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.r207-tall-177969919700087.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 Peterson-COL-7, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r207-tall-177969919700087
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 8.6K Mar 8 07:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 8 07:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 8 07:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 8 07:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 16 08:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 16 08:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 16 08:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 8 07:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Mar 8 07:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Mar 8 07:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 8 07:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 16 08:30 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 47K 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 Peterson-COL-7-UpperBounds-00
FORMULA_NAME Peterson-COL-7-UpperBounds-01
FORMULA_NAME Peterson-COL-7-UpperBounds-02
FORMULA_NAME Peterson-COL-7-UpperBounds-03
FORMULA_NAME Peterson-COL-7-UpperBounds-04
FORMULA_NAME Peterson-COL-7-UpperBounds-05
FORMULA_NAME Peterson-COL-7-UpperBounds-06
FORMULA_NAME Peterson-COL-7-UpperBounds-07
FORMULA_NAME Peterson-COL-7-UpperBounds-08
FORMULA_NAME Peterson-COL-7-UpperBounds-09
FORMULA_NAME Peterson-COL-7-UpperBounds-10
FORMULA_NAME Peterson-COL-7-UpperBounds-11
FORMULA_NAME Peterson-COL-7-UpperBounds-12
FORMULA_NAME Peterson-COL-7-UpperBounds-13
FORMULA_NAME Peterson-COL-7-UpperBounds-14
FORMULA_NAME Peterson-COL-7-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779719775135

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-COL-7
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-05-25 14:36:16] [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 14:36:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 14:36:16] [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 14:36:16] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-25 14:36:17] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 558 ms
[2026-05-25 14:36:17] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 2048 PT places and 3384.0 transition bindings in 19 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Reduction of identical properties reduced properties to check from 16 to 10
[2026-05-25 14:36:17] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 4 ms.
[2026-05-25 14:36:17] [INFO ] Skeletonized 10 HLPN properties in 0 ms.
Reduce places removed 2 places and 0 transitions.
// Phase 1: matrix 14 rows 9 cols
[2026-05-25 14:36:17] [INFO ] Computed 1 invariants in 3 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[7, 0, 8, 0, 0, 0, 0, 8, 0, 0] Max Struct:[7, 8, 8, 8, 8, 8, 8, 8, 8, 8]
FORMULA Peterson-COL-7-UpperBounds-11 8 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Peterson-COL-7-UpperBounds-14 8 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Peterson-COL-7-UpperBounds-09 8 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Peterson-COL-7-UpperBounds-07 8 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Peterson-COL-7-UpperBounds-02 8 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Peterson-COL-7-UpperBounds-15 7 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Peterson-COL-7-UpperBounds-00 7 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-25 14:36:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 14:36:17] [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 14:36:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:36:17] [INFO ] Added : 12 causal constraints over 4 iterations in 22 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:36:17] [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 14:36:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:36:17] [INFO ] Added : 11 causal constraints over 3 iterations in 20 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:36:17] [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 14:36:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:36:17] [INFO ] Added : 11 causal constraints over 4 iterations in 11 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:36:17] [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 14:36:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:36:17] [INFO ] Added : 11 causal constraints over 3 iterations in 9 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:36:17] [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 14:36:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:36:17] [INFO ] Added : 11 causal constraints over 5 iterations in 10 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:36:17] [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 14:36:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:36:17] [INFO ] Added : 11 causal constraints over 3 iterations in 9 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:36:17] [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 14:36:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:36:17] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 14:36:17] [INFO ] Computed and/alt/rep : 13/21/13 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:36:17] [INFO ] Added : 11 causal constraints over 4 iterations in 9 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 8, 8, 8, 8, 8, 8]
Domain [Process(8), Tour(7), Process(8)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 7)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-25 14:36:18] [INFO ] Unfolded HLPN to a Petri net with 2048 places and 3208 transitions 10032 arcs in 73 ms.
[2026-05-25 14:36:18] [INFO ] Unfolded 7 HLPN properties in 1 ms.
Deduced a syphon composed of 56 places in 18 ms
Reduce places removed 56 places and 112 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+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] Max Struct:[8, 8, 8, 8, 8, 8, 8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 8, 8, 8, 8, 8, 8]
[2026-05-25 14:36:18] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
// Phase 1: matrix 2760 rows 1992 cols
[2026-05-25 14:36:18] [INFO ] Computed 31 invariants in 48 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 8, 8, 8, 8, 8, 8]
RANDOM walk for 10000 steps (2 resets) in 320 ms. (31 steps per ms)
FORMULA Peterson-COL-7-UpperBounds-12 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-COL-7-UpperBounds-08 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-COL-7-UpperBounds-05 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (10 resets) in 256 ms. (194 steps per ms)
FORMULA Peterson-COL-7-UpperBounds-06 8 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 7, 6] Max Struct:[8, 8, 8, 8]
[2026-05-25 14:36:18] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
[2026-05-25 14:36:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:19] [INFO ] [Real]Absence check using 23 positive place invariants in 50 ms returned sat
[2026-05-25 14:36:19] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 14 ms returned sat
[2026-05-25 14:36:19] [INFO ] [Real]Absence check using state equation in 930 ms returned sat
[2026-05-25 14:36:20] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:36:20] [INFO ] [Real]Added 497 Read/Feed constraints in 190 ms returned sat
[2026-05-25 14:36:20] [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 14:36:20] [INFO ] [Nat]Absence check using 23 positive place invariants in 45 ms returned sat
[2026-05-25 14:36:20] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 13 ms returned sat
[2026-05-25 14:36:21] [INFO ] [Nat]Absence check using state equation in 897 ms returned sat
[2026-05-25 14:36:22] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 14:36:22] [INFO ] [Nat]Added 497 Read/Feed constraints in 1031 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:22] [INFO ] [Real]Absence check using 23 positive place invariants in 46 ms returned sat
[2026-05-25 14:36:22] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 14 ms returned sat
[2026-05-25 14:36:23] [INFO ] [Real]Absence check using state equation in 787 ms returned sat
[2026-05-25 14:36:23] [INFO ] [Real]Added 497 Read/Feed constraints in 118 ms returned sat
[2026-05-25 14:36:23] [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 14:36:24] [INFO ] [Nat]Absence check using 23 positive place invariants in 70 ms returned sat
[2026-05-25 14:36:24] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 29 ms returned sat
[2026-05-25 14:36:24] [INFO ] [Nat]Absence check using state equation in 763 ms returned sat
[2026-05-25 14:36:25] [INFO ] [Nat]Added 497 Read/Feed constraints in 418 ms returned sat
[2026-05-25 14:36:25] [INFO ] Computed and/alt/rep : 2640/5840/2640 causal constraints (skipped 112 transitions) in 157 ms.
[2026-05-25 14:36:27] [INFO ] Added : 20 causal constraints over 4 iterations in 1522 ms. Result :sat
Minimization took 608 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:27] [INFO ] [Real]Absence check using 23 positive place invariants in 48 ms returned sat
[2026-05-25 14:36:27] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 14 ms returned sat
[2026-05-25 14:36:29] [INFO ] [Real]Absence check using state equation in 1139 ms returned sat
[2026-05-25 14:36:29] [INFO ] [Real]Added 497 Read/Feed constraints in 271 ms returned sat
[2026-05-25 14:36:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:29] [INFO ] [Nat]Absence check using 23 positive place invariants in 49 ms returned sat
[2026-05-25 14:36:29] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 13 ms returned sat
[2026-05-25 14:36:30] [INFO ] [Nat]Absence check using state equation in 1140 ms returned sat
[2026-05-25 14:36:31] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 14:36:32] [INFO ] [Nat]Added 497 Read/Feed constraints in 1032 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:36:32] [INFO ] [Real]Absence check using 23 positive place invariants in 51 ms returned sat
[2026-05-25 14:36:32] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 19 ms returned sat
[2026-05-25 14:36:33] [INFO ] [Real]Absence check using state equation in 849 ms returned sat
[2026-05-25 14:36:33] [INFO ] [Real]Added 497 Read/Feed constraints in 123 ms returned sat
[2026-05-25 14:36:33] [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 14:36:33] [INFO ] [Nat]Absence check using 23 positive place invariants in 53 ms returned sat
[2026-05-25 14:36:33] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 12 ms returned sat
[2026-05-25 14:36:34] [INFO ] [Nat]Absence check using state equation in 873 ms returned sat
[2026-05-25 14:36:35] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 14:36:35] [INFO ] [Nat]Added 497 Read/Feed constraints in 599 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:36:36] [INFO ] Deduced a trap composed of 17 places in 975 ms of which 61 ms to minimize.
[2026-05-25 14:36:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1268 ms
[2026-05-25 14:36:36] [INFO ] Computed and/alt/rep : 2640/5840/2640 causal constraints (skipped 112 transitions) in 157 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 7, 6] Max Struct:[8, 8, 8, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 2, 7, 6] Max Struct:[8, 8, 8, 8]
Support contains 960 out of 1992 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1992/1992 places, 3096/3096 transitions.
Applied a total of 0 rules in 148 ms. Remains 1992 /1992 variables (removed 0) and now considering 3096/3096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 1992/1992 places, 3096/3096 transitions.
[2026-05-25 14:36:38] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
[2026-05-25 14:36:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 2, 7, 6] Max Struct:[8, 8, 8, 8]
RANDOM walk for 1000000 steps (2 resets) in 13604 ms. (73 steps per ms)
FORMULA Peterson-COL-7-UpperBounds-10 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2803380 steps (6 resets) in 8983 ms. (312 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 5, 7] Max Struct:[8, 8, 8]
[2026-05-25 14:37:01] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
[2026-05-25 14:37:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:37:01] [INFO ] [Real]Absence check using 23 positive place invariants in 40 ms returned sat
[2026-05-25 14:37:01] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 14 ms returned sat
[2026-05-25 14:37:02] [INFO ] [Real]Absence check using state equation in 870 ms returned sat
[2026-05-25 14:37:02] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:37:02] [INFO ] [Real]Added 497 Read/Feed constraints in 195 ms returned sat
[2026-05-25 14:37:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:37:03] [INFO ] [Nat]Absence check using 23 positive place invariants in 41 ms returned sat
[2026-05-25 14:37:03] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 13 ms returned sat
[2026-05-25 14:37:03] [INFO ] [Nat]Absence check using state equation in 839 ms returned sat
[2026-05-25 14:37:05] [INFO ] [Nat]Added 497 Read/Feed constraints in 1863 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:06] [INFO ] Deduced a trap composed of 17 places in 887 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:08] [INFO ] Deduced a trap composed of 16 places in 808 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:09] [INFO ] Deduced a trap composed of 20 places in 833 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:10] [INFO ] Deduced a trap composed of 36 places in 812 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:12] [INFO ] Deduced a trap composed of 17 places in 874 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:13] [INFO ] Deduced a trap composed of 51 places in 837 ms of which 112 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:14] [INFO ] Deduced a trap composed of 50 places in 871 ms of which 112 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:15] [INFO ] Deduced a trap composed of 70 places in 926 ms of which 146 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:17] [INFO ] Deduced a trap composed of 42 places in 904 ms of which 102 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:18] [INFO ] Deduced a trap composed of 45 places in 839 ms of which 101 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:19] [INFO ] Deduced a trap composed of 51 places in 850 ms of which 117 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:21] [INFO ] Deduced a trap composed of 70 places in 915 ms of which 155 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:22] [INFO ] Deduced a trap composed of 54 places in 902 ms of which 115 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:23] [INFO ] Deduced a trap composed of 55 places in 845 ms of which 116 ms to minimize.
[2026-05-25 14:37:28] [INFO ] Trap strengthening (SAT) tested/added 14/14 trap constraints in 22578 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:37:28] [INFO ] [Real]Absence check using 23 positive place invariants in 48 ms returned sat
[2026-05-25 14:37:28] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 14 ms returned sat
[2026-05-25 14:37:29] [INFO ] [Real]Absence check using state equation in 917 ms returned sat
[2026-05-25 14:37:29] [INFO ] [Real]Added 497 Read/Feed constraints in 274 ms returned sat
[2026-05-25 14:37:30] [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 14:37:30] [INFO ] [Nat]Absence check using 23 positive place invariants in 46 ms returned sat
[2026-05-25 14:37:30] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 13 ms returned sat
[2026-05-25 14:37:31] [INFO ] [Nat]Absence check using state equation in 882 ms returned sat
[2026-05-25 14:37:31] [INFO ] [Nat]Added 497 Read/Feed constraints in 478 ms returned sat
[2026-05-25 14:37:31] [INFO ] Computed and/alt/rep : 2640/5840/2640 causal constraints (skipped 112 transitions) in 127 ms.
[2026-05-25 14:37:52] [INFO ] Added : 300 causal constraints over 60 iterations in 20253 ms.(timeout) Result :sat
Minimization took 2747 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:37:55] [INFO ] [Real]Absence check using 23 positive place invariants in 47 ms returned sat
[2026-05-25 14:37:55] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 14 ms returned sat
[2026-05-25 14:37:56] [INFO ] [Real]Absence check using state equation in 1117 ms returned sat
[2026-05-25 14:37:56] [INFO ] [Real]Added 497 Read/Feed constraints in 265 ms returned sat
[2026-05-25 14:37:56] [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 14:37:56] [INFO ] [Nat]Absence check using 23 positive place invariants in 47 ms returned sat
[2026-05-25 14:37:56] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 18 ms returned sat
[2026-05-25 14:37:58] [INFO ] [Nat]Absence check using state equation in 1095 ms returned sat
[2026-05-25 14:37:59] [INFO ] [Nat]Added 497 Read/Feed constraints in 1057 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:37:59] [INFO ] Deduced a trap composed of 13 places in 827 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:00] [INFO ] Deduced a trap composed of 17 places in 820 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:02] [INFO ] Deduced a trap composed of 13 places in 837 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:03] [INFO ] Deduced a trap composed of 13 places in 838 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:04] [INFO ] Deduced a trap composed of 13 places in 803 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:04] [INFO ] Deduced a trap composed of 13 places in 794 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:06] [INFO ] Deduced a trap composed of 13 places in 837 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:07] [INFO ] Deduced a trap composed of 13 places in 833 ms of which 36 ms to minimize.
[2026-05-25 14:38:07] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 8 trap constraints in 8006 ms
Current structural bounds on expressions (after SMT) : Max Seen:[1, 5, 7] Max Struct:[8, 8, 7]
FORMULA Peterson-COL-7-UpperBounds-13 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Peterson-COL-7-UpperBounds-04 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 5] Max Struct:[8, 8]
Support contains 456 out of 1992 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1992/1992 places, 3096/3096 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 392 transitions
Trivial Post-agglo rules discarded 392 transitions
Performed 392 trivial Post agglomeration. Transition count delta: 392
Iterating post reduction 0 with 392 rules applied. Total rules applied 392 place count 1992 transition count 2704
Reduce places removed 392 places and 0 transitions.
Performed 392 Post agglomeration using F-continuation condition.Transition count delta: 392
Iterating post reduction 1 with 784 rules applied. Total rules applied 1176 place count 1600 transition count 2312
Reduce places removed 392 places and 0 transitions.
Iterating post reduction 2 with 392 rules applied. Total rules applied 1568 place count 1208 transition count 2312
Performed 104 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 104 Pre rules applied. Total rules applied 1568 place count 1208 transition count 2208
Deduced a syphon composed of 104 places in 4 ms
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 3 with 208 rules applied. Total rules applied 1776 place count 1104 transition count 2208
Applied a total of 1776 rules in 211 ms. Remains 1104 /1992 variables (removed 888) and now considering 2208/3096 (removed 888) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 211 ms. Remains : 1104/1992 places, 2208/3096 transitions.
[2026-05-25 14:38:09] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
// Phase 1: matrix 1872 rows 1104 cols
[2026-05-25 14:38:09] [INFO ] Computed 31 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 5] Max Struct:[8, 8]
RANDOM walk for 1000000 steps (2 resets) in 6450 ms. (155 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 5917 ms. (337 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 7] Max Struct:[8, 8]
[2026-05-25 14:38:21] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:38:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:38:21] [INFO ] [Real]Absence check using 23 positive place invariants in 21 ms returned sat
[2026-05-25 14:38:21] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 8 ms returned sat
[2026-05-25 14:38:22] [INFO ] [Real]Absence check using state equation in 460 ms returned sat
[2026-05-25 14:38:22] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:38:22] [INFO ] [Real]Added 497 Read/Feed constraints in 110 ms returned sat
[2026-05-25 14:38:22] [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 14:38:22] [INFO ] [Nat]Absence check using 23 positive place invariants in 22 ms returned sat
[2026-05-25 14:38:22] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 8 ms returned sat
[2026-05-25 14:38:23] [INFO ] [Nat]Absence check using state equation in 454 ms returned sat
[2026-05-25 14:38:23] [INFO ] [Nat]Added 497 Read/Feed constraints in 573 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:24] [INFO ] Deduced a trap composed of 15 places in 380 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:24] [INFO ] Deduced a trap composed of 13 places in 351 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:25] [INFO ] Deduced a trap composed of 13 places in 372 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:25] [INFO ] Deduced a trap composed of 27 places in 401 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:26] [INFO ] Deduced a trap composed of 29 places in 374 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:27] [INFO ] Deduced a trap composed of 27 places in 368 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:27] [INFO ] Deduced a trap composed of 15 places in 360 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:28] [INFO ] Deduced a trap composed of 25 places in 387 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:28] [INFO ] Deduced a trap composed of 15 places in 380 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:29] [INFO ] Deduced a trap composed of 15 places in 391 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:30] [INFO ] Deduced a trap composed of 44 places in 415 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:30] [INFO ] Deduced a trap composed of 33 places in 383 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:31] [INFO ] Deduced a trap composed of 33 places in 407 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:31] [INFO ] Deduced a trap composed of 33 places in 390 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:32] [INFO ] Deduced a trap composed of 15 places in 395 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:33] [INFO ] Deduced a trap composed of 44 places in 408 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:34] [INFO ] Deduced a trap composed of 26 places in 418 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:34] [INFO ] Deduced a trap composed of 31 places in 403 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:35] [INFO ] Deduced a trap composed of 31 places in 361 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:37] [INFO ] Deduced a trap composed of 15 places in 355 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:37] [INFO ] Deduced a trap composed of 51 places in 382 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:38] [INFO ] Deduced a trap composed of 61 places in 421 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:38] [INFO ] Deduced a trap composed of 51 places in 383 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:39] [INFO ] Deduced a trap composed of 51 places in 389 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:40] [INFO ] Deduced a trap composed of 39 places in 389 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:40] [INFO ] Deduced a trap composed of 49 places in 401 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:41] [INFO ] Deduced a trap composed of 61 places in 410 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:42] [INFO ] Deduced a trap composed of 49 places in 422 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:45] [INFO ] Deduced a trap composed of 27 places in 397 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:46] [INFO ] Deduced a trap composed of 33 places in 419 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:47] [INFO ] Deduced a trap composed of 29 places in 407 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:48] [INFO ] Deduced a trap composed of 29 places in 387 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:49] [INFO ] Deduced a trap composed of 33 places in 381 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:49] [INFO ] Deduced a trap composed of 61 places in 414 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:50] [INFO ] Deduced a trap composed of 53 places in 408 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:50] [INFO ] Deduced a trap composed of 53 places in 396 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:51] [INFO ] Deduced a trap composed of 43 places in 393 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:52] [INFO ] Deduced a trap composed of 43 places in 381 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:52] [INFO ] Deduced a trap composed of 47 places in 385 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:55] [INFO ] Deduced a trap composed of 51 places in 384 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:38:56] [INFO ] Deduced a trap composed of 49 places in 389 ms of which 68 ms to minimize.
[2026-05-25 14:39:00] [INFO ] Trap strengthening (SAT) tested/added 41/41 trap constraints in 37201 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:39:00] [INFO ] [Real]Absence check using 23 positive place invariants in 27 ms returned sat
[2026-05-25 14:39:00] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 7 ms returned sat
[2026-05-25 14:39:01] [INFO ] [Real]Absence check using state equation in 404 ms returned sat
[2026-05-25 14:39:01] [INFO ] [Real]Added 497 Read/Feed constraints in 97 ms returned sat
[2026-05-25 14:39:01] [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 14:39:01] [INFO ] [Nat]Absence check using 23 positive place invariants in 27 ms returned sat
[2026-05-25 14:39:01] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 6 ms returned sat
[2026-05-25 14:39:02] [INFO ] [Nat]Absence check using state equation in 428 ms returned sat
[2026-05-25 14:39:02] [INFO ] [Nat]Added 497 Read/Feed constraints in 222 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:02] [INFO ] Deduced a trap composed of 11 places in 469 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:03] [INFO ] Deduced a trap composed of 11 places in 448 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:03] [INFO ] Deduced a trap composed of 11 places in 446 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:04] [INFO ] Deduced a trap composed of 11 places in 474 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:05] [INFO ] Deduced a trap composed of 11 places in 468 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:05] [INFO ] Deduced a trap composed of 11 places in 473 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:06] [INFO ] Deduced a trap composed of 69 places in 400 ms of which 51 ms to minimize.
[2026-05-25 14:39:06] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 3689 ms
[2026-05-25 14:39:06] [INFO ] Computed and/alt/rep : 1752/5288/1752 causal constraints (skipped 112 transitions) in 93 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:11] [INFO ] Deduced a trap composed of 31 places in 403 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:11] [INFO ] Deduced a trap composed of 14 places in 485 ms of which 32 ms to minimize.
[2026-05-25 14:39:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1249 ms
[2026-05-25 14:39:12] [INFO ] Added : 168 causal constraints over 34 iterations in 6198 ms. Result :sat
Minimization took 741 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 7] Max Struct:[8, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 7] Max Struct:[8, 8]
Support contains 456 out of 1104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1104/1104 places, 2208/2208 transitions.
Applied a total of 0 rules in 34 ms. Remains 1104 /1104 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 1104/1104 places, 2208/2208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1104/1104 places, 2208/2208 transitions.
Applied a total of 0 rules in 32 ms. Remains 1104 /1104 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
[2026-05-25 14:39:13] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:39:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:39:15] [INFO ] Implicit Places using invariants in 1157 ms returned [0, 1, 2, 3, 4, 5, 6, 7]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 1163 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1096/1104 places, 2208/2208 transitions.
Applied a total of 0 rules in 34 ms. Remains 1096 /1096 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1233 ms. Remains : 1096/1104 places, 2208/2208 transitions.
[2026-05-25 14:39:15] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
// Phase 1: matrix 1872 rows 1096 cols
[2026-05-25 14:39:15] [INFO ] Computed 23 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 7] Max Struct:[8, 8]
RANDOM walk for 1000000 steps (2 resets) in 8005 ms. (124 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 6012 ms. (332 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 7] Max Struct:[8, 8]
[2026-05-25 14:39:29] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:39:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:39:29] [INFO ] [Real]Absence check using 23 positive place invariants in 20 ms returned sat
[2026-05-25 14:39:29] [INFO ] [Real]Absence check using state equation in 437 ms returned sat
[2026-05-25 14:39:29] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:39:29] [INFO ] [Real]Added 497 Read/Feed constraints in 113 ms returned sat
[2026-05-25 14:39:29] [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 14:39:30] [INFO ] [Nat]Absence check using 23 positive place invariants in 16 ms returned sat
[2026-05-25 14:39:30] [INFO ] [Nat]Absence check using state equation in 424 ms returned sat
[2026-05-25 14:39:31] [INFO ] [Nat]Added 497 Read/Feed constraints in 558 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:31] [INFO ] Deduced a trap composed of 15 places in 420 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:32] [INFO ] Deduced a trap composed of 15 places in 449 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:32] [INFO ] Deduced a trap composed of 15 places in 411 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:33] [INFO ] Deduced a trap composed of 13 places in 395 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:34] [INFO ] Deduced a trap composed of 29 places in 396 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:34] [INFO ] Deduced a trap composed of 27 places in 404 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:35] [INFO ] Deduced a trap composed of 27 places in 403 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:35] [INFO ] Deduced a trap composed of 25 places in 413 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:36] [INFO ] Deduced a trap composed of 17 places in 391 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:37] [INFO ] Deduced a trap composed of 17 places in 376 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:37] [INFO ] Deduced a trap composed of 25 places in 377 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:38] [INFO ] Deduced a trap composed of 15 places in 385 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:38] [INFO ] Deduced a trap composed of 27 places in 408 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:39] [INFO ] Deduced a trap composed of 41 places in 416 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:40] [INFO ] Deduced a trap composed of 43 places in 403 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:40] [INFO ] Deduced a trap composed of 33 places in 391 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:41] [INFO ] Deduced a trap composed of 33 places in 405 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:42] [INFO ] Deduced a trap composed of 37 places in 418 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:43] [INFO ] Deduced a trap composed of 43 places in 388 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:43] [INFO ] Deduced a trap composed of 31 places in 393 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:45] [INFO ] Deduced a trap composed of 17 places in 385 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:46] [INFO ] Deduced a trap composed of 15 places in 374 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:46] [INFO ] Deduced a trap composed of 19 places in 389 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:47] [INFO ] Deduced a trap composed of 13 places in 371 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:47] [INFO ] Deduced a trap composed of 27 places in 403 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:48] [INFO ] Deduced a trap composed of 17 places in 804 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:49] [INFO ] Deduced a trap composed of 17 places in 407 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:50] [INFO ] Deduced a trap composed of 33 places in 426 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:50] [INFO ] Deduced a trap composed of 45 places in 428 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:51] [INFO ] Deduced a trap composed of 35 places in 358 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:52] [INFO ] Deduced a trap composed of 33 places in 389 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:52] [INFO ] Deduced a trap composed of 33 places in 405 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:53] [INFO ] Deduced a trap composed of 41 places in 410 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:54] [INFO ] Deduced a trap composed of 49 places in 428 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:54] [INFO ] Deduced a trap composed of 49 places in 382 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:55] [INFO ] Deduced a trap composed of 49 places in 386 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:55] [INFO ] Deduced a trap composed of 51 places in 395 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:56] [INFO ] Deduced a trap composed of 49 places in 381 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:57] [INFO ] Deduced a trap composed of 64 places in 390 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:57] [INFO ] Deduced a trap composed of 64 places in 392 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:58] [INFO ] Deduced a trap composed of 65 places in 457 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:58] [INFO ] Deduced a trap composed of 61 places in 421 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:39:59] [INFO ] Deduced a trap composed of 61 places in 429 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:00] [INFO ] Deduced a trap composed of 61 places in 401 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:00] [INFO ] Deduced a trap composed of 61 places in 416 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:01] [INFO ] Deduced a trap composed of 68 places in 424 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:01] [INFO ] Deduced a trap composed of 68 places in 397 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:02] [INFO ] Deduced a trap composed of 68 places in 405 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:03] [INFO ] Deduced a trap composed of 68 places in 414 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:03] [INFO ] Deduced a trap composed of 71 places in 402 ms of which 76 ms to minimize.
[2026-05-25 14:40:08] [INFO ] Trap strengthening (SAT) tested/added 50/50 trap constraints in 37181 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:40:08] [INFO ] [Real]Absence check using 23 positive place invariants in 20 ms returned sat
[2026-05-25 14:40:08] [INFO ] [Real]Absence check using state equation in 434 ms returned sat
[2026-05-25 14:40:09] [INFO ] [Real]Added 497 Read/Feed constraints in 116 ms returned sat
[2026-05-25 14:40:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:40:09] [INFO ] [Nat]Absence check using 23 positive place invariants in 20 ms returned sat
[2026-05-25 14:40:09] [INFO ] [Nat]Absence check using state equation in 428 ms returned sat
[2026-05-25 14:40:09] [INFO ] [Nat]Added 497 Read/Feed constraints in 235 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:10] [INFO ] Deduced a trap composed of 11 places in 464 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:10] [INFO ] Deduced a trap composed of 11 places in 484 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:11] [INFO ] Deduced a trap composed of 11 places in 425 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:11] [INFO ] Deduced a trap composed of 11 places in 450 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:12] [INFO ] Deduced a trap composed of 11 places in 447 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:12] [INFO ] Deduced a trap composed of 11 places in 462 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:40:13] [INFO ] Deduced a trap composed of 11 places in 422 ms of which 29 ms to minimize.
[2026-05-25 14:40:13] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 3663 ms
[2026-05-25 14:40:13] [INFO ] Computed and/alt/rep : 1752/5288/1752 causal constraints (skipped 112 transitions) in 87 ms.
[2026-05-25 14:40:14] [INFO ] Added : 31 causal constraints over 7 iterations in 1343 ms. Result :sat
Minimization took 659 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 7] Max Struct:[8, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 7] Max Struct:[8, 8]
Support contains 456 out of 1096 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1096/1096 places, 2208/2208 transitions.
Applied a total of 0 rules in 30 ms. Remains 1096 /1096 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 1096/1096 places, 2208/2208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1096/1096 places, 2208/2208 transitions.
Applied a total of 0 rules in 28 ms. Remains 1096 /1096 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
[2026-05-25 14:40:16] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:40:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:40:17] [INFO ] Implicit Places using invariants in 1122 ms returned []
[2026-05-25 14:40:17] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:40:18] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:40:30] [INFO ] Implicit Places using invariants and state equation in 13210 ms returned []
Implicit Place search using SMT with State Equation took 14335 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:40:31] [INFO ] Redundant transitions in 158 ms returned []
Running 2200 sub problems to find dead transitions.
[2026-05-25 14:40:31] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:40:31] [INFO ] Invariant cache hit.
[2026-05-25 14:40:31] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
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(s362 0.0)
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(s364 0.0)
(s365 0.0)
(s366 0.0)
(s367 0.0)
(s368 0.0)
(s369 0.0)
(s370 0.0)
(s371 0.0)
(s372 0.0)
(s373 0.0)
(s374 0.0)
(s375 0.0)
(s376 0.0)
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(s381 0.0)
(s382 0.0)
(s383 0.0)
(s384timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1096 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1096/2968 variables, and 23 constraints, problems are : Problem set: 0 solved, 2200 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/1096 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 2200/2200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1096 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:04] [INFO ] Deduced a trap composed of 13 places in 348 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:04] [INFO ] Deduced a trap composed of 15 places in 339 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:04] [INFO ] Deduced a trap composed of 17 places in 344 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:05] [INFO ] Deduced a trap composed of 19 places in 343 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:05] [INFO ] Deduced a trap composed of 21 places in 342 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:06] [INFO ] Deduced a trap composed of 23 places in 342 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:06] [INFO ] Deduced a trap composed of 25 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:06] [INFO ] Deduced a trap composed of 15 places in 354 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:07] [INFO ] Deduced a trap composed of 33 places in 361 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:07] [INFO ] Deduced a trap composed of 49 places in 481 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:07] [INFO ] Deduced a trap composed of 51 places in 439 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:08] [INFO ] Deduced a trap composed of 53 places in 427 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:08] [INFO ] Deduced a trap composed of 57 places in 408 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:09] [INFO ] Deduced a trap composed of 57 places in 425 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:09] [INFO ] Deduced a trap composed of 59 places in 362 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:10] [INFO ] Deduced a trap composed of 13 places in 446 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:10] [INFO ] Deduced a trap composed of 17 places in 408 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:11] [INFO ] Deduced a trap composed of 29 places in 439 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:11] [INFO ] Deduced a trap composed of 35 places in 439 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:11] [INFO ] Deduced a trap composed of 37 places in 444 ms of which 58 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1096 variables, 20/43 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:14] [INFO ] Deduced a trap composed of 49 places in 447 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:14] [INFO ] Deduced a trap composed of 49 places in 462 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:14] [INFO ] Deduced a trap composed of 51 places in 470 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:15] [INFO ] Deduced a trap composed of 71 places in 441 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:15] [INFO ] Deduced a trap composed of 73 places in 440 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:16] [INFO ] Deduced a trap composed of 75 places in 395 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:16] [INFO ] Deduced a trap composed of 77 places in 393 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:17] [INFO ] Deduced a trap composed of 85 places in 355 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:17] [INFO ] Deduced a trap composed of 39 places in 420 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:17] [INFO ] Deduced a trap composed of 41 places in 386 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:18] [INFO ] Deduced a trap composed of 13 places in 411 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:18] [INFO ] Deduced a trap composed of 15 places in 392 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:19] [INFO ] Deduced a trap composed of 33 places in 454 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:19] [INFO ] Deduced a trap composed of 13 places in 435 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:20] [INFO ] Deduced a trap composed of 39 places in 455 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:20] [INFO ] Deduced a trap composed of 49 places in 420 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:21] [INFO ] Deduced a trap composed of 69 places in 326 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:21] [INFO ] Deduced a trap composed of 83 places in 331 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:21] [INFO ] Deduced a trap composed of 13 places in 386 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:22] [INFO ] Deduced a trap composed of 13 places in 382 ms of which 29 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1096 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:24] [INFO ] Deduced a trap composed of 33 places in 361 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:24] [INFO ] Deduced a trap composed of 33 places in 365 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:25] [INFO ] Deduced a trap composed of 33 places in 351 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:25] [INFO ] Deduced a trap composed of 33 places in 358 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:25] [INFO ] Deduced a trap composed of 33 places in 337 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:26] [INFO ] Deduced a trap composed of 35 places in 375 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:26] [INFO ] Deduced a trap composed of 33 places in 360 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:27] [INFO ] Deduced a trap composed of 35 places in 385 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:27] [INFO ] Deduced a trap composed of 49 places in 355 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:27] [INFO ] Deduced a trap composed of 49 places in 348 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:28] [INFO ] Deduced a trap composed of 49 places in 351 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:28] [INFO ] Deduced a trap composed of 69 places in 322 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:28] [INFO ] Deduced a trap composed of 87 places in 295 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:29] [INFO ] Deduced a trap composed of 93 places in 302 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:29] [INFO ] Deduced a trap composed of 97 places in 390 ms of which 92 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:29] [INFO ] Deduced a trap composed of 111 places in 292 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:30] [INFO ] Deduced a trap composed of 19 places in 403 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:30] [INFO ] Deduced a trap composed of 21 places in 391 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:31] [INFO ] Deduced a trap composed of 23 places in 397 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:31] [INFO ] Deduced a trap composed of 25 places in 449 ms of which 40 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/1096 variables, 20/83 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1096/2968 variables, and 83 constraints, problems are : Problem set: 0 solved, 2200 unsolved in 30060 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/1096 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 0/2200 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60851ms problems are : Problem set: 0 solved, 2200 unsolved
Search for dead transitions found 0 dead transitions in 60872ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75424 ms. Remains : 1096/1096 places, 2208/2208 transitions.
[2026-05-25 14:41:32] [INFO ] Flatten gal took : 227 ms
RANDOM walk for 40000 steps (8 resets) in 1649 ms. (24 steps per ms) remains 4/4 properties
[2026-05-25 14:41:32] [INFO ] Flatten gal took : 155 ms
BEST_FIRST walk for 40004 steps (8 resets) in 271 ms. (147 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 257 ms. (155 steps per ms) remains 4/4 properties
[2026-05-25 14:41:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16436261182030249987.gal : 75 ms
[2026-05-25 14:41:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11172175402842178668.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/ReachabilityCardinality16436261182030249987.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11172175402842178668.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
BEST_FIRST walk for 40004 steps (8 resets) in 758 ms. (52 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality11172175402842178668.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 689 ms. (57 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :4 after 11
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :11 after 12
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :12 after 24
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :24 after 30
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :30 after 48
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :48 after 132
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :132 after 367
Interrupted probabilistic random walk after 199341 steps, run timeout after 3001 ms. (steps per millisecond=66 ) properties seen :0 out of 4
Probabilistic random walk after 199341 steps, saw 65084 distinct states, run finished after 3004 ms. (steps per millisecond=66 ) properties seen :0
[2026-05-25 14:41:36] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:41:36] [INFO ] Invariant cache hit.
[2026-05-25 14:41:36] [INFO ] State equation strengthened by 497 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 576/1032 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :367 after 766
[2026-05-25 14:41:36] [INFO ] Deduced a trap composed of 62 places in 470 ms of which 92 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:37] [INFO ] Deduced a trap composed of 90 places in 378 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:37] [INFO ] Deduced a trap composed of 118 places in 338 ms of which 94 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1032 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1032 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 8/1040 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:38] [INFO ] Deduced a trap composed of 202 places in 212 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:38] [INFO ] Deduced a trap composed of 230 places in 124 ms of which 14 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/1040 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1040 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :766 after 3375
At refinement iteration 7 (OVERLAPS) 1872/2912 variables, 1040/1061 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2912 variables, 497/1558 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2912 variables, 0/1558 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 56/2968 variables, 56/1614 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2968 variables, 7/1621 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2968 variables, 0/1621 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2968/2968 variables, and 1621 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5019 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1096/1096 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 576/1032 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1032 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1032 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 8/1040 variables, 8/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1040 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 1872/2912 variables, 1040/1061 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2912 variables, 497/1558 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2912 variables, 2/1560 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:43] [INFO ] Deduced a trap composed of 160 places in 192 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:44] [INFO ] Deduced a trap composed of 104 places in 323 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:44] [INFO ] Deduced a trap composed of 132 places in 244 ms of which 66 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :3375 after 11187
At refinement iteration 9 (INCLUDED_ONLY) 0/2912 variables, 3/1563 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:45] [INFO ] Deduced a trap composed of 118 places in 325 ms of which 90 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:46] [INFO ] Deduced a trap composed of 146 places in 264 ms of which 70 ms to minimize.
SMT process timed out in 10046ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 456 out of 1096 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1096/1096 places, 2208/2208 transitions.
Applied a total of 0 rules in 55 ms. Remains 1096 /1096 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 1096/1096 places, 2208/2208 transitions.
RANDOM walk for 40000 steps (8 resets) in 1368 ms. (29 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 294 ms. (135 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 572 ms. (69 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 400 ms. (99 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 202851 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :0 out of 4
Probabilistic random walk after 202851 steps, saw 65490 distinct states, run finished after 3001 ms. (steps per millisecond=67 ) properties seen :0
[2026-05-25 14:41:50] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:41:50] [INFO ] Invariant cache hit.
[2026-05-25 14:41:50] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 576/1032 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:50] [INFO ] Deduced a trap composed of 62 places in 465 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:51] [INFO ] Deduced a trap composed of 90 places in 368 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:51] [INFO ] Deduced a trap composed of 118 places in 323 ms of which 93 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1032 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1032 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 8/1040 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:52] [INFO ] Deduced a trap composed of 202 places in 213 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:41:52] [INFO ] Deduced a trap composed of 230 places in 117 ms of which 13 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/1040 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1040 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
At refinement iteration 7 (OVERLAPS) 1872/2912 variables, 1040/1061 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD size :11187 after 17836
At refinement iteration 8 (INCLUDED_ONLY) 0/2912 variables, 497/1558 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2912 variables, 0/1558 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 56/2968 variables, 56/1614 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2968 variables, 7/1621 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/2968 variables, 0/1621 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/2968 variables, 0/1621 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2968/2968 variables, and 1621 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5593 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1096/1096 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 576/1032 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1032 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1032 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 8/1040 variables, 8/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1040 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 1872/2912 variables, 1040/1061 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2912 variables, 497/1558 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2912 variables, 2/1560 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:01] [INFO ] Deduced a trap composed of 118 places in 381 ms of which 103 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:01] [INFO ] Deduced a trap composed of 146 places in 350 ms of which 111 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:01] [INFO ] Deduced a trap composed of 174 places in 283 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:02] [INFO ] Deduced a trap composed of 216 places in 124 ms of which 11 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/2912 variables, 4/1564 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:03] [INFO ] Deduced a trap composed of 118 places in 247 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:04] [INFO ] Deduced a trap composed of 132 places in 340 ms of which 98 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:05] [INFO ] Deduced a trap composed of 146 places in 266 ms of which 69 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/2912 variables, 3/1567 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:06] [INFO ] Deduced a trap composed of 160 places in 276 ms of which 78 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :17836 after 100663
At refinement iteration 11 (INCLUDED_ONLY) 0/2912 variables, 1/1568 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:07] [INFO ] Deduced a trap composed of 188 places in 198 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:08] [INFO ] Deduced a trap composed of 104 places in 377 ms of which 87 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/2912 variables, 2/1570 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:09] [INFO ] Deduced a trap composed of 174 places in 202 ms of which 41 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/2912 variables, 1/1571 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2912 variables, 0/1571 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 56/2968 variables, 56/1627 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2968 variables, 7/1634 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:13] [INFO ] Deduced a trap composed of 11 places in 394 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:13] [INFO ] Deduced a trap composed of 15 places in 410 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:14] [INFO ] Deduced a trap composed of 11 places in 390 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:14] [INFO ] Deduced a trap composed of 11 places in 413 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:15] [INFO ] Deduced a trap composed of 11 places in 390 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:15] [INFO ] Deduced a trap composed of 11 places in 388 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:16] [INFO ] Deduced a trap composed of 11 places in 401 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:16] [INFO ] Deduced a trap composed of 11 places in 387 ms of which 28 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:17] [INFO ] Deduced a trap composed of 15 places in 410 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:18] [INFO ] Deduced a trap composed of 15 places in 409 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:18] [INFO ] Deduced a trap composed of 15 places in 408 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:19] [INFO ] Deduced a trap composed of 15 places in 410 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:19] [INFO ] Deduced a trap composed of 15 places in 417 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:20] [INFO ] Deduced a trap composed of 29 places in 416 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:20] [INFO ] Deduced a trap composed of 27 places in 418 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:21] [INFO ] Deduced a trap composed of 27 places in 424 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:21] [INFO ] Deduced a trap composed of 27 places in 416 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:22] [INFO ] Deduced a trap composed of 27 places in 425 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-25 14:42:22] [INFO ] Flatten gal took : 97 ms
[2026-05-25 14:42:22] [INFO ] Applying decomposition
[2026-05-25 14:42:23] [INFO ] Flatten gal took : 69 ms
[2026-05-25 14:42:23] [INFO ] Deduced a trap composed of 27 places in 502 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:23] [INFO ] Deduced a trap composed of 27 places in 428 ms of which 52 ms to minimize.
Problem MAX0 is UNSAT
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/graph10752279745040779218.txt' '-o' '/tmp/graph10752279745040779218.bin' '-w' '/tmp/graph10752279745040779218.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10752279745040779218.bin' '-l' '-1' '-v' '-w' '/tmp/graph10752279745040779218.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:42:23] [INFO ] Decomposing Gal with order
[2026-05-25 14:42:23] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 17 (INCLUDED_ONLY) 0/2968 variables, 20/1654 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:24] [INFO ] Removed a total of 2494 redundant transitions.
[2026-05-25 14:42:24] [INFO ] Flatten gal took : 909 ms
[2026-05-25 14:42:25] [INFO ] Deduced a trap composed of 21 places in 455 ms of which 42 ms to minimize.
[2026-05-25 14:42:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 137 labels/synchronizations in 62 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14760717927260797030.gal : 34 ms
[2026-05-25 14:42:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4184454524295658506.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/ReachabilityCardinality14760717927260797030.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4184454524295658506.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/ReachabilityCardinality4184454524295658506.prop.
[2026-05-25 14:42:25] [INFO ] Deduced a trap composed of 23 places in 440 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:26] [INFO ] Deduced a trap composed of 21 places in 429 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:26] [INFO ] Deduced a trap composed of 23 places in 419 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,3 properties remain. new max is 16
[2026-05-25 14:42:27] [INFO ] Deduced a trap composed of 25 places in 404 ms of which 45 ms to minimize.
