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-177961111800047.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-6, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-177961111800047
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 7.3K Mar 7 16:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 7 16:45 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 3.9K Mar 15 11:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 11:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 11:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Mar 7 16:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 16:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 7 16:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 101K Mar 7 16:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:12 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 42K 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-6-UpperBounds-00
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-01
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-02
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-03
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-04
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-05
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-06
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-07
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-08
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-09
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-10
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-11
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-12
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-13
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-14
FORMULA_NAME LamportFastMutEx-COL-6-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779743209326

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-6
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-05-25 21:06:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 21:06:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 21:06:51] [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 21:06:52] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-25 21:06:53] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1291 ms
[2026-05-25 21:06:53] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 217 PT places and 525.0 transition bindings in 39 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 13 ms.
[2026-05-25 21:06:53] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 9 ms.
[2026-05-25 21:06:53] [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 21:06:53] [INFO ] Computed 2 invariants in 8 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 1, 1, 0, 0, 0, 6] Max Struct:[36, 6, 6, 6, 6, 6, 6, 36, 6, 6, 1, 1, 6, 6, 6, 6]
FORMULA LamportFastMutEx-COL-6-UpperBounds-15 6 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-UpperBounds-09 6 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-25 21:06:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:53] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 21:06:53] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2026-05-25 21:06:53] [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 21:06:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-25 21:06:53] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 21:06:53] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:06:53] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:53] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 21:06:53] [INFO ] Added : 11 causal constraints over 3 iterations in 64 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:06:54] [INFO ] Added : 6 causal constraints over 2 iterations in 34 ms. Result :sat
Minimization took 14 ms.
[2026-05-25 21:06:54] [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 21:06:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 21:06:54] [INFO ] Added : 6 causal constraints over 2 iterations in 19 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [INFO ] Added : 4 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 21:06:54] [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 21:06:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [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 21:06:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [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 21:06:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [INFO ] Added : 7 causal constraints over 2 iterations in 12 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 21:06:54] [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 21:06:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [INFO ] Added : 6 causal constraints over 2 iterations in 15 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [INFO ] Added : 4 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 21:06:54] [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 21:06:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 21:06:54] [INFO ] Added : 4 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [INFO ] Added : 9 causal constraints over 2 iterations in 14 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 21:06:54] [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 21:06:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [INFO ] Added : 9 causal constraints over 2 iterations in 15 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 21:06:54] [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 21:06:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 21:06:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:54] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:54] [INFO ] Added : 11 causal constraints over 3 iterations in 22 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:55] [INFO ] Added : 4 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:06:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 21:06:55] [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 21:06:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 21:06:55] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 21:06:55] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
[2026-05-25 21:06:55] [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 21:06:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 21:06:55] [INFO ] Added : 4 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 21:06:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 21:06:55] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
[2026-05-25 21:06:55] [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 21:06:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-25 21:06:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 21:06:55] [INFO ] Added : 5 causal constraints over 1 iterations in 8 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:[36, 6, 6, 6, 6, 6, 6, 36, 6, 6, 6, 6]
Domain [pid(7), pid(7)] 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 21:06:55] [INFO ] Unfolded HLPN to a Petri net with 217 places and 420 transitions 1834 arcs in 43 ms.
[2026-05-25 21:06:55] [INFO ] Unfolded 12 HLPN properties in 0 ms.
Deduced a syphon composed of 41 places in 3 ms
Reduce places removed 41 places and 66 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:[36, 6, 6, 6, 6, 6, 6, 36, 6, 6, 6, 6]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[36, 6, 6, 6, 6, 6, 6, 36, 6, 6, 6, 6]
[2026-05-25 21:06:55] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
// Phase 1: matrix 264 rows 176 cols
[2026-05-25 21:06:55] [INFO ] Computed 50 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[36, 6, 6, 6, 6, 6, 6, 36, 6, 6, 6, 6]
RANDOM walk for 10000 steps (2 resets) in 98 ms. (101 steps per ms)
FORMULA LamportFastMutEx-COL-6-UpperBounds-02 6 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-6-UpperBounds-05 6 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA LamportFastMutEx-COL-6-UpperBounds-12 6 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90007 steps (18 resets) in 165 ms. (542 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[24, 5, 5, 5, 5, 27, 1, 4, 4] Max Struct:[36, 6, 6, 6, 6, 36, 6, 6, 6]
[2026-05-25 21:06:55] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
[2026-05-25 21:06:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using 50 positive place invariants in 20 ms returned sat
[2026-05-25 21:06:55] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2026-05-25 21:06:55] [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 21:06:55] [INFO ] [Nat]Absence check using 50 positive place invariants in 20 ms returned sat
[2026-05-25 21:06:56] [INFO ] [Nat]Absence check using state equation in 119 ms returned sat
[2026-05-25 21:06:56] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-25 21:06:56] [INFO ] [Nat]Added 72 Read/Feed constraints in 63 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:56] [INFO ] Deduced a trap composed of 8 places in 587 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:56] [INFO ] Deduced a trap composed of 9 places in 111 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:57] [INFO ] Deduced a trap composed of 9 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 21:06:57] [INFO ] Deduced a trap composed of 8 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 21:06:57] [INFO ] Deduced a trap composed of 8 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:57] [INFO ] Deduced a trap composed of 9 places in 103 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:57] [INFO ] Deduced a trap composed of 15 places in 127 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:57] [INFO ] Deduced a trap composed of 15 places in 195 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:57] [INFO ] Deduced a trap composed of 15 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 21:06:57] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:57] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 4 ms to minimize.
[2026-05-25 21:06:58] [INFO ] Trap strengthening (SAT) tested/added 12/11 trap constraints in 1834 ms
[2026-05-25 21:06:58] [INFO ] Computed and/alt/rep : 234/1218/234 causal constraints (skipped 24 transitions) in 49 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:58] [INFO ] Deduced a trap composed of 10 places in 111 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:06:58] [INFO ] Deduced a trap composed of 15 places in 108 ms of which 7 ms to minimize.
[2026-05-25 21:06:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 308 ms
[2026-05-25 21:06:58] [INFO ] Added : 75 causal constraints over 16 iterations in 964 ms. Result :sat
Minimization took 285 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:06:59] [INFO ] [Real]Absence check using 50 positive place invariants in 31 ms returned sat
[2026-05-25 21:06:59] [INFO ] [Real]Absence check using state equation in 169 ms returned sat
[2026-05-25 21:06:59] [INFO ] [Real]Added 72 Read/Feed constraints in 22 ms returned sat
[2026-05-25 21:06:59] [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 21:06:59] [INFO ] [Nat]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 21:06:59] [INFO ] [Nat]Absence check using state equation in 164 ms returned sat
[2026-05-25 21:06:59] [INFO ] [Nat]Added 72 Read/Feed constraints in 78 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:00] [INFO ] Deduced a trap composed of 10 places in 126 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:00] [INFO ] Deduced a trap composed of 12 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:00] [INFO ] Deduced a trap composed of 31 places in 109 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:00] [INFO ] Deduced a trap composed of 31 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 21:07:00] [INFO ] Deduced a trap composed of 31 places in 87 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:00] [INFO ] Deduced a trap composed of 31 places in 104 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:00] [INFO ] Deduced a trap composed of 31 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 21:07:00] [INFO ] Deduced a trap composed of 31 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:01] [INFO ] Deduced a trap composed of 8 places in 145 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:01] [INFO ] Deduced a trap composed of 9 places in 92 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:01] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:01] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:01] [INFO ] Deduced a trap composed of 9 places in 89 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:01] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:01] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:01] [INFO ] Deduced a trap composed of 12 places in 58 ms of which 5 ms to minimize.
[2026-05-25 21:07:01] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 16 trap constraints in 1784 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:01] [INFO ] [Real]Absence check using 50 positive place invariants in 18 ms returned sat
[2026-05-25 21:07:01] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2026-05-25 21:07:01] [INFO ] [Real]Added 72 Read/Feed constraints in 12 ms returned sat
[2026-05-25 21:07:01] [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 21:07:02] [INFO ] [Nat]Absence check using 50 positive place invariants in 19 ms returned sat
[2026-05-25 21:07:02] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2026-05-25 21:07:02] [INFO ] [Nat]Added 72 Read/Feed constraints in 23 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:02] [INFO ] Deduced a trap composed of 9 places in 130 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:02] [INFO ] Deduced a trap composed of 9 places in 156 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:02] [INFO ] Deduced a trap composed of 9 places in 152 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:02] [INFO ] Deduced a trap composed of 9 places in 187 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:02] [INFO ] Deduced a trap composed of 15 places in 130 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:03] [INFO ] Deduced a trap composed of 15 places in 102 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:03] [INFO ] Deduced a trap composed of 8 places in 92 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:03] [INFO ] Deduced a trap composed of 15 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 21:07:03] [INFO ] Deduced a trap composed of 15 places in 140 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:03] [INFO ] Deduced a trap composed of 15 places in 96 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:03] [INFO ] Deduced a trap composed of 15 places in 154 ms of which 9 ms to minimize.
[2026-05-25 21:07:03] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 11 trap constraints in 1629 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:03] [INFO ] [Real]Absence check using 50 positive place invariants in 18 ms returned sat
[2026-05-25 21:07:03] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2026-05-25 21:07:03] [INFO ] [Real]Added 72 Read/Feed constraints in 17 ms returned sat
[2026-05-25 21:07:03] [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 21:07:04] [INFO ] [Nat]Absence check using 50 positive place invariants in 27 ms returned sat
[2026-05-25 21:07:04] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2026-05-25 21:07:04] [INFO ] [Nat]Added 72 Read/Feed constraints in 84 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:04] [INFO ] Deduced a trap composed of 12 places in 130 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:04] [INFO ] Deduced a trap composed of 31 places in 188 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:04] [INFO ] Deduced a trap composed of 31 places in 173 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:05] [INFO ] Deduced a trap composed of 31 places in 166 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:05] [INFO ] Deduced a trap composed of 31 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 21:07:05] [INFO ] Deduced a trap composed of 8 places in 166 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:05] [INFO ] Deduced a trap composed of 31 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 21:07:05] [INFO ] Deduced a trap composed of 31 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 21:07:06] [INFO ] Deduced a trap composed of 8 places in 215 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:06] [INFO ] Deduced a trap composed of 8 places in 206 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:06] [INFO ] Deduced a trap composed of 8 places in 219 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:06] [INFO ] Deduced a trap composed of 8 places in 162 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:07] [INFO ] Deduced a trap composed of 8 places in 197 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:07] [INFO ] Deduced a trap composed of 8 places in 165 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:07] [INFO ] Deduced a trap composed of 12 places in 138 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:07] [INFO ] Deduced a trap composed of 12 places in 141 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:07] [INFO ] Deduced a trap composed of 12 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 21:07:07] [INFO ] Deduced a trap composed of 12 places in 107 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:08] [INFO ] Deduced a trap composed of 12 places in 110 ms of which 5 ms to minimize.
[2026-05-25 21:07:08] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 19 trap constraints in 3712 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:08] [INFO ] [Real]Absence check using 50 positive place invariants in 18 ms returned sat
[2026-05-25 21:07:08] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2026-05-25 21:07:08] [INFO ] [Real]Added 72 Read/Feed constraints in 27 ms returned sat
[2026-05-25 21:07:08] [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 21:07:08] [INFO ] [Nat]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 21:07:08] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2026-05-25 21:07:08] [INFO ] [Nat]Added 72 Read/Feed constraints in 34 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:08] [INFO ] Deduced a trap composed of 9 places in 117 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:08] [INFO ] Deduced a trap composed of 9 places in 165 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:08] [INFO ] Deduced a trap composed of 10 places in 164 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:09] [INFO ] Deduced a trap composed of 15 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 21:07:09] [INFO ] Deduced a trap composed of 15 places in 89 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:09] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:09] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:09] [INFO ] Deduced a trap composed of 8 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:09] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:09] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 3 ms to minimize.
[2026-05-25 21:07:09] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 1057 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:09] [INFO ] [Real]Absence check using 50 positive place invariants in 18 ms returned sat
[2026-05-25 21:07:09] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2026-05-25 21:07:09] [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 21:07:09] [INFO ] [Nat]Absence check using 50 positive place invariants in 30 ms returned sat
[2026-05-25 21:07:09] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2026-05-25 21:07:10] [INFO ] [Nat]Added 72 Read/Feed constraints in 103 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:10] [INFO ] Deduced a trap composed of 9 places in 140 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:10] [INFO ] Deduced a trap composed of 9 places in 142 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:10] [INFO ] Deduced a trap composed of 10 places in 135 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:10] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:10] [INFO ] Deduced a trap composed of 8 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:10] [INFO ] Deduced a trap composed of 15 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:10] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:11] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:11] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:11] [INFO ] Deduced a trap composed of 15 places in 102 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:11] [INFO ] Deduced a trap composed of 15 places in 102 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:11] [INFO ] Deduced a trap composed of 15 places in 109 ms of which 9 ms to minimize.
[2026-05-25 21:07:11] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 1546 ms
[2026-05-25 21:07:11] [INFO ] Computed and/alt/rep : 234/1218/234 causal constraints (skipped 24 transitions) in 24 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:12] [INFO ] Deduced a trap composed of 9 places in 197 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:12] [INFO ] Deduced a trap composed of 10 places in 130 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:12] [INFO ] Deduced a trap composed of 10 places in 123 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:13] [INFO ] Deduced a trap composed of 15 places in 123 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:13] [INFO ] Deduced a trap composed of 31 places in 119 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:13] [INFO ] Deduced a trap composed of 15 places in 127 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:13] [INFO ] Deduced a trap composed of 15 places in 136 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:13] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 3 ms to minimize.
[2026-05-25 21:07:13] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 1440 ms
[2026-05-25 21:07:13] [INFO ] Added : 122 causal constraints over 26 iterations in 2279 ms. Result :sat
Minimization took 329 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:14] [INFO ] [Real]Absence check using 50 positive place invariants in 17 ms returned sat
[2026-05-25 21:07:14] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2026-05-25 21:07:14] [INFO ] [Real]Added 72 Read/Feed constraints in 10 ms returned sat
[2026-05-25 21:07:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:14] [INFO ] [Nat]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 21:07:14] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2026-05-25 21:07:14] [INFO ] [Nat]Added 72 Read/Feed constraints in 30 ms returned sat
[2026-05-25 21:07:14] [INFO ] Computed and/alt/rep : 234/1218/234 causal constraints (skipped 24 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:15] [INFO ] Deduced a trap composed of 9 places in 193 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:15] [INFO ] Deduced a trap composed of 9 places in 176 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:16] [INFO ] Deduced a trap composed of 10 places in 183 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:16] [INFO ] Deduced a trap composed of 9 places in 210 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:16] [INFO ] Deduced a trap composed of 31 places in 219 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:16] [INFO ] Deduced a trap composed of 31 places in 194 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:16] [INFO ] Deduced a trap composed of 31 places in 220 ms of which 22 ms to minimize.
[2026-05-25 21:07:17] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1627 ms
[2026-05-25 21:07:17] [INFO ] Added : 106 causal constraints over 23 iterations in 2420 ms. Result :sat
Minimization took 170 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:17] [INFO ] [Real]Absence check using 50 positive place invariants in 20 ms returned sat
[2026-05-25 21:07:17] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-25 21:07:17] [INFO ] [Real]Added 72 Read/Feed constraints in 12 ms returned sat
[2026-05-25 21:07:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:17] [INFO ] [Nat]Absence check using 50 positive place invariants in 21 ms returned sat
[2026-05-25 21:07:17] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2026-05-25 21:07:17] [INFO ] [Nat]Added 72 Read/Feed constraints in 18 ms returned sat
[2026-05-25 21:07:17] [INFO ] Computed and/alt/rep : 234/1218/234 causal constraints (skipped 24 transitions) in 37 ms.
[2026-05-25 21:07:18] [INFO ] Added : 80 causal constraints over 18 iterations in 603 ms. Result :sat
Minimization took 115 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:18] [INFO ] [Real]Absence check using 50 positive place invariants in 26 ms returned sat
[2026-05-25 21:07:18] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2026-05-25 21:07:18] [INFO ] [Real]Added 72 Read/Feed constraints in 19 ms returned sat
[2026-05-25 21:07:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:07:18] [INFO ] [Nat]Absence check using 50 positive place invariants in 19 ms returned sat
[2026-05-25 21:07:18] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2026-05-25 21:07:19] [INFO ] [Nat]Added 72 Read/Feed constraints in 18 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:19] [INFO ] Deduced a trap composed of 14 places in 159 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:19] [INFO ] Deduced a trap composed of 8 places in 163 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:19] [INFO ] Deduced a trap composed of 14 places in 145 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:19] [INFO ] Deduced a trap composed of 14 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 21:07:19] [INFO ] Deduced a trap composed of 14 places in 194 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:20] [INFO ] Deduced a trap composed of 14 places in 175 ms of which 11 ms to minimize.
[2026-05-25 21:07:20] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1084 ms
[2026-05-25 21:07:20] [INFO ] Computed and/alt/rep : 234/1218/234 causal constraints (skipped 24 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:21] [INFO ] Deduced a trap composed of 31 places in 182 ms of which 12 ms to minimize.
[2026-05-25 21:07:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 258 ms
[2026-05-25 21:07:21] [INFO ] Added : 92 causal constraints over 19 iterations in 1148 ms. Result :sat
Minimization took 320 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[24, 5, 5, 5, 5, 27, 1, 4, 4] Max Struct:[36, 5, 5, 5, 5, 36, 6, 6, 6]
FORMULA LamportFastMutEx-COL-6-UpperBounds-06 5 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-UpperBounds-04 5 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-UpperBounds-03 5 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-UpperBounds-01 5 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[24, 27, 1, 5, 4] Max Struct:[36, 36, 6, 6, 6]
Support contains 90 out of 176 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 354/354 transitions.
Applied a total of 0 rules in 29 ms. Remains 176 /176 variables (removed 0) and now considering 354/354 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 176/176 places, 354/354 transitions.
[2026-05-25 21:07:23] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
[2026-05-25 21:07:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[24, 27, 1, 5, 4] Max Struct:[36, 36, 6, 6, 6]
RANDOM walk for 1000000 steps (2 resets) in 3614 ms. (276 steps per ms)
BEST_FIRST walk for 5000004 steps (10 resets) in 7056 ms. (708 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[30, 30, 1, 5, 5] Max Struct:[36, 36, 6, 6, 6]
[2026-05-25 21:07:33] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
[2026-05-25 21:07:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:33] [INFO ] [Real]Absence check using 50 positive place invariants in 19 ms returned sat
[2026-05-25 21:07:33] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2026-05-25 21:07:33] [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 21:07:33] [INFO ] [Nat]Absence check using 50 positive place invariants in 19 ms returned sat
[2026-05-25 21:07:34] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2026-05-25 21:07:34] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-25 21:07:34] [INFO ] [Nat]Added 72 Read/Feed constraints in 82 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:34] [INFO ] Deduced a trap composed of 9 places in 94 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:34] [INFO ] Deduced a trap composed of 9 places in 140 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:34] [INFO ] Deduced a trap composed of 9 places in 125 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:34] [INFO ] Deduced a trap composed of 9 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:34] [INFO ] Deduced a trap composed of 15 places in 109 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:34] [INFO ] Deduced a trap composed of 15 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 21:07:35] [INFO ] Deduced a trap composed of 15 places in 119 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:35] [INFO ] Deduced a trap composed of 15 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 21:07:35] [INFO ] Deduced a trap composed of 8 places in 113 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:35] [INFO ] Deduced a trap composed of 15 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:35] [INFO ] Deduced a trap composed of 15 places in 113 ms of which 7 ms to minimize.
[2026-05-25 21:07:36] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 11 trap constraints in 2084 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:36] [INFO ] [Real]Absence check using 50 positive place invariants in 20 ms returned sat
[2026-05-25 21:07:36] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2026-05-25 21:07:36] [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 21:07:36] [INFO ] [Nat]Absence check using 50 positive place invariants in 19 ms returned sat
[2026-05-25 21:07:36] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2026-05-25 21:07:36] [INFO ] [Nat]Added 72 Read/Feed constraints in 61 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:36] [INFO ] Deduced a trap composed of 9 places in 99 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:36] [INFO ] Deduced a trap composed of 9 places in 174 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:37] [INFO ] Deduced a trap composed of 10 places in 183 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:37] [INFO ] Deduced a trap composed of 15 places in 87 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:37] [INFO ] Deduced a trap composed of 15 places in 82 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:37] [INFO ] Deduced a trap composed of 15 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:37] [INFO ] Deduced a trap composed of 15 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 21:07:37] [INFO ] Deduced a trap composed of 15 places in 141 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:37] [INFO ] Deduced a trap composed of 15 places in 112 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:37] [INFO ] Deduced a trap composed of 8 places in 71 ms of which 4 ms to minimize.
[2026-05-25 21:07:37] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 1360 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:38] [INFO ] [Real]Absence check using 50 positive place invariants in 19 ms returned sat
[2026-05-25 21:07:38] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2026-05-25 21:07:38] [INFO ] [Real]Added 72 Read/Feed constraints in 13 ms returned sat
[2026-05-25 21:07:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:38] [INFO ] [Nat]Absence check using 50 positive place invariants in 20 ms returned sat
[2026-05-25 21:07:38] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2026-05-25 21:07:38] [INFO ] [Nat]Added 72 Read/Feed constraints in 24 ms returned sat
[2026-05-25 21:07:38] [INFO ] Computed and/alt/rep : 234/1218/234 causal constraints (skipped 24 transitions) in 34 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:39] [INFO ] Deduced a trap composed of 9 places in 153 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:39] [INFO ] Deduced a trap composed of 9 places in 113 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:39] [INFO ] Deduced a trap composed of 10 places in 152 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:40] [INFO ] Deduced a trap composed of 9 places in 138 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:40] [INFO ] Deduced a trap composed of 31 places in 139 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:40] [INFO ] Deduced a trap composed of 31 places in 152 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:40] [INFO ] Deduced a trap composed of 31 places in 142 ms of which 13 ms to minimize.
[2026-05-25 21:07:40] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1263 ms
[2026-05-25 21:07:40] [INFO ] Added : 106 causal constraints over 23 iterations in 2325 ms. Result :sat
Minimization took 280 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:41] [INFO ] [Real]Absence check using 50 positive place invariants in 31 ms returned sat
[2026-05-25 21:07:41] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2026-05-25 21:07:41] [INFO ] [Real]Added 72 Read/Feed constraints in 13 ms returned sat
[2026-05-25 21:07:41] [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 21:07:41] [INFO ] [Nat]Absence check using 50 positive place invariants in 26 ms returned sat
[2026-05-25 21:07:41] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2026-05-25 21:07:41] [INFO ] [Nat]Added 72 Read/Feed constraints in 31 ms returned sat
[2026-05-25 21:07:41] [INFO ] Computed and/alt/rep : 234/1218/234 causal constraints (skipped 24 transitions) in 31 ms.
[2026-05-25 21:07:42] [INFO ] Added : 70 causal constraints over 15 iterations in 553 ms. Result :sat
Minimization took 164 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:42] [INFO ] [Real]Absence check using 50 positive place invariants in 18 ms returned sat
[2026-05-25 21:07:42] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2026-05-25 21:07:42] [INFO ] [Real]Added 72 Read/Feed constraints in 14 ms returned sat
[2026-05-25 21:07:42] [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 21:07:42] [INFO ] [Nat]Absence check using 50 positive place invariants in 23 ms returned sat
[2026-05-25 21:07:42] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2026-05-25 21:07:42] [INFO ] [Nat]Added 72 Read/Feed constraints in 23 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:42] [INFO ] Deduced a trap composed of 14 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 21:07:43] [INFO ] Deduced a trap composed of 14 places in 118 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:43] [INFO ] Deduced a trap composed of 14 places in 147 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:43] [INFO ] Deduced a trap composed of 14 places in 171 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:43] [INFO ] Deduced a trap composed of 14 places in 171 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:43] [INFO ] Deduced a trap composed of 8 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 21:07:43] [INFO ] Deduced a trap composed of 14 places in 154 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:44] [INFO ] Deduced a trap composed of 8 places in 154 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:44] [INFO ] Deduced a trap composed of 8 places in 149 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:44] [INFO ] Deduced a trap composed of 8 places in 146 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:44] [INFO ] Deduced a trap composed of 8 places in 179 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:44] [INFO ] Deduced a trap composed of 8 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 21:07:44] [INFO ] Deduced a trap composed of 8 places in 170 ms of which 12 ms to minimize.
[2026-05-25 21:07:44] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 13 trap constraints in 2156 ms
Current structural bounds on expressions (after SMT) : Max Seen:[30, 30, 1, 5, 5] Max Struct:[30, 30, 6, 6, 5]
FORMULA LamportFastMutEx-COL-6-UpperBounds-14 5 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-UpperBounds-07 30 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-UpperBounds-00 30 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 5] Max Struct:[6, 6]
Support contains 12 out of 176 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 354/354 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 170 transition count 348
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 170 transition count 342
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 24 place count 164 transition count 342
Applied a total of 24 rules in 114 ms. Remains 164 /176 variables (removed 12) and now considering 342/354 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 164/176 places, 342/354 transitions.
[2026-05-25 21:07:45] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
// Phase 1: matrix 252 rows 164 cols
[2026-05-25 21:07:45] [INFO ] Computed 50 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 5] Max Struct:[6, 6]
RANDOM walk for 1000000 steps (2 resets) in 2524 ms. (396 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 1395 ms. (1432 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 5] Max Struct:[6, 6]
[2026-05-25 21:07:49] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
[2026-05-25 21:07:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:49] [INFO ] [Real]Absence check using 50 positive place invariants in 16 ms returned sat
[2026-05-25 21:07:49] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2026-05-25 21:07:49] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-25 21:07:49] [INFO ] [Real]Added 72 Read/Feed constraints in 11 ms returned sat
[2026-05-25 21:07:49] [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 21:07:49] [INFO ] [Nat]Absence check using 50 positive place invariants in 21 ms returned sat
[2026-05-25 21:07:49] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2026-05-25 21:07:49] [INFO ] [Nat]Added 72 Read/Feed constraints in 19 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:50] [INFO ] Deduced a trap composed of 8 places in 179 ms of which 15 ms to minimize.
[2026-05-25 21:07:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 204 ms
[2026-05-25 21:07:50] [INFO ] Computed and/alt/rep : 216/1194/216 causal constraints (skipped 30 transitions) in 36 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:50] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:50] [INFO ] Deduced a trap composed of 9 places in 58 ms of which 3 ms to minimize.
[2026-05-25 21:07:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 226 ms
[2026-05-25 21:07:50] [INFO ] Added : 79 causal constraints over 16 iterations in 824 ms. Result :sat
Minimization took 237 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:51] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned sat
[2026-05-25 21:07:51] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2026-05-25 21:07:51] [INFO ] [Real]Added 72 Read/Feed constraints in 14 ms returned sat
[2026-05-25 21:07:51] [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 21:07:51] [INFO ] [Nat]Absence check using 50 positive place invariants in 17 ms returned sat
[2026-05-25 21:07:51] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2026-05-25 21:07:51] [INFO ] [Nat]Added 72 Read/Feed constraints in 21 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:51] [INFO ] Deduced a trap composed of 8 places in 141 ms of which 9 ms to minimize.
[2026-05-25 21:07:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 162 ms
[2026-05-25 21:07:51] [INFO ] Computed and/alt/rep : 216/1194/216 causal constraints (skipped 30 transitions) in 20 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:52] [INFO ] Deduced a trap composed of 6 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 21:07:52] [INFO ] Deduced a trap composed of 31 places in 217 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:52] [INFO ] Deduced a trap composed of 31 places in 212 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:53] [INFO ] Deduced a trap composed of 31 places in 216 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:53] [INFO ] Deduced a trap composed of 6 places in 228 ms of which 15 ms to minimize.
[2026-05-25 21:07:53] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1206 ms
[2026-05-25 21:07:53] [INFO ] Added : 96 causal constraints over 20 iterations in 1719 ms. Result :sat
Minimization took 116 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 5] Max Struct:[6, 6]
FORMULA LamportFastMutEx-COL-6-UpperBounds-13 6 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[6]
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 342/342 transitions.
Applied a total of 0 rules in 22 ms. Remains 164 /164 variables (removed 0) and now considering 342/342 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 164/164 places, 342/342 transitions.
[2026-05-25 21:07:53] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
[2026-05-25 21:07:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[6]
RANDOM walk for 1000000 steps (2 resets) in 1944 ms. (514 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 694 ms. (1438 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[6]
[2026-05-25 21:07:56] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
[2026-05-25 21:07:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:07:56] [INFO ] [Real]Absence check using 50 positive place invariants in 17 ms returned sat
[2026-05-25 21:07:56] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2026-05-25 21:07:56] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-25 21:07:56] [INFO ] [Real]Added 72 Read/Feed constraints in 10 ms returned sat
[2026-05-25 21:07:56] [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 21:07:56] [INFO ] [Nat]Absence check using 50 positive place invariants in 21 ms returned sat
[2026-05-25 21:07:56] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2026-05-25 21:07:56] [INFO ] [Nat]Added 72 Read/Feed constraints in 28 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:57] [INFO ] Deduced a trap composed of 8 places in 190 ms of which 17 ms to minimize.
[2026-05-25 21:07:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 213 ms
[2026-05-25 21:07:57] [INFO ] Computed and/alt/rep : 216/1194/216 causal constraints (skipped 30 transitions) in 20 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:57] [INFO ] Deduced a trap composed of 9 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:07:57] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 4 ms to minimize.
[2026-05-25 21:07:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 258 ms
[2026-05-25 21:07:57] [INFO ] Added : 79 causal constraints over 16 iterations in 791 ms. Result :sat
Minimization took 351 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[6]
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 342/342 transitions.
Applied a total of 0 rules in 23 ms. Remains 164 /164 variables (removed 0) and now considering 342/342 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 164/164 places, 342/342 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 342/342 transitions.
Applied a total of 0 rules in 21 ms. Remains 164 /164 variables (removed 0) and now considering 342/342 (removed 0) transitions.
[2026-05-25 21:07:58] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
[2026-05-25 21:07:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:07:58] [INFO ] Implicit Places using invariants in 484 ms returned [104, 105, 106, 107, 108, 109]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 494 ms to find 6 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 158/164 places, 342/342 transitions.
Applied a total of 0 rules in 20 ms. Remains 158 /158 variables (removed 0) and now considering 342/342 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 543 ms. Remains : 158/164 places, 342/342 transitions.
[2026-05-25 21:07:58] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
// Phase 1: matrix 252 rows 158 cols
[2026-05-25 21:07:58] [INFO ] Computed 44 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[6]
RANDOM walk for 1000000 steps (2 resets) in 2162 ms. (462 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 655 ms. (1524 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[6]
[2026-05-25 21:08:01] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
[2026-05-25 21:08:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:08:01] [INFO ] [Real]Absence check using 44 positive place invariants in 18 ms returned sat
[2026-05-25 21:08:01] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2026-05-25 21:08:01] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-25 21:08:01] [INFO ] [Real]Added 36 Read/Feed constraints in 6 ms returned sat
[2026-05-25 21:08:01] [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 21:08:02] [INFO ] [Nat]Absence check using 44 positive place invariants in 13 ms returned sat
[2026-05-25 21:08:02] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2026-05-25 21:08:02] [INFO ] [Nat]Added 36 Read/Feed constraints in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:02] [INFO ] Deduced a trap composed of 8 places in 109 ms of which 9 ms to minimize.
[2026-05-25 21:08:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 140 ms
[2026-05-25 21:08:02] [INFO ] Computed and/alt/rep : 216/1122/216 causal constraints (skipped 30 transitions) in 26 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:02] [INFO ] Deduced a trap composed of 9 places in 33 ms of which 2 ms to minimize.
[2026-05-25 21:08:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2026-05-25 21:08:02] [INFO ] Added : 47 causal constraints over 10 iterations in 426 ms. Result :sat
Minimization took 213 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[6]
Support contains 6 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 342/342 transitions.
Applied a total of 0 rules in 18 ms. Remains 158 /158 variables (removed 0) and now considering 342/342 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 158/158 places, 342/342 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 342/342 transitions.
Applied a total of 0 rules in 18 ms. Remains 158 /158 variables (removed 0) and now considering 342/342 (removed 0) transitions.
[2026-05-25 21:08:03] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
[2026-05-25 21:08:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:08:03] [INFO ] Implicit Places using invariants in 304 ms returned []
[2026-05-25 21:08:03] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
[2026-05-25 21:08:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:08:03] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-25 21:08:04] [INFO ] Implicit Places using invariants and state equation in 623 ms returned []
Implicit Place search using SMT with State Equation took 929 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:08:04] [INFO ] Redundant transitions in 38 ms returned []
Running 336 sub problems to find dead transitions.
[2026-05-25 21:08:04] [INFO ] Flow matrix only has 252 transitions (discarded 90 similar events)
[2026-05-25 21:08:04] [INFO ] Invariant cache hit.
[2026-05-25 21:08:04] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/158 variables, 44/44 constraints. Problems are: Problem set: 0 solved, 336 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:06] [INFO ] Deduced a trap composed of 9 places in 177 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:06] [INFO ] Deduced a trap composed of 9 places in 166 ms of which 18 ms to minimize.
Problem TDEAD6 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:07] [INFO ] Deduced a trap composed of 9 places in 191 ms of which 16 ms to minimize.
Problem TDEAD7 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:07] [INFO ] Deduced a trap composed of 9 places in 170 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:07] [INFO ] Deduced a trap composed of 10 places in 176 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:07] [INFO ] Deduced a trap composed of 13 places in 119 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:07] [INFO ] Deduced a trap composed of 13 places in 193 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:08] [INFO ] Deduced a trap composed of 14 places in 206 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:08] [INFO ] Deduced a trap composed of 9 places in 190 ms of which 16 ms to minimize.
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:08] [INFO ] Deduced a trap composed of 11 places in 196 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:08] [INFO ] Deduced a trap composed of 9 places in 130 ms of which 14 ms to minimize.
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:08] [INFO ] Deduced a trap composed of 8 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 21:08:08] [INFO ] Deduced a trap composed of 8 places in 165 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:09] [INFO ] Deduced a trap composed of 8 places in 214 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:09] [INFO ] Deduced a trap composed of 8 places in 125 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:09] [INFO ] Deduced a trap composed of 11 places in 180 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:09] [INFO ] Deduced a trap composed of 11 places in 113 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:09] [INFO ] Deduced a trap composed of 11 places in 122 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:09] [INFO ] Deduced a trap composed of 11 places in 174 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:10] [INFO ] Deduced a trap composed of 11 places in 181 ms of which 13 ms to minimize.
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD159 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/158 variables, 20/64 constraints. Problems are: Problem set: 20 solved, 316 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:10] [INFO ] Deduced a trap composed of 8 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:10] [INFO ] Deduced a trap composed of 8 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 21:08:10] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:10] [INFO ] Deduced a trap composed of 19 places in 181 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:10] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:11] [INFO ] Deduced a trap composed of 19 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 21:08:11] [INFO ] Deduced a trap composed of 15 places in 201 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:11] [INFO ] Deduced a trap composed of 19 places in 145 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:11] [INFO ] Deduced a trap composed of 19 places in 146 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:11] [INFO ] Deduced a trap composed of 19 places in 153 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:12] [INFO ] Deduced a trap composed of 15 places in 199 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:12] [INFO ] Deduced a trap composed of 19 places in 143 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:12] [INFO ] Deduced a trap composed of 18 places in 207 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:12] [INFO ] Deduced a trap composed of 19 places in 153 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:12] [INFO ] Deduced a trap composed of 19 places in 190 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:13] [INFO ] Deduced a trap composed of 19 places in 195 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:13] [INFO ] Deduced a trap composed of 19 places in 201 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:13] [INFO ] Deduced a trap composed of 19 places in 183 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:13] [INFO ] Deduced a trap composed of 19 places in 177 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:13] [INFO ] Deduced a trap composed of 19 places in 171 ms of which 12 ms to minimize.
Problem TDEAD158 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD161 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 20/84 constraints. Problems are: Problem set: 23 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:14] [INFO ] Deduced a trap composed of 19 places in 214 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:14] [INFO ] Deduced a trap composed of 19 places in 183 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:14] [INFO ] Deduced a trap composed of 19 places in 190 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:15] [INFO ] Deduced a trap composed of 15 places in 197 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:15] [INFO ] Deduced a trap composed of 19 places in 198 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:15] [INFO ] Deduced a trap composed of 19 places in 187 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:15] [INFO ] Deduced a trap composed of 19 places in 181 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:15] [INFO ] Deduced a trap composed of 19 places in 176 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:15] [INFO ] Deduced a trap composed of 19 places in 182 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:16] [INFO ] Deduced a trap composed of 19 places in 187 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:16] [INFO ] Deduced a trap composed of 19 places in 214 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:16] [INFO ] Deduced a trap composed of 19 places in 209 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:16] [INFO ] Deduced a trap composed of 19 places in 233 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:17] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:17] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:17] [INFO ] Deduced a trap composed of 19 places in 168 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:17] [INFO ] Deduced a trap composed of 19 places in 206 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:17] [INFO ] Deduced a trap composed of 19 places in 201 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:17] [INFO ] Deduced a trap composed of 19 places in 151 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:18] [INFO ] Deduced a trap composed of 19 places in 176 ms of which 10 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 20/104 constraints. Problems are: Problem set: 23 solved, 313 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:19] [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 21:08:20] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 5 ms to minimize.
Problem TDEAD90 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:20] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 5 ms to minimize.
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:20] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 5 ms to minimize.
Problem TDEAD93 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:20] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 5 ms to minimize.
Problem TDEAD94 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:20] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 5 ms to minimize.
Problem TDEAD95 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:20] [INFO ] Deduced a trap composed of 31 places in 214 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:21] [INFO ] Deduced a trap composed of 31 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 21:08:21] [INFO ] Deduced a trap composed of 31 places in 170 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:21] [INFO ] Deduced a trap composed of 31 places in 138 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:21] [INFO ] Deduced a trap composed of 14 places in 146 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:21] [INFO ] Deduced a trap composed of 14 places in 129 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:21] [INFO ] Deduced a trap composed of 14 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 21:08:22] [INFO ] Deduced a trap composed of 14 places in 110 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:22] [INFO ] Deduced a trap composed of 15 places in 197 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:22] [INFO ] Deduced a trap composed of 15 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 21:08:22] [INFO ] Deduced a trap composed of 8 places in 74 ms of which 4 ms to minimize.
Problem TDEAD156 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:22] [INFO ] Deduced a trap composed of 19 places in 151 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:22] [INFO ] Deduced a trap composed of 19 places in 211 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:23] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 5 ms to minimize.
