About the Execution of 2025-gold for PolyORBLF-COL-S02J06T08
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16191.380 | 3600000.00 | 3767528.00 | 140381.50 | 8 ? 7 0 10 1 1 1 2 2 1 10 1 1 1 ? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r223-smll-177969946300038.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is PolyORBLF-COL-S02J06T08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-smll-177969946300038
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 8.2K Mar 8 15:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 8 15:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Mar 8 15:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 29K Mar 8 15:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Mar 16 08:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 16 08:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 16 08:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 8 15:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 8 15:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 8 15:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 8 15:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 16 08:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 16 08:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 154K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-00
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-01
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-02
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-03
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-04
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-05
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-06
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-07
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-08
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-09
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-10
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-11
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-12
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-13
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-14
FORMULA_NAME PolyORBLF-COL-S02J06T08-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779811345007
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-COL-S02J06T08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-05-26 16:02:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 16:02:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 16:02:27] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-26 16:02:28] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 16:02:29] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1351 ms
[2026-05-26 16:02:29] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 690 PT places and 1492.0 transition bindings in 140 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
[2026-05-26 16:02:29] [INFO ] Built PT skeleton of HLPN with 81 places and 65 transitions 254 arcs in 9 ms.
[2026-05-26 16:02:29] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Normalized transition count is 64 out of 65 initially.
// Phase 1: matrix 64 rows 81 cols
[2026-05-26 16:02:29] [INFO ] Computed 26 invariants in 25 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[1, 0, 0, 0, 10, 0, 0, 0, 2, 0, 1, 10, 0, 1, 0, 0] Max Struct:[8, 20, 8, 3, 10, 8, 1, 8, 2, 2, 1, 20, 3, 3, 2, 28]
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-08 2 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-04 10 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-26 16:02:29] [INFO ] Flow matrix only has 64 transitions (discarded 1 similar events)
// Phase 1: matrix 64 rows 81 cols
[2026-05-26 16:02:29] [INFO ] Computed 26 invariants in 4 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:29] [INFO ] [Real]Absence check using 11 positive place invariants in 18 ms returned sat
[2026-05-26 16:02:29] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 16 ms returned sat
[2026-05-26 16:02:30] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2026-05-26 16:02:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:30] [INFO ] [Nat]Absence check using 11 positive place invariants in 9 ms returned sat
[2026-05-26 16:02:30] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 16:02:30] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2026-05-26 16:02:30] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 16:02:30] [INFO ] [Nat]Added 8 Read/Feed constraints in 15 ms returned sat
[2026-05-26 16:02:30] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 20 ms.
[2026-05-26 16:02:30] [INFO ] Added : 10 causal constraints over 2 iterations in 132 ms. Result :sat
Minimization took 53 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:30] [INFO ] [Real]Absence check using 11 positive place invariants in 59 ms returned sat
[2026-05-26 16:02:30] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 12 ms returned sat
[2026-05-26 16:02:30] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2026-05-26 16:02:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 11 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 9 ms returned sat
[2026-05-26 16:02:31] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 16:02:31] [INFO ] Added : 7 causal constraints over 2 iterations in 42 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:31] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 16:02:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 11 ms returned sat
[2026-05-26 16:02:31] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-26 16:02:31] [INFO ] Added : 10 causal constraints over 2 iterations in 49 ms. Result :sat
Minimization took 43 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:31] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 16:02:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-26 16:02:31] [INFO ] [Nat]Added 8 Read/Feed constraints in 39 ms returned sat
[2026-05-26 16:02:31] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 16:02:32] [INFO ] Added : 58 causal constraints over 12 iterations in 262 ms. Result :sat
Minimization took 101 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:32] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 16:02:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:32] [INFO ] [Nat]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Nat]Added 8 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:02:32] [INFO ] Deduced a trap composed of 17 places in 78 ms of which 19 ms to minimize.
[2026-05-26 16:02:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 105 ms
[2026-05-26 16:02:32] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 16:02:32] [INFO ] Added : 26 causal constraints over 6 iterations in 90 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:32] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-26 16:02:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:32] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2026-05-26 16:02:32] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-26 16:02:32] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-26 16:02:33] [INFO ] Added : 54 causal constraints over 11 iterations in 147 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:33] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-26 16:02:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:33] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-26 16:02:33] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:02:33] [INFO ] Deduced a trap composed of 18 places in 84 ms of which 6 ms to minimize.
[2026-05-26 16:02:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 101 ms
[2026-05-26 16:02:33] [INFO ] Added : 57 causal constraints over 12 iterations in 267 ms. Result :sat
Minimization took 37 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:33] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-26 16:02:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:33] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2026-05-26 16:02:33] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-26 16:02:33] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 16:02:34] [INFO ] Added : 54 causal constraints over 11 iterations in 155 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 2 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using 11 positive place invariants in 17 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 16 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Real]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-26 16:02:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Nat]Added 8 Read/Feed constraints in 20 ms returned sat
[2026-05-26 16:02:34] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 16:02:34] [INFO ] Added : 7 causal constraints over 2 iterations in 55 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 16:02:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:34] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 5 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2026-05-26 16:02:34] [INFO ] [Nat]Added 8 Read/Feed constraints in 10 ms returned sat
[2026-05-26 16:02:34] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-26 16:02:34] [INFO ] Added : 61 causal constraints over 15 iterations in 171 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:35] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 16:02:35] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 16:02:35] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-26 16:02:35] [INFO ] [Real]Added 8 Read/Feed constraints in 4 ms returned sat
[2026-05-26 16:02:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:35] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 16:02:35] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 16:02:35] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-26 16:02:35] [INFO ] [Nat]Added 8 Read/Feed constraints in 8 ms returned sat
[2026-05-26 16:02:35] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 16:02:35] [INFO ] Added : 25 causal constraints over 6 iterations in 90 ms. Result :sat
Minimization took 84 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[1, 0, 0, 0, 0, 0, 0, 0, 10, 0, 1, 0, 0] Max Struct:[8, 20, 8, 3, 8, 1, 8, 2, 10, 3, 1, 2, 28]
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-11 10 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
Transition T_2315 forces synchronizations/join behavior on parameter t of sort Threads
Transition GoPerformWork forces synchronizations/join behavior on parameter j of sort Jobs
Transition T_0376 forces synchronizations/join behavior on parameter s of sort Sources
[2026-05-26 16:02:35] [INFO ] Unfolded HLPN to a Petri net with 690 places and 1434 transitions 6564 arcs in 66 ms.
[2026-05-26 16:02:35] [INFO ] Unfolded 11 HLPN properties in 0 ms.
Ensure Unique test removed 128 transitions
Reduce redundant transitions removed 128 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 20, 8, 3, 8, 1, 8, 2, 3, 2, 28]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 20, 8, 3, 8, 1, 8, 2, 3, 2, 28]
[2026-05-26 16:02:35] [INFO ] Flow matrix only has 1290 transitions (discarded 16 similar events)
// Phase 1: matrix 1290 rows 690 cols
[2026-05-26 16:02:35] [INFO ] Computed 54 invariants in 79 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 20, 8, 3, 8, 1, 8, 2, 3, 2, 28]
RANDOM walk for 10000 steps (2 resets) in 152 ms. (65 steps per ms)
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-09 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-00 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80003 steps (17 resets) in 465 ms. (171 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 7, 0, 1, 1, 1, 1, 2] Max Struct:[20, 8, 3, 8, 8, 3, 2, 28]
[2026-05-26 16:02:36] [INFO ] Flow matrix only has 1290 transitions (discarded 16 similar events)
[2026-05-26 16:02:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:36] [INFO ] [Real]Absence check using 16 positive place invariants in 18 ms returned sat
[2026-05-26 16:02:36] [INFO ] [Real]Absence check using 16 positive and 38 generalized place invariants in 37 ms returned sat
[2026-05-26 16:02:37] [INFO ] [Real]Absence check using state equation in 677 ms returned sat
[2026-05-26 16:02:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:37] [INFO ] [Nat]Absence check using 16 positive place invariants in 18 ms returned sat
[2026-05-26 16:02:37] [INFO ] [Nat]Absence check using 16 positive and 38 generalized place invariants in 55 ms returned sat
[2026-05-26 16:02:38] [INFO ] [Nat]Absence check using state equation in 1323 ms returned sat
[2026-05-26 16:02:38] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:02:39] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 16:02:39] [INFO ] [Nat]Added 96 Read/Feed constraints in 1001 ms returned sat
[2026-05-26 16:02:39] [INFO ] Computed and/alt/rep : 824/3142/816 causal constraints (skipped 472 transitions) in 152 ms.
[2026-05-26 16:02:42] [INFO ] Added : 50 causal constraints over 10 iterations in 2416 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:42] [INFO ] [Real]Absence check using 16 positive place invariants in 21 ms returned sat
[2026-05-26 16:02:42] [INFO ] [Real]Absence check using 16 positive and 38 generalized place invariants in 48 ms returned sat
[2026-05-26 16:02:43] [INFO ] [Real]Absence check using state equation in 1079 ms returned sat
[2026-05-26 16:02:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:43] [INFO ] [Nat]Absence check using 16 positive place invariants in 18 ms returned sat
[2026-05-26 16:02:43] [INFO ] [Nat]Absence check using 16 positive and 38 generalized place invariants in 49 ms returned sat
[2026-05-26 16:02:44] [INFO ] [Nat]Absence check using state equation in 1170 ms returned sat
[2026-05-26 16:02:45] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 16:02:45] [INFO ] [Nat]Added 96 Read/Feed constraints in 1018 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:46] [INFO ] [Real]Absence check using 16 positive place invariants in 18 ms returned sat
[2026-05-26 16:02:46] [INFO ] [Real]Absence check using 16 positive and 38 generalized place invariants in 44 ms returned sat
[2026-05-26 16:02:46] [INFO ] [Real]Absence check using state equation in 743 ms returned sat
[2026-05-26 16:02:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:47] [INFO ] [Nat]Absence check using 16 positive place invariants in 19 ms returned sat
[2026-05-26 16:02:47] [INFO ] [Nat]Absence check using 16 positive and 38 generalized place invariants in 47 ms returned sat
[2026-05-26 16:02:48] [INFO ] [Nat]Absence check using state equation in 1696 ms returned sat
[2026-05-26 16:02:49] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 16:02:49] [INFO ] [Nat]Added 96 Read/Feed constraints in 1014 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:49] [INFO ] [Real]Absence check using 16 positive place invariants in 23 ms returned sat
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive and 38 generalized place invariants in 32 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive place invariants in 18 ms returned sat
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive and 38 generalized place invariants in 35 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive place invariants in 18 ms returned sat
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive and 38 generalized place invariants in 33 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive place invariants in 26 ms returned sat
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive and 38 generalized place invariants in 52 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive place invariants in 18 ms returned sat
[2026-05-26 16:02:50] [INFO ] [Real]Absence check using 16 positive and 38 generalized place invariants in 37 ms returned sat
[2026-05-26 16:02:51] [INFO ] [Real]Absence check using state equation in 1011 ms returned sat
[2026-05-26 16:02:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:02:52] [INFO ] [Nat]Absence check using 16 positive place invariants in 20 ms returned sat
[2026-05-26 16:02:52] [INFO ] [Nat]Absence check using 16 positive and 38 generalized place invariants in 42 ms returned sat
[2026-05-26 16:02:53] [INFO ] [Nat]Absence check using state equation in 1745 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 7, 0, 1, 1, 1, 1, 2] Max Struct:[20, 8, 3, 1, 1, 1, 1, 28]
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 7, 0, 2] Max Struct:[20, 8, 3, 28]
Support contains 25 out of 690 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 690/690 places, 1306/1306 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 688 transition count 1242
Reduce places removed 64 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 72 rules applied. Total rules applied 138 place count 624 transition count 1234
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 146 place count 616 transition count 1234
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 80 Pre rules applied. Total rules applied 146 place count 616 transition count 1154
Deduced a syphon composed of 80 places in 4 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 3 with 160 rules applied. Total rules applied 306 place count 536 transition count 1154
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 4 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 418 place count 480 transition count 1098
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 3 with 8 rules applied. Total rules applied 426 place count 480 transition count 1090
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 434 place count 472 transition count 1090
Applied a total of 434 rules in 441 ms. Remains 472 /690 variables (removed 218) and now considering 1090/1306 (removed 216) transitions.