SDD size :4 after 12
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :12 after 15
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :15 after 28
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :28 after 34
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :34 after 51
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :51 after 55
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :55 after 175
[2026-05-25 14:42:27] [INFO ] Deduced a trap composed of 27 places in 410 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :175 after 743
[2026-05-25 14:42:28] [INFO ] Deduced a trap composed of 29 places in 360 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:28] [INFO ] Deduced a trap composed of 27 places in 424 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :743 after 1124
[2026-05-25 14:42:29] [INFO ] Deduced a trap composed of 31 places in 404 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:30] [INFO ] Deduced a trap composed of 35 places in 378 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:30] [INFO ] Deduced a trap composed of 43 places in 369 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:31] [INFO ] Deduced a trap composed of 23 places in 387 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:31] [INFO ] Deduced a trap composed of 27 places in 364 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:32] [INFO ] Deduced a trap composed of 29 places in 355 ms of which 43 ms to minimize.
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1124 after 7427
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:32] [INFO ] Deduced a trap composed of 29 places in 408 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:33] [INFO ] Deduced a trap composed of 31 places in 412 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:33] [INFO ] Deduced a trap composed of 29 places in 395 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:34] [INFO ] Deduced a trap composed of 37 places in 405 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:35] [INFO ] Deduced a trap composed of 33 places in 390 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:35] [INFO ] Deduced a trap composed of 33 places in 377 ms of which 51 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/2968 variables, 20/1674 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:37] [INFO ] Deduced a trap composed of 21 places in 413 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:37] [INFO ] Deduced a trap composed of 29 places in 420 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:38] [INFO ] Deduced a trap composed of 37 places in 373 ms of which 55 ms to minimize.
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :7427 after 19547
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:38] [INFO ] Deduced a trap composed of 39 places in 365 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:39] [INFO ] Deduced a trap composed of 37 places in 374 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:39] [INFO ] Deduced a trap composed of 37 places in 371 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:40] [INFO ] Deduced a trap composed of 23 places in 390 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:40] [INFO ] Deduced a trap composed of 47 places in 375 ms of which 62 ms to minimize.
SMT process timed out in 50735ms, After SMT, problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 330 ms.
Support contains 456 out of 1096 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1096/1096 places, 2208/2208 transitions.
Applied a total of 0 rules in 30 ms. Remains 1096 /1096 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 1096/1096 places, 2208/2208 transitions.
RANDOM walk for 40000 steps (8 resets) in 1203 ms. (33 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 677 ms. (59 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 355 ms. (112 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 249363 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :0 out of 3
Probabilistic random walk after 249363 steps, saw 70609 distinct states, run finished after 3001 ms. (steps per millisecond=83 ) properties seen :0
[2026-05-25 14:42:44] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:42:44] [INFO ] Invariant cache hit.
[2026-05-25 14:42:44] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 576/1032 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1032 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 8/1040 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1040 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1872/2912 variables, 1040/1056 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2912 variables, 497/1553 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2912 variables, 0/1553 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 56/2968 variables, 56/1609 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2968 variables, 7/1616 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2968 variables, 0/1616 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/2968 variables, 0/1616 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2968/2968 variables, and 1616 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1626 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1096/1096 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/456 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 576/1032 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:47] [INFO ] Deduced a trap composed of 62 places in 337 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:47] [INFO ] Deduced a trap composed of 90 places in 320 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:47] [INFO ] Deduced a trap composed of 104 places in 265 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:47] [INFO ] Deduced a trap composed of 118 places in 198 ms of which 57 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1032 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:48] [INFO ] Deduced a trap composed of 216 places in 140 ms of which 22 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/1032 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1032 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 8/1040 variables, 8/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1040 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1872/2912 variables, 1040/1061 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2912 variables, 497/1558 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2912 variables, 1/1559 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:50] [INFO ] Deduced a trap composed of 160 places in 279 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:50] [INFO ] Deduced a trap composed of 146 places in 274 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:51] [INFO ] Deduced a trap composed of 174 places in 194 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:51] [INFO ] Deduced a trap composed of 188 places in 113 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:51] [INFO ] Deduced a trap composed of 174 places in 113 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:52] [INFO ] Deduced a trap composed of 118 places in 400 ms of which 103 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:52] [INFO ] Deduced a trap composed of 132 places in 335 ms of which 96 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:53] [INFO ] Deduced a trap composed of 202 places in 198 ms of which 46 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/2912 variables, 8/1567 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:54] [INFO ] Deduced a trap composed of 146 places in 263 ms of which 73 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/2912 variables, 1/1568 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:55] [INFO ] Deduced a trap composed of 230 places in 122 ms of which 14 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/2912 variables, 1/1569 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2912 variables, 0/1569 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 56/2968 variables, 56/1625 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2968 variables, 7/1632 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:57] [INFO ] Deduced a trap composed of 11 places in 426 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :19547 after 111800
[2026-05-25 14:42:57] [INFO ] Deduced a trap composed of 11 places in 422 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:58] [INFO ] Deduced a trap composed of 11 places in 414 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:59] [INFO ] Deduced a trap composed of 11 places in 425 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:42:59] [INFO ] Deduced a trap composed of 15 places in 449 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:00] [INFO ] Deduced a trap composed of 11 places in 417 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:00] [INFO ] Deduced a trap composed of 11 places in 419 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:01] [INFO ] Deduced a trap composed of 23 places in 414 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:01] [INFO ] Deduced a trap composed of 23 places in 421 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:02] [INFO ] Deduced a trap composed of 27 places in 421 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:02] [INFO ] Deduced a trap composed of 23 places in 417 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:03] [INFO ] Deduced a trap composed of 23 places in 419 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:03] [INFO ] Deduced a trap composed of 23 places in 427 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:04] [INFO ] Deduced a trap composed of 23 places in 419 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:05] [INFO ] Deduced a trap composed of 33 places in 450 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:05] [INFO ] Deduced a trap composed of 33 places in 401 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:06] [INFO ] Deduced a trap composed of 37 places in 394 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:06] [INFO ] Deduced a trap composed of 33 places in 401 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:07] [INFO ] Deduced a trap composed of 33 places in 394 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:07] [INFO ] Deduced a trap composed of 33 places in 394 ms of which 52 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/2968 variables, 20/1652 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:08] [INFO ] Deduced a trap composed of 11 places in 411 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:09] [INFO ] Deduced a trap composed of 33 places in 425 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:09] [INFO ] Deduced a trap composed of 43 places in 384 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:10] [INFO ] Deduced a trap composed of 43 places in 388 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:10] [INFO ] Deduced a trap composed of 43 places in 392 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:11] [INFO ] Deduced a trap composed of 43 places in 391 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:11] [INFO ] Deduced a trap composed of 47 places in 394 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:12] [INFO ] Deduced a trap composed of 43 places in 388 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:12] [INFO ] Deduced a trap composed of 43 places in 378 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:13] [INFO ] Deduced a trap composed of 53 places in 350 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:13] [INFO ] Deduced a trap composed of 53 places in 341 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:14] [INFO ] Deduced a trap composed of 53 places in 337 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:14] [INFO ] Deduced a trap composed of 57 places in 342 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:15] [INFO ] Deduced a trap composed of 53 places in 349 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-25 14:43:15] [INFO ] Deduced a trap composed of 53 places in 345 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:15] [INFO ] Deduced a trap composed of 53 places in 358 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:16] [INFO ] Deduced a trap composed of 63 places in 302 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:16] [INFO ] Deduced a trap composed of 63 places in 305 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:17] [INFO ] Deduced a trap composed of 67 places in 279 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:17] [INFO ] Deduced a trap composed of 63 places in 308 ms of which 56 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/2968 variables, 20/1672 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:18] [INFO ] Deduced a trap composed of 33 places in 429 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:19] [INFO ] Deduced a trap composed of 33 places in 432 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:19] [INFO ] Deduced a trap composed of 33 places in 436 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:20] [INFO ] Deduced a trap composed of 33 places in 421 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:20] [INFO ] Deduced a trap composed of 33 places in 432 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:21] [INFO ] Deduced a trap composed of 33 places in 449 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:21] [INFO ] Deduced a trap composed of 35 places in 431 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:22] [INFO ] Deduced a trap composed of 49 places in 465 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:23] [INFO ] Deduced a trap composed of 49 places in 438 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:23] [INFO ] Deduced a trap composed of 49 places in 429 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:24] [INFO ] Deduced a trap composed of 49 places in 454 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:24] [INFO ] Deduced a trap composed of 51 places in 469 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:25] [INFO ] Deduced a trap composed of 49 places in 465 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:25] [INFO ] Deduced a trap composed of 49 places in 465 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:26] [INFO ] Deduced a trap composed of 65 places in 432 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:26] [INFO ] Deduced a trap composed of 65 places in 419 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:27] [INFO ] Deduced a trap composed of 65 places in 413 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:27] [INFO ] Deduced a trap composed of 65 places in 405 ms of which 88 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:28] [INFO ] Deduced a trap composed of 65 places in 430 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:28] [INFO ] Deduced a trap composed of 67 places in 430 ms of which 90 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/2968 variables, 20/1692 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:30] [INFO ] Deduced a trap composed of 65 places in 401 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:30] [INFO ] Deduced a trap composed of 81 places in 365 ms of which 86 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:31] [INFO ] Deduced a trap composed of 81 places in 362 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:31] [INFO ] Deduced a trap composed of 81 places in 365 ms of which 86 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:32] [INFO ] Deduced a trap composed of 81 places in 365 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:32] [INFO ] Deduced a trap composed of 81 places in 366 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:33] [INFO ] Deduced a trap composed of 81 places in 353 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:33] [INFO ] Deduced a trap composed of 83 places in 359 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:34] [INFO ] Deduced a trap composed of 105 places in 314 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:34] [INFO ] Deduced a trap composed of 105 places in 310 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:34] [INFO ] Deduced a trap composed of 105 places in 327 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:35] [INFO ] Deduced a trap composed of 105 places in 324 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:35] [INFO ] Deduced a trap composed of 129 places in 262 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:36] [INFO ] Deduced a trap composed of 133 places in 259 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:36] [INFO ] Deduced a trap composed of 133 places in 255 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:36] [INFO ] Deduced a trap composed of 133 places in 255 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:37] [INFO ] Deduced a trap composed of 133 places in 242 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:37] [INFO ] Deduced a trap composed of 129 places in 226 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:37] [INFO ] Deduced a trap composed of 51 places in 278 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:38] [INFO ] Deduced a trap composed of 69 places in 247 ms of which 56 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/2968 variables, 20/1712 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:41] [INFO ] Deduced a trap composed of 91 places in 241 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:41] [INFO ] Deduced a trap composed of 87 places in 240 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:42] [INFO ] Deduced a trap composed of 87 places in 237 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:42] [INFO ] Deduced a trap composed of 87 places in 244 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:42] [INFO ] Deduced a trap composed of 87 places in 220 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:43] [INFO ] Deduced a trap composed of 87 places in 229 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:43] [INFO ] Deduced a trap composed of 69 places in 230 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:43] [INFO ] Deduced a trap composed of 69 places in 244 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:44] [INFO ] Deduced a trap composed of 69 places in 242 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:44] [INFO ] Deduced a trap composed of 69 places in 242 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:44] [INFO ] Deduced a trap composed of 69 places in 234 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:45] [INFO ] Deduced a trap composed of 87 places in 230 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:45] [INFO ] Deduced a trap composed of 93 places in 235 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:45] [INFO ] Deduced a trap composed of 73 places in 213 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:51] [INFO ] Deduced a trap composed of 111 places in 250 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:51] [INFO ] Deduced a trap composed of 105 places in 259 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:52] [INFO ] Deduced a trap composed of 105 places in 244 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:53] [INFO ] Deduced a trap composed of 129 places in 264 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:53] [INFO ] Deduced a trap composed of 131 places in 246 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:53] [INFO ] Deduced a trap composed of 129 places in 252 ms of which 47 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/2968 variables, 20/1732 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:55] [INFO ] Deduced a trap composed of 129 places in 247 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:56] [INFO ] Deduced a trap composed of 113 places in 326 ms of which 88 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:56] [INFO ] Deduced a trap composed of 131 places in 212 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:43:57] [INFO ] Deduced a trap composed of 131 places in 251 ms of which 47 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2968/2968 variables, and 1736 constraints, problems are : Problem set: 0 solved, 3 unsolved in 75017 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1096/1096 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 119/119 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 76661ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 456 out of 1096 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1096/1096 places, 2208/2208 transitions.
Applied a total of 0 rules in 34 ms. Remains 1096 /1096 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 1096/1096 places, 2208/2208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1096/1096 places, 2208/2208 transitions.
Applied a total of 0 rules in 27 ms. Remains 1096 /1096 variables (removed 0) and now considering 2208/2208 (removed 0) transitions.
[2026-05-25 14:44:01] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:44:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:44:02] [INFO ] Implicit Places using invariants in 1092 ms returned []
[2026-05-25 14:44:02] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:44:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:44:03] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:44:16] [INFO ] Implicit Places using invariants and state equation in 13472 ms returned []
Implicit Place search using SMT with State Equation took 14568 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:44:16] [INFO ] Redundant transitions in 111 ms returned []
Running 2200 sub problems to find dead transitions.
[2026-05-25 14:44:16] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:44:16] [INFO ] Invariant cache hit.