Problem TDEAD90 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD294 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD298 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 20/124 constraints. Problems are: Problem set: 36 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:24] [INFO ] Deduced a trap composed of 14 places in 93 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:24] [INFO ] Deduced a trap composed of 14 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 21:08:24] [INFO ] Deduced a trap composed of 14 places in 151 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:24] [INFO ] Deduced a trap composed of 14 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 21:08:24] [INFO ] Deduced a trap composed of 14 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 21:08:24] [INFO ] Deduced a trap composed of 14 places in 120 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:25] [INFO ] Deduced a trap composed of 14 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 21:08:25] [INFO ] Deduced a trap composed of 14 places in 145 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:25] [INFO ] Deduced a trap composed of 14 places in 160 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:25] [INFO ] Deduced a trap composed of 14 places in 186 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:25] [INFO ] Deduced a trap composed of 14 places in 178 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:26] [INFO ] Deduced a trap composed of 14 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 21:08:26] [INFO ] Deduced a trap composed of 14 places in 185 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:26] [INFO ] Deduced a trap composed of 15 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 21:08:26] [INFO ] Deduced a trap composed of 18 places in 122 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:26] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:26] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:27] [INFO ] Deduced a trap composed of 15 places in 89 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:27] [INFO ] Deduced a trap composed of 18 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 21:08:28] [INFO ] Deduced a trap composed of 14 places in 188 ms of which 18 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 20/144 constraints. Problems are: Problem set: 36 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:29] [INFO ] Deduced a trap composed of 14 places in 200 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:29] [INFO ] Deduced a trap composed of 14 places in 181 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:29] [INFO ] Deduced a trap composed of 14 places in 172 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:30] [INFO ] Deduced a trap composed of 14 places in 164 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:30] [INFO ] Deduced a trap composed of 18 places in 167 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:30] [INFO ] Deduced a trap composed of 31 places in 105 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 6/150 constraints. Problems are: Problem set: 36 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:34] [INFO ] Deduced a trap composed of 19 places in 199 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:34] [INFO ] Deduced a trap composed of 19 places in 190 ms of which 15 ms to minimize.
SMT process timed out in 30456ms, After SMT, problems are : Problem set: 36 solved, 300 unsolved
Search for dead transitions found 36 dead transitions in 30477ms
Found 36 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 36 transitions
Dead transitions reduction (with SMT) removed 36 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 158/158 places, 306/342 transitions.
Applied a total of 0 rules in 15 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:08:34] [INFO ] Redundant transitions in 8 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 31516 ms. Remains : 158/158 places, 306/342 transitions.
[2026-05-25 21:08:34] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
// Phase 1: matrix 228 rows 158 cols
[2026-05-25 21:08:34] [INFO ] Computed 44 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[6]
RANDOM walk for 1000000 steps (2 resets) in 2056 ms. (486 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 653 ms. (1529 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[6]
[2026-05-25 21:08:37] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:08:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:08:37] [INFO ] [Real]Absence check using 44 positive place invariants in 15 ms returned sat
[2026-05-25 21:08:37] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2026-05-25 21:08:37] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 21:08:37] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2026-05-25 21:08:37] [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 21:08:37] [INFO ] [Nat]Absence check using 44 positive place invariants in 14 ms returned sat
[2026-05-25 21:08:37] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2026-05-25 21:08:37] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:37] [INFO ] Deduced a trap composed of 8 places in 147 ms of which 14 ms to minimize.
[2026-05-25 21:08:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 165 ms
[2026-05-25 21:08:37] [INFO ] Computed and/alt/rep : 192/978/192 causal constraints (skipped 30 transitions) in 16 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:38] [INFO ] Deduced a trap composed of 18 places in 159 ms of which 11 ms to minimize.
[2026-05-25 21:08:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 193 ms
[2026-05-25 21:08:38] [INFO ] Added : 100 causal constraints over 20 iterations in 639 ms. Result :sat
Minimization took 213 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[6]
Support contains 6 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 9 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 158/158 places, 306/306 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 8 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
[2026-05-25 21:08:38] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:08:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:08:38] [INFO ] Implicit Places using invariants in 180 ms returned []
[2026-05-25 21:08:38] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:08:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:08:39] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 21:08:39] [INFO ] Implicit Places using invariants and state equation in 391 ms returned []
Implicit Place search using SMT with State Equation took 573 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:08:39] [INFO ] Redundant transitions in 3 ms returned []
Running 300 sub problems to find dead transitions.
[2026-05-25 21:08:39] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:08:39] [INFO ] Invariant cache hit.
[2026-05-25 21:08:39] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (OVERLAPS) 6/158 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:44] [INFO ] Deduced a trap composed of 8 places in 155 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:44] [INFO ] Deduced a trap composed of 8 places in 158 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:45] [INFO ] Deduced a trap composed of 8 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 21:08:45] [INFO ] Deduced a trap composed of 8 places in 152 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:45] [INFO ] Deduced a trap composed of 8 places in 164 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:45] [INFO ] Deduced a trap composed of 8 places in 159 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:45] [INFO ] Deduced a trap composed of 8 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 21:08:45] [INFO ] Deduced a trap composed of 8 places in 181 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:46] [INFO ] Deduced a trap composed of 8 places in 192 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:46] [INFO ] Deduced a trap composed of 8 places in 191 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:46] [INFO ] Deduced a trap composed of 9 places in 152 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:46] [INFO ] Deduced a trap composed of 9 places in 171 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:46] [INFO ] Deduced a trap composed of 9 places in 151 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:47] [INFO ] Deduced a trap composed of 10 places in 154 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:47] [INFO ] Deduced a trap composed of 10 places in 150 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:47] [INFO ] Deduced a trap composed of 11 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 21:08:47] [INFO ] Deduced a trap composed of 11 places in 190 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:47] [INFO ] Deduced a trap composed of 11 places in 201 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:48] [INFO ] Deduced a trap composed of 11 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 21:08:48] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 11 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 20/64 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:50] [INFO ] Deduced a trap composed of 11 places in 158 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:50] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:50] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:50] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:50] [INFO ] Deduced a trap composed of 14 places in 126 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:50] [INFO ] Deduced a trap composed of 19 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 21:08:51] [INFO ] Deduced a trap composed of 19 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 21:08:51] [INFO ] Deduced a trap composed of 19 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 21:08:51] [INFO ] Deduced a trap composed of 11 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:51] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:51] [INFO ] Deduced a trap composed of 19 places in 127 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:51] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:51] [INFO ] Deduced a trap composed of 19 places in 125 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 19 places in 127 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 19 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 21:08:52] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 9 places in 160 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:53] [INFO ] Deduced a trap composed of 31 places in 176 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 20/84 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:53] [INFO ] Deduced a trap composed of 19 places in 170 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:53] [INFO ] Deduced a trap composed of 19 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:53] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:53] [INFO ] Deduced a trap composed of 14 places in 119 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:54] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:54] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:54] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:54] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:54] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:54] [INFO ] Deduced a trap composed of 19 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 21:08:54] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:55] [INFO ] Deduced a trap composed of 19 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 21:08:55] [INFO ] Deduced a trap composed of 19 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 21:08:55] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:55] [INFO ] Deduced a trap composed of 19 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 21:08:55] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:55] [INFO ] Deduced a trap composed of 31 places in 123 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:55] [INFO ] Deduced a trap composed of 31 places in 108 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:56] [INFO ] Deduced a trap composed of 14 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 21:08:56] [INFO ] Deduced a trap composed of 14 places in 113 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 20/104 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:56] [INFO ] Deduced a trap composed of 19 places in 140 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:56] [INFO ] Deduced a trap composed of 19 places in 139 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:57] [INFO ] Deduced a trap composed of 19 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 21:08:57] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:57] [INFO ] Deduced a trap composed of 14 places in 141 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:57] [INFO ] Deduced a trap composed of 14 places in 157 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:57] [INFO ] Deduced a trap composed of 14 places in 166 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:58] [INFO ] Deduced a trap composed of 14 places in 164 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:58] [INFO ] Deduced a trap composed of 14 places in 161 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:58] [INFO ] Deduced a trap composed of 14 places in 163 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:58] [INFO ] Deduced a trap composed of 14 places in 161 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:58] [INFO ] Deduced a trap composed of 14 places in 159 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:58] [INFO ] Deduced a trap composed of 14 places in 163 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:59] [INFO ] Deduced a trap composed of 14 places in 173 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:59] [INFO ] Deduced a trap composed of 14 places in 166 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:59] [INFO ] Deduced a trap composed of 14 places in 170 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:59] [INFO ] Deduced a trap composed of 14 places in 198 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:59] [INFO ] Deduced a trap composed of 14 places in 196 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:00] [INFO ] Deduced a trap composed of 14 places in 211 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:00] [INFO ] Deduced a trap composed of 15 places in 230 ms of which 10 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 20/124 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:02] [INFO ] Deduced a trap composed of 14 places in 125 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:02] [INFO ] Deduced a trap composed of 14 places in 139 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:02] [INFO ] Deduced a trap composed of 14 places in 134 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:02] [INFO ] Deduced a trap composed of 14 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 21:09:03] [INFO ] Deduced a trap composed of 15 places in 130 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:03] [INFO ] Deduced a trap composed of 15 places in 129 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:03] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:03] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:03] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:03] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:03] [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 21:09:03] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:04] [INFO ] Deduced a trap composed of 7 places in 133 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:04] [INFO ] Deduced a trap composed of 18 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 21:09:04] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:04] [INFO ] Deduced a trap composed of 18 places in 129 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:04] [INFO ] Deduced a trap composed of 19 places in 170 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:04] [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 21:09:05] [INFO ] Deduced a trap composed of 18 places in 177 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:05] [INFO ] Deduced a trap composed of 18 places in 199 ms of which 17 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 20/144 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:05] [INFO ] Deduced a trap composed of 14 places in 165 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:06] [INFO ] Deduced a trap composed of 15 places in 168 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:06] [INFO ] Deduced a trap composed of 18 places in 151 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:07] [INFO ] Deduced a trap composed of 18 places in 153 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:07] [INFO ] Deduced a trap composed of 19 places in 128 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:07] [INFO ] Deduced a trap composed of 18 places in 130 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:07] [INFO ] Deduced a trap composed of 19 places in 133 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:07] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:08] [INFO ] Deduced a trap composed of 31 places in 101 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:08] [INFO ] Deduced a trap composed of 14 places in 135 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 10/154 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:09] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 158/386 variables, and 155 constraints, problems are : Problem set: 0 solved, 300 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 0/158 constraints, ReadFeed: 0/30 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 111/111 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 81/89 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 3 (OVERLAPS) 6/158 variables, 36/125 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 30/155 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:12] [INFO ] Deduced a trap composed of 9 places in 95 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:12] [INFO ] Deduced a trap composed of 14 places in 158 ms of which 14 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 2/157 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:13] [INFO ] Deduced a trap composed of 18 places in 105 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:14] [INFO ] Deduced a trap composed of 19 places in 104 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:15] [INFO ] Deduced a trap composed of 19 places in 111 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:15] [INFO ] Deduced a trap composed of 19 places in 105 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:15] [INFO ] Deduced a trap composed of 19 places in 149 ms of which 18 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 5/162 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:17] [INFO ] Deduced a trap composed of 19 places in 214 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:17] [INFO ] Deduced a trap composed of 19 places in 167 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:17] [INFO ] Deduced a trap composed of 19 places in 136 ms of which 19 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 3/165 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:19] [INFO ] Deduced a trap composed of 31 places in 131 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:19] [INFO ] Deduced a trap composed of 14 places in 140 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 2/167 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/158 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 10 (OVERLAPS) 228/386 variables, 158/325 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/386 variables, 30/355 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/386 variables, 300/655 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:29] [INFO ] Deduced a trap composed of 18 places in 130 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:29] [INFO ] Deduced a trap composed of 18 places in 154 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:30] [INFO ] Deduced a trap composed of 19 places in 125 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:30] [INFO ] Deduced a trap composed of 18 places in 114 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:30] [INFO ] Deduced a trap composed of 18 places in 120 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:30] [INFO ] Deduced a trap composed of 19 places in 134 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:30] [INFO ] Deduced a trap composed of 19 places in 164 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:31] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:32] [INFO ] Deduced a trap composed of 18 places in 104 ms of which 13 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/386 variables, 9/664 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 386/386 variables, and 664 constraints, problems are : Problem set: 0 solved, 300 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 132/132 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60248ms problems are : Problem set: 0 solved, 300 unsolved
Search for dead transitions found 0 dead transitions in 60255ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60848 ms. Remains : 158/158 places, 306/306 transitions.