Running 1088 sub problems to find dead transitions.
[2026-05-26 16:02:54] [INFO ] Flow matrix only has 1074 transitions (discarded 16 similar events)
// Phase 1: matrix 1074 rows 472 cols
[2026-05-26 16:02:54] [INFO ] Computed 52 invariants in 39 ms
[2026-05-26 16:02:54] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1088 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 37/50 constraints. Problems are: Problem set: 0 solved, 1088 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:12] [INFO ] Deduced a trap composed of 46 places in 190 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:12] [INFO ] Deduced a trap composed of 46 places in 109 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:12] [INFO ] Deduced a trap composed of 46 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:13] [INFO ] Deduced a trap composed of 46 places in 89 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:13] [INFO ] Deduced a trap composed of 46 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:13] [INFO ] Deduced a trap composed of 46 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:13] [INFO ] Deduced a trap composed of 46 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:14] [INFO ] Deduced a trap composed of 153 places in 632 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:14] [INFO ] Deduced a trap composed of 160 places in 545 ms of which 92 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 9.0)
(s1 1.0)
(s2 0.0)
(s3 1.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 1.0)
(s11 0.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 470/1546 variables, and 59 constraints, problems are : Problem set: 0 solved, 1088 unsolved in 20071 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 37/39 constraints, State Equation: 0/472 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1088/1088 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1088 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1088 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 37/50 constraints. Problems are: Problem set: 0 solved, 1088 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/470 variables, 9/59 constraints. Problems are: Problem set: 0 solved, 1088 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:23] [INFO ] Deduced a trap composed of 46 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:03:31] [INFO ] Deduced a trap composed of 31 places in 343 ms of which 43 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 470/1546 variables, and 61 constraints, problems are : Problem set: 0 solved, 1088 unsolved in 20039 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 37/39 constraints, State Equation: 0/472 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1088 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42228ms problems are : Problem set: 0 solved, 1088 unsolved
Search for dead transitions found 0 dead transitions in 42271ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42758 ms. Remains : 472/690 places, 1090/1306 transitions.
[2026-05-26 16:03:36] [INFO ] Flow matrix only has 1074 transitions (discarded 16 similar events)
[2026-05-26 16:03:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 7, 0, 2] Max Struct:[20, 8, 3, 28]
RANDOM walk for 1000000 steps (400 resets) in 5171 ms. (193 steps per ms)
BEST_FIRST walk for 4000003 steps (495 resets) in 8721 ms. (458 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 7, 0, 2] Max Struct:[20, 8, 3, 28]
[2026-05-26 16:03:50] [INFO ] Flow matrix only has 1074 transitions (discarded 16 similar events)
[2026-05-26 16:03:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:03:51] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2026-05-26 16:03:51] [INFO ] [Real]Absence check using 13 positive and 39 generalized place invariants in 65 ms returned sat
[2026-05-26 16:03:51] [INFO ] [Real]Absence check using state equation in 719 ms returned sat
[2026-05-26 16:03:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:03:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 21 ms returned sat
[2026-05-26 16:03:52] [INFO ] [Nat]Absence check using 13 positive and 39 generalized place invariants in 51 ms returned sat
[2026-05-26 16:03:52] [INFO ] [Nat]Absence check using state equation in 776 ms returned sat
[2026-05-26 16:03:52] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:03:53] [INFO ] [Nat]Added 96 Read/Feed constraints in 459 ms returned sat
[2026-05-26 16:03:53] [INFO ] Computed and/alt/rep : 480/1662/472 causal constraints (skipped 600 transitions) in 139 ms.
[2026-05-26 16:03:54] [INFO ] Added : 32 causal constraints over 7 iterations in 917 ms. Result :sat
Minimization took 4520 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:03:58] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-05-26 16:03:58] [INFO ] [Real]Absence check using 13 positive and 39 generalized place invariants in 40 ms returned sat
[2026-05-26 16:03:59] [INFO ] [Real]Absence check using state equation in 682 ms returned sat
[2026-05-26 16:03:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:03:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 14 ms returned sat
[2026-05-26 16:03:59] [INFO ] [Nat]Absence check using 13 positive and 39 generalized place invariants in 52 ms returned sat
[2026-05-26 16:04:00] [INFO ] [Nat]Absence check using state equation in 1040 ms returned sat
[2026-05-26 16:04:01] [INFO ] [Nat]Added 96 Read/Feed constraints in 1012 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:04:02] [INFO ] Deduced a trap composed of 34 places in 474 ms of which 55 ms to minimize.
[2026-05-26 16:04:02] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 529 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:02] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2026-05-26 16:04:02] [INFO ] [Real]Absence check using 13 positive and 39 generalized place invariants in 38 ms returned sat
[2026-05-26 16:04:03] [INFO ] [Real]Absence check using state equation in 576 ms returned sat
[2026-05-26 16:04:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:03] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-05-26 16:04:03] [INFO ] [Nat]Absence check using 13 positive and 39 generalized place invariants in 49 ms returned sat
[2026-05-26 16:04:04] [INFO ] [Nat]Absence check using state equation in 659 ms returned sat
[2026-05-26 16:04:04] [INFO ] [Nat]Added 96 Read/Feed constraints in 841 ms returned sat
[2026-05-26 16:04:05] [INFO ] Computed and/alt/rep : 480/1662/472 causal constraints (skipped 600 transitions) in 157 ms.
[2026-05-26 16:04:06] [INFO ] Added : 40 causal constraints over 8 iterations in 1621 ms. Result :sat
Minimization took 4159 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:10] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-05-26 16:04:10] [INFO ] [Real]Absence check using 13 positive and 39 generalized place invariants in 36 ms returned sat
[2026-05-26 16:04:11] [INFO ] [Real]Absence check using state equation in 726 ms returned sat
[2026-05-26 16:04:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 14 ms returned sat
[2026-05-26 16:04:11] [INFO ] [Nat]Absence check using 13 positive and 39 generalized place invariants in 36 ms returned sat
[2026-05-26 16:04:12] [INFO ] [Nat]Absence check using state equation in 586 ms returned sat
[2026-05-26 16:04:13] [INFO ] [Nat]Added 96 Read/Feed constraints in 625 ms returned sat
[2026-05-26 16:04:13] [INFO ] Computed and/alt/rep : 480/1662/472 causal constraints (skipped 600 transitions) in 74 ms.
[2026-05-26 16:04:15] [INFO ] Added : 48 causal constraints over 10 iterations in 1910 ms. Result :sat
Minimization took 4161 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 7, 0, 2] Max Struct:[20, 7, 3, 28]
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-02 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
Support contains 17 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1090/1090 transitions.
Applied a total of 0 rules in 37 ms. Remains 472 /472 variables (removed 0) and now considering 1090/1090 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 472/472 places, 1090/1090 transitions.
[2026-05-26 16:04:20] [INFO ] Flow matrix only has 1074 transitions (discarded 16 similar events)
[2026-05-26 16:04:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
RANDOM walk for 1000000 steps (400 resets) in 4548 ms. (219 steps per ms)
BEST_FIRST walk for 3000001 steps (525 resets) in 6524 ms. (459 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
[2026-05-26 16:04:31] [INFO ] Flow matrix only has 1074 transitions (discarded 16 similar events)
[2026-05-26 16:04:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:31] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2026-05-26 16:04:31] [INFO ] [Real]Absence check using 13 positive and 39 generalized place invariants in 62 ms returned sat
[2026-05-26 16:04:32] [INFO ] [Real]Absence check using state equation in 864 ms returned sat
[2026-05-26 16:04:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-05-26 16:04:32] [INFO ] [Nat]Absence check using 13 positive and 39 generalized place invariants in 34 ms returned sat
[2026-05-26 16:04:33] [INFO ] [Nat]Absence check using state equation in 834 ms returned sat
[2026-05-26 16:04:33] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:04:33] [INFO ] [Nat]Added 96 Read/Feed constraints in 448 ms returned sat
[2026-05-26 16:04:34] [INFO ] Computed and/alt/rep : 480/1662/472 causal constraints (skipped 600 transitions) in 103 ms.
[2026-05-26 16:04:34] [INFO ] Added : 32 causal constraints over 7 iterations in 958 ms. Result :sat
Minimization took 4512 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:39] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-05-26 16:04:39] [INFO ] [Real]Absence check using 13 positive and 39 generalized place invariants in 34 ms returned sat
[2026-05-26 16:04:40] [INFO ] [Real]Absence check using state equation in 581 ms returned sat
[2026-05-26 16:04:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 16 ms returned sat
[2026-05-26 16:04:40] [INFO ] [Nat]Absence check using 13 positive and 39 generalized place invariants in 44 ms returned sat
[2026-05-26 16:04:40] [INFO ] [Nat]Absence check using state equation in 625 ms returned sat
[2026-05-26 16:04:41] [INFO ] [Nat]Added 96 Read/Feed constraints in 872 ms returned sat
[2026-05-26 16:04:41] [INFO ] Computed and/alt/rep : 480/1662/472 causal constraints (skipped 600 transitions) in 89 ms.
[2026-05-26 16:04:43] [INFO ] Added : 40 causal constraints over 8 iterations in 1312 ms. Result :sat
Minimization took 4508 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:47] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2026-05-26 16:04:47] [INFO ] [Real]Absence check using 13 positive and 39 generalized place invariants in 32 ms returned sat
[2026-05-26 16:04:48] [INFO ] [Real]Absence check using state equation in 639 ms returned sat
[2026-05-26 16:04:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:04:48] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-05-26 16:04:48] [INFO ] [Nat]Absence check using 13 positive and 39 generalized place invariants in 30 ms returned sat
[2026-05-26 16:04:49] [INFO ] [Nat]Absence check using state equation in 689 ms returned sat
[2026-05-26 16:04:49] [INFO ] [Nat]Added 96 Read/Feed constraints in 596 ms returned sat
[2026-05-26 16:04:50] [INFO ] Computed and/alt/rep : 480/1662/472 causal constraints (skipped 600 transitions) in 83 ms.
[2026-05-26 16:04:52] [INFO ] Added : 48 causal constraints over 10 iterations in 2128 ms. Result :sat
Minimization took 4312 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
Support contains 17 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1090/1090 transitions.
Applied a total of 0 rules in 36 ms. Remains 472 /472 variables (removed 0) and now considering 1090/1090 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 472/472 places, 1090/1090 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1090/1090 transitions.
Applied a total of 0 rules in 33 ms. Remains 472 /472 variables (removed 0) and now considering 1090/1090 (removed 0) transitions.
[2026-05-26 16:04:57] [INFO ] Flow matrix only has 1074 transitions (discarded 16 similar events)
[2026-05-26 16:04:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:04:58] [INFO ] Implicit Places using invariants in 1369 ms returned [426, 427, 428, 429, 430, 431, 432, 433]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 1376 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 464/472 places, 1090/1090 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 456 transition count 1082
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 456 transition count 1082
Applied a total of 16 rules in 74 ms. Remains 456 /464 variables (removed 8) and now considering 1082/1090 (removed 8) transitions.
[2026-05-26 16:04:58] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
// Phase 1: matrix 1066 rows 456 cols
[2026-05-26 16:04:58] [INFO ] Computed 44 invariants in 39 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:04:59] [INFO ] Implicit Places using invariants in 1089 ms returned []
[2026-05-26 16:04:59] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:05:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:05:00] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:05:09] [INFO ] Implicit Places using invariants and state equation in 9219 ms returned []
Implicit Place search using SMT with State Equation took 10311 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 456/472 places, 1082/1090 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 11795 ms. Remains : 456/472 places, 1082/1090 transitions.
[2026-05-26 16:05:09] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:05:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
RANDOM walk for 1000000 steps (401 resets) in 4227 ms. (236 steps per ms)
BEST_FIRST walk for 3000002 steps (487 resets) in 6297 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
[2026-05-26 16:05:19] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:05:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:05:19] [INFO ] [Real]Absence check using 15 positive place invariants in 22 ms returned sat
[2026-05-26 16:05:19] [INFO ] [Real]Absence check using 15 positive and 29 generalized place invariants in 37 ms returned sat
[2026-05-26 16:05:20] [INFO ] [Real]Absence check using state equation in 591 ms returned sat
[2026-05-26 16:05:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:05:20] [INFO ] [Nat]Absence check using 15 positive place invariants in 15 ms returned sat
[2026-05-26 16:05:20] [INFO ] [Nat]Absence check using 15 positive and 29 generalized place invariants in 25 ms returned sat
[2026-05-26 16:05:21] [INFO ] [Nat]Absence check using state equation in 592 ms returned sat
[2026-05-26 16:05:21] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:05:21] [INFO ] [Nat]Added 96 Read/Feed constraints in 615 ms returned sat
[2026-05-26 16:05:22] [INFO ] Computed and/alt/rep : 464/1581/456 causal constraints (skipped 608 transitions) in 96 ms.
[2026-05-26 16:05:23] [INFO ] Added : 27 causal constraints over 6 iterations in 1297 ms. Result :sat
Minimization took 4893 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:05:28] [INFO ] [Real]Absence check using 15 positive place invariants in 14 ms returned sat
[2026-05-26 16:05:28] [INFO ] [Real]Absence check using 15 positive and 29 generalized place invariants in 27 ms returned sat
[2026-05-26 16:05:28] [INFO ] [Real]Absence check using state equation in 610 ms returned sat
[2026-05-26 16:05:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:05:29] [INFO ] [Nat]Absence check using 15 positive place invariants in 13 ms returned sat
[2026-05-26 16:05:29] [INFO ] [Nat]Absence check using 15 positive and 29 generalized place invariants in 21 ms returned sat
[2026-05-26 16:05:30] [INFO ] [Nat]Absence check using state equation in 1002 ms returned sat
[2026-05-26 16:05:30] [INFO ] [Nat]Added 96 Read/Feed constraints in 400 ms returned sat
[2026-05-26 16:05:30] [INFO ] Computed and/alt/rep : 464/1581/456 causal constraints (skipped 608 transitions) in 94 ms.
[2026-05-26 16:05:31] [INFO ] Added : 20 causal constraints over 4 iterations in 629 ms. Result :sat
Minimization took 5022 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:05:36] [INFO ] [Real]Absence check using 15 positive place invariants in 14 ms returned sat
[2026-05-26 16:05:36] [INFO ] [Real]Absence check using 15 positive and 29 generalized place invariants in 26 ms returned sat
[2026-05-26 16:05:36] [INFO ] [Real]Absence check using state equation in 672 ms returned sat
[2026-05-26 16:05:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:05:37] [INFO ] [Nat]Absence check using 15 positive place invariants in 22 ms returned sat
[2026-05-26 16:05:37] [INFO ] [Nat]Absence check using 15 positive and 29 generalized place invariants in 38 ms returned sat
[2026-05-26 16:05:37] [INFO ] [Nat]Absence check using state equation in 515 ms returned sat
[2026-05-26 16:05:38] [INFO ] [Nat]Added 96 Read/Feed constraints in 951 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:05:39] [INFO ] Deduced a trap composed of 145 places in 497 ms of which 88 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:05:39] [INFO ] Deduced a trap composed of 19 places in 529 ms of which 47 ms to minimize.
[2026-05-26 16:05:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1591 ms
[2026-05-26 16:05:40] [INFO ] Computed and/alt/rep : 464/1581/456 causal constraints (skipped 608 transitions) in 97 ms.
[2026-05-26 16:05:41] [INFO ] Added : 19 causal constraints over 4 iterations in 750 ms. Result :sat
Minimization took 4984 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 0, 2] Max Struct:[20, 3, 28]
Support contains 17 out of 456 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 456/456 places, 1082/1082 transitions.
Applied a total of 0 rules in 35 ms. Remains 456 /456 variables (removed 0) and now considering 1082/1082 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 456/456 places, 1082/1082 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 456/456 places, 1082/1082 transitions.
Applied a total of 0 rules in 38 ms. Remains 456 /456 variables (removed 0) and now considering 1082/1082 (removed 0) transitions.
[2026-05-26 16:05:46] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:05:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:05:47] [INFO ] Implicit Places using invariants in 1312 ms returned []
[2026-05-26 16:05:47] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:05:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:05:48] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:05:57] [INFO ] Implicit Places using invariants and state equation in 9846 ms returned []
Implicit Place search using SMT with State Equation took 11166 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 16:05:57] [INFO ] Redundant transitions in 102 ms returned []
Running 1080 sub problems to find dead transitions.
[2026-05-26 16:05:57] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:05:57] [INFO ] Invariant cache hit.
[2026-05-26 16:05:57] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:14] [INFO ] Deduced a trap composed of 46 places in 224 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:14] [INFO ] Deduced a trap composed of 46 places in 141 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:14] [INFO ] Deduced a trap composed of 46 places in 85 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:15] [INFO ] Deduced a trap composed of 46 places in 88 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:15] [INFO ] Deduced a trap composed of 46 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:15] [INFO ] Deduced a trap composed of 46 places in 90 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:15] [INFO ] Deduced a trap composed of 46 places in 102 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:16] [INFO ] Deduced a trap composed of 153 places in 787 ms of which 190 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:17] [INFO ] Deduced a trap composed of 160 places in 760 ms of which 179 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:17] [INFO ] Deduced a trap composed of 145 places in 648 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:18] [INFO ] Deduced a trap composed of 19 places in 658 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:18] [INFO ] Deduced a trap composed of 46 places in 64 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 454/1522 variables, and 54 constraints, problems are : Problem set: 0 solved, 1080 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/456 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1080/1080 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 12/54 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:06:43] [INFO ] Deduced a trap composed of 31 places in 366 ms of which 46 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 454/1522 variables, and 55 constraints, problems are : Problem set: 0 solved, 1080 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/456 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1080 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61132ms problems are : Problem set: 0 solved, 1080 unsolved
Search for dead transitions found 0 dead transitions in 61137ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72468 ms. Remains : 456/456 places, 1082/1082 transitions.
[2026-05-26 16:06:59] [INFO ] Flatten gal took : 354 ms
RANDOM walk for 40000 steps (15 resets) in 2141 ms. (18 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (13 resets) in 545 ms. (73 steps per ms) remains 6/6 properties
[2026-05-26 16:06:59] [INFO ] Flatten gal took : 299 ms
BEST_FIRST walk for 40003 steps (13 resets) in 494 ms. (80 steps per ms) remains 6/6 properties
[2026-05-26 16:06:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15876087712252013403.gal : 127 ms
[2026-05-26 16:06:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11736637062012552979.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/ReachabilityCardinality15876087712252013403.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11736637062012552979.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 40002 steps (12 resets) in 327 ms. (121 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (15 resets) in 323 ms. (123 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (10 resets) in 277 ms. (143 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (13 resets) in 272 ms. (146 steps per ms) remains 6/6 properties
Loading property file /tmp/ReachabilityCardinality11736637062012552979.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :7 after 10
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :10 after 50
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :50 after 80
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :430 after 2243
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :2243 after 5603
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :5603 after 5950
Interrupted probabilistic random walk after 118705 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 6
Probabilistic random walk after 118705 steps, saw 68361 distinct states, run finished after 3006 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-26 16:07:03] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:07:03] [INFO ] Invariant cache hit.
[2026-05-26 16:07:03] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 182/199 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 25/224 variables, 1/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 14/238 variables, 7/10 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Problem MAX2 is UNSAT
At refinement iteration 7 (OVERLAPS) 209/447 variables, 26/36 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/447 variables, 0/36 constraints. Problems are: Problem set: 2 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 4/451 variables, 4/40 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/451 variables, 0/40 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 3/454 variables, 3/43 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/454 variables, 0/43 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 1066/1520 variables, 454/497 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1520 variables, 96/593 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1520 variables, 0/593 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 2/1522 variables, 2/595 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1522 variables, 1/596 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1522 variables, 0/596 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/1522 variables, 0/596 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1522/1522 variables, and 596 constraints, problems are : Problem set: 2 solved, 4 unsolved in 2708 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 456/456 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 182/199 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 25/224 variables, 1/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 14/238 variables, 7/10 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/10 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 209/447 variables, 26/36 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:06] [INFO ] Deduced a trap composed of 46 places in 403 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :5950 after 9335
[2026-05-26 16:07:06] [INFO ] Deduced a trap composed of 46 places in 231 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:07] [INFO ] Deduced a trap composed of 46 places in 177 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:07] [INFO ] Deduced a trap composed of 46 places in 189 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:07] [INFO ] Deduced a trap composed of 46 places in 92 ms of which 9 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/447 variables, 5/41 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/447 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 4/451 variables, 4/45 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/451 variables, 0/45 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 3/454 variables, 3/48 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:07] [INFO ] Deduced a trap composed of 46 places in 117 ms of which 14 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/454 variables, 1/49 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/454 variables, 0/49 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 1066/1520 variables, 454/503 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1520 variables, 96/599 constraints. Problems are: Problem set: 2 solved, 4 unsolved
Problem MAX1 is UNSAT
Problem MIN1 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/1522 variables, and 603 constraints, problems are : Problem set: 4 solved, 2 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 454/456 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 4/6 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7755ms problems are : Problem set: 4 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 16 out of 456 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 456/456 places, 1082/1082 transitions.
Applied a total of 0 rules in 38 ms. Remains 456 /456 variables (removed 0) and now considering 1082/1082 (removed 0) transitions.
Running 1080 sub problems to find dead transitions.
[2026-05-26 16:07:10] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:07:10] [INFO ] Invariant cache hit.
[2026-05-26 16:07:10] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :9335 after 12216
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,6 properties remain. new max is 8192
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
SDD size :12216 after 169376
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:27] [INFO ] Deduced a trap composed of 46 places in 142 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:27] [INFO ] Deduced a trap composed of 46 places in 107 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:27] [INFO ] Deduced a trap composed of 46 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:27] [INFO ] Deduced a trap composed of 46 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:27] [INFO ] Deduced a trap composed of 46 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:27] [INFO ] Deduced a trap composed of 46 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:28] [INFO ] Deduced a trap composed of 46 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:28] [INFO ] Deduced a trap composed of 153 places in 513 ms of which 118 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:29] [INFO ] Deduced a trap composed of 160 places in 587 ms of which 117 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:29] [INFO ] Deduced a trap composed of 145 places in 441 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:30] [INFO ] Deduced a trap composed of 19 places in 419 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:30] [INFO ] Deduced a trap composed of 46 places in 50 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 454/1522 variables, and 54 constraints, problems are : Problem set: 0 solved, 1080 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/456 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1080/1080 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :169376 after 239168
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 12/54 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:47] [INFO ] Deduced a trap composed of 31 places in 251 ms of which 26 ms to minimize.
Detected timeout of ITS tools.
[2026-05-26 16:07:50] [INFO ] Flatten gal took : 143 ms
[2026-05-26 16:07:50] [INFO ] Applying decomposition
[2026-05-26 16:07:50] [INFO ] Flatten gal took : 90 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/graph1415040766434072957.txt' '-o' '/tmp/graph1415040766434072957.bin' '-w' '/tmp/graph1415040766434072957.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1415040766434072957.bin' '-l' '-1' '-v' '-w' '/tmp/graph1415040766434072957.weights' '-q' '0' '-e' '0.001'
[2026-05-26 16:07:50] [INFO ] Decomposing Gal with order
[2026-05-26 16:07:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 16:07:51] [INFO ] Removed a total of 1015 redundant transitions.
[2026-05-26 16:07:51] [INFO ] Flatten gal took : 647 ms
[2026-05-26 16:07:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 1074 labels/synchronizations in 111 ms.
Error getting values : (error "ParserException while parsing response: ((s0 7)
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(s301 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 454/1522 variables, and 55 constraints, problems are : Problem set: 0 solved, 1080 unsolved in 20034 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/456 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1080 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41282ms problems are : Problem set: 0 solved, 1080 unsolved
Search for dead transitions found 0 dead transitions in 41291ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41336 ms. Remains : 456/456 places, 1082/1082 transitions.
[2026-05-26 16:07:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12462497127428103332.gal : 32 ms
[2026-05-26 16:07:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10076848435941079345.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/ReachabilityCardinality12462497127428103332.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10076848435941079345.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
RANDOM walk for 40000 steps (16 resets) in 614 ms. (65 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (13 resets) in 267 ms. (149 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (10 resets) in 212 ms. (187 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality10076848435941079345.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :8 after 32
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :32 after 38
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :38 after 110
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :110 after 252
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :252 after 465
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :465 after 724
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :724 after 1154
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1154 after 2241
Interrupted probabilistic random walk after 166303 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :0 out of 2
Probabilistic random walk after 166303 steps, saw 94208 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
[2026-05-26 16:07:55] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:07:55] [INFO ] Invariant cache hit.
[2026-05-26 16:07:55] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 183/199 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :2241 after 6728
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 25/224 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 14/238 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 209/447 variables, 26/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/447 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/451 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/451 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/454 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/454 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 1066/1520 variables, 454/497 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1520 variables, 96/593 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1520 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/1522 variables, 2/595 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1522 variables, 1/596 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1522 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1522 variables, 0/596 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1522/1522 variables, and 596 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1483 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 456/456 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 183/199 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/199 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 25/224 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/224 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 14/238 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 209/447 variables, 26/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:57] [INFO ] Deduced a trap composed of 46 places in 307 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:57] [INFO ] Deduced a trap composed of 46 places in 241 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:57] [INFO ] Deduced a trap composed of 46 places in 161 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:58] [INFO ] Deduced a trap composed of 46 places in 108 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:58] [INFO ] Deduced a trap composed of 46 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:07:58] [INFO ] Deduced a trap composed of 46 places in 106 ms of which 13 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/447 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/447 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/451 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/451 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 3/454 variables, 3/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/454 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :6728 after 36984
At refinement iteration 14 (OVERLAPS) 1066/1520 variables, 454/503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1520 variables, 96/599 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1520 variables, 2/601 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1520 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/1522 variables, 2/603 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1522 variables, 1/604 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1522 variables, 0/604 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/1522 variables, 0/604 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1522/1522 variables, and 604 constraints, problems are : Problem set: 0 solved, 2 unsolved in 9981 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 456/456 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11481ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 2661 ms.
Support contains 16 out of 456 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 456/456 places, 1082/1082 transitions.
Applied a total of 0 rules in 24 ms. Remains 456 /456 variables (removed 0) and now considering 1082/1082 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 456/456 places, 1082/1082 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 456/456 places, 1082/1082 transitions.
Applied a total of 0 rules in 22 ms. Remains 456 /456 variables (removed 0) and now considering 1082/1082 (removed 0) transitions.
[2026-05-26 16:08:09] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:08:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:08:10] [INFO ] Implicit Places using invariants in 1113 ms returned []
[2026-05-26 16:08:10] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:08:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:08:11] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :36984 after 67786
[2026-05-26 16:08:20] [INFO ] Implicit Places using invariants and state equation in 10078 ms returned []
Implicit Place search using SMT with State Equation took 11194 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 16:08:20] [INFO ] Redundant transitions in 39 ms returned []
Running 1080 sub problems to find dead transitions.
[2026-05-26 16:08:20] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:08:20] [INFO ] Invariant cache hit.
[2026-05-26 16:08:20] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :67786 after 104412
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:40] [INFO ] Deduced a trap composed of 46 places in 124 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:41] [INFO ] Deduced a trap composed of 46 places in 81 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:41] [INFO ] Deduced a trap composed of 46 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:41] [INFO ] Deduced a trap composed of 46 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:41] [INFO ] Deduced a trap composed of 46 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:41] [INFO ] Deduced a trap composed of 46 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:41] [INFO ] Deduced a trap composed of 46 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:42] [INFO ] Deduced a trap composed of 153 places in 592 ms of which 115 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-26 16:08:42] [INFO ] Deduced a trap composed of 160 places in 729 ms of which 187 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:43] [INFO ] Deduced a trap composed of 145 places in 467 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:43] [INFO ] Deduced a trap composed of 19 places in 579 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:08:44] [INFO ] Deduced a trap composed of 46 places in 57 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 454/1522 variables, and 54 constraints, problems are : Problem set: 0 solved, 1080 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/456 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1080/1080 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 12/54 constraints. Problems are: Problem set: 0 solved, 1080 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:07] [INFO ] Deduced a trap composed of 31 places in 267 ms of which 27 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 454/1522 variables, and 55 constraints, problems are : Problem set: 0 solved, 1080 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/456 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1080 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61016ms problems are : Problem set: 0 solved, 1080 unsolved
Search for dead transitions found 0 dead transitions in 61020ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72289 ms. Remains : 456/456 places, 1082/1082 transitions.
FORMULA PolyORBLF-COL-S02J06T08-UpperBounds-03 0 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[2, 2] Max Struct:[20, 28]
Starting property specific reduction for PolyORBLF-COL-S02J06T08-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:[20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[20]
[2026-05-26 16:09:21] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:09:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[20]
RANDOM walk for 10000 steps (6 resets) in 68 ms. (144 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 35 ms. (277 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[20]
[2026-05-26 16:09:22] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:09:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:09:22] [INFO ] [Real]Absence check using 15 positive place invariants in 16 ms returned sat
[2026-05-26 16:09:22] [INFO ] [Real]Absence check using 15 positive and 29 generalized place invariants in 29 ms returned sat
[2026-05-26 16:09:22] [INFO ] [Real]Absence check using state equation in 573 ms returned sat
[2026-05-26 16:09:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:09:22] [INFO ] [Nat]Absence check using 15 positive place invariants in 23 ms returned sat
[2026-05-26 16:09:22] [INFO ] [Nat]Absence check using 15 positive and 29 generalized place invariants in 38 ms returned sat
[2026-05-26 16:09:23] [INFO ] [Nat]Absence check using state equation in 774 ms returned sat
[2026-05-26 16:09:23] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:09:24] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 16:09:24] [INFO ] [Nat]Added 96 Read/Feed constraints in 637 ms returned sat
[2026-05-26 16:09:24] [INFO ] Computed and/alt/rep : 464/1581/456 causal constraints (skipped 608 transitions) in 78 ms.
[2026-05-26 16:09:25] [INFO ] Added : 21 causal constraints over 5 iterations in 651 ms. Result :sat
Minimization took 544 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[20]
Support contains 8 out of 456 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 456/456 places, 1082/1082 transitions.
Free-agglomeration rule (complex) applied 8 times.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 456 transition count 1074
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 16 place count 448 transition count 1074
Applied a total of 16 rules in 55 ms. Remains 448 /456 variables (removed 8) and now considering 1074/1082 (removed 8) transitions.
Running 1072 sub problems to find dead transitions.
[2026-05-26 16:09:25] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
// Phase 1: matrix 1058 rows 448 cols
[2026-05-26 16:09:25] [INFO ] Computed 44 invariants in 21 ms
[2026-05-26 16:09:25] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:42] [INFO ] Deduced a trap composed of 45 places in 144 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:42] [INFO ] Deduced a trap composed of 45 places in 94 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:42] [INFO ] Deduced a trap composed of 45 places in 81 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:42] [INFO ] Deduced a trap composed of 45 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:42] [INFO ] Deduced a trap composed of 45 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:43] [INFO ] Deduced a trap composed of 45 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:43] [INFO ] Deduced a trap composed of 45 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:44] [INFO ] Deduced a trap composed of 153 places in 800 ms of which 138 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:44] [INFO ] Deduced a trap composed of 160 places in 734 ms of which 138 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:45] [INFO ] Deduced a trap composed of 145 places in 536 ms of which 105 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:45] [INFO ] Deduced a trap composed of 19 places in 512 ms of which 29 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 (/ 29.0 3.0))
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(s287 0.0)
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(s292 0.0)
(s293 (/ 2.0 3.0))
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(s306 (/ 2.0 3.0))
(s309 (/ 1.0 3.0))
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(s328 1.0)
(s329 1.0)
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(s331 (/ 2.0 3.0))
(s332 1.0)
(s333 0.0)
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(s337 0.0)
(s338 0.0)
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(s341 0.0)
(s342 0.0)
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(s344 0.0)
(s345 0.0)
(s346 0.0)
(s347 0.0)
(s348 0.0)
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(s350 0.0)
(s351 0.0)
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(s355 0.0)
(s356 0.0)
(s357 0.0)
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(s359 0.0)
(s360 0.0)
(s361 0.0)
(s362 0.0)
(s363 0.0)
(s364 (/ 1.0 3.0))
(s365 0.0)
(s366 0.0)
(s367 0.0)
(s368 0.0)
(s369 0.0)
(s370 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 446/1506 variables, and 53 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 20039 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1072/1072 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 11/53 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:09:58] [INFO ] Deduced a trap composed of 31 places in 267 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:10:04] [INFO ] Deduced a trap composed of 45 places in 84 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 446/1506 variables, and 55 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 20045 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1072 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41057ms problems are : Problem set: 0 solved, 1072 unsolved
Search for dead transitions found 0 dead transitions in 41061ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41119 ms. Remains : 448/456 places, 1074/1082 transitions.
[2026-05-26 16:10:06] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:10:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[20]
RANDOM walk for 1000000 steps (422 resets) in 5673 ms. (176 steps per ms)
BEST_FIRST walk for 1000001 steps (179 resets) in 2735 ms. (365 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[20]
[2026-05-26 16:10:15] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:10:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:10:15] [INFO ] [Real]Absence check using 15 positive place invariants in 20 ms returned sat
[2026-05-26 16:10:15] [INFO ] [Real]Absence check using 15 positive and 29 generalized place invariants in 35 ms returned sat
[2026-05-26 16:10:15] [INFO ] [Real]Absence check using state equation in 636 ms returned sat
[2026-05-26 16:10:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:10:16] [INFO ] [Nat]Absence check using 15 positive place invariants in 12 ms returned sat
[2026-05-26 16:10:16] [INFO ] [Nat]Absence check using 15 positive and 29 generalized place invariants in 21 ms returned sat
[2026-05-26 16:10:16] [INFO ] [Nat]Absence check using state equation in 675 ms returned sat
[2026-05-26 16:10:16] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:10:17] [INFO ] [Nat]Added 96 Read/Feed constraints in 592 ms returned sat
[2026-05-26 16:10:17] [INFO ] Computed and/alt/rep : 464/1581/456 causal constraints (skipped 600 transitions) in 82 ms.
[2026-05-26 16:10:17] [INFO ] Added : 20 causal constraints over 4 iterations in 533 ms. Result :sat
Minimization took 4512 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[20]
Support contains 8 out of 448 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 20 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 448/448 places, 1074/1074 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 19 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
[2026-05-26 16:10:22] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:10:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:10:24] [INFO ] Implicit Places using invariants in 1637 ms returned []
[2026-05-26 16:10:24] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:10:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:10:25] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:10:39] [INFO ] Implicit Places using invariants and state equation in 15209 ms returned []
Implicit Place search using SMT with State Equation took 16849 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 16:10:39] [INFO ] Redundant transitions in 20 ms returned []
Running 1072 sub problems to find dead transitions.
[2026-05-26 16:10:39] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:10:39] [INFO ] Invariant cache hit.
[2026-05-26 16:10:39] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:00] [INFO ] Deduced a trap composed of 31 places in 444 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:00] [INFO ] Deduced a trap composed of 45 places in 165 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:00] [INFO ] Deduced a trap composed of 45 places in 93 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:00] [INFO ] Deduced a trap composed of 45 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:00] [INFO ] Deduced a trap composed of 45 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:00] [INFO ] Deduced a trap composed of 45 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:00] [INFO ] Deduced a trap composed of 45 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:01] [INFO ] Deduced a trap composed of 45 places in 82 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:02] [INFO ] Deduced a trap composed of 153 places in 901 ms of which 183 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:03] [INFO ] Deduced a trap composed of 160 places in 848 ms of which 162 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:07] [INFO ] Deduced a trap composed of 45 places in 92 ms of which 7 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 (/ 13.0 4.0))
(s1 (/ 27.0 4.0))
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(s174 0.0)
(s175 0.0)
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(s178 9.0)
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(s180 1.0)
(s181 1.0)
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(s187 0.0)
(s188 0.0)
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(s190 0.0)
(s191 (/ 1.0 3.0))
(s192 0.0)
(s193 0.0)
(s194 0.0)
(s195 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 446/1506 variables, and 53 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1072/1072 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 11/53 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 446/1506 variables, and 53 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1072 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61543ms problems are : Problem set: 0 solved, 1072 unsolved
Search for dead transitions found 0 dead transitions in 61550ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78448 ms. Remains : 448/448 places, 1074/1074 transitions.
RANDOM walk for 40000 steps (21 resets) in 3257 ms. (12 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (12 resets) in 327 ms. (121 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (10 resets) in 351 ms. (113 steps per ms) remains 2/2 properties
[2026-05-26 16:11:42] [INFO ] Flatten gal took : 767 ms
[2026-05-26 16:11:42] [INFO ] Flatten gal took : 98 ms
[2026-05-26 16:11:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18017063849042425661.gal : 65 ms
[2026-05-26 16:11:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11142978149553918530.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/ReachabilityCardinality18017063849042425661.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11142978149553918530.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11142978149553918530.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 10
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :10 after 50
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :50 after 80
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :430 after 2145
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2145 after 4840
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4840 after 5332
Interrupted probabilistic random walk after 153970 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :0 out of 2
Probabilistic random walk after 153970 steps, saw 87373 distinct states, run finished after 3001 ms. (steps per millisecond=51 ) properties seen :0
[2026-05-26 16:11:45] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:11:45] [INFO ] Invariant cache hit.
[2026-05-26 16:11:45] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 175/183 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/208 variables, 1/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/222 variables, 7/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 217/439 variables, 26/36 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:45] [INFO ] Deduced a trap composed of 45 places in 241 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:45] [INFO ] Deduced a trap composed of 45 places in 198 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:46] [INFO ] Deduced a trap composed of 45 places in 160 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:46] [INFO ] Deduced a trap composed of 45 places in 132 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:46] [INFO ] Deduced a trap composed of 45 places in 94 ms of which 9 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/439 variables, 5/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/439 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/443 variables, 4/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/443 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 3/446 variables, 3/48 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/446 variables, 0/48 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1058/1504 variables, 446/494 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/1504 variables, 96/590 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1504 variables, 0/590 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/1506 variables, 2/592 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1506 variables, 1/593 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1506 variables, 0/593 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1506 variables, 0/593 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1506/1506 variables, and 593 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2586 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 448/448 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 175/183 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/208 variables, 1/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/222 variables, 7/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 217/439 variables, 26/36 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/439 variables, 5/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:11:48] [INFO ] Deduced a trap composed of 45 places in 89 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/439 variables, 1/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/439 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/443 variables, 4/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/443 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 3/446 variables, 3/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/446 variables, 0/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :5332 after 8658
At refinement iteration 15 (OVERLAPS) 1058/1504 variables, 446/495 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1504/1506 variables, and 591 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2217 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 446/448 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4825ms problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 448 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 25 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
Running 1072 sub problems to find dead transitions.
[2026-05-26 16:11:50] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:11:50] [INFO ] Invariant cache hit.
[2026-05-26 16:11:50] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :8658 after 11894
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:06] [INFO ] Deduced a trap composed of 31 places in 306 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:07] [INFO ] Deduced a trap composed of 45 places in 185 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:07] [INFO ] Deduced a trap composed of 45 places in 111 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:07] [INFO ] Deduced a trap composed of 45 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:07] [INFO ] Deduced a trap composed of 45 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:07] [INFO ] Deduced a trap composed of 45 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:07] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:07] [INFO ] Deduced a trap composed of 45 places in 71 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:08] [INFO ] Deduced a trap composed of 153 places in 599 ms of which 124 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:08] [INFO ] Deduced a trap composed of 160 places in 504 ms of which 142 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :11894 after 164892
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 446/1506 variables, and 52 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1072/1072 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 10/52 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:20] [INFO ] Deduced a trap composed of 45 places in 73 ms of which 5 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :164892 after 225938
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 446/1506 variables, and 53 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1072 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41294ms problems are : Problem set: 0 solved, 1072 unsolved
Search for dead transitions found 0 dead transitions in 41296ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41324 ms. Remains : 448/448 places, 1074/1074 transitions.
RANDOM walk for 40000 steps (16 resets) in 358 ms. (111 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (14 resets) in 164 ms. (242 steps per ms) remains 1/1 properties
Detected timeout of ITS tools.
[2026-05-26 16:12:32] [INFO ] Flatten gal took : 99 ms
[2026-05-26 16:12:32] [INFO ] Applying decomposition
[2026-05-26 16:12:32] [INFO ] Flatten gal took : 96 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/graph14843937937645088854.txt' '-o' '/tmp/graph14843937937645088854.bin' '-w' '/tmp/graph14843937937645088854.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14843937937645088854.bin' '-l' '-1' '-v' '-w' '/tmp/graph14843937937645088854.weights' '-q' '0' '-e' '0.001'
[2026-05-26 16:12:33] [INFO ] Decomposing Gal with order
[2026-05-26 16:12:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 16:12:33] [INFO ] Removed a total of 931 redundant transitions.
[2026-05-26 16:12:33] [INFO ] Flatten gal took : 300 ms
[2026-05-26 16:12:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 1034 labels/synchronizations in 70 ms.
[2026-05-26 16:12:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16582398985208559027.gal : 20 ms
[2026-05-26 16:12:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5429184821925611917.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/ReachabilityCardinality16582398985208559027.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5429184821925611917.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/ReachabilityCardinality5429184821925611917.prop.
Interrupted probabilistic random walk after 246509 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :0 out of 1
Probabilistic random walk after 246509 steps, saw 136791 distinct states, run finished after 3001 ms. (steps per millisecond=82 ) properties seen :0
[2026-05-26 16:12:34] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:12:34] [INFO ] Invariant cache hit.
[2026-05-26 16:12:34] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 175/183 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 25/208 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/222 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 217/439 variables, 26/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/439 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/443 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/443 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 3/446 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 28
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :28 after 58
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :58 after 144
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :144 after 193
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :193 after 223
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :223 after 333
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :333 after 1046
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1046 after 6499
At refinement iteration 13 (OVERLAPS) 1058/1504 variables, 446/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1504 variables, 96/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1504 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1506 variables, 2/587 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1506 variables, 1/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1506 variables, 0/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1506 variables, 0/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1506/1506 variables, and 588 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1048 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 448/448 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 175/183 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 25/208 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/222 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 217/439 variables, 26/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6499 after 25893
[2026-05-26 16:12:36] [INFO ] Deduced a trap composed of 45 places in 247 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:36] [INFO ] Deduced a trap composed of 45 places in 188 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:36] [INFO ] Deduced a trap composed of 45 places in 189 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:36] [INFO ] Deduced a trap composed of 45 places in 147 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:12:36] [INFO ] Deduced a trap composed of 45 places in 93 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/439 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/439 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/443 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/443 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 3/446 variables, 3/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/446 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1058/1504 variables, 446/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1504 variables, 96/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1504 variables, 1/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :45664 after 50483
At refinement iteration 17 (INCLUDED_ONLY) 0/1504 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/1506 variables, 2/593 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1506 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1506 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1506 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1506/1506 variables, and 594 constraints, problems are : Problem set: 0 solved, 1 unsolved in 8799 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 448/448 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9871ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 8 out of 448 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 40 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 448/448 places, 1074/1074 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 21 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
[2026-05-26 16:12:44] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:12:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :50483 after 88341
[2026-05-26 16:12:45] [INFO ] Implicit Places using invariants in 1301 ms returned []
[2026-05-26 16:12:45] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:12:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:12:46] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :88341 after 271900
[2026-05-26 16:12:58] [INFO ] Implicit Places using invariants and state equation in 12317 ms returned []
Implicit Place search using SMT with State Equation took 13621 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 16:12:58] [INFO ] Redundant transitions in 19 ms returned []
Running 1072 sub problems to find dead transitions.
[2026-05-26 16:12:58] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:12:58] [INFO ] Invariant cache hit.
[2026-05-26 16:12:58] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :271900 after 674102
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:15] [INFO ] Deduced a trap composed of 31 places in 265 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:15] [INFO ] Deduced a trap composed of 45 places in 122 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:16] [INFO ] Deduced a trap composed of 45 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:16] [INFO ] Deduced a trap composed of 45 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:16] [INFO ] Deduced a trap composed of 45 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:16] [INFO ] Deduced a trap composed of 45 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:16] [INFO ] Deduced a trap composed of 45 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:16] [INFO ] Deduced a trap composed of 45 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:17] [INFO ] Deduced a trap composed of 153 places in 618 ms of which 114 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:17] [INFO ] Deduced a trap composed of 160 places in 629 ms of which 130 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:13:22] [INFO ] Deduced a trap composed of 45 places in 65 ms of which 4 ms to minimize.
Detected timeout of ITS tools.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 446/1506 variables, and 53 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1072/1072 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 11/53 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 446/1506 variables, and 53 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1072 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61494ms problems are : Problem set: 0 solved, 1072 unsolved
Search for dead transitions found 0 dead transitions in 61498ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75185 ms. Remains : 448/448 places, 1074/1074 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[20]
Ending property specific reduction for PolyORBLF-COL-S02J06T08-UpperBounds-01 in 277730 ms.
Starting property specific reduction for PolyORBLF-COL-S02J06T08-UpperBounds-15
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:[28]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[28]
[2026-05-26 16:13:59] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
// Phase 1: matrix 1066 rows 456 cols
[2026-05-26 16:14:00] [INFO ] Computed 44 invariants in 485 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[28]
RANDOM walk for 10000 steps (6 resets) in 68 ms. (144 steps per ms)
BEST_FIRST walk for 10000 steps (3 resets) in 35 ms. (277 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[28]
[2026-05-26 16:14:00] [INFO ] Flow matrix only has 1066 transitions (discarded 16 similar events)
[2026-05-26 16:14:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:14:00] [INFO ] [Real]Absence check using 15 positive place invariants in 13 ms returned sat
[2026-05-26 16:14:00] [INFO ] [Real]Absence check using 15 positive and 29 generalized place invariants in 27 ms returned sat
[2026-05-26 16:14:00] [INFO ] [Real]Absence check using state equation in 513 ms returned sat
[2026-05-26 16:14:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 16:14:01] [INFO ] [Nat]Absence check using 15 positive place invariants in 22 ms returned sat
[2026-05-26 16:14:01] [INFO ] [Nat]Absence check using 15 positive and 29 generalized place invariants in 41 ms returned sat
[2026-05-26 16:14:01] [INFO ] [Nat]Absence check using state equation in 737 ms returned sat
[2026-05-26 16:14:01] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:14:02] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 16:14:02] [INFO ] [Nat]Added 96 Read/Feed constraints in 1023 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[28]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[28]
Support contains 8 out of 456 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 456/456 places, 1082/1082 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 448 transition count 1074
Applied a total of 16 rules in 64 ms. Remains 448 /456 variables (removed 8) and now considering 1074/1082 (removed 8) transitions.
Running 1072 sub problems to find dead transitions.
[2026-05-26 16:14:03] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
// Phase 1: matrix 1058 rows 448 cols
[2026-05-26 16:14:03] [INFO ] Computed 44 invariants in 38 ms
[2026-05-26 16:14:03] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:23] [INFO ] Deduced a trap composed of 31 places in 297 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:23] [INFO ] Deduced a trap composed of 45 places in 203 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:23] [INFO ] Deduced a trap composed of 45 places in 127 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:23] [INFO ] Deduced a trap composed of 45 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:23] [INFO ] Deduced a trap composed of 45 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:23] [INFO ] Deduced a trap composed of 45 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:23] [INFO ] Deduced a trap composed of 45 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:24] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:24] [INFO ] Deduced a trap composed of 45 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:24] [INFO ] Deduced a trap composed of 153 places in 625 ms of which 92 ms to minimize.
SMT process timed out in 21832ms, After SMT, problems are : Problem set: 0 solved, 1072 unsolved
Search for dead transitions found 0 dead transitions in 21837ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21905 ms. Remains : 448/456 places, 1074/1082 transitions.
[2026-05-26 16:14:24] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:14:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[28]
RANDOM walk for 1000000 steps (404 resets) in 5041 ms. (198 steps per ms)
BEST_FIRST walk for 1000001 steps (159 resets) in 3301 ms. (302 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[28]
[2026-05-26 16:14:33] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:14:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:14:33] [INFO ] [Real]Absence check using 15 positive place invariants in 23 ms returned sat
[2026-05-26 16:14:33] [INFO ] [Real]Absence check using 15 positive and 29 generalized place invariants in 40 ms returned sat
[2026-05-26 16:14:34] [INFO ] [Real]Absence check using state equation in 831 ms returned sat
[2026-05-26 16:14:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 16:14:34] [INFO ] [Nat]Absence check using 15 positive place invariants in 23 ms returned sat
[2026-05-26 16:14:34] [INFO ] [Nat]Absence check using 15 positive and 29 generalized place invariants in 39 ms returned sat
[2026-05-26 16:14:35] [INFO ] [Nat]Absence check using state equation in 910 ms returned sat
[2026-05-26 16:14:35] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:14:35] [INFO ] [Nat]Added 96 Read/Feed constraints in 490 ms returned sat
[2026-05-26 16:14:36] [INFO ] Computed and/alt/rep : 400/1445/392 causal constraints (skipped 664 transitions) in 115 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:37] [INFO ] Deduced a trap composed of 19 places in 566 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:38] [INFO ] Deduced a trap composed of 145 places in 768 ms of which 129 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:39] [INFO ] Deduced a trap composed of 153 places in 586 ms of which 154 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:14:40] [INFO ] Deduced a trap composed of 160 places in 803 ms of which 149 ms to minimize.
[2026-05-26 16:14:40] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 3368 ms
[2026-05-26 16:14:40] [INFO ] Added : 39 causal constraints over 9 iterations in 5006 ms. Result :sat
Minimization took 4503 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[28]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[28]
Support contains 8 out of 448 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 18 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 448/448 places, 1074/1074 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 18 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
[2026-05-26 16:14:45] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:14:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:14:47] [INFO ] Implicit Places using invariants in 1767 ms returned []
[2026-05-26 16:14:47] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:14:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:14:48] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:15:00] [INFO ] Implicit Places using invariants and state equation in 13522 ms returned []
Implicit Place search using SMT with State Equation took 15294 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 16:15:00] [INFO ] Redundant transitions in 18 ms returned []
Running 1072 sub problems to find dead transitions.
[2026-05-26 16:15:00] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:15:00] [INFO ] Invariant cache hit.
[2026-05-26 16:15:00] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:21] [INFO ] Deduced a trap composed of 31 places in 349 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:22] [INFO ] Deduced a trap composed of 45 places in 240 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:22] [INFO ] Deduced a trap composed of 45 places in 193 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:22] [INFO ] Deduced a trap composed of 45 places in 127 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:22] [INFO ] Deduced a trap composed of 45 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:22] [INFO ] Deduced a trap composed of 45 places in 98 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:22] [INFO ] Deduced a trap composed of 45 places in 90 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:22] [INFO ] Deduced a trap composed of 45 places in 84 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:23] [INFO ] Deduced a trap composed of 45 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:24] [INFO ] Deduced a trap composed of 153 places in 790 ms of which 149 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:24] [INFO ] Deduced a trap composed of 160 places in 735 ms of which 139 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:25] [INFO ] Deduced a trap composed of 145 places in 706 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:15:26] [INFO ] Deduced a trap composed of 19 places in 697 ms of which 59 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 446/1506 variables, and 55 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1072/1072 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 13/55 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 446/1506 variables, and 55 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1072 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61698ms problems are : Problem set: 0 solved, 1072 unsolved
Search for dead transitions found 0 dead transitions in 61703ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77046 ms. Remains : 448/448 places, 1074/1074 transitions.
[2026-05-26 16:16:02] [INFO ] Flatten gal took : 107 ms
RANDOM walk for 40000 steps (20 resets) in 655 ms. (60 steps per ms) remains 2/2 properties
[2026-05-26 16:16:02] [INFO ] Flatten gal took : 85 ms
[2026-05-26 16:16:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17824803819422737147.gal : 14 ms
[2026-05-26 16:16:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7059221376033138126.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/ReachabilityCardinality17824803819422737147.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7059221376033138126.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40002 steps (11 resets) in 276 ms. (144 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (10 resets) in 281 ms. (141 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality7059221376033138126.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 7
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :8 after 10
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :10 after 50
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :50 after 180
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :180 after 836
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :836 after 1214
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1214 after 2378
Interrupted probabilistic random walk after 162510 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :0 out of 2
Probabilistic random walk after 162510 steps, saw 92564 distinct states, run finished after 3001 ms. (steps per millisecond=54 ) properties seen :0
[2026-05-26 16:16:05] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:16:05] [INFO ] Invariant cache hit.
[2026-05-26 16:16:05] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 357/365 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/365 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 24/389 variables, 6/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/389 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/403 variables, 7/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 42/445 variables, 19/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2378 after 4694
[2026-05-26 16:16:06] [INFO ] Deduced a trap composed of 45 places in 268 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:06] [INFO ] Deduced a trap composed of 45 places in 218 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:06] [INFO ] Deduced a trap composed of 45 places in 157 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:06] [INFO ] Deduced a trap composed of 45 places in 126 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:07] [INFO ] Deduced a trap composed of 45 places in 89 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/445 variables, 5/47 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/445 variables, 0/47 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/446 variables, 1/48 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/48 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :4694 after 9644
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 1058/1504 variables, 446/494 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1504 variables, 96/590 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1504 variables, 0/590 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/1506 variables, 2/592 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1506 variables, 1/593 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1506 variables, 0/593 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1506 variables, 0/593 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1506/1506 variables, and 593 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2442 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 448/448 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 357/365 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/365 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 24/389 variables, 6/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/389 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/403 variables, 7/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 42/445 variables, 19/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/445 variables, 5/47 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:08] [INFO ] Deduced a trap composed of 45 places in 91 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/445 variables, 1/48 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/445 variables, 0/48 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/446 variables, 1/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 0/49 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1058/1504 variables, 446/495 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1504/1506 variables, and 591 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2182 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 446/448 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4638ms problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 448 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 38 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
Running 1072 sub problems to find dead transitions.
[2026-05-26 16:16:10] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:16:10] [INFO ] Invariant cache hit.
[2026-05-26 16:16:10] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :9644 after 20736
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :20736 after 64326
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:28] [INFO ] Deduced a trap composed of 31 places in 275 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:28] [INFO ] Deduced a trap composed of 45 places in 150 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:28] [INFO ] Deduced a trap composed of 45 places in 129 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:28] [INFO ] Deduced a trap composed of 45 places in 83 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:28] [INFO ] Deduced a trap composed of 45 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:28] [INFO ] Deduced a trap composed of 45 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:28] [INFO ] Deduced a trap composed of 45 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:28] [INFO ] Deduced a trap composed of 45 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:29] [INFO ] Deduced a trap composed of 45 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:29] [INFO ] Deduced a trap composed of 153 places in 616 ms of which 113 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:30] [INFO ] Deduced a trap composed of 160 places in 652 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:31] [INFO ] Deduced a trap composed of 145 places in 504 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:31] [INFO ] Deduced a trap composed of 19 places in 594 ms of which 53 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 446/1506 variables, and 55 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1072/1072 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :64326 after 104422
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 13/55 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 446/1506 variables, and 55 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1072 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41462ms problems are : Problem set: 0 solved, 1072 unsolved
Search for dead transitions found 0 dead transitions in 41465ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41508 ms. Remains : 448/448 places, 1074/1074 transitions.
RANDOM walk for 40000 steps (20 resets) in 277 ms. (143 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (11 resets) in 185 ms. (215 steps per ms) remains 1/1 properties
Detected timeout of ITS tools.
[2026-05-26 16:16:52] [INFO ] Flatten gal took : 52 ms
[2026-05-26 16:16:52] [INFO ] Applying decomposition
[2026-05-26 16:16:52] [INFO ] Flatten gal took : 56 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/graph4225198612864495084.txt' '-o' '/tmp/graph4225198612864495084.bin' '-w' '/tmp/graph4225198612864495084.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4225198612864495084.bin' '-l' '-1' '-v' '-w' '/tmp/graph4225198612864495084.weights' '-q' '0' '-e' '0.001'
[2026-05-26 16:16:53] [INFO ] Decomposing Gal with order
[2026-05-26 16:16:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 16:16:53] [INFO ] Removed a total of 874 redundant transitions.
[2026-05-26 16:16:53] [INFO ] Flatten gal took : 211 ms
[2026-05-26 16:16:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 483 labels/synchronizations in 44 ms.
[2026-05-26 16:16:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6009758170820121157.gal : 19 ms
[2026-05-26 16:16:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6738699248676356337.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/ReachabilityCardinality6009758170820121157.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6738699248676356337.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/ReachabilityCardinality6738699248676356337.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 18
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :18 after 50
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :50 after 110
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :110 after 130
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :130 after 207
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :207 after 269
Interrupted probabilistic random walk after 215250 steps, run timeout after 3001 ms. (steps per millisecond=71 ) properties seen :0 out of 1
Probabilistic random walk after 215250 steps, saw 120777 distinct states, run finished after 3001 ms. (steps per millisecond=71 ) properties seen :0
[2026-05-26 16:16:55] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:16:55] [INFO ] Invariant cache hit.
[2026-05-26 16:16:55] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :269 after 472
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) 357/365 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/365 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 24/389 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/389 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/403 variables, 7/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 42/445 variables, 19/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/445 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/446 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/446 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :472 after 1165
At refinement iteration 11 (OVERLAPS) 1058/1504 variables, 446/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1504 variables, 96/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1504 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/1506 variables, 2/587 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1506 variables, 1/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1165 after 2152
At refinement iteration 16 (INCLUDED_ONLY) 0/1506 variables, 0/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1506 variables, 0/588 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1506/1506 variables, and 588 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1190 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 448/448 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 357/365 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/365 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 24/389 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/389 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/403 variables, 7/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/403 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 42/445 variables, 19/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:56] [INFO ] Deduced a trap composed of 45 places in 233 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:57] [INFO ] Deduced a trap composed of 45 places in 256 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:57] [INFO ] Deduced a trap composed of 45 places in 201 ms of which 46 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 4096
SDD size :2152 after 6920
[2026-05-26 16:16:57] [INFO ] Deduced a trap composed of 45 places in 189 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:16:57] [INFO ] Deduced a trap composed of 45 places in 97 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/445 variables, 5/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/445 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/446 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1058/1504 variables, 446/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1504 variables, 96/590 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1504 variables, 1/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1504 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1506 variables, 2/593 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1506 variables, 1/594 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1506 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1506 variables, 0/594 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1506/1506 variables, and 594 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4485 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 448/448 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5686ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 133 ms.
Support contains 8 out of 448 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 33 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 448/448 places, 1074/1074 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 448/448 places, 1074/1074 transitions.
Applied a total of 0 rules in 31 ms. Remains 448 /448 variables (removed 0) and now considering 1074/1074 (removed 0) transitions.
[2026-05-26 16:17:01] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:17:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6920 after 20598
[2026-05-26 16:17:02] [INFO ] Implicit Places using invariants in 1361 ms returned []
[2026-05-26 16:17:02] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:17:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 16:17:03] [INFO ] State equation strengthened by 96 read => feed constraints.
[2026-05-26 16:17:14] [INFO ] Implicit Places using invariants and state equation in 12108 ms returned []
Implicit Place search using SMT with State Equation took 13473 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 16:17:14] [INFO ] Redundant transitions in 11 ms returned []
Running 1072 sub problems to find dead transitions.
[2026-05-26 16:17:14] [INFO ] Flow matrix only has 1058 transitions (discarded 16 similar events)
[2026-05-26 16:17:14] [INFO ] Invariant cache hit.
[2026-05-26 16:17:14] [INFO ] State equation strengthened by 96 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :54904 after 58378
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:31] [INFO ] Deduced a trap composed of 31 places in 428 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:32] [INFO ] Deduced a trap composed of 45 places in 264 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:32] [INFO ] Deduced a trap composed of 45 places in 169 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:32] [INFO ] Deduced a trap composed of 45 places in 111 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:32] [INFO ] Deduced a trap composed of 45 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:32] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:32] [INFO ] Deduced a trap composed of 45 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:32] [INFO ] Deduced a trap composed of 45 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:33] [INFO ] Deduced a trap composed of 45 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:33] [INFO ] Deduced a trap composed of 153 places in 760 ms of which 148 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:34] [INFO ] Deduced a trap composed of 160 places in 688 ms of which 119 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:35] [INFO ] Deduced a trap composed of 145 places in 652 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 16:17:36] [INFO ] Deduced a trap composed of 19 places in 582 ms of which 46 ms to minimize.
Detected timeout of ITS tools.
Error getting values : (error "ParserException while parsing response: ((s0 9.0)
(s1 1.0)
(s2 1.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 1.0)
(s7 0.0)
(s8 0.0)
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(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
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(s24 0.0)
(s25 0.0)
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(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
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(s56 0.0)
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(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
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(s68 0.0)
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(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
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(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
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(s114 0.0)
(s115 0.0)
(s116 0.0)
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(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 0.0)
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(s128 0.0)
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(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 446/1506 variables, and 55 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 1072/1072 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1072 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/446 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/446 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 13/55 constraints. Problems are: Problem set: 0 solved, 1072 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 446/1506 variables, and 55 constraints, problems are : Problem set: 0 solved, 1072 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 28/29 constraints, State Equation: 0/448 constraints, ReadFeed: 0/96 constraints, PredecessorRefiner: 0/1072 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61317ms problems are : Problem set: 0 solved, 1072 unsolved
Search for dead transitions found 0 dead transitions in 61319ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74845 ms. Remains : 448/448 places, 1074/1074 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[28]
Ending property specific reduction for PolyORBLF-COL-S02J06T08-UpperBounds-15 in 256240 ms.
[2026-05-26 16:18:15] [INFO ] Flatten gal took : 76 ms
[2026-05-26 16:18:15] [INFO ] Applying decomposition
[2026-05-26 16:18:16] [INFO ] Flatten gal took : 76 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/graph13213607326459864643.txt' '-o' '/tmp/graph13213607326459864643.bin' '-w' '/tmp/graph13213607326459864643.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13213607326459864643.bin' '-l' '-1' '-v' '-w' '/tmp/graph13213607326459864643.weights' '-q' '0' '-e' '0.001'
[2026-05-26 16:18:16] [INFO ] Decomposing Gal with order
[2026-05-26 16:18:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 16:18:16] [INFO ] Removed a total of 967 redundant transitions.
[2026-05-26 16:18:16] [INFO ] Flatten gal took : 179 ms
[2026-05-26 16:18:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 264 labels/synchronizations in 19 ms.
[2026-05-26 16:18:16] [INFO ] Time to serialize gal into /tmp/UpperBounds1754999648911883171.gal : 14 ms
[2026-05-26 16:18:16] [INFO ] Time to serialize properties into /tmp/UpperBounds13220733139188394896.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/UpperBounds1754999648911883171.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13220733139188394896.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/UpperBounds13220733139188394896.prop.
Detected timeout of ITS tools.
[2026-05-26 16:43:42] [INFO ] Applying decomposition
[2026-05-26 16:43:43] [INFO ] Flatten gal took : 970 ms
[2026-05-26 16:43:43] [INFO ] Decomposing Gal with order
[2026-05-26 16:43:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 16:43:44] [WARNING] Could not apply decomposition. Using flat GAL structure.
java.lang.RuntimeException: Could not find partition element corresponding to cJobCnt in partition [CreatedJobs_0],[CreatedJobs_1],[CreatedJobs_2],[CreatedJobs_3],[CreatedJobs_4],[CreatedJobs_5],[CreatedJobs_6],[CreatedJobs_7],[CreatedJobs_8],[CreatedJobs_9],[CreatedJobs_10],[CreatedJobs_11],[CreatedJobs_12],[CreatedJobs_13],[AwakeTasks_0, IdleTasks_0, QueueJobE_0, P_2321_0, TryAllocateOneTaskE_0, TryAllocateOneTaskB_0, P_2318_0, EnablePollingB_0, FetchJobB_0, ScheduleTaskE_Check_0, ScheduleTaskB_0, Abort_Check_Sources_E_0, Abort_Check_Sources_B_0, P_1113_0, P_1158_0, P_1159_0, P_1160_0, NotifyEventEndOfCheckSourcesB_0, Check_Sources_B_0, Check_Sources_E_0, P_1617_0],[AwakeTasks_1, IdleTasks_1, QueueJobE_1, P_2321_1, TryAllocateOneTaskE_1, TryAllocateOneTaskB_1, P_2318_1, EnablePollingB_1, FetchJobB_1, ScheduleTaskE_Check_1, ScheduleTaskB_1, Abort_Check_Sources_E_1, Abort_Check_Sources_B_1, P_1113_1, P_1158_1, P_1159_1, P_1160_1, NotifyEventEndOfCheckSourcesB_1, Check_Sources_B_1, Check_Sources_E_1, P_1617_1],[AwakeTasks_2, IdleTasks_2, QueueJobE_2, P_2321_2, TryAllocateOneTaskE_2, TryAllocateOneTaskB_2, P_2318_2, EnablePollingB_2, FetchJobB_2, ScheduleTaskE_Check_2, ScheduleTaskB_2, Abort_Check_Sources_E_2, Abort_Check_Sources_B_2, P_1113_2, P_1158_2, P_1159_2, P_1160_2, NotifyEventEndOfCheckSourcesB_2, Check_Sources_B_2, Check_Sources_E_2, P_1617_2],[AwakeTasks_3, IdleTasks_3, QueueJobE_3, P_2321_3, TryAllocateOneTaskE_3, TryAllocateOneTaskB_3, P_2318_3, EnablePollingB_3, FetchJobB_3, ScheduleTaskE_Check_3, ScheduleTaskB_3, Abort_Check_Sources_E_3, Abort_Check_Sources_B_3, P_1113_3, P_1158_3, P_1159_3, P_1160_3, NotifyEventEndOfCheckSourcesB_3, Check_Sources_B_3, Check_Sources_E_3, P_1617_3],[AwakeTasks_4, IdleTasks_4, QueueJobE_4, P_2321_4, TryAllocateOneTaskE_4, TryAllocateOneTaskB_4, P_2318_4, EnablePollingB_4, FetchJobB_4, ScheduleTaskE_Check_4, ScheduleTaskB_4, Abort_Check_Sources_E_4, Abort_Check_Sources_B_4, P_1113_4, P_1158_4, P_1159_4, P_1160_4, NotifyEventEndOfCheckSourcesB_4, Check_Sources_B_4, Check_Sources_E_4, P_1617_4],[AwakeTasks_5, IdleTasks_5, QueueJobE_5, P_2321_5, TryAllocateOneTaskE_5, TryAllocateOneTaskB_5, P_2318_5, EnablePollingB_5, FetchJobB_5, ScheduleTaskE_Check_5, ScheduleTaskB_5, Abort_Check_Sources_E_5, Abort_Check_Sources_B_5, P_1113_5, P_1158_5, P_1159_5, P_1160_5, NotifyEventEndOfCheckSourcesB_5, Check_Sources_B_5, Check_Sources_E_5, P_1617_5],[AwakeTasks_6, IdleTasks_6, QueueJobE_6, P_2321_6, TryAllocateOneTaskE_6, TryAllocateOneTaskB_6, P_2318_6, EnablePollingB_6, FetchJobB_6, ScheduleTaskE_Check_6, ScheduleTaskB_6, Abort_Check_Sources_E_6, Abort_Check_Sources_B_6, P_1113_6, P_1158_6, P_1159_6, P_1160_6, NotifyEventEndOfCheckSourcesB_6, Check_Sources_B_6, Check_Sources_E_6, P_1617_6],[AwakeTasks_7, IdleTasks_7, QueueJobE_7, P_2321_7, TryAllocateOneTaskE_7, TryAllocateOneTaskB_7, P_2318_7, EnablePollingB_7, FetchJobB_7, ScheduleTaskE_Check_7, ScheduleTaskB_7, Abort_Check_Sources_E_7, Abort_Check_Sources_B_7, P_1113_7, P_1158_7, P_1159_7, P_1160_7, NotifyEventEndOfCheckSourcesB_7, Check_Sources_B_7, Check_Sources_E_7, P_1617_7],[P_1725_0, P_1724_0, P_1712_0, AvailableJobId_0],[P_1725_1, P_1724_1, P_1712_1, AvailableJobId_1],[P_1725_2, P_1724_2, P_1712_2, AvailableJobId_2],[P_1725_3, P_1724_3, P_1712_3, AvailableJobId_3],[P_1725_4, P_1724_4, P_1712_4, AvailableJobId_4],[P_1725_5, P_1724_5, P_1712_5, AvailableJobId_5],[P_1725_6, P_1724_6, P_1712_6, AvailableJobId_6],[NotifyEventJobQueuedB_0, QueueJobB_0, FetchJobE_0],[NotifyEventJobQueuedB_1, QueueJobB_1, FetchJobE_1],[NotifyEventJobQueuedB_2, QueueJobB_2, FetchJobE_2],[NotifyEventJobQueuedB_3, QueueJobB_3, FetchJobE_3],[NotifyEventJobQueuedB_4, QueueJobB_4, FetchJobE_4],[NotifyEventJobQueuedB_5, QueueJobB_5, FetchJobE_5],[NotifyEventJobQueuedB_6, QueueJobB_6, FetchJobE_6],[NotifyEventJobQueuedB_7, QueueJobB_7, FetchJobE_7],[NotifyEventJobQueuedB_8, QueueJobB_8, FetchJobE_8],[NotifyEventJobQueuedB_9, QueueJobB_9, FetchJobE_9],[NotifyEventJobQueuedB_10, QueueJobB_10, FetchJobE_10],[NotifyEventJobQueuedB_11, QueueJobB_11, FetchJobE_11],[NotifyEventJobQueuedB_12, QueueJobB_12, FetchJobE_12],[NotifyEventJobQueuedB_13, QueueJobB_13, FetchJobE_13],[NotifyEventJobQueuedB_14, QueueJobB_14, FetchJobE_14],[NotifyEventJobQueuedB_15, QueueJobB_15, FetchJobE_15],[NotifyEventJobQueuedB_16, QueueJobB_16, FetchJobE_16],[NotifyEventJobQueuedB_17, QueueJobB_17, FetchJobE_17],[NotifyEventJobQueuedB_18, QueueJobB_18, FetchJobE_18],[NotifyEventJobQueuedB_19, QueueJobB_19, FetchJobE_19],[NotifyEventJobQueuedB_20, QueueJobB_20, FetchJobE_20],[NotifyEventJobQueuedB_21, QueueJobB_21, FetchJobE_21],[NotifyEventJobQueuedB_22, QueueJobB_22, FetchJobE_22],[NotifyEventJobQueuedB_23, QueueJobB_23, FetchJobE_23],[NotifyEventJobQueuedB_24, QueueJobB_24, FetchJobE_24],[NotifyEventJobQueuedB_25, QueueJobB_25, FetchJobE_25],[NotifyEventJobQueuedB_26, QueueJobB_26, FetchJobE_26],[NotifyEventJobQueuedB_27, QueueJobB_27, FetchJobE_27],[NotifyEventJobQueuedB_28, QueueJobB_28, FetchJobE_28],[NotifyEventJobQueuedB_29, QueueJobB_29, FetchJobE_29],[NotifyEventJobQueuedB_30, QueueJobB_30, FetchJobE_30],[NotifyEventJobQueuedB_31, QueueJobB_31, FetchJobE_31],[NotifyEventJobQueuedB_32, QueueJobB_32, FetchJobE_32],[NotifyEventJobQueuedB_33, QueueJobB_33, FetchJobE_33],[NotifyEventJobQueuedB_34, QueueJobB_34, FetchJobE_34],[NotifyEventJobQueuedB_35, QueueJobB_35, FetchJobE_35],[NotifyEventJobQueuedB_36, QueueJobB_36, FetchJobE_36],[NotifyEventJobQueuedB_37, QueueJobB_37, FetchJobE_37],[NotifyEventJobQueuedB_38, QueueJobB_38, FetchJobE_38],[NotifyEventJobQueuedB_39, QueueJobB_39, FetchJobE_39],[NotifyEventJobQueuedB_40, QueueJobB_40, FetchJobE_40],[NotifyEventJobQueuedB_41, QueueJobB_41, FetchJobE_41],[NotifyEventJobQueuedB_42, QueueJobB_42, FetchJobE_42],[NotifyEventJobQueuedB_43, QueueJobB_43, FetchJobE_43],[NotifyEventJobQueuedB_44, QueueJobB_44, FetchJobE_44],[NotifyEventJobQueuedB_45, QueueJobB_45, FetchJobE_45],[NotifyEventJobQueuedB_46, QueueJobB_46, FetchJobE_46],[NotifyEventJobQueuedