327
Loading property file /tmp/ReachabilityCardinality907159764785681706.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 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 21
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :21 after 33
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :33 after 78
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :78 after 155
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :155 after 861
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :861 after 1706
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:27] [INFO ] Deduced a trap composed of 16 places in 121 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:27] [INFO ] Deduced a trap composed of 16 places in 86 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:28] [INFO ] Deduced a trap composed of 16 places in 86 ms of which 4 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 :1706 after 4688
[2026-05-25 22:17:28] [INFO ] Deduced a trap composed of 16 places in 86 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:28] [INFO ] Deduced a trap composed of 16 places in 86 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:28] [INFO ] Deduced a trap composed of 16 places in 85 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:28] [INFO ] Deduced a trap composed of 16 places in 86 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:28] [INFO ] Deduced a trap composed of 16 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:28] [INFO ] Deduced a trap composed of 16 places in 178 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:28] [INFO ] Deduced a trap composed of 16 places in 166 ms of which 10 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4688 after 32956
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:29] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:29] [INFO ] Deduced a trap composed of 16 places in 182 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:29] [INFO ] Deduced a trap composed of 7 places in 43 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/610 variables, and 128 constraints, problems are : Problem set: 0 solved, 512 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 74/74 constraints, State Equation: 0/242 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 512/512 constraints, Known Traps: 54/54 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 512 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :32956 after 67227
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 25/35 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 3 (OVERLAPS) 8/242 variables, 64/99 constraints. Problems are: Problem set: 0 solved, 512 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 29/128 constraints. Problems are: Problem set: 0 solved, 512 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :67227 after 268288
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:37] [INFO ] Deduced a trap composed of 16 places in 198 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:38] [INFO ] Deduced a trap composed of 22 places in 269 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:39] [INFO ] Deduced a trap composed of 22 places in 241 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:39] [INFO ] Deduced a trap composed of 23 places in 255 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:39] [INFO ] Deduced a trap composed of 23 places in 265 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:39] [INFO ] Deduced a trap composed of 23 places in 248 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:40] [INFO ] Deduced a trap composed of 24 places in 256 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:40] [INFO ] Deduced a trap composed of 24 places in 261 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:40] [INFO ] Deduced a trap composed of 22 places in 270 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:41] [INFO ] Deduced a trap composed of 22 places in 262 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:41] [INFO ] Deduced a trap composed of 23 places in 265 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:41] [INFO ] Deduced a trap composed of 23 places in 363 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:41] [INFO ] Deduced a trap composed of 23 places in 281 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:42] [INFO ] Deduced a trap composed of 24 places in 264 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:42] [INFO ] Deduced a trap composed of 24 places in 255 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:42] [INFO ] Deduced a trap composed of 22 places in 271 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:43] [INFO ] Deduced a trap composed of 23 places in 234 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:43] [INFO ] Deduced a trap composed of 23 places in 259 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:43] [INFO ] Deduced a trap composed of 23 places in 356 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:44] [INFO ] Deduced a trap composed of 23 places in 244 ms of which 22 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 20/148 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:45] [INFO ] Deduced a trap composed of 16 places in 269 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:46] [INFO ] Deduced a trap composed of 22 places in 263 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:47] [INFO ] Deduced a trap composed of 16 places in 238 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:47] [INFO ] Deduced a trap composed of 17 places in 238 ms of which 16 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 32768
[2026-05-25 22:17:47] [INFO ] Deduced a trap composed of 16 places in 168 ms of which 15 ms to minimize.