RANDOM walk for 40000 steps (8 resets) in 1099 ms. (36 steps per ms) remains 2/2 properties
[2026-05-25 21:09:39] [INFO ] Flatten gal took : 221 ms
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 2/2 properties
[2026-05-25 21:09:40] [INFO ] Flatten gal took : 80 ms
BEST_FIRST walk for 40004 steps (8 resets) in 246 ms. (161 steps per ms) remains 2/2 properties
[2026-05-25 21:09:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17283940542989694166.gal : 50 ms
[2026-05-25 21:09:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9877344963751293593.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/ReachabilityCardinality17283940542989694166.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9877344963751293593.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/ReachabilityCardinality9877344963751293593.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 23
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :23 after 45
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :45 after 82
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :82 after 134
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :134 after 910
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :910 after 1940
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1940 after 3871
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3871 after 35053
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :35053 after 70179
Interrupted probabilistic random walk after 416231 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 2
Probabilistic random walk after 416231 steps, saw 162703 distinct states, run finished after 3006 ms. (steps per millisecond=138 ) properties seen :0
[2026-05-25 21:09:43] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:09:43] [INFO ] Invariant cache hit.
[2026-05-25 21:09:43] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/132 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 228/360 variables, 132/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 30/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 26/386 variables, 26/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 8/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/386 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 386/386 variables, and 232 constraints, problems are : Problem set: 0 solved, 2 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/132 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 228/360 variables, 132/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 30/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 26/386 variables, 26/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 8/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 2/234 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 21:09:43] [INFO ] Deduced a trap composed of 18 places in 133 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:43] [INFO ] Deduced a trap composed of 18 places in 125 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:44] [INFO ] Deduced a trap composed of 18 places in 128 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:44] [INFO ] Deduced a trap composed of 18 places in 129 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:44] [INFO ] Deduced a trap composed of 18 places in 126 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:44] [INFO ] Deduced a trap composed of 7 places in 118 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:44] [INFO ] Deduced a trap composed of 18 places in 113 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:44] [INFO ] Deduced a trap composed of 13 places in 124 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:44] [INFO ] Deduced a trap composed of 18 places in 117 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:45] [INFO ] Deduced a trap composed of 14 places in 112 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:45] [INFO ] Deduced a trap composed of 9 places in 116 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:45] [INFO ] Deduced a trap composed of 19 places in 106 ms of which 7 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 12/246 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 21:09:45] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:45] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:45] [INFO ] Deduced a trap composed of 18 places in 123 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:45] [INFO ] Deduced a trap composed of 31 places in 131 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:46] [INFO ] Deduced a trap composed of 31 places in 135 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:46] [INFO ] Deduced a trap composed of 31 places in 132 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:46] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:46] [INFO ] Deduced a trap composed of 19 places in 118 ms of which 12 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 16384
SDD size :70179 after 280507
[2026-05-25 21:09:46] [INFO ] Deduced a trap composed of 19 places in 141 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:46] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/386 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/386 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/386 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 386/386 variables, and 256 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3438 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3726ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 389 ms.
Support contains 6 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 17 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 158/158 places, 306/306 transitions.
RANDOM walk for 40000 steps (8 resets) in 373 ms. (106 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 490757 steps, run timeout after 3001 ms. (steps per millisecond=163 ) properties seen :0 out of 2
Probabilistic random walk after 490757 steps, saw 186597 distinct states, run finished after 3001 ms. (steps per millisecond=163 ) properties seen :0
[2026-05-25 21:09:50] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:09:50] [INFO ] Invariant cache hit.
[2026-05-25 21:09:50] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/132 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 228/360 variables, 132/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 30/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 26/386 variables, 26/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 8/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/386 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 386/386 variables, and 232 constraints, problems are : Problem set: 0 solved, 2 unsolved in 262 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/132 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 228/360 variables, 132/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 30/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 26/386 variables, 26/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 8/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 2/234 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 21:09:51] [INFO ] Deduced a trap composed of 18 places in 132 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:51] [INFO ] Deduced a trap composed of 18 places in 122 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:51] [INFO ] Deduced a trap composed of 18 places in 125 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:51] [INFO ] Deduced a trap composed of 18 places in 125 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:51] [INFO ] Deduced a trap composed of 18 places in 122 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:51] [INFO ] Deduced a trap composed of 7 places in 121 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:51] [INFO ] Deduced a trap composed of 18 places in 111 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:51] [INFO ] Deduced a trap composed of 13 places in 113 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:52] [INFO ] Deduced a trap composed of 18 places in 114 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:52] [INFO ] Deduced a trap composed of 14 places in 112 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:52] [INFO ] Deduced a trap composed of 9 places in 116 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:52] [INFO ] Deduced a trap composed of 19 places in 104 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 12/246 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 21:09:52] [INFO ] Deduced a trap composed of 18 places in 128 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:52] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:52] [INFO ] Deduced a trap composed of 18 places in 123 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:53] [INFO ] Deduced a trap composed of 31 places in 132 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:53] [INFO ] Deduced a trap composed of 31 places in 133 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:53] [INFO ] Deduced a trap composed of 31 places in 134 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:53] [INFO ] Deduced a trap composed of 19 places in 122 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:53] [INFO ] Deduced a trap composed of 19 places in 119 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:53] [INFO ] Deduced a trap composed of 19 places in 128 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:53] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/386 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/386 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/386 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 386/386 variables, and 256 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3239 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3512ms problems are : Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :280507 after 2.89043e+06
Parikh walk visited 0 properties in 297 ms.
Support contains 6 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 9 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 158/158 places, 306/306 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 8 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
[2026-05-25 21:09:54] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:09:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:09:54] [INFO ] Implicit Places using invariants in 183 ms returned []
[2026-05-25 21:09:54] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:09:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:09:54] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 21:09:54] [INFO ] Implicit Places using invariants and state equation in 382 ms returned []
Implicit Place search using SMT with State Equation took 567 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:09:54] [INFO ] Redundant transitions in 3 ms returned []
Running 300 sub problems to find dead transitions.
[2026-05-25 21:09:54] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:09:54] [INFO ] Invariant cache hit.
[2026-05-25 21:09:54] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (OVERLAPS) 6/158 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 108 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 97 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 100 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 99 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 104 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:59] [INFO ] Deduced a trap composed of 8 places in 109 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:00] [INFO ] Deduced a trap composed of 8 places in 114 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:00] [INFO ] Deduced a trap composed of 9 places in 94 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:00] [INFO ] Deduced a trap composed of 9 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:00] [INFO ] Deduced a trap composed of 9 places in 88 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:00] [INFO ] Deduced a trap composed of 10 places in 88 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:00] [INFO ] Deduced a trap composed of 10 places in 93 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:00] [INFO ] Deduced a trap composed of 11 places in 111 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:00] [INFO ] Deduced a trap composed of 11 places in 114 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:01] [INFO ] Deduced a trap composed of 11 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 21:10:01] [INFO ] Deduced a trap composed of 11 places in 127 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:01] [INFO ] Deduced a trap composed of 19 places in 147 ms of which 18 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 20/64 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:02] [INFO ] Deduced a trap composed of 11 places in 116 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:03] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:03] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:03] [INFO ] Deduced a trap composed of 19 places in 110 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:03] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:03] [INFO ] Deduced a trap composed of 19 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 21:10:03] [INFO ] Deduced a trap composed of 19 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 21:10:03] [INFO ] Deduced a trap composed of 19 places in 103 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:04] [INFO ] Deduced a trap composed of 11 places in 117 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:04] [INFO ] Deduced a trap composed of 19 places in 113 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:04] [INFO ] Deduced a trap composed of 19 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:04] [INFO ] Deduced a trap composed of 19 places in 106 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:04] [INFO ] Deduced a trap composed of 19 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:04] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:04] [INFO ] Deduced a trap composed of 19 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 21:10:04] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:05] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:05] [INFO ] Deduced a trap composed of 19 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 21:10:05] [INFO ] Deduced a trap composed of 9 places in 124 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:05] [INFO ] Deduced a trap composed of 31 places in 119 ms of which 11 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 20/84 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:05] [INFO ] Deduced a trap composed of 19 places in 109 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:06] [INFO ] Deduced a trap composed of 19 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:06] [INFO ] Deduced a trap composed of 19 places in 110 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:06] [INFO ] Deduced a trap composed of 14 places in 107 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:06] [INFO ] Deduced a trap composed of 19 places in 113 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:06] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:06] [INFO ] Deduced a trap composed of 19 places in 112 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:06] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:06] [INFO ] Deduced a trap composed of 19 places in 113 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:07] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:07] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:07] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:07] [INFO ] Deduced a trap composed of 19 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 21:10:07] [INFO ] Deduced a trap composed of 19 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 21:10:07] [INFO ] Deduced a trap composed of 19 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 21:10:07] [INFO ] Deduced a trap composed of 19 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 21:10:08] [INFO ] Deduced a trap composed of 31 places in 119 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:08] [INFO ] Deduced a trap composed of 31 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:08] [INFO ] Deduced a trap composed of 14 places in 97 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:08] [INFO ] Deduced a trap composed of 14 places in 115 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 20/104 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:08] [INFO ] Deduced a trap composed of 19 places in 143 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:09] [INFO ] Deduced a trap composed of 19 places in 164 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:09] [INFO ] Deduced a trap composed of 19 places in 126 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:09] [INFO ] Deduced a trap composed of 19 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 21:10:09] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:09] [INFO ] Deduced a trap composed of 14 places in 97 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:09] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:10] [INFO ] Deduced a trap composed of 14 places in 132 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:10] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:10] [INFO ] Deduced a trap composed of 14 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 21:10:10] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:10] [INFO ] Deduced a trap composed of 14 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 21:10:10] [INFO ] Deduced a trap composed of 14 places in 104 ms of which 7 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 :2.89043e+06 after 6.37291e+06
[2026-05-25 21:10:10] [INFO ] Deduced a trap composed of 14 places in 118 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:10] [INFO ] Deduced a trap composed of 14 places in 124 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:11] [INFO ] Deduced a trap composed of 14 places in 123 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:11] [INFO ] Deduced a trap composed of 14 places in 124 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:11] [INFO ] Deduced a trap composed of 14 places in 120 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:11] [INFO ] Deduced a trap composed of 14 places in 138 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:11] [INFO ] Deduced a trap composed of 15 places in 131 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 20/124 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:14] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:14] [INFO ] Deduced a trap composed of 14 places in 108 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:15] [INFO ] Deduced a trap composed of 14 places in 108 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:15] [INFO ] Deduced a trap composed of 14 places in 112 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:15] [INFO ] Deduced a trap composed of 15 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 21:10:15] [INFO ] Deduced a trap composed of 15 places in 119 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:15] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:15] [INFO ] Deduced a trap composed of 14 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 21:10:15] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:15] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:16] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:16] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:16] [INFO ] Deduced a trap composed of 7 places in 109 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:16] [INFO ] Deduced a trap composed of 18 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:16] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:16] [INFO ] Deduced a trap composed of 18 places in 126 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:16] [INFO ] Deduced a trap composed of 19 places in 108 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:16] [INFO ] Deduced a trap composed of 9 places in 104 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:17] [INFO ] Deduced a trap composed of 18 places in 114 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:17] [INFO ] Deduced a trap composed of 18 places in 123 ms of which 11 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 20/144 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:17] [INFO ] Deduced a trap composed of 14 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 21:10:18] [INFO ] Deduced a trap composed of 15 places in 126 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:18] [INFO ] Deduced a trap composed of 18 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 21:10:18] [INFO ] Deduced a trap composed of 18 places in 127 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:18] [INFO ] Deduced a trap composed of 19 places in 118 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:19] [INFO ] Deduced a trap composed of 18 places in 123 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:19] [INFO ] Deduced a trap composed of 19 places in 120 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:19] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:19] [INFO ] Deduced a trap composed of 31 places in 106 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:19] [INFO ] Deduced a trap composed of 14 places in 95 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 10/154 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:20] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/158 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:23] [INFO ] Deduced a trap composed of 9 places in 85 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:24] [INFO ] Deduced a trap composed of 31 places in 105 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:24] [INFO ] Deduced a trap composed of 14 places in 96 ms of which 10 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/158 variables, 3/158 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 158/386 variables, and 158 constraints, problems are : Problem set: 0 solved, 300 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 0/158 constraints, ReadFeed: 0/30 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 114/114 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 83/91 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 3 (OVERLAPS) 6/158 variables, 36/127 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 31/158 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 6 (OVERLAPS) 228/386 variables, 158/316 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 30/346 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Detected timeout of ITS tools.
[2026-05-25 21:10:30] [INFO ] Flatten gal took : 55 ms
[2026-05-25 21:10:30] [INFO ] Applying decomposition
[2026-05-25 21:10:30] [INFO ] Flatten gal took : 46 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/graph6630084019087536601.txt' '-o' '/tmp/graph6630084019087536601.bin' '-w' '/tmp/graph6630084019087536601.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6630084019087536601.bin' '-l' '-1' '-v' '-w' '/tmp/graph6630084019087536601.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:10:30] [INFO ] Decomposing Gal with order
[2026-05-25 21:10:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:10:30] [INFO ] Removed a total of 336 redundant transitions.
[2026-05-25 21:10:30] [INFO ] Flatten gal took : 116 ms
[2026-05-25 21:10:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 98 labels/synchronizations in 42 ms.
[2026-05-25 21:10:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13235156079930933619.gal : 20 ms
[2026-05-25 21:10:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16881846432103176991.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/ReachabilityCardinality13235156079930933619.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16881846432103176991.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/ReachabilityCardinality16881846432103176991.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 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 23
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :23 after 45
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :45 after 89
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :89 after 214
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :214 after 990
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :990 after 2050
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2050 after 5874
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :5874 after 37017
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 300/646 constraints. Problems are: Problem set: 0 solved, 300 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :37017 after 65538
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:36] [INFO ] Deduced a trap composed of 18 places in 198 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:36] [INFO ] Deduced a trap composed of 18 places in 129 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:37] [INFO ] Deduced a trap composed of 18 places in 163 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:37] [INFO ] Deduced a trap composed of 18 places in 128 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:37] [INFO ] Deduced a trap composed of 18 places in 127 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:37] [INFO ] Deduced a trap composed of 19 places in 119 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:38] [INFO ] Deduced a trap composed of 19 places in 107 ms of which 13 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :65538 after 855083
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 7/653 constraints. Problems are: Problem set: 0 solved, 300 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :855083 after 1.38139e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:49] [INFO ] Deduced a trap composed of 18 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 21:10:49] [INFO ] Deduced a trap composed of 18 places in 127 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:49] [INFO ] Deduced a trap composed of 18 places in 118 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:50] [INFO ] Deduced a trap composed of 18 places in 127 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:50] [INFO ] Deduced a trap composed of 18 places in 112 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:51] [INFO ] Deduced a trap composed of 19 places in 100 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:51] [INFO ] Deduced a trap composed of 31 places in 85 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/386 variables, 7/660 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 386/386 variables, and 660 constraints, problems are : Problem set: 0 solved, 300 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 128/128 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60132ms problems are : Problem set: 0 solved, 300 unsolved
Search for dead transitions found 0 dead transitions in 60135ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60723 ms. Remains : 158/158 places, 306/306 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Iterating post reduction 0 with 78 rules applied. Total rules applied 78 place count 158 transition count 228
Performed 36 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 36 Pre rules applied. Total rules applied 78 place count 158 transition count 192
Deduced a syphon composed of 36 places in 0 ms
Ensure Unique test removed 30 places
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 1 with 102 rules applied. Total rules applied 180 place count 92 transition count 192
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 192 place count 86 transition count 186
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -30
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 204 place count 80 transition count 216
Free-agglomeration rule applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 210 place count 80 transition count 210
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 216 place count 74 transition count 210
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 222 place count 74 transition count 210
Partial Post-agglomeration rule applied 6 times.
Drop transitions (Partial Post agglomeration) removed 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 228 place count 74 transition count 210
Applied a total of 228 rules in 92 ms. Remains 74 /158 variables (removed 84) and now considering 210/306 (removed 96) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 210 rows 74 cols
[2026-05-25 21:10:55] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 21:10:55] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2026-05-25 21:10:55] [INFO ] After 218ms 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 21:10:55] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:10:55] [INFO ] After 86ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 21:10:55] [INFO ] After 119ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 21:10:55] [INFO ] After 197ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 21:10:55] [INFO ] Flatten gal took : 20 ms
[2026-05-25 21:10:55] [INFO ] Flatten gal took : 19 ms
[2026-05-25 21:10:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15792480775824432813.gal : 3 ms
[2026-05-25 21:10:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6301355665881108435.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/ReachabilityCardinality15792480775824432813.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6301355665881108435.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/ReachabilityCardinality6301355665881108435.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 18
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :18 after 24
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :24 after 49
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :49 after 188
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :188 after 276
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :276 after 648
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :648 after 3230
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3230 after 18921
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :18921 after 169320
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :169320 after 1.55025e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.55025e+06 after 4.36626e+06
Reachability property MAX0 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 4097 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.86111e+07,1.45633,37444,2,7975,20,137136,6,0,508,128619,0
Total reachable state count : 18611127

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
MAX0,4,1.46056,37444,2,77,20,137136,7,0,536,128619,0
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
MIN0,15,1.46139,37444,2,94,20,137136,8,0,542,128619,0
Over-approximation ignoring read arcs solved 0 properties in 2042 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:[1] Max Struct:[6]
Starting property specific reduction for LamportFastMutEx-COL-6-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[6]
[2026-05-25 21:10:57] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
// Phase 1: matrix 228 rows 158 cols
[2026-05-25 21:10:57] [INFO ] Computed 44 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 10000 steps (2 resets) in 19 ms. (500 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:[6]
[2026-05-25 21:10:57] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:10:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:10:57] [INFO ] [Real]Absence check using 44 positive place invariants in 14 ms returned sat
[2026-05-25 21:10:57] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2026-05-25 21:10:57] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 21:10:57] [INFO ] [Real]Added 30 Read/Feed constraints in 7 ms returned sat
[2026-05-25 21:10:57] [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 21:10:57] [INFO ] [Nat]Absence check using 44 positive place invariants in 18 ms returned sat
[2026-05-25 21:10:57] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2026-05-25 21:10:57] [INFO ] [Nat]Added 30 Read/Feed constraints in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:57] [INFO ] Deduced a trap composed of 8 places in 115 ms of which 10 ms to minimize.
[2026-05-25 21:10:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 136 ms
[2026-05-25 21:10:57] [INFO ] Computed and/alt/rep : 192/978/192 causal constraints (skipped 30 transitions) in 19 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:10:58] [INFO ] Deduced a trap composed of 18 places in 112 ms of which 8 ms to minimize.
[2026-05-25 21:10:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 149 ms
[2026-05-25 21:10:58] [INFO ] Added : 100 causal constraints over 20 iterations in 768 ms. Result :sat
Minimization took 241 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[6]
Support contains 6 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 6 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 158/158 places, 306/306 transitions.
[2026-05-25 21:10:58] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:10:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[6]
RANDOM walk for 1000000 steps (2 resets) in 1775 ms. (563 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 638 ms. (1564 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[6]
[2026-05-25 21:11:01] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:11:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:11:01] [INFO ] [Real]Absence check using 44 positive place invariants in 19 ms returned sat
[2026-05-25 21:11:01] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2026-05-25 21:11:01] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 21:11:01] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2026-05-25 21:11:01] [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 21:11:01] [INFO ] [Nat]Absence check using 44 positive place invariants in 13 ms returned sat
[2026-05-25 21:11:01] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2026-05-25 21:11:01] [INFO ] [Nat]Added 30 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:01] [INFO ] Deduced a trap composed of 8 places in 149 ms of which 15 ms to minimize.
[2026-05-25 21:11:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 168 ms
[2026-05-25 21:11:01] [INFO ] Computed and/alt/rep : 192/978/192 causal constraints (skipped 30 transitions) in 15 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:02] [INFO ] Deduced a trap composed of 18 places in 188 ms of which 12 ms to minimize.
[2026-05-25 21:11:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 224 ms
[2026-05-25 21:11:02] [INFO ] Added : 100 causal constraints over 20 iterations in 732 ms. Result :sat
Minimization took 219 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[6]
Support contains 6 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 6 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 158/158 places, 306/306 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 5 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
[2026-05-25 21:11:02] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:11:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:11:02] [INFO ] Implicit Places using invariants in 343 ms returned []
[2026-05-25 21:11:02] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:11:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:11:03] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 21:11:03] [INFO ] Implicit Places using invariants and state equation in 596 ms returned []
Implicit Place search using SMT with State Equation took 942 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:11:03] [INFO ] Redundant transitions in 4 ms returned []
Running 300 sub problems to find dead transitions.
[2026-05-25 21:11:03] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:11:03] [INFO ] Invariant cache hit.
[2026-05-25 21:11:03] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (OVERLAPS) 6/158 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:07] [INFO ] Deduced a trap composed of 8 places in 149 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:07] [INFO ] Deduced a trap composed of 8 places in 161 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:07] [INFO ] Deduced a trap composed of 8 places in 144 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:08] [INFO ] Deduced a trap composed of 8 places in 145 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:08] [INFO ] Deduced a trap composed of 8 places in 129 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:08] [INFO ] Deduced a trap composed of 8 places in 104 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:08] [INFO ] Deduced a trap composed of 8 places in 114 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:08] [INFO ] Deduced a trap composed of 8 places in 116 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:08] [INFO ] Deduced a trap composed of 8 places in 175 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:09] [INFO ] Deduced a trap composed of 8 places in 212 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:09] [INFO ] Deduced a trap composed of 9 places in 123 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:09] [INFO ] Deduced a trap composed of 9 places in 117 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:09] [INFO ] Deduced a trap composed of 9 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 21:11:09] [INFO ] Deduced a trap composed of 10 places in 101 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:09] [INFO ] Deduced a trap composed of 10 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:09] [INFO ] Deduced a trap composed of 11 places in 150 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:09] [INFO ] Deduced a trap composed of 11 places in 141 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:10] [INFO ] Deduced a trap composed of 11 places in 122 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:10] [INFO ] Deduced a trap composed of 11 places in 199 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:10] [INFO ] Deduced a trap composed of 19 places in 139 ms of which 12 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 20/64 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:12] [INFO ] Deduced a trap composed of 11 places in 197 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:12] [INFO ] Deduced a trap composed of 19 places in 201 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:12] [INFO ] Deduced a trap composed of 19 places in 171 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:13] [INFO ] Deduced a trap composed of 19 places in 148 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:13] [INFO ] Deduced a trap composed of 14 places in 113 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:13] [INFO ] Deduced a trap composed of 19 places in 167 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:13] [INFO ] Deduced a trap composed of 19 places in 168 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:13] [INFO ] Deduced a trap composed of 19 places in 165 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:13] [INFO ] Deduced a trap composed of 11 places in 215 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:14] [INFO ] Deduced a trap composed of 19 places in 201 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:14] [INFO ] Deduced a trap composed of 19 places in 192 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:14] [INFO ] Deduced a trap composed of 19 places in 179 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:14] [INFO ] Deduced a trap composed of 19 places in 161 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:14] [INFO ] Deduced a trap composed of 19 places in 172 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:15] [INFO ] Deduced a trap composed of 19 places in 167 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:15] [INFO ] Deduced a trap composed of 19 places in 174 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:15] [INFO ] Deduced a trap composed of 19 places in 186 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:15] [INFO ] Deduced a trap composed of 19 places in 202 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:15] [INFO ] Deduced a trap composed of 9 places in 215 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:16] [INFO ] Deduced a trap composed of 31 places in 210 ms of which 17 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 20/84 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:16] [INFO ] Deduced a trap composed of 19 places in 152 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:16] [INFO ] Deduced a trap composed of 19 places in 119 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:17] [INFO ] Deduced a trap composed of 19 places in 198 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:17] [INFO ] Deduced a trap composed of 14 places in 189 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:17] [INFO ] Deduced a trap composed of 19 places in 150 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:17] [INFO ] Deduced a trap composed of 19 places in 201 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:17] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:18] [INFO ] Deduced a trap composed of 19 places in 198 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:18] [INFO ] Deduced a trap composed of 19 places in 205 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:18] [INFO ] Deduced a trap composed of 19 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 21:11:18] [INFO ] Deduced a trap composed of 19 places in 204 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:18] [INFO ] Deduced a trap composed of 19 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 21:11:18] [INFO ] Deduced a trap composed of 19 places in 138 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:19] [INFO ] Deduced a trap composed of 19 places in 143 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:19] [INFO ] Deduced a trap composed of 19 places in 200 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:19] [INFO ] Deduced a trap composed of 19 places in 148 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:19] [INFO ] Deduced a trap composed of 31 places in 156 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:19] [INFO ] Deduced a trap composed of 31 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:19] [INFO ] Deduced a trap composed of 14 places in 111 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:20] [INFO ] Deduced a trap composed of 14 places in 152 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 20/104 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:20] [INFO ] Deduced a trap composed of 19 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:20] [INFO ] Deduced a trap composed of 19 places in 131 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:21] [INFO ] Deduced a trap composed of 19 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 21:11:21] [INFO ] Deduced a trap composed of 19 places in 149 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:21] [INFO ] Deduced a trap composed of 14 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 21:11:21] [INFO ] Deduced a trap composed of 14 places in 151 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:21] [INFO ] Deduced a trap composed of 14 places in 140 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:21] [INFO ] Deduced a trap composed of 14 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 21:11:22] [INFO ] Deduced a trap composed of 14 places in 184 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:22] [INFO ] Deduced a trap composed of 14 places in 132 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:22] [INFO ] Deduced a trap composed of 14 places in 135 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:22] [INFO ] Deduced a trap composed of 14 places in 180 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:22] [INFO ] Deduced a trap composed of 14 places in 168 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:23] [INFO ] Deduced a trap composed of 14 places in 156 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:23] [INFO ] Deduced a trap composed of 14 places in 142 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:23] [INFO ] Deduced a trap composed of 14 places in 109 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:23] [INFO ] Deduced a trap composed of 14 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 21:11:23] [INFO ] Deduced a trap composed of 14 places in 112 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:23] [INFO ] Deduced a trap composed of 14 places in 183 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:23] [INFO ] Deduced a trap composed of 15 places in 128 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 20/124 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:26] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:26] [INFO ] Deduced a trap composed of 14 places in 107 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:26] [INFO ] Deduced a trap composed of 14 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 21:11:26] [INFO ] Deduced a trap composed of 14 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 21:11:27] [INFO ] Deduced a trap composed of 15 places in 210 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:27] [INFO ] Deduced a trap composed of 15 places in 219 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:27] [INFO ] Deduced a trap composed of 14 places in 89 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:27] [INFO ] Deduced a trap composed of 14 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 21:11:27] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:27] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:28] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:28] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:28] [INFO ] Deduced a trap composed of 7 places in 104 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:28] [INFO ] Deduced a trap composed of 18 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 21:11:28] [INFO ] Deduced a trap composed of 7 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:28] [INFO ] Deduced a trap composed of 18 places in 201 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:28] [INFO ] Deduced a trap composed of 19 places in 206 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:29] [INFO ] Deduced a trap composed of 9 places in 183 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:29] [INFO ] Deduced a trap composed of 18 places in 182 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:29] [INFO ] Deduced a trap composed of 18 places in 194 ms of which 18 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 20/144 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:30] [INFO ] Deduced a trap composed of 14 places in 169 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:31] [INFO ] Deduced a trap composed of 15 places in 193 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:31] [INFO ] Deduced a trap composed of 18 places in 188 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:31] [INFO ] Deduced a trap composed of 18 places in 188 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:32] [INFO ] Deduced a trap composed of 19 places in 186 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:32] [INFO ] Deduced a trap composed of 18 places in 215 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:32] [INFO ] Deduced a trap composed of 19 places in 209 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:32] [INFO ] Deduced a trap composed of 7 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:33] [INFO ] Deduced a trap composed of 31 places in 176 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:33] [INFO ] Deduced a trap composed of 14 places in 92 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 10/154 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 158/386 variables, and 154 constraints, problems are : Problem set: 0 solved, 300 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 0/158 constraints, ReadFeed: 0/30 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 110/110 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 81/89 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 3 (OVERLAPS) 6/158 variables, 36/125 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 29/154 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:36] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:36] [INFO ] Deduced a trap composed of 9 places in 111 ms of which 11 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 2/156 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:40] [INFO ] Deduced a trap composed of 19 places in 134 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:40] [INFO ] Deduced a trap composed of 19 places in 160 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:40] [INFO ] Deduced a trap composed of 19 places in 160 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:40] [INFO ] Deduced a trap composed of 19 places in 166 ms of which 11 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 4/160 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:43] [INFO ] Deduced a trap composed of 19 places in 141 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:43] [INFO ] Deduced a trap composed of 19 places in 119 ms of which 10 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 2/162 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 9 (OVERLAPS) 228/386 variables, 158/320 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/386 variables, 30/350 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/386 variables, 300/650 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:51] [INFO ] Deduced a trap composed of 31 places in 140 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:53] [INFO ] Deduced a trap composed of 18 places in 159 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:53] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:54] [INFO ] Deduced a trap composed of 19 places in 150 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:54] [INFO ] Deduced a trap composed of 18 places in 184 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:54] [INFO ] Deduced a trap composed of 19 places in 164 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:54] [INFO ] Deduced a trap composed of 19 places in 169 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:55] [INFO ] Deduced a trap composed of 19 places in 132 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:55] [INFO ] Deduced a trap composed of 18 places in 137 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:55] [INFO ] Deduced a trap composed of 19 places in 133 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:55] [INFO ] Deduced a trap composed of 31 places in 151 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:55] [INFO ] Deduced a trap composed of 18 places in 152 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:56] [INFO ] Deduced a trap composed of 31 places in 140 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:56] [INFO ] Deduced a trap composed of 19 places in 220 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:57] [INFO ] Deduced a trap composed of 19 places in 188 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:57] [INFO ] Deduced a trap composed of 19 places in 156 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:57] [INFO ] Deduced a trap composed of 19 places in 137 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:57] [INFO ] Deduced a trap composed of 19 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 21:11:58] [INFO ] Deduced a trap composed of 18 places in 121 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:11:58] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 9 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/386 variables, 20/670 constraints. Problems are: Problem set: 0 solved, 300 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 Int declared 386/386 variables, and 670 constraints, problems are : Problem set: 0 solved, 300 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 138/138 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60150ms problems are : Problem set: 0 solved, 300 unsolved
Search for dead transitions found 0 dead transitions in 60152ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61112 ms. Remains : 158/158 places, 306/306 transitions.
[2026-05-25 21:12:03] [INFO ] Flatten gal took : 49 ms
RANDOM walk for 40000 steps (8 resets) in 254 ms. (156 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 102 ms. (388 steps per ms) remains 2/2 properties
[2026-05-25 21:12:03] [INFO ] Flatten gal took : 52 ms
[2026-05-25 21:12:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12716177896065750372.gal : 12 ms
[2026-05-25 21:12:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7121244056213697858.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/ReachabilityCardinality12716177896065750372.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7121244056213697858.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (8 resets) in 98 ms. (404 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7121244056213697858.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 23
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :23 after 45
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :45 after 82
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :82 after 134
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :134 after 910
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :910 after 1940
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1940 after 3871
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3871 after 35053
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :35053 after 70179
Interrupted probabilistic random walk after 531877 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 2
Probabilistic random walk after 531877 steps, saw 199041 distinct states, run finished after 3001 ms. (steps per millisecond=177 ) properties seen :0
[2026-05-25 21:12:06] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:12:06] [INFO ] Invariant cache hit.
[2026-05-25 21:12:06] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/132 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 228/360 variables, 132/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 30/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 26/386 variables, 26/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 8/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/386 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 386/386 variables, and 232 constraints, problems are : Problem set: 0 solved, 2 unsolved in 276 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/132 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 228/360 variables, 132/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 30/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 26/386 variables, 26/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 8/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 2/234 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 21:12:07] [INFO ] Deduced a trap composed of 18 places in 149 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:07] [INFO ] Deduced a trap composed of 18 places in 152 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:07] [INFO ] Deduced a trap composed of 18 places in 148 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:08] [INFO ] Deduced a trap composed of 18 places in 152 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:08] [INFO ] Deduced a trap composed of 18 places in 151 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:08] [INFO ] Deduced a trap composed of 7 places in 155 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:08] [INFO ] Deduced a trap composed of 18 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 21:12:08] [INFO ] Deduced a trap composed of 13 places in 137 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:08] [INFO ] Deduced a trap composed of 18 places in 181 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:09] [INFO ] Deduced a trap composed of 14 places in 160 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:09] [INFO ] Deduced a trap composed of 9 places in 162 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:09] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 12/246 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 21:12:09] [INFO ] Deduced a trap composed of 18 places in 176 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:09] [INFO ] Deduced a trap composed of 19 places in 186 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:10] [INFO ] Deduced a trap composed of 18 places in 220 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:10] [INFO ] Deduced a trap composed of 31 places in 197 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:10] [INFO ] Deduced a trap composed of 31 places in 182 ms of which 26 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 16384
SDD size :70179 after 280507
[2026-05-25 21:12:10] [INFO ] Deduced a trap composed of 31 places in 148 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:10] [INFO ] Deduced a trap composed of 19 places in 166 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:10] [INFO ] Deduced a trap composed of 19 places in 179 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:11] [INFO ] Deduced a trap composed of 19 places in 181 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:11] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/386 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/386 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/386 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 386/386 variables, and 256 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4195 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4479ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 350 ms.
Support contains 6 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 6 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 158/158 places, 306/306 transitions.
RANDOM walk for 40000 steps (8 resets) in 196 ms. (203 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 516904 steps, run timeout after 3001 ms. (steps per millisecond=172 ) properties seen :0 out of 2
Probabilistic random walk after 516904 steps, saw 194519 distinct states, run finished after 3006 ms. (steps per millisecond=171 ) properties seen :0
[2026-05-25 21:12:14] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:12:14] [INFO ] Invariant cache hit.
[2026-05-25 21:12:14] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/132 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 228/360 variables, 132/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 30/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 26/386 variables, 26/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 8/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/386 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 386/386 variables, and 232 constraints, problems are : Problem set: 0 solved, 2 unsolved in 330 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 126/132 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 228/360 variables, 132/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 30/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 26/386 variables, 26/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 8/232 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 2/234 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 21:12:15] [INFO ] Deduced a trap composed of 18 places in 170 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:15] [INFO ] Deduced a trap composed of 18 places in 192 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:16] [INFO ] Deduced a trap composed of 18 places in 193 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:16] [INFO ] Deduced a trap composed of 18 places in 198 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:16] [INFO ] Deduced a trap composed of 18 places in 189 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:16] [INFO ] Deduced a trap composed of 7 places in 173 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:16] [INFO ] Deduced a trap composed of 18 places in 178 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:17] [INFO ] Deduced a trap composed of 13 places in 157 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:17] [INFO ] Deduced a trap composed of 18 places in 151 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:17] [INFO ] Deduced a trap composed of 14 places in 142 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:17] [INFO ] Deduced a trap composed of 9 places in 140 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:17] [INFO ] Deduced a trap composed of 19 places in 129 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 12/246 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 21:12:17] [INFO ] Deduced a trap composed of 18 places in 135 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:18] [INFO ] Deduced a trap composed of 19 places in 132 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:18] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:18] [INFO ] Deduced a trap composed of 31 places in 148 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:18] [INFO ] Deduced a trap composed of 31 places in 137 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:18] [INFO ] Deduced a trap composed of 31 places in 134 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:18] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:18] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:19] [INFO ] Deduced a trap composed of 19 places in 126 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:19] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 3 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
At refinement iteration 10 (INCLUDED_ONLY) 0/386 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/386 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :280507 after 2.89043e+06
At refinement iteration 12 (OVERLAPS) 0/386 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 386/386 variables, and 256 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4041 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4380ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 329 ms.
Support contains 6 out of 158 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 5 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 158/158 places, 306/306 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 158/158 places, 306/306 transitions.
Applied a total of 0 rules in 5 ms. Remains 158 /158 variables (removed 0) and now considering 306/306 (removed 0) transitions.
[2026-05-25 21:12:19] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:12:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:12:19] [INFO ] Implicit Places using invariants in 238 ms returned []
[2026-05-25 21:12:19] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:12:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:12:19] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-25 21:12:20] [INFO ] Implicit Places using invariants and state equation in 430 ms returned []
Implicit Place search using SMT with State Equation took 674 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:12:20] [INFO ] Redundant transitions in 1 ms returned []
Running 300 sub problems to find dead transitions.
[2026-05-25 21:12:20] [INFO ] Flow matrix only has 228 transitions (discarded 78 similar events)
[2026-05-25 21:12:20] [INFO ] Invariant cache hit.
[2026-05-25 21:12:20] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (OVERLAPS) 6/158 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:25] [INFO ] Deduced a trap composed of 8 places in 134 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:25] [INFO ] Deduced a trap composed of 8 places in 128 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:25] [INFO ] Deduced a trap composed of 8 places in 126 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:25] [INFO ] Deduced a trap composed of 8 places in 158 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:25] [INFO ] Deduced a trap composed of 8 places in 129 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:25] [INFO ] Deduced a trap composed of 8 places in 138 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:25] [INFO ] Deduced a trap composed of 8 places in 134 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:26] [INFO ] Deduced a trap composed of 8 places in 144 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:26] [INFO ] Deduced a trap composed of 8 places in 144 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:26] [INFO ] Deduced a trap composed of 8 places in 144 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:26] [INFO ] Deduced a trap composed of 9 places in 137 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:26] [INFO ] Deduced a trap composed of 9 places in 120 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:26] [INFO ] Deduced a trap composed of 9 places in 120 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:26] [INFO ] Deduced a trap composed of 10 places in 119 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:27] [INFO ] Deduced a trap composed of 10 places in 108 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:27] [INFO ] Deduced a trap composed of 11 places in 141 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:27] [INFO ] Deduced a trap composed of 11 places in 139 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:27] [INFO ] Deduced a trap composed of 11 places in 143 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:27] [INFO ] Deduced a trap composed of 11 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 21:12:27] [INFO ] Deduced a trap composed of 19 places in 112 ms of which 11 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 20/64 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:29] [INFO ] Deduced a trap composed of 11 places in 150 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:29] [INFO ] Deduced a trap composed of 19 places in 152 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:30] [INFO ] Deduced a trap composed of 19 places in 149 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:30] [INFO ] Deduced a trap composed of 19 places in 171 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:30] [INFO ] Deduced a trap composed of 14 places in 141 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:30] [INFO ] Deduced a trap composed of 19 places in 141 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:30] [INFO ] Deduced a trap composed of 19 places in 137 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:30] [INFO ] Deduced a trap composed of 19 places in 143 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:31] [INFO ] Deduced a trap composed of 11 places in 158 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:31] [INFO ] Deduced a trap composed of 19 places in 149 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:31] [INFO ] Deduced a trap composed of 19 places in 151 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:31] [INFO ] Deduced a trap composed of 19 places in 148 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:31] [INFO ] Deduced a trap composed of 19 places in 149 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:31] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:31] [INFO ] Deduced a trap composed of 19 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 21:12:32] [INFO ] Deduced a trap composed of 19 places in 117 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:32] [INFO ] Deduced a trap composed of 19 places in 117 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:32] [INFO ] Deduced a trap composed of 19 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 21:12:32] [INFO ] Deduced a trap composed of 9 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 21:12:32] [INFO ] Deduced a trap composed of 31 places in 122 ms of which 11 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 20/84 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:33] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:33] [INFO ] Deduced a trap composed of 19 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 21:12:33] [INFO ] Deduced a trap composed of 19 places in 167 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:33] [INFO ] Deduced a trap composed of 14 places in 142 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:33] [INFO ] Deduced a trap composed of 19 places in 154 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:33] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:33] [INFO ] Deduced a trap composed of 19 places in 113 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:34] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:34] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:34] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:34] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:34] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:34] [INFO ] Deduced a trap composed of 19 places in 112 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:34] [INFO ] Deduced a trap composed of 19 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 21:12:34] [INFO ] Deduced a trap composed of 19 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 21:12:35] [INFO ] Deduced a trap composed of 19 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 21:12:35] [INFO ] Deduced a trap composed of 31 places in 119 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:35] [INFO ] Deduced a trap composed of 31 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:35] [INFO ] Deduced a trap composed of 14 places in 91 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:35] [INFO ] Deduced a trap composed of 14 places in 91 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 20/104 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:36] [INFO ] Deduced a trap composed of 19 places in 175 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:36] [INFO ] Deduced a trap composed of 19 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:36] [INFO ] Deduced a trap composed of 19 places in 113 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:36] [INFO ] Deduced a trap composed of 19 places in 113 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:36] [INFO ] Deduced a trap composed of 14 places in 102 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:36] [INFO ] Deduced a trap composed of 14 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 21:12:37] [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 21:12:37] [INFO ] Deduced a trap composed of 14 places in 102 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:37] [INFO ] Deduced a trap composed of 14 places in 103 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:37] [INFO ] Deduced a trap composed of 14 places in 103 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:37] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:37] [INFO ] Deduced a trap composed of 14 places in 105 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:37] [INFO ] Deduced a trap composed of 14 places in 108 ms of which 7 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
[2026-05-25 21:12:37] [INFO ] Deduced a trap composed of 14 places in 107 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :2.89043e+06 after 6.37291e+06
[2026-05-25 21:12:38] [INFO ] Deduced a trap composed of 14 places in 108 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:38] [INFO ] Deduced a trap composed of 14 places in 108 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:38] [INFO ] Deduced a trap composed of 14 places in 131 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:38] [INFO ] Deduced a trap composed of 14 places in 134 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:38] [INFO ] Deduced a trap composed of 14 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 21:12:38] [INFO ] Deduced a trap composed of 15 places in 126 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 20/124 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:40] [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 21:12:40] [INFO ] Deduced a trap composed of 14 places in 106 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:40] [INFO ] Deduced a trap composed of 14 places in 107 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:40] [INFO ] Deduced a trap composed of 14 places in 108 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:41] [INFO ] Deduced a trap composed of 15 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 21:12:41] [INFO ] Deduced a trap composed of 15 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 21:12:41] [INFO ] Deduced a trap composed of 14 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 21:12:41] [INFO ] Deduced a trap composed of 14 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 21:12:41] [INFO ] Deduced a trap composed of 14 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 21:12:41] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:41] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:41] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:42] [INFO ] Deduced a trap composed of 7 places in 109 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:42] [INFO ] Deduced a trap composed of 18 places in 99 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:42] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:42] [INFO ] Deduced a trap composed of 18 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 21:12:42] [INFO ] Deduced a trap composed of 19 places in 108 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:42] [INFO ] Deduced a trap composed of 9 places in 108 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:42] [INFO ] Deduced a trap composed of 18 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:42] [INFO ] Deduced a trap composed of 18 places in 115 ms of which 11 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 20/144 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:43] [INFO ] Deduced a trap composed of 14 places in 101 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:43] [INFO ] Deduced a trap composed of 15 places in 131 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:43] [INFO ] Deduced a trap composed of 18 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 21:12:44] [INFO ] Deduced a trap composed of 18 places in 129 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:44] [INFO ] Deduced a trap composed of 19 places in 114 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:44] [INFO ] Deduced a trap composed of 18 places in 120 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:44] [INFO ] Deduced a trap composed of 19 places in 119 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:45] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:45] [INFO ] Deduced a trap composed of 31 places in 107 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:45] [INFO ] Deduced a trap composed of 14 places in 96 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 10/154 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:46] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/158 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:48] [INFO ] Deduced a trap composed of 9 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:49] [INFO ] Deduced a trap composed of 31 places in 99 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:12:49] [INFO ] Deduced a trap composed of 14 places in 96 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/158 variables, 3/158 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 158/386 variables, and 158 constraints, problems are : Problem set: 0 solved, 300 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 0/158 constraints, ReadFeed: 0/30 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 114/114 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 300 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 83/91 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 3 (OVERLAPS) 6/158 variables, 36/127 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 31/158 constraints. Problems are: Problem set: 0 solved, 300 unsolved
Detected timeout of ITS tools.
[2026-05-25 21:12:54] [INFO ] Flatten gal took : 22 ms
[2026-05-25 21:12:54] [INFO ] Applying decomposition
[2026-05-25 21:12:54] [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/graph9380818968598337945.txt' '-o' '/tmp/graph9380818968598337945.bin' '-w' '/tmp/graph9380818968598337945.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9380818968598337945.bin' '-l' '-1' '-v' '-w' '/tmp/graph9380818968598337945.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:12:54] [INFO ] Decomposing Gal with order
[2026-05-25 21:12:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:12:54] [INFO ] Removed a total of 358 redundant transitions.
[2026-05-25 21:12:54] [INFO ] Flatten gal took : 59 ms
[2026-05-25 21:12:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 102 labels/synchronizations in 9 ms.
[2026-05-25 21:12:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7846681848201076833.gal : 6 ms
[2026-05-25 21:12:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16771762475292635374.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/ReachabilityCardinality7846681848201076833.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16771762475292635374.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/ReachabilityCardinality16771762475292635374.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 23
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :23 after 46
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :46 after 80
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :80 after 152
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :152 after 928
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :928 after 1717
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 300 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1717 after 3833
At refinement iteration 6 (OVERLAPS) 228/386 variables, 158/316 constraints. Problems are: Problem set: 0 solved, 300 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 30/346 constraints. Problems are: Problem set: 0 solved, 300 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3833 after 34800
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :34800 after 69845
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 300/646 constraints. Problems are: Problem set: 0 solved, 300 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :69845 after 314361
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:01] [INFO ] Deduced a trap composed of 18 places in 116 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:01] [INFO ] Deduced a trap composed of 18 places in 117 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:01] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:02] [INFO ] Deduced a trap composed of 18 places in 114 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:02] [INFO ] Deduced a trap composed of 18 places in 132 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:02] [INFO ] Deduced a trap composed of 19 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:03] [INFO ] Deduced a trap composed of 19 places in 100 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/386 variables, 7/653 constraints. Problems are: Problem set: 0 solved, 300 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :314361 after 2.86416e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:13] [INFO ] Deduced a trap composed of 18 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 21:13:13] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:13] [INFO ] Deduced a trap composed of 18 places in 113 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:13] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:14] [INFO ] Deduced a trap composed of 18 places in 105 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:14] [INFO ] Deduced a trap composed of 19 places in 96 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:15] [INFO ] Deduced a trap composed of 31 places in 88 ms of which 10 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/386 variables, 7/660 constraints. Problems are: Problem set: 0 solved, 300 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 Int declared 386/386 variables, and 660 constraints, problems are : Problem set: 0 solved, 300 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, State Equation: 158/158 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 300/300 constraints, Known Traps: 128/128 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60083ms problems are : Problem set: 0 solved, 300 unsolved
Search for dead transitions found 0 dead transitions in 60085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60773 ms. Remains : 158/158 places, 306/306 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Iterating post reduction 0 with 78 rules applied. Total rules applied 78 place count 158 transition count 228
Performed 36 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 36 Pre rules applied. Total rules applied 78 place count 158 transition count 192
Deduced a syphon composed of 36 places in 0 ms
Ensure Unique test removed 30 places
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 1 with 102 rules applied. Total rules applied 180 place count 92 transition count 192
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 192 place count 86 transition count 186
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -30
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 204 place count 80 transition count 216
Free-agglomeration rule applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 210 place count 80 transition count 210
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 216 place count 74 transition count 210
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 222 place count 74 transition count 210
Partial Post-agglomeration rule applied 6 times.
Drop transitions (Partial Post agglomeration) removed 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 228 place count 74 transition count 210
Applied a total of 228 rules in 30 ms. Remains 74 /158 variables (removed 84) and now considering 210/306 (removed 96) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 210 rows 74 cols
[2026-05-25 21:13:20] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 21:13:20] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:13:20] [INFO ] After 124ms 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 21:13:20] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-25 21:13:20] [INFO ] After 84ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 21:13:20] [INFO ] After 115ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 21:13:20] [INFO ] After 178ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-25 21:13:20] [INFO ] Flatten gal took : 11 ms
[2026-05-25 21:13:20] [INFO ] Flatten gal took : 10 ms
[2026-05-25 21:13:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5897243338966928524.gal : 2 ms
[2026-05-25 21:13:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2355057117596003192.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/ReachabilityCardinality5897243338966928524.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2355057117596003192.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/ReachabilityCardinality2355057117596003192.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 18
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :18 after 24
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :24 after 49
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :49 after 188
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :188 after 276
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :276 after 648
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :648 after 3230
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3230 after 18921
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :18921 after 169320
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :169320 after 1.55025e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.55025e+06 after 4.36626e+06
Reachability property MAX0 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 4097 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.86111e+07,1.34898,37416,2,7975,20,137136,6,0,508,128619,0
Total reachable state count : 18611127

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
MAX0,4,1.35304,37416,2,77,20,137136,7,0,536,128619,0
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
MIN0,15,1.35384,37416,2,94,20,137136,8,0,542,128619,0
Over-approximation ignoring read arcs solved 0 properties in 1730 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:[1] Max Struct:[6]
Ending property specific reduction for LamportFastMutEx-COL-6-UpperBounds-08 in 145104 ms.
[2026-05-25 21:13:22] [INFO ] Flatten gal took : 16 ms
[2026-05-25 21:13:22] [INFO ] Applying decomposition
[2026-05-25 21:13:22] [INFO ] Flatten gal took : 17 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/graph5086548737137669747.txt' '-o' '/tmp/graph5086548737137669747.bin' '-w' '/tmp/graph5086548737137669747.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5086548737137669747.bin' '-l' '-1' '-v' '-w' '/tmp/graph5086548737137669747.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:13:22] [INFO ] Decomposing Gal with order
[2026-05-25 21:13:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:13:22] [INFO ] Removed a total of 377 redundant transitions.
[2026-05-25 21:13:22] [INFO ] Flatten gal took : 43 ms
[2026-05-25 21:13:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 84 labels/synchronizations in 11 ms.
[2026-05-25 21:13:22] [INFO ] Time to serialize gal into /tmp/UpperBounds1940359185156906960.gal : 3 ms
[2026-05-25 21:13:22] [INFO ] Time to serialize properties into /tmp/UpperBounds10684984580057666838.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/UpperBounds1940359185156906960.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds10684984580057666838.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/UpperBounds10684984580057666838.prop.
Detected timeout of ITS tools.
[2026-05-25 21:35:38] [INFO ] Applying decomposition
[2026-05-25 21:35:38] [INFO ] Flatten gal took : 528 ms
[2026-05-25 21:35:39] [INFO ] Decomposing Gal with order
[2026-05-25 21:35:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:35:40] [INFO ] Removed a total of 674 redundant transitions.
[2026-05-25 21:35:40] [INFO ] Flatten gal took : 1052 ms
[2026-05-25 21:35:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 12 labels/synchronizations in 81 ms.
[2026-05-25 21:35:41] [INFO ] Time to serialize gal into /tmp/UpperBounds6394540343310586084.gal : 117 ms
[2026-05-25 21:35:41] [INFO ] Time to serialize properties into /tmp/UpperBounds4697542511194172701.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/UpperBounds6394540343310586084.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4697542511194172701.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...304
Loading property file /tmp/UpperBounds4697542511194172701.prop.
Detected timeout of ITS tools.
[2026-05-25 21:57:54] [INFO ] Flatten gal took : 723 ms
[2026-05-25 21:57:58] [INFO ] Input system was already deterministic with 306 transitions.
[2026-05-25 21:57:59] [INFO ] Transformed 158 places.
[2026-05-25 21:57:59] [INFO ] Transformed 306 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 21:57:59] [INFO ] Time to serialize gal into /tmp/UpperBounds254721729328634622.gal : 15 ms
[2026-05-25 21:57:59] [INFO ] Time to serialize properties into /tmp/UpperBounds69246983741071843.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds254721729328634622.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds69246983741071843.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 ...346
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds69246983741071843.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-6"
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-6, 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-177961111800047"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-6.tgz
mv LamportFastMutEx-COL-6 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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