[2026-05-25 14:44:16] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1096 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1096/2968 variables, and 23 constraints, problems are : Problem set: 0 solved, 2200 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/1096 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 2200/2200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1096 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:49] [INFO ] Deduced a trap composed of 13 places in 351 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:49] [INFO ] Deduced a trap composed of 15 places in 326 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:49] [INFO ] Deduced a trap composed of 17 places in 343 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:50] [INFO ] Deduced a trap composed of 19 places in 339 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:50] [INFO ] Deduced a trap composed of 21 places in 356 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:51] [INFO ] Deduced a trap composed of 23 places in 347 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:51] [INFO ] Deduced a trap composed of 25 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:51] [INFO ] Deduced a trap composed of 15 places in 326 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:51] [INFO ] Deduced a trap composed of 33 places in 333 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:52] [INFO ] Deduced a trap composed of 49 places in 464 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:52] [INFO ] Deduced a trap composed of 51 places in 410 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:53] [INFO ] Deduced a trap composed of 53 places in 424 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:53] [INFO ] Deduced a trap composed of 57 places in 414 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:54] [INFO ] Deduced a trap composed of 57 places in 391 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:54] [INFO ] Deduced a trap composed of 59 places in 355 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:55] [INFO ] Deduced a trap composed of 13 places in 415 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:55] [INFO ] Deduced a trap composed of 17 places in 397 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:55] [INFO ] Deduced a trap composed of 29 places in 434 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:56] [INFO ] Deduced a trap composed of 35 places in 431 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:56] [INFO ] Deduced a trap composed of 37 places in 437 ms of which 58 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1096 variables, 20/43 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:58] [INFO ] Deduced a trap composed of 49 places in 463 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:59] [INFO ] Deduced a trap composed of 49 places in 452 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:44:59] [INFO ] Deduced a trap composed of 51 places in 469 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:00] [INFO ] Deduced a trap composed of 71 places in 442 ms of which 91 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:00] [INFO ] Deduced a trap composed of 73 places in 427 ms of which 95 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:01] [INFO ] Deduced a trap composed of 75 places in 377 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:01] [INFO ] Deduced a trap composed of 77 places in 376 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:01] [INFO ] Deduced a trap composed of 85 places in 352 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:02] [INFO ] Deduced a trap composed of 39 places in 427 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:02] [INFO ] Deduced a trap composed of 41 places in 394 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:03] [INFO ] Deduced a trap composed of 13 places in 437 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:03] [INFO ] Deduced a trap composed of 15 places in 415 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:04] [INFO ] Deduced a trap composed of 33 places in 454 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:04] [INFO ] Deduced a trap composed of 13 places in 418 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:05] [INFO ] Deduced a trap composed of 39 places in 452 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:05] [INFO ] Deduced a trap composed of 49 places in 428 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:05] [INFO ] Deduced a trap composed of 69 places in 350 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:06] [INFO ] Deduced a trap composed of 83 places in 360 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:06] [INFO ] Deduced a trap composed of 13 places in 422 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:07] [INFO ] Deduced a trap composed of 13 places in 402 ms of which 30 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1096 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:09] [INFO ] Deduced a trap composed of 33 places in 358 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:09] [INFO ] Deduced a trap composed of 33 places in 388 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:10] [INFO ] Deduced a trap composed of 33 places in 359 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:10] [INFO ] Deduced a trap composed of 33 places in 353 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:10] [INFO ] Deduced a trap composed of 33 places in 354 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:11] [INFO ] Deduced a trap composed of 35 places in 359 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:11] [INFO ] Deduced a trap composed of 33 places in 359 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:11] [INFO ] Deduced a trap composed of 35 places in 375 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:12] [INFO ] Deduced a trap composed of 49 places in 348 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:12] [INFO ] Deduced a trap composed of 49 places in 345 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:13] [INFO ] Deduced a trap composed of 49 places in 324 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:13] [INFO ] Deduced a trap composed of 69 places in 359 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:13] [INFO ] Deduced a trap composed of 87 places in 302 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:14] [INFO ] Deduced a trap composed of 93 places in 316 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:14] [INFO ] Deduced a trap composed of 97 places in 399 ms of which 95 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:14] [INFO ] Deduced a trap composed of 111 places in 292 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:15] [INFO ] Deduced a trap composed of 19 places in 410 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:15] [INFO ] Deduced a trap composed of 21 places in 386 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:16] [INFO ] Deduced a trap composed of 23 places in 390 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:16] [INFO ] Deduced a trap composed of 25 places in 400 ms of which 40 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/1096 variables, 20/83 constraints. Problems are: Problem set: 0 solved, 2200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1096/2968 variables, and 83 constraints, problems are : Problem set: 0 solved, 2200 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/1096 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 0/2200 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60740ms problems are : Problem set: 0 solved, 2200 unsolved
Search for dead transitions found 0 dead transitions in 60747ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75473 ms. Remains : 1096/1096 places, 2208/2208 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1, 7] Max Struct:[8, 8]
Starting property specific reduction for Peterson-COL-7-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2026-05-25 14:45:17] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:45:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10000 steps (2 resets) in 25 ms. (384 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2026-05-25 14:45:17] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:45:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:45:17] [INFO ] [Real]Absence check using 23 positive place invariants in 16 ms returned sat
[2026-05-25 14:45:17] [INFO ] [Real]Absence check using state equation in 436 ms returned sat
[2026-05-25 14:45:17] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:45:17] [INFO ] [Real]Added 497 Read/Feed constraints in 116 ms returned sat
[2026-05-25 14:45:17] [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 14:45:18] [INFO ] [Nat]Absence check using 23 positive place invariants in 17 ms returned sat
[2026-05-25 14:45:18] [INFO ] [Nat]Absence check using state equation in 446 ms returned sat
[2026-05-25 14:45:19] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 14:45:19] [INFO ] [Nat]Added 497 Read/Feed constraints in 627 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:19] [INFO ] Deduced a trap composed of 15 places in 380 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:20] [INFO ] Deduced a trap composed of 15 places in 387 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:20] [INFO ] Deduced a trap composed of 15 places in 409 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:21] [INFO ] Deduced a trap composed of 15 places in 404 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:21] [INFO ] Deduced a trap composed of 29 places in 405 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:22] [INFO ] Deduced a trap composed of 27 places in 394 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:23] [INFO ] Deduced a trap composed of 27 places in 394 ms of which 43 ms to minimize.
[2026-05-25 14:45:23] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[8]
Support contains 8 out of 1096 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1096/1096 places, 2208/2208 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 105 transitions
Trivial Post-agglo rules discarded 105 transitions
Performed 105 trivial Post agglomeration. Transition count delta: 105
Iterating post reduction 0 with 105 rules applied. Total rules applied 105 place count 1096 transition count 2103
Reduce places removed 105 places and 0 transitions.
Iterating post reduction 1 with 105 rules applied. Total rules applied 210 place count 991 transition count 2103
Performed 343 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 343 Pre rules applied. Total rules applied 210 place count 991 transition count 1760
Deduced a syphon composed of 343 places in 1 ms
Reduce places removed 343 places and 0 transitions.
Iterating global reduction 2 with 686 rules applied. Total rules applied 896 place count 648 transition count 1760
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 1 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 2 with 112 rules applied. Total rules applied 1008 place count 592 transition count 1704
Applied a total of 1008 rules in 160 ms. Remains 592 /1096 variables (removed 504) and now considering 1704/2208 (removed 504) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 592/1096 places, 1704/2208 transitions.
[2026-05-25 14:45:23] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
// Phase 1: matrix 1368 rows 592 cols
[2026-05-25 14:45:23] [INFO ] Computed 23 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 2240 ms. (446 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 620 ms. (1610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2026-05-25 14:45:26] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:45:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:45:26] [INFO ] [Real]Absence check using 23 positive place invariants in 9 ms returned sat
[2026-05-25 14:45:26] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2026-05-25 14:45:26] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:45:26] [INFO ] [Real]Added 497 Read/Feed constraints in 59 ms returned sat
[2026-05-25 14:45:26] [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 14:45:26] [INFO ] [Nat]Absence check using 23 positive place invariants in 9 ms returned sat
[2026-05-25 14:45:27] [INFO ] [Nat]Absence check using state equation in 265 ms returned sat
[2026-05-25 14:45:27] [INFO ] [Nat]Added 497 Read/Feed constraints in 197 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:27] [INFO ] Deduced a trap composed of 13 places in 231 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:27] [INFO ] Deduced a trap composed of 11 places in 232 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:28] [INFO ] Deduced a trap composed of 13 places in 230 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:28] [INFO ] Deduced a trap composed of 13 places in 210 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:28] [INFO ] Deduced a trap composed of 14 places in 213 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:29] [INFO ] Deduced a trap composed of 19 places in 210 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:29] [INFO ] Deduced a trap composed of 19 places in 213 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:29] [INFO ] Deduced a trap composed of 11 places in 234 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:29] [INFO ] Deduced a trap composed of 15 places in 213 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:30] [INFO ] Deduced a trap composed of 20 places in 211 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:30] [INFO ] Deduced a trap composed of 23 places in 224 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:30] [INFO ] Deduced a trap composed of 20 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 14:45:31] [INFO ] Deduced a trap composed of 20 places in 225 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:31] [INFO ] Deduced a trap composed of 22 places in 222 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:31] [INFO ] Deduced a trap composed of 21 places in 223 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:32] [INFO ] Deduced a trap composed of 13 places in 210 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:32] [INFO ] Deduced a trap composed of 12 places in 210 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:33] [INFO ] Deduced a trap composed of 15 places in 210 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:33] [INFO ] Deduced a trap composed of 24 places in 218 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:33] [INFO ] Deduced a trap composed of 21 places in 219 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:34] [INFO ] Deduced a trap composed of 30 places in 213 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:34] [INFO ] Deduced a trap composed of 38 places in 218 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:34] [INFO ] Deduced a trap composed of 39 places in 222 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:34] [INFO ] Deduced a trap composed of 29 places in 216 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:35] [INFO ] Deduced a trap composed of 17 places in 229 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:35] [INFO ] Deduced a trap composed of 11 places in 223 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:36] [INFO ] Deduced a trap composed of 27 places in 221 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:36] [INFO ] Deduced a trap composed of 20 places in 215 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:36] [INFO ] Deduced a trap composed of 29 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 14:45:37] [INFO ] Deduced a trap composed of 37 places in 204 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:37] [INFO ] Deduced a trap composed of 29 places in 215 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:38] [INFO ] Deduced a trap composed of 29 places in 229 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:38] [INFO ] Deduced a trap composed of 31 places in 229 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:40] [INFO ] Deduced a trap composed of 31 places in 232 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:40] [INFO ] Deduced a trap composed of 32 places in 230 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:40] [INFO ] Deduced a trap composed of 42 places in 234 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:41] [INFO ] Deduced a trap composed of 40 places in 238 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:41] [INFO ] Deduced a trap composed of 40 places in 239 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:41] [INFO ] Deduced a trap composed of 41 places in 218 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:42] [INFO ] Deduced a trap composed of 30 places in 216 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:45] [INFO ] Deduced a trap composed of 11 places in 213 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:45] [INFO ] Deduced a trap composed of 11 places in 238 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:45] [INFO ] Deduced a trap composed of 22 places in 242 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:46] [INFO ] Deduced a trap composed of 30 places in 231 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:46] [INFO ] Deduced a trap composed of 40 places in 234 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:46] [INFO ] Deduced a trap composed of 41 places in 235 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:47] [INFO ] Deduced a trap composed of 30 places in 227 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:47] [INFO ] Deduced a trap composed of 31 places in 229 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:47] [INFO ] Deduced a trap composed of 31 places in 236 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:48] [INFO ] Deduced a trap composed of 49 places in 221 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:48] [INFO ] Deduced a trap composed of 53 places in 214 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:48] [INFO ] Deduced a trap composed of 39 places in 214 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:48] [INFO ] Deduced a trap composed of 39 places in 220 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:49] [INFO ] Deduced a trap composed of 31 places in 222 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:49] [INFO ] Deduced a trap composed of 31 places in 222 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:49] [INFO ] Deduced a trap composed of 40 places in 231 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:50] [INFO ] Deduced a trap composed of 40 places in 212 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:52] [INFO ] Deduced a trap composed of 27 places in 219 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:52] [INFO ] Deduced a trap composed of 47 places in 215 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:52] [INFO ] Deduced a trap composed of 34 places in 205 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:53] [INFO ] Deduced a trap composed of 38 places in 208 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:53] [INFO ] Deduced a trap composed of 38 places in 209 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:53] [INFO ] Deduced a trap composed of 38 places in 208 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:54] [INFO ] Deduced a trap composed of 37 places in 207 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:54] [INFO ] Deduced a trap composed of 19 places in 208 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:55] [INFO ] Deduced a trap composed of 31 places in 207 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:55] [INFO ] Deduced a trap composed of 25 places in 226 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:56] [INFO ] Deduced a trap composed of 39 places in 206 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:57] [INFO ] Deduced a trap composed of 30 places in 221 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:57] [INFO ] Deduced a trap composed of 50 places in 206 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:57] [INFO ] Deduced a trap composed of 39 places in 206 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:57] [INFO ] Deduced a trap composed of 39 places in 208 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:58] [INFO ] Deduced a trap composed of 20 places in 208 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:45:59] [INFO ] Deduced a trap composed of 21 places in 213 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:04] [INFO ] Deduced a trap composed of 11 places in 227 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:04] [INFO ] Deduced a trap composed of 35 places in 210 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:04] [INFO ] Deduced a trap composed of 33 places in 213 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:05] [INFO ] Deduced a trap composed of 11 places in 223 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:05] [INFO ] Deduced a trap composed of 32 places in 216 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:05] [INFO ] Deduced a trap composed of 11 places in 207 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:05] [INFO ] Deduced a trap composed of 34 places in 223 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:06] [INFO ] Deduced a trap composed of 44 places in 214 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:06] [INFO ] Deduced a trap composed of 40 places in 214 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:06] [INFO ] Deduced a trap composed of 48 places in 191 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:07] [INFO ] Deduced a trap composed of 51 places in 199 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:07] [INFO ] Deduced a trap composed of 48 places in 191 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:07] [INFO ] Deduced a trap composed of 49 places in 201 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:07] [INFO ] Deduced a trap composed of 49 places in 203 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:08] [INFO ] Deduced a trap composed of 53 places in 185 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:08] [INFO ] Deduced a trap composed of 41 places in 182 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:08] [INFO ] Deduced a trap composed of 49 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 14:46:09] [INFO ] Deduced a trap composed of 48 places in 149 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:09] [INFO ] Deduced a trap composed of 48 places in 138 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:09] [INFO ] Deduced a trap composed of 48 places in 146 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:09] [INFO ] Deduced a trap composed of 48 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 14:46:09] [INFO ] Deduced a trap composed of 48 places in 153 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:10] [INFO ] Deduced a trap composed of 34 places in 209 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:10] [INFO ] Deduced a trap composed of 41 places in 183 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:10] [INFO ] Deduced a trap composed of 48 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 14:46:11] [INFO ] Deduced a trap composed of 40 places in 213 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:11] [INFO ] Deduced a trap composed of 58 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 14:46:11] [INFO ] Deduced a trap composed of 57 places in 152 ms of which 16 ms to minimize.
[2026-05-25 14:46:11] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[8]
Support contains 8 out of 592 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 26 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 592/592 places, 1704/1704 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 22 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
[2026-05-25 14:46:11] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:46:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:46:12] [INFO ] Implicit Places using invariants in 543 ms returned []
[2026-05-25 14:46:12] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:46:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:46:12] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:46:18] [INFO ] Implicit Places using invariants and state equation in 5913 ms returned []
Implicit Place search using SMT with State Equation took 6458 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:46:18] [INFO ] Redundant transitions in 32 ms returned []
Running 1696 sub problems to find dead transitions.
[2026-05-25 14:46:18] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:46:18] [INFO ] Invariant cache hit.
[2026-05-25 14:46:18] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/592 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:33] [INFO ] Deduced a trap composed of 11 places in 269 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:34] [INFO ] Deduced a trap composed of 12 places in 252 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:34] [INFO ] Deduced a trap composed of 13 places in 230 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:34] [INFO ] Deduced a trap composed of 14 places in 245 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:34] [INFO ] Deduced a trap composed of 15 places in 225 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:34] [INFO ] Deduced a trap composed of 17 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 14:46:35] [INFO ] Deduced a trap composed of 12 places in 240 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:35] [INFO ] Deduced a trap composed of 22 places in 255 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:35] [INFO ] Deduced a trap composed of 31 places in 224 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:36] [INFO ] Deduced a trap composed of 33 places in 254 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:36] [INFO ] Deduced a trap composed of 34 places in 239 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:36] [INFO ] Deduced a trap composed of 35 places in 232 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:36] [INFO ] Deduced a trap composed of 39 places in 203 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:37] [INFO ] Deduced a trap composed of 12 places in 227 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:37] [INFO ] Deduced a trap composed of 14 places in 225 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:37] [INFO ] Deduced a trap composed of 15 places in 210 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:37] [INFO ] Deduced a trap composed of 15 places in 228 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:37] [INFO ] Deduced a trap composed of 19 places in 222 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:38] [INFO ] Deduced a trap composed of 12 places in 251 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:38] [INFO ] Deduced a trap composed of 21 places in 240 ms of which 26 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/592 variables, 20/43 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:39] [INFO ] Deduced a trap composed of 22 places in 254 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:39] [INFO ] Deduced a trap composed of 23 places in 248 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:39] [INFO ] Deduced a trap composed of 22 places in 232 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:40] [INFO ] Deduced a trap composed of 22 places in 237 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:40] [INFO ] Deduced a trap composed of 21 places in 235 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:40] [INFO ] Deduced a trap composed of 22 places in 237 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:40] [INFO ] Deduced a trap composed of 21 places in 241 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:41] [INFO ] Deduced a trap composed of 31 places in 229 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:41] [INFO ] Deduced a trap composed of 31 places in 225 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:41] [INFO ] Deduced a trap composed of 40 places in 217 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:41] [INFO ] Deduced a trap composed of 42 places in 216 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:41] [INFO ] Deduced a trap composed of 48 places in 238 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:42] [INFO ] Deduced a trap composed of 51 places in 183 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:42] [INFO ] Deduced a trap composed of 52 places in 182 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:42] [INFO ] Deduced a trap composed of 73 places in 191 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:42] [INFO ] Deduced a trap composed of 31 places in 250 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:43] [INFO ] Deduced a trap composed of 33 places in 242 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:43] [INFO ] Deduced a trap composed of 12 places in 223 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:43] [INFO ] Deduced a trap composed of 13 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 14:46:43] [INFO ] Deduced a trap composed of 21 places in 251 ms of which 30 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/592 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:44] [INFO ] Deduced a trap composed of 30 places in 248 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:45] [INFO ] Deduced a trap composed of 30 places in 242 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:45] [INFO ] Deduced a trap composed of 31 places in 245 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:45] [INFO ] Deduced a trap composed of 40 places in 228 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:45] [INFO ] Deduced a trap composed of 40 places in 216 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:45] [INFO ] Deduced a trap composed of 39 places in 212 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:46] [INFO ] Deduced a trap composed of 41 places in 212 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:46] [INFO ] Deduced a trap composed of 51 places in 195 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:46] [INFO ] Deduced a trap composed of 51 places in 213 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:46] [INFO ] Deduced a trap composed of 50 places in 194 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:47] [INFO ] Deduced a trap composed of 40 places in 202 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:47] [INFO ] Deduced a trap composed of 40 places in 220 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:47] [INFO ] Deduced a trap composed of 39 places in 211 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:47] [INFO ] Deduced a trap composed of 60 places in 177 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:47] [INFO ] Deduced a trap composed of 61 places in 168 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:48] [INFO ] Deduced a trap composed of 16 places in 211 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:48] [INFO ] Deduced a trap composed of 50 places in 197 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:48] [INFO ] Deduced a trap composed of 50 places in 194 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:48] [INFO ] Deduced a trap composed of 51 places in 184 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:48] [INFO ] Deduced a trap composed of 50 places in 186 ms of which 23 ms to minimize.
SMT process timed out in 30563ms, After SMT, problems are : Problem set: 0 solved, 1696 unsolved
Search for dead transitions found 0 dead transitions in 30566ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37089 ms. Remains : 592/592 places, 1704/1704 transitions.
[2026-05-25 14:46:49] [INFO ] Flatten gal took : 72 ms
RANDOM walk for 40000 steps (8 resets) in 400 ms. (99 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
[2026-05-25 14:46:49] [INFO ] Flatten gal took : 96 ms
[2026-05-25 14:46:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9878697106637676177.gal : 8 ms
[2026-05-25 14:46:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10394804228859824330.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/ReachabilityCardinality9878697106637676177.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10394804228859824330.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/ReachabilityCardinality10394804228859824330.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 9
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :9 after 18
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :18 after 25
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :25 after 32
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :32 after 77
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :77 after 184
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :184 after 382
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :382 after 506
Interrupted probabilistic random walk after 491382 steps, run timeout after 3001 ms. (steps per millisecond=163 ) properties seen :0 out of 2
Probabilistic random walk after 491382 steps, saw 72983 distinct states, run finished after 3001 ms. (steps per millisecond=163 ) properties seen :0
[2026-05-25 14:46:52] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:46:52] [INFO ] Invariant cache hit.
[2026-05-25 14:46:52] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 520/528 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/528 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/536 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/536 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1368/1904 variables, 536/552 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1904 variables, 497/1049 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1904 variables, 0/1049 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 56/1960 variables, 56/1105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1960 variables, 7/1112 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1960 variables, 0/1112 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1960 variables, 0/1112 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1960/1960 variables, and 1112 constraints, problems are : Problem set: 0 solved, 2 unsolved in 987 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 592/592 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 520/528 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/528 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/536 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/536 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1368/1904 variables, 536/552 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1904 variables, 497/1049 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1904 variables, 2/1051 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1904 variables, 0/1051 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 56/1960 variables, 56/1107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1960 variables, 7/1114 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 14:46:55] [INFO ] Deduced a trap composed of 11 places in 245 ms of which 19 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 4096
[2026-05-25 14:46:55] [INFO ] Deduced a trap composed of 11 places in 243 ms of which 20 ms to minimize.
SDD size :506 after 3621
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:55] [INFO ] Deduced a trap composed of 12 places in 245 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:55] [INFO ] Deduced a trap composed of 11 places in 265 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:56] [INFO ] Deduced a trap composed of 11 places in 244 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:56] [INFO ] Deduced a trap composed of 11 places in 253 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:56] [INFO ] Deduced a trap composed of 11 places in 223 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:57] [INFO ] Deduced a trap composed of 11 places in 245 ms of which 19 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:57] [INFO ] Deduced a trap composed of 12 places in 239 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:57] [INFO ] Deduced a trap composed of 12 places in 243 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:58] [INFO ] Deduced a trap composed of 25 places in 245 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:46:58] [INFO ] Deduced a trap composed of 21 places in 243 ms of which 25 ms to minimize.
SMT process timed out in 6182ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 592 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 24 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 592/592 places, 1704/1704 transitions.
RANDOM walk for 40000 steps (8 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 583074 steps, run timeout after 3001 ms. (steps per millisecond=194 ) properties seen :0 out of 1
Probabilistic random walk after 583074 steps, saw 80998 distinct states, run finished after 3001 ms. (steps per millisecond=194 ) properties seen :0
[2026-05-25 14:47:01] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:47:01] [INFO ] Invariant cache hit.
[2026-05-25 14:47:01] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 520/528 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/528 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 8/536 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/536 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3621 after 7265
At refinement iteration 5 (OVERLAPS) 1368/1904 variables, 536/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1904 variables, 497/1049 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1904 variables, 0/1049 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 56/1960 variables, 56/1105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1960 variables, 7/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1960 variables, 0/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1960 variables, 0/1112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1960/1960 variables, and 1112 constraints, problems are : Problem set: 0 solved, 1 unsolved in 508 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 592/592 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 520/528 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:02] [INFO ] Deduced a trap composed of 62 places in 123 ms of which 10 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/528 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/528 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/536 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/536 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1368/1904 variables, 536/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1904 variables, 497/1050 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1904 variables, 1/1051 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1904 variables, 0/1051 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 56/1960 variables, 56/1107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1960 variables, 7/1114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:03] [INFO ] Deduced a trap composed of 13 places in 240 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:03] [INFO ] Deduced a trap composed of 11 places in 228 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:03] [INFO ] Deduced a trap composed of 11 places in 240 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:04] [INFO ] Deduced a trap composed of 19 places in 235 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:04] [INFO ] Deduced a trap composed of 19 places in 230 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:04] [INFO ] Deduced a trap composed of 19 places in 238 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:05] [INFO ] Deduced a trap composed of 14 places in 226 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:05] [INFO ] Deduced a trap composed of 13 places in 232 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:05] [INFO ] Deduced a trap composed of 14 places in 232 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:05] [INFO ] Deduced a trap composed of 23 places in 232 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:06] [INFO ] Deduced a trap composed of 20 places in 232 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:06] [INFO ] Deduced a trap composed of 21 places in 236 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:06] [INFO ] Deduced a trap composed of 20 places in 220 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:07] [INFO ] Deduced a trap composed of 25 places in 215 ms of which 17 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 :7265 after 9883
[2026-05-25 14:47:07] [INFO ] Deduced a trap composed of 14 places in 243 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:07] [INFO ] Deduced a trap composed of 26 places in 235 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:08] [INFO ] Deduced a trap composed of 23 places in 232 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:08] [INFO ] Deduced a trap composed of 23 places in 224 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:08] [INFO ] Deduced a trap composed of 30 places in 231 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:08] [INFO ] Deduced a trap composed of 31 places in 221 ms of which 29 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1960 variables, 20/1134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:09] [INFO ] Deduced a trap composed of 32 places in 234 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:09] [INFO ] Deduced a trap composed of 30 places in 214 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:09] [INFO ] Deduced a trap composed of 32 places in 226 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:10] [INFO ] Deduced a trap composed of 30 places in 226 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:10] [INFO ] Deduced a trap composed of 29 places in 225 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:10] [INFO ] Deduced a trap composed of 30 places in 225 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:11] [INFO ] Deduced a trap composed of 19 places in 215 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:11] [INFO ] Deduced a trap composed of 25 places in 211 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:12] [INFO ] Deduced a trap composed of 27 places in 222 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:12] [INFO ] Deduced a trap composed of 29 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 14:47:12] [INFO ] Deduced a trap composed of 34 places in 200 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:13] [INFO ] Deduced a trap composed of 11 places in 211 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:13] [INFO ] Deduced a trap composed of 43 places in 185 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:13] [INFO ] Deduced a trap composed of 38 places in 214 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:13] [INFO ] Deduced a trap composed of 38 places in 212 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:14] [INFO ] Deduced a trap composed of 38 places in 210 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:14] [INFO ] Deduced a trap composed of 20 places in 207 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:14] [INFO ] Deduced a trap composed of 19 places in 215 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:15] [INFO ] Deduced a trap composed of 20 places in 210 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:15] [INFO ] Deduced a trap composed of 29 places in 215 ms of which 26 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1960 variables, 20/1154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:15] [INFO ] Deduced a trap composed of 38 places in 215 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:16] [INFO ] Deduced a trap composed of 21 places in 227 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:16] [INFO ] Deduced a trap composed of 30 places in 219 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:16] [INFO ] Deduced a trap composed of 42 places in 206 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:17] [INFO ] Deduced a trap composed of 41 places in 207 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:17] [INFO ] Deduced a trap composed of 41 places in 203 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:17] [INFO ] Deduced a trap composed of 41 places in 206 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:17] [INFO ] Deduced a trap composed of 42 places in 212 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:18] [INFO ] Deduced a trap composed of 31 places in 361 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:20] [INFO ] Deduced a trap composed of 13 places in 400 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:21] [INFO ] Deduced a trap composed of 22 places in 374 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:21] [INFO ] Deduced a trap composed of 40 places in 367 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:23] [INFO ] Deduced a trap composed of 39 places in 367 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:23] [INFO ] Deduced a trap composed of 21 places in 371 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:24] [INFO ] Deduced a trap composed of 20 places in 392 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:24] [INFO ] Deduced a trap composed of 20 places in 382 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:25] [INFO ] Deduced a trap composed of 11 places in 371 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:25] [INFO ] Deduced a trap composed of 33 places in 372 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:26] [INFO ] Deduced a trap composed of 21 places in 379 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:26] [INFO ] Deduced a trap composed of 21 places in 376 ms of which 31 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/1960 variables, 20/1174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:27] [INFO ] Deduced a trap composed of 27 places in 317 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:27] [INFO ] Deduced a trap composed of 29 places in 229 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:27] [INFO ] Deduced a trap composed of 37 places in 224 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:28] [INFO ] Deduced a trap composed of 11 places in 230 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:28] [INFO ] Deduced a trap composed of 29 places in 222 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:28] [INFO ] Deduced a trap composed of 47 places in 188 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:29] [INFO ] Deduced a trap composed of 47 places in 193 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:29] [INFO ] Deduced a trap composed of 20 places in 203 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:29] [INFO ] Deduced a trap composed of 11 places in 230 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:30] [INFO ] Deduced a trap composed of 20 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 14:47:30] [INFO ] Deduced a trap composed of 29 places in 217 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:30] [INFO ] Deduced a trap composed of 38 places in 207 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:31] [INFO ] Deduced a trap composed of 29 places in 216 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:31] [INFO ] Deduced a trap composed of 40 places in 208 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:31] [INFO ] Deduced a trap composed of 51 places in 190 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:31] [INFO ] Deduced a trap composed of 43 places in 204 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:32] [INFO ] Deduced a trap composed of 42 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 14:47:32] [INFO ] Deduced a trap composed of 43 places in 215 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:32] [INFO ] Deduced a trap composed of 42 places in 209 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:33] [INFO ] Deduced a trap composed of 42 places in 211 ms of which 29 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1960 variables, 20/1194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:33] [INFO ] Deduced a trap composed of 21 places in 251 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:33] [INFO ] Deduced a trap composed of 30 places in 213 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:33] [INFO ] Deduced a trap composed of 33 places in 218 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:34] [INFO ] Deduced a trap composed of 31 places in 217 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:34] [INFO ] Deduced a trap composed of 31 places in 212 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:35] [INFO ] Deduced a trap composed of 51 places in 197 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:35] [INFO ] Deduced a trap composed of 52 places in 198 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:35] [INFO ] Deduced a trap composed of 51 places in 190 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:35] [INFO ] Deduced a trap composed of 51 places in 187 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:36] [INFO ] Deduced a trap composed of 52 places in 195 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:36] [INFO ] Deduced a trap composed of 42 places in 207 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:36] [INFO ] Deduced a trap composed of 51 places in 199 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:37] [INFO ] Deduced a trap composed of 37 places in 209 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:37] [INFO ] Deduced a trap composed of 47 places in 187 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:38] [INFO ] Deduced a trap composed of 47 places in 189 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:38] [INFO ] Deduced a trap composed of 47 places in 193 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:38] [INFO ] Deduced a trap composed of 62 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 14:47:38] [INFO ] Deduced a trap composed of 47 places in 187 ms of which 29 ms to minimize.
Detected timeout of ITS tools.
[2026-05-25 14:47:39] [INFO ] Flatten gal took : 47 ms
[2026-05-25 14:47:39] [INFO ] Applying decomposition
[2026-05-25 14:47:39] [INFO ] Flatten gal took : 45 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 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/graph3437905739286533298.txt' '-o' '/tmp/graph3437905739286533298.bin' '-w' '/tmp/graph3437905739286533298.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3437905739286533298.bin' '-l' '-1' '-v' '-w' '/tmp/graph3437905739286533298.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:47:39] [INFO ] Decomposing Gal with order
[2026-05-25 14:47:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:47:39] [INFO ] Deduced a trap composed of 35 places in 198 ms of which 27 ms to minimize.
[2026-05-25 14:47:39] [INFO ] Removed a total of 2626 redundant transitions.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:39] [INFO ] Flatten gal took : 114 ms
[2026-05-25 14:47:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 19 ms.
[2026-05-25 14:47:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality328608555886988159.gal : 7 ms
[2026-05-25 14:47:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12135246499895128196.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/ReachabilityCardinality328608555886988159.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12135246499895128196.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
[2026-05-25 14:47:39] [INFO ] Deduced a trap composed of 42 places in 162 ms of which 23 ms to minimize.
Loading property file /tmp/ReachabilityCardinality12135246499895128196.prop.
At refinement iteration 16 (INCLUDED_ONLY) 0/1960 variables, 20/1214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:40] [INFO ] Deduced a trap composed of 26 places in 213 ms of which 24 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 4
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :4 after 13
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :13 after 17
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :17 after 23
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :23 after 32
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :32 after 134
[2026-05-25 14:47:40] [INFO ] Deduced a trap composed of 29 places in 226 ms of which 25 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :134 after 258
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :258 after 495
[2026-05-25 14:47:40] [INFO ] Deduced a trap composed of 29 places in 190 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:41] [INFO ] Deduced a trap composed of 38 places in 207 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:41] [INFO ] Deduced a trap composed of 47 places in 179 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:41] [INFO ] Deduced a trap composed of 20 places in 222 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:41] [INFO ] Deduced a trap composed of 65 places in 142 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:42] [INFO ] Deduced a trap composed of 65 places in 140 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :495 after 1955
[2026-05-25 14:47:42] [INFO ] Deduced a trap composed of 65 places in 143 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:42] [INFO ] Deduced a trap composed of 73 places in 146 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:42] [INFO ] Deduced a trap composed of 56 places in 162 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:42] [INFO ] Deduced a trap composed of 56 places in 163 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:43] [INFO ] Deduced a trap composed of 56 places in 160 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:43] [INFO ] Deduced a trap composed of 56 places in 166 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:43] [INFO ] Deduced a trap composed of 56 places in 165 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:43] [INFO ] Deduced a trap composed of 56 places in 166 ms of which 26 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1955 after 5819
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:44] [INFO ] Deduced a trap composed of 65 places in 142 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:44] [INFO ] Deduced a trap composed of 67 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 14:47:44] [INFO ] Deduced a trap composed of 45 places in 197 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:44] [INFO ] Deduced a trap composed of 49 places in 141 ms of which 15 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/1960 variables, 20/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:45] [INFO ] Deduced a trap composed of 55 places in 168 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:45] [INFO ] Deduced a trap composed of 67 places in 160 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :5819 after 10413
[2026-05-25 14:47:45] [INFO ] Deduced a trap composed of 79 places in 143 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:46] [INFO ] Deduced a trap composed of 39 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 14:47:46] [INFO ] Deduced a trap composed of 47 places in 173 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:47:46] [INFO ] Deduced a trap composed of 55 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 14:47:47] [INFO ] Deduced a trap composed of 53 places in 167 ms of which 25 ms to minimize.
SMT process timed out in 45666ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 592 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 28 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 592/592 places, 1704/1704 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 21 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
[2026-05-25 14:47:47] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:47:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:47:47] [INFO ] Implicit Places using invariants in 522 ms returned []
[2026-05-25 14:47:47] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:47:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:47:48] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:47:53] [INFO ] Implicit Places using invariants and state equation in 5925 ms returned []
Implicit Place search using SMT with State Equation took 6447 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:47:53] [INFO ] Redundant transitions in 31 ms returned []
Running 1696 sub problems to find dead transitions.
[2026-05-25 14:47:53] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 14:47:53] [INFO ] Invariant cache hit.
[2026-05-25 14:47:53] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :10413 after 37578
At refinement iteration 0 (INCLUDED_ONLY) 0/592 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:08] [INFO ] Deduced a trap composed of 11 places in 281 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:09] [INFO ] Deduced a trap composed of 12 places in 258 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:09] [INFO ] Deduced a trap composed of 13 places in 418 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:10] [INFO ] Deduced a trap composed of 14 places in 402 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:10] [INFO ] Deduced a trap composed of 15 places in 408 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:10] [INFO ] Deduced a trap composed of 17 places in 57 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:10] [INFO ] Deduced a trap composed of 12 places in 270 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:11] [INFO ] Deduced a trap composed of 22 places in 263 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:11] [INFO ] Deduced a trap composed of 31 places in 273 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:11] [INFO ] Deduced a trap composed of 33 places in 258 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:12] [INFO ] Deduced a trap composed of 34 places in 377 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:12] [INFO ] Deduced a trap composed of 35 places in 391 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:12] [INFO ] Deduced a trap composed of 39 places in 364 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :37578 after 110593
[2026-05-25 14:48:16] [INFO ] Deduced a trap composed of 12 places in 3192 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:16] [INFO ] Deduced a trap composed of 14 places in 235 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:16] [INFO ] Deduced a trap composed of 15 places in 222 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:16] [INFO ] Deduced a trap composed of 15 places in 225 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:17] [INFO ] Deduced a trap composed of 19 places in 217 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:17] [INFO ] Deduced a trap composed of 12 places in 250 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:17] [INFO ] Deduced a trap composed of 21 places in 248 ms of which 26 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/592 variables, 20/43 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:18] [INFO ] Deduced a trap composed of 22 places in 233 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:18] [INFO ] Deduced a trap composed of 23 places in 250 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:18] [INFO ] Deduced a trap composed of 22 places in 249 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:19] [INFO ] Deduced a trap composed of 22 places in 231 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:19] [INFO ] Deduced a trap composed of 21 places in 227 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:19] [INFO ] Deduced a trap composed of 22 places in 234 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:19] [INFO ] Deduced a trap composed of 21 places in 233 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:20] [INFO ] Deduced a trap composed of 31 places in 230 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:20] [INFO ] Deduced a trap composed of 31 places in 224 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:20] [INFO ] Deduced a trap composed of 40 places in 214 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:20] [INFO ] Deduced a trap composed of 42 places in 214 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:21] [INFO ] Deduced a trap composed of 48 places in 217 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:21] [INFO ] Deduced a trap composed of 51 places in 181 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:21] [INFO ] Deduced a trap composed of 52 places in 182 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:21] [INFO ] Deduced a trap composed of 73 places in 186 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:21] [INFO ] Deduced a trap composed of 31 places in 238 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:22] [INFO ] Deduced a trap composed of 33 places in 210 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:22] [INFO ] Deduced a trap composed of 12 places in 220 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:22] [INFO ] Deduced a trap composed of 13 places in 192 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:22] [INFO ] Deduced a trap composed of 21 places in 227 ms of which 28 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/592 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:23] [INFO ] Deduced a trap composed of 30 places in 233 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:24] [INFO ] Deduced a trap composed of 30 places in 221 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:24] [INFO ] Deduced a trap composed of 31 places in 231 ms of which 36 ms to minimize.
SMT process timed out in 30604ms, After SMT, problems are : Problem set: 0 solved, 1696 unsolved
Search for dead transitions found 0 dead transitions in 30608ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37116 ms. Remains : 592/592 places, 1704/1704 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1288 edges and 592 vertex of which 448 / 592 are part of one of the 56 SCC in 2 ms
Free SCC test removed 392 places
Drop transitions (Empty/Sink Transition effects.) removed 784 transitions
Ensure Unique test removed 392 transitions
Reduce isomorphic transitions removed 1176 transitions.
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 56 Pre rules applied. Total rules applied 1 place count 200 transition count 472
Deduced a syphon composed of 56 places in 0 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 0 with 112 rules applied. Total rules applied 113 place count 144 transition count 472
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 137 place count 128 transition count 464
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 145 place count 128 transition count 464
Applied a total of 145 rules in 24 ms. Remains 128 /592 variables (removed 464) and now considering 464/1704 (removed 1240) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 464 rows 128 cols
[2026-05-25 14:48:24] [INFO ] Computed 15 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 14:48:24] [INFO ] [Real]Absence check using 15 positive place invariants in 3 ms returned sat
[2026-05-25 14:48:24] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 14:48:24] [INFO ] [Nat]Absence check using 15 positive place invariants in 2 ms returned sat
[2026-05-25 14:48:24] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 14:48:24] [INFO ] After 95ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 14:48:24] [INFO ] After 137ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-25 14:48:24] [INFO ] Flatten gal took : 15 ms
[2026-05-25 14:48:24] [INFO ] Flatten gal took : 14 ms
[2026-05-25 14:48:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1118279421877197216.gal : 2 ms
[2026-05-25 14:48:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6963776269547041258.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/ReachabilityCardinality1118279421877197216.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6963776269547041258.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/ReachabilityCardinality6963776269547041258.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 40
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :40 after 1728
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1728 after 315900
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :315900 after 1.54522e+08
Detected timeout of ITS tools.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 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,8.94253e+09,6.93312,82748,2,44813,10,338350,6,0,979,137129,0
Total reachable state count : 8942530086

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1.00864e+06,6.93837,82748,2,3564,10,338350,7,0,989,137129,0
Over-approximation ignoring read arcs solved 0 properties in 7224 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[8]
Ending property specific reduction for Peterson-COL-7-UpperBounds-01 in 194448 ms.
Starting property specific reduction for Peterson-COL-7-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2026-05-25 14:48:31] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
// Phase 1: matrix 1872 rows 1096 cols
[2026-05-25 14:48:31] [INFO ] Computed 23 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10000 steps (2 resets) in 97 ms. (102 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 51 ms. (192 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[8]
[2026-05-25 14:48:31] [INFO ] Flow matrix only has 1872 transitions (discarded 336 similar events)
[2026-05-25 14:48:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:48:31] [INFO ] [Real]Absence check using 23 positive place invariants in 18 ms returned sat
[2026-05-25 14:48:32] [INFO ] [Real]Absence check using state equation in 444 ms returned sat
[2026-05-25 14:48:32] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:48:32] [INFO ] [Real]Added 497 Read/Feed constraints in 89 ms returned sat
[2026-05-25 14:48:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:48:32] [INFO ] [Nat]Absence check using 23 positive place invariants in 19 ms returned sat
[2026-05-25 14:48:33] [INFO ] [Nat]Absence check using state equation in 436 ms returned sat
[2026-05-25 14:48:33] [INFO ] [Nat]Added 497 Read/Feed constraints in 143 ms returned sat
[2026-05-25 14:48:33] [INFO ] Computed and/alt/rep : 1752/5288/1752 causal constraints (skipped 112 transitions) in 88 ms.
[2026-05-25 14:48:37] [INFO ] Added : 92 causal constraints over 19 iterations in 3820 ms. Result :sat
Minimization took 394 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[8]
Support contains 448 out of 1096 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1096/1096 places, 2208/2208 transitions.
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 8 Pre rules applied. Total rules applied 0 place count 1096 transition count 2200
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 1088 transition count 2200
Applied a total of 16 rules in 51 ms. Remains 1088 /1096 variables (removed 8) and now considering 2200/2208 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 1088/1096 places, 2200/2208 transitions.
[2026-05-25 14:48:37] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
// Phase 1: matrix 1864 rows 1088 cols
[2026-05-25 14:48:37] [INFO ] Computed 23 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 7642 ms. (130 steps per ms)
BEST_FIRST walk for 949556 steps (2 resets) in 5001 ms. (189 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[8]
[2026-05-25 14:48:50] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:48:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:48:50] [INFO ] [Real]Absence check using 23 positive place invariants in 19 ms returned sat
[2026-05-25 14:48:50] [INFO ] [Real]Absence check using state equation in 426 ms returned sat
[2026-05-25 14:48:50] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:48:50] [INFO ] [Real]Added 497 Read/Feed constraints in 122 ms returned sat
[2026-05-25 14:48:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:48:51] [INFO ] [Nat]Absence check using 23 positive place invariants in 19 ms returned sat
[2026-05-25 14:48:51] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2026-05-25 14:48:51] [INFO ] [Nat]Added 497 Read/Feed constraints in 173 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:52] [INFO ] Deduced a trap composed of 15 places in 457 ms of which 32 ms to minimize.
[2026-05-25 14:48:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 587 ms
[2026-05-25 14:48:52] [INFO ] Computed and/alt/rep : 1744/5280/1744 causal constraints (skipped 112 transitions) in 96 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:56] [INFO ] Deduced a trap composed of 42 places in 384 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:48:56] [INFO ] Deduced a trap composed of 42 places in 369 ms of which 55 ms to minimize.
[2026-05-25 14:48:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1247 ms
[2026-05-25 14:48:57] [INFO ] Added : 98 causal constraints over 21 iterations in 5650 ms. Result :sat
Minimization took 788 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[8]
Support contains 448 out of 1088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 41 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 1088/1088 places, 2200/2200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 41 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
[2026-05-25 14:48:59] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:48:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:49:00] [INFO ] Implicit Places using invariants in 1066 ms returned []
[2026-05-25 14:49:00] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:49:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:49:01] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:49:13] [INFO ] Implicit Places using invariants and state equation in 13308 ms returned []
Implicit Place search using SMT with State Equation took 14379 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:49:13] [INFO ] Redundant transitions in 42 ms returned []
Running 2192 sub problems to find dead transitions.
[2026-05-25 14:49:13] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:49:13] [INFO ] Invariant cache hit.
[2026-05-25 14:49:13] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1088 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1088/2952 variables, and 23 constraints, problems are : Problem set: 0 solved, 2192 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/1088 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 2192/2192 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2192 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1088 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:46] [INFO ] Deduced a trap composed of 13 places in 382 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:47] [INFO ] Deduced a trap composed of 15 places in 411 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:47] [INFO ] Deduced a trap composed of 17 places in 410 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:48] [INFO ] Deduced a trap composed of 19 places in 401 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:48] [INFO ] Deduced a trap composed of 21 places in 402 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:48] [INFO ] Deduced a trap composed of 23 places in 407 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:48] [INFO ] Deduced a trap composed of 25 places in 59 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:49] [INFO ] Deduced a trap composed of 15 places in 402 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:49] [INFO ] Deduced a trap composed of 33 places in 418 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:50] [INFO ] Deduced a trap composed of 33 places in 405 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:50] [INFO ] Deduced a trap composed of 35 places in 419 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:51] [INFO ] Deduced a trap composed of 37 places in 406 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:51] [INFO ] Deduced a trap composed of 39 places in 403 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:52] [INFO ] Deduced a trap composed of 13 places in 428 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:52] [INFO ] Deduced a trap composed of 17 places in 439 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:53] [INFO ] Deduced a trap composed of 19 places in 420 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:53] [INFO ] Deduced a trap composed of 21 places in 416 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:53] [INFO ] Deduced a trap composed of 23 places in 424 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:54] [INFO ] Deduced a trap composed of 27 places in 366 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:54] [INFO ] Deduced a trap composed of 13 places in 434 ms of which 33 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1088 variables, 20/43 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:56] [INFO ] Deduced a trap composed of 33 places in 411 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:57] [INFO ] Deduced a trap composed of 33 places in 414 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:57] [INFO ] Deduced a trap composed of 33 places in 404 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:58] [INFO ] Deduced a trap composed of 33 places in 410 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:58] [INFO ] Deduced a trap composed of 35 places in 395 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:59] [INFO ] Deduced a trap composed of 53 places in 412 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:59] [INFO ] Deduced a trap composed of 55 places in 397 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:49:59] [INFO ] Deduced a trap composed of 57 places in 376 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:00] [INFO ] Deduced a trap composed of 59 places in 373 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:00] [INFO ] Deduced a trap composed of 25 places in 404 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:01] [INFO ] Deduced a trap composed of 33 places in 403 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:01] [INFO ] Deduced a trap composed of 33 places in 391 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:02] [INFO ] Deduced a trap composed of 33 places in 408 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:02] [INFO ] Deduced a trap composed of 33 places in 390 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:02] [INFO ] Deduced a trap composed of 51 places in 404 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:03] [INFO ] Deduced a trap composed of 13 places in 342 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:03] [INFO ] Deduced a trap composed of 13 places in 370 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:04] [INFO ] Deduced a trap composed of 13 places in 364 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:04] [INFO ] Deduced a trap composed of 13 places in 366 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:05] [INFO ] Deduced a trap composed of 35 places in 430 ms of which 58 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1088 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:06] [INFO ] Deduced a trap composed of 49 places in 427 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:07] [INFO ] Deduced a trap composed of 65 places in 397 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:07] [INFO ] Deduced a trap composed of 71 places in 380 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:07] [INFO ] Deduced a trap composed of 73 places in 357 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:08] [INFO ] Deduced a trap composed of 75 places in 316 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:08] [INFO ] Deduced a trap composed of 33 places in 421 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:09] [INFO ] Deduced a trap composed of 33 places in 412 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:09] [INFO ] Deduced a trap composed of 51 places in 406 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:10] [INFO ] Deduced a trap composed of 69 places in 429 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:10] [INFO ] Deduced a trap composed of 15 places in 325 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:10] [INFO ] Deduced a trap composed of 57 places in 362 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:11] [INFO ] Deduced a trap composed of 27 places in 418 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:11] [INFO ] Deduced a trap composed of 17 places in 407 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:12] [INFO ] Deduced a trap composed of 19 places in 404 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:12] [INFO ] Deduced a trap composed of 21 places in 408 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:13] [INFO ] Deduced a trap composed of 23 places in 396 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:13] [INFO ] Deduced a trap composed of 25 places in 343 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:14] [INFO ] Deduced a trap composed of 51 places in 402 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:14] [INFO ] Deduced a trap composed of 51 places in 411 ms of which 68 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1088/2952 variables, and 82 constraints, problems are : Problem set: 0 solved, 2192 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/1088 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 0/2192 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60626ms problems are : Problem set: 0 solved, 2192 unsolved
Search for dead transitions found 0 dead transitions in 60630ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75104 ms. Remains : 1088/1088 places, 2200/2200 transitions.
[2026-05-25 14:50:14] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:50:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 7875 ms. (126 steps per ms)
BEST_FIRST walk for 991793 steps (2 resets) in 5001 ms. (198 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[8]
[2026-05-25 14:50:27] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:50:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:50:27] [INFO ] [Real]Absence check using 23 positive place invariants in 21 ms returned sat
[2026-05-25 14:50:28] [INFO ] [Real]Absence check using state equation in 447 ms returned sat
[2026-05-25 14:50:28] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:50:28] [INFO ] [Real]Added 497 Read/Feed constraints in 114 ms returned sat
[2026-05-25 14:50:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:50:28] [INFO ] [Nat]Absence check using 23 positive place invariants in 20 ms returned sat
[2026-05-25 14:50:28] [INFO ] [Nat]Absence check using state equation in 444 ms returned sat
[2026-05-25 14:50:29] [INFO ] [Nat]Added 497 Read/Feed constraints in 184 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:29] [INFO ] Deduced a trap composed of 65 places in 315 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:29] [INFO ] Deduced a trap composed of 15 places in 453 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:30] [INFO ] Deduced a trap composed of 11 places in 421 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:30] [INFO ] Deduced a trap composed of 11 places in 442 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:31] [INFO ] Deduced a trap composed of 11 places in 449 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:31] [INFO ] Deduced a trap composed of 11 places in 425 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:32] [INFO ] Deduced a trap composed of 11 places in 446 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:32] [INFO ] Deduced a trap composed of 11 places in 456 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:33] [INFO ] Deduced a trap composed of 11 places in 434 ms of which 28 ms to minimize.
[2026-05-25 14:50:33] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 4497 ms
[2026-05-25 14:50:33] [INFO ] Computed and/alt/rep : 1744/5280/1744 causal constraints (skipped 112 transitions) in 106 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:41] [INFO ] Deduced a trap composed of 27 places in 401 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:41] [INFO ] Deduced a trap composed of 49 places in 428 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:42] [INFO ] Deduced a trap composed of 49 places in 413 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:42] [INFO ] Deduced a trap composed of 49 places in 413 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:43] [INFO ] Deduced a trap composed of 51 places in 401 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:43] [INFO ] Deduced a trap composed of 51 places in 400 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:44] [INFO ] Deduced a trap composed of 51 places in 397 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:45] [INFO ] Deduced a trap composed of 29 places in 363 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:50:45] [INFO ] Deduced a trap composed of 27 places in 372 ms of which 42 ms to minimize.
[2026-05-25 14:50:45] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 5101 ms
[2026-05-25 14:50:46] [INFO ] Added : 249 causal constraints over 51 iterations in 13229 ms. Result :sat
Minimization took 997 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[8]
Support contains 448 out of 1088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 25 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 1088/1088 places, 2200/2200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 26 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
[2026-05-25 14:50:48] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:50:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:50:49] [INFO ] Implicit Places using invariants in 1058 ms returned []
[2026-05-25 14:50:49] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:50:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:50:49] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:51:02] [INFO ] Implicit Places using invariants and state equation in 13327 ms returned []
Implicit Place search using SMT with State Equation took 14392 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:51:02] [INFO ] Redundant transitions in 39 ms returned []
Running 2192 sub problems to find dead transitions.
[2026-05-25 14:51:02] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 14:51:02] [INFO ] Invariant cache hit.
[2026-05-25 14:51:02] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1088 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1088/2952 variables, and 23 constraints, problems are : Problem set: 0 solved, 2192 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/1088 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 2192/2192 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2192 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1088 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:35] [INFO ] Deduced a trap composed of 13 places in 377 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:36] [INFO ] Deduced a trap composed of 15 places in 374 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:36] [INFO ] Deduced a trap composed of 17 places in 377 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:36] [INFO ] Deduced a trap composed of 19 places in 415 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:37] [INFO ] Deduced a trap composed of 21 places in 399 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:37] [INFO ] Deduced a trap composed of 23 places in 410 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:37] [INFO ] Deduced a trap composed of 25 places in 59 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:38] [INFO ] Deduced a trap composed of 15 places in 392 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:38] [INFO ] Deduced a trap composed of 33 places in 418 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:39] [INFO ] Deduced a trap composed of 33 places in 418 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:39] [INFO ] Deduced a trap composed of 35 places in 425 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:40] [INFO ] Deduced a trap composed of 37 places in 408 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:40] [INFO ] Deduced a trap composed of 39 places in 402 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:40] [INFO ] Deduced a trap composed of 13 places in 427 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:41] [INFO ] Deduced a trap composed of 17 places in 448 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:41] [INFO ] Deduced a trap composed of 19 places in 439 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:42] [INFO ] Deduced a trap composed of 21 places in 430 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:42] [INFO ] Deduced a trap composed of 23 places in 430 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:43] [INFO ] Deduced a trap composed of 27 places in 392 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:43] [INFO ] Deduced a trap composed of 13 places in 481 ms of which 32 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/1088 variables, 20/43 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:46] [INFO ] Deduced a trap composed of 33 places in 414 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:46] [INFO ] Deduced a trap composed of 33 places in 423 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:46] [INFO ] Deduced a trap composed of 33 places in 403 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:47] [INFO ] Deduced a trap composed of 33 places in 403 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:47] [INFO ] Deduced a trap composed of 35 places in 415 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:48] [INFO ] Deduced a trap composed of 53 places in 411 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:48] [INFO ] Deduced a trap composed of 55 places in 386 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:48] [INFO ] Deduced a trap composed of 57 places in 366 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:49] [INFO ] Deduced a trap composed of 59 places in 369 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:49] [INFO ] Deduced a trap composed of 25 places in 391 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:50] [INFO ] Deduced a trap composed of 33 places in 409 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:50] [INFO ] Deduced a trap composed of 33 places in 395 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:51] [INFO ] Deduced a trap composed of 33 places in 417 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:51] [INFO ] Deduced a trap composed of 33 places in 405 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:51] [INFO ] Deduced a trap composed of 51 places in 408 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:52] [INFO ] Deduced a trap composed of 13 places in 348 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:52] [INFO ] Deduced a trap composed of 13 places in 347 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:53] [INFO ] Deduced a trap composed of 13 places in 369 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:53] [INFO ] Deduced a trap composed of 13 places in 351 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:54] [INFO ] Deduced a trap composed of 35 places in 414 ms of which 58 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/1088 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:55] [INFO ] Deduced a trap composed of 49 places in 403 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:56] [INFO ] Deduced a trap composed of 65 places in 406 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:56] [INFO ] Deduced a trap composed of 71 places in 383 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:56] [INFO ] Deduced a trap composed of 73 places in 367 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:57] [INFO ] Deduced a trap composed of 75 places in 293 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:57] [INFO ] Deduced a trap composed of 33 places in 389 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:58] [INFO ] Deduced a trap composed of 33 places in 416 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:58] [INFO ] Deduced a trap composed of 51 places in 428 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:59] [INFO ] Deduced a trap composed of 69 places in 457 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:59] [INFO ] Deduced a trap composed of 15 places in 346 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:51:59] [INFO ] Deduced a trap composed of 57 places in 379 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:00] [INFO ] Deduced a trap composed of 27 places in 425 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:01] [INFO ] Deduced a trap composed of 17 places in 392 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:01] [INFO ] Deduced a trap composed of 19 places in 389 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:01] [INFO ] Deduced a trap composed of 21 places in 411 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:02] [INFO ] Deduced a trap composed of 23 places in 409 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:02] [INFO ] Deduced a trap composed of 25 places in 349 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:03] [INFO ] Deduced a trap composed of 51 places in 436 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:03] [INFO ] Deduced a trap composed of 51 places in 443 ms of which 69 ms to minimize.
SMT process timed out in 60916ms, After SMT, problems are : Problem set: 0 solved, 2192 unsolved
Search for dead transitions found 0 dead transitions in 60919ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75392 ms. Remains : 1088/1088 places, 2200/2200 transitions.
[2026-05-25 14:52:03] [INFO ] Flatten gal took : 112 ms
[2026-05-25 14:52:03] [INFO ] Flatten gal took : 76 ms
[2026-05-25 14:52:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16087773621718075165.gal : 7 ms
[2026-05-25 14:52:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1070436876126682411.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16087773621718075165.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1070436876126682411.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (8 resets) in 1552 ms. (25 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality1070436876126682411.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 610 ms. (65 steps per ms) remains 2/2 properties
BEST_FIRST walk for 30363 steps (6 resets) in 250 ms. (120 steps per ms) remains 0/2 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA Peterson-COL-7-UpperBounds-03 8 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Peterson-COL-7-UpperBounds-03 in 212833 ms.
[2026-05-25 14:52:04] [INFO ] Flatten gal took : 42 ms
[2026-05-25 14:52:04] [INFO ] Applying decomposition
[2026-05-25 14:52:04] [INFO ] Flatten gal took : 42 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/graph10196795315947197703.txt' '-o' '/tmp/graph10196795315947197703.bin' '-w' '/tmp/graph10196795315947197703.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10196795315947197703.bin' '-l' '-1' '-v' '-w' '/tmp/graph10196795315947197703.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:52:04] [INFO ] Decomposing Gal with order
[2026-05-25 14:52:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:52:04] [INFO ] Removed a total of 3174 redundant transitions.
[2026-05-25 14:52:04] [INFO ] Flatten gal took : 84 ms
[2026-05-25 14:52:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 91 labels/synchronizations in 40 ms.
[2026-05-25 14:52:04] [INFO ] Time to serialize gal into /tmp/UpperBounds8408035246469522209.gal : 12 ms
[2026-05-25 14:52:04] [INFO ] Time to serialize properties into /tmp/UpperBounds8744905528381096278.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/UpperBounds8408035246469522209.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8744905528381096278.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/UpperBounds8744905528381096278.prop.
Detected timeout of ITS tools.
[2026-05-25 15:17:28] [INFO ] Applying decomposition
[2026-05-25 15:17:29] [INFO ] Flatten gal took : 348 ms
[2026-05-25 15:17:29] [INFO ] Decomposing Gal with order
[2026-05-25 15:17:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 15:17:30] [INFO ] Removed a total of 3336 redundant transitions.
[2026-05-25 15:17:30] [INFO ] Flatten gal took : 502 ms
[2026-05-25 15:17:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 62 ms.
[2026-05-25 15:17:30] [INFO ] Time to serialize gal into /tmp/UpperBounds6721038109135208688.gal : 35 ms
[2026-05-25 15:17:30] [INFO ] Time to serialize properties into /tmp/UpperBounds11191843301005282265.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds6721038109135208688.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds11191843301005282265.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/UpperBounds11191843301005282265.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="Peterson-COL-7"
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 Peterson-COL-7, 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 r207-tall-177969919700087"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-7.tgz
mv Peterson-COL-7 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 ;