SDD size :268288 after 2.9243e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:48] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:48] [INFO ] Deduced a trap composed of 23 places in 253 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:49] [INFO ] Deduced a trap composed of 24 places in 247 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:49] [INFO ] Deduced a trap composed of 22 places in 249 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:49] [INFO ] Deduced a trap composed of 22 places in 236 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:50] [INFO ] Deduced a trap composed of 23 places in 244 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:50] [INFO ] Deduced a trap composed of 23 places in 222 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:50] [INFO ] Deduced a trap composed of 24 places in 209 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:50] [INFO ] Deduced a trap composed of 24 places in 206 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:50] [INFO ] Deduced a trap composed of 22 places in 198 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:51] [INFO ] Deduced a trap composed of 22 places in 197 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:51] [INFO ] Deduced a trap composed of 23 places in 196 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:51] [INFO ] Deduced a trap composed of 23 places in 226 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:51] [INFO ] Deduced a trap composed of 23 places in 201 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:52] [INFO ] Deduced a trap composed of 24 places in 253 ms of which 29 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 20/168 constraints. Problems are: Problem set: 0 solved, 512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:54] [INFO ] Deduced a trap composed of 16 places in 176 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:54] [INFO ] Deduced a trap composed of 16 places in 196 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:55] [INFO ] Deduced a trap composed of 23 places in 234 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:56] [INFO ] Deduced a trap composed of 24 places in 238 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:56] [INFO ] Deduced a trap composed of 24 places in 221 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:56] [INFO ] Deduced a trap composed of 24 places in 217 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:56] [INFO ] Deduced a trap composed of 23 places in 220 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:57] [INFO ] Deduced a trap composed of 23 places in 248 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:57] [INFO ] Deduced a trap composed of 23 places in 241 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:57] [INFO ] Deduced a trap composed of 23 places in 241 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:58] [INFO ] Deduced a trap composed of 23 places in 223 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:58] [INFO ] Deduced a trap composed of 23 places in 197 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:58] [INFO ] Deduced a trap composed of 24 places in 206 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:58] [INFO ] Deduced a trap composed of 22 places in 256 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:59] [INFO ] Deduced a trap composed of 23 places in 258 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:59] [INFO ] Deduced a trap composed of 23 places in 245 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:59] [INFO ] Deduced a trap composed of 23 places in 243 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 22:17:59] [INFO ] Deduced a trap composed of 23 places in 242 ms of which 22 ms to minimize.
SMT process timed out in 60229ms, After SMT, problems are : Problem set: 0 solved, 512 unsolved
Search for dead transitions found 0 dead transitions in 60231ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61874 ms. Remains : 242/242 places, 520/520 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 152 transitions
Reduce isomorphic transitions removed 152 transitions.
Iterating post reduction 0 with 152 rules applied. Total rules applied 152 place count 242 transition count 368
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 64 Pre rules applied. Total rules applied 152 place count 242 transition count 304
Deduced a syphon composed of 64 places in 0 ms
Ensure Unique test removed 56 places
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 1 with 184 rules applied. Total rules applied 336 place count 122 transition count 304
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 1 with 16 rules applied. Total rules applied 352 place count 114 transition count 296
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -56
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 368 place count 106 transition count 352
Free-agglomeration rule applied 8 times.
Iterating global reduction 1 with 8 rules applied. Total rules applied 376 place count 106 transition count 344
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 384 place count 98 transition count 344
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 392 place count 98 transition count 344
Partial Post-agglomeration rule applied 8 times.
Drop transitions (Partial Post agglomeration) removed 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 400 place count 98 transition count 344
Applied a total of 400 rules in 56 ms. Remains 98 /242 variables (removed 144) and now considering 344/520 (removed 176) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 344 rows 98 cols
[2026-05-25 22:17:59] [INFO ] Computed 18 invariants in 8 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 22:17:59] [INFO ] [Real]Absence check using 18 positive place invariants in 10 ms returned sat
[2026-05-25 22:18:00] [INFO ] After 289ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 22:18:00] [INFO ] [Nat]Absence check using 18 positive place invariants in 9 ms returned sat
[2026-05-25 22:18:00] [INFO ] After 207ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 22:18:00] [INFO ] After 284ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 22:18:00] [INFO ] After 417ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 22:18:00] [INFO ] Flatten gal took : 18 ms
[2026-05-25 22:18:00] [INFO ] Flatten gal took : 17 ms
[2026-05-25 22:18:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5916170703825565161.gal : 4 ms
[2026-05-25 22:18:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18251175026745730518.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/ReachabilityCardinality5916170703825565161.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18251175026745730518.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/ReachabilityCardinality18251175026745730518.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 11
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :11 after 14
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :14 after 139
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :139 after 157
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :157 after 216
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :216 after 1687
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1687 after 2373
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2373 after 7520
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7520 after 19016
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :19016 after 283656
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :283656 after 1.82673e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.82673e+06 after 4.11974e+06
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4.11974e+06 after 1.768e+07
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.9243e+06 after 4.66807e+06
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :1.768e+07 after 4.24177e+07
Detected timeout of ITS tools.
[2026-05-25 22:18:15] [INFO ] Flatten gal took : 10 ms
[2026-05-25 22:18:15] [INFO ] Applying decomposition
[2026-05-25 22:18:15] [INFO ] Flatten gal took : 11 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/graph4507704247088021948.txt' '-o' '/tmp/graph4507704247088021948.bin' '-w' '/tmp/graph4507704247088021948.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4507704247088021948.bin' '-l' '-1' '-v' '-w' '/tmp/graph4507704247088021948.weights' '-q' '0' '-e' '0.001'
[2026-05-25 22:18:15] [INFO ] Decomposing Gal with order
[2026-05-25 22:18:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 22:18:15] [INFO ] Removed a total of 407 redundant transitions.
[2026-05-25 22:18:15] [INFO ] Flatten gal took : 34 ms
[2026-05-25 22:18:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 318 labels/synchronizations in 7 ms.
[2026-05-25 22:18:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15544417260918649408.gal : 5 ms
[2026-05-25 22:18:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9624121077930309642.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/ReachabilityCardinality15544417260918649408.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9624121077930309642.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/ReachabilityCardinality9624121077930309642.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 27
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :27 after 37
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :37 after 125
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :125 after 376
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :376 after 814
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :814 after 3881
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3881 after 55507
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :55507 after 1.52875e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.52875e+06 after 1.49904e+07
Detected timeout of ITS tools.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.49904e+07 after 5.55667e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :5.55667e+07 after 3.14483e+08
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :3.14483e+08 after 1.12345e+09
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31076 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[8]
Ending property specific reduction for LamportFastMutEx-COL-8-UpperBounds-09 in 185227 ms.
[2026-05-25 22:18:30] [INFO ] Flatten gal took : 16 ms
[2026-05-25 22:18:30] [INFO ] Applying decomposition
[2026-05-25 22:18:31] [INFO ] Flatten gal took : 36 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/graph10842883596339284711.txt' '-o' '/tmp/graph10842883596339284711.bin' '-w' '/tmp/graph10842883596339284711.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10842883596339284711.bin' '-l' '-1' '-v' '-w' '/tmp/graph10842883596339284711.weights' '-q' '0' '-e' '0.001'
[2026-05-25 22:18:31] [INFO ] Decomposing Gal with order
[2026-05-25 22:18:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 22:18:31] [INFO ] Removed a total of 833 redundant transitions.
[2026-05-25 22:18:31] [INFO ] Flatten gal took : 38 ms
[2026-05-25 22:18:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 37 labels/synchronizations in 9 ms.
[2026-05-25 22:18:31] [INFO ] Time to serialize gal into /tmp/UpperBounds18105025894567644166.gal : 5 ms
[2026-05-25 22:18:31] [INFO ] Time to serialize properties into /tmp/UpperBounds6517019747432323886.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/UpperBounds18105025894567644166.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds6517019747432323886.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 ...305
Loading property file /tmp/UpperBounds6517019747432323886.prop.
Detected timeout of ITS tools.
[2026-05-25 22:42:23] [INFO ] Applying decomposition
[2026-05-25 22:42:23] [INFO ] Flatten gal took : 260 ms
[2026-05-25 22:42:23] [INFO ] Decomposing Gal with order
[2026-05-25 22:42:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 22:42:24] [INFO ] Removed a total of 1348 redundant transitions.
[2026-05-25 22:42:25] [INFO ] Flatten gal took : 1049 ms
[2026-05-25 22:42:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 137 ms.
[2026-05-25 22:42:25] [INFO ] Time to serialize gal into /tmp/UpperBounds8794371215518116662.gal : 67 ms
[2026-05-25 22:42:25] [INFO ] Time to serialize properties into /tmp/UpperBounds12566601152816888750.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds8794371215518116662.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12566601152816888750.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 ...305
Loading property file /tmp/UpperBounds12566601152816888750.prop.
Detected timeout of ITS tools.
[2026-05-25 23:06:17] [INFO ] Flatten gal took : 498 ms
[2026-05-25 23:06:20] [INFO ] Input system was already deterministic with 520 transitions.
[2026-05-25 23:06:21] [INFO ] Transformed 242 places.
[2026-05-25 23:06:21] [INFO ] Transformed 520 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-25 23:06:21] [INFO ] Time to serialize gal into /tmp/UpperBounds13461213835578994387.gal : 20 ms
[2026-05-25 23:06:21] [INFO ] Time to serialize properties into /tmp/UpperBounds16949572417969795075.prop : 5 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/UpperBounds13461213835578994387.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds16949572417969795075.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--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 ...351
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds16949572417969795075.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
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="LamportFastMutEx-COL-8"
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 LamportFastMutEx-COL-8, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r175-smll-177961111800049"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-8.tgz
mv LamportFastMutEx-COL-8 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 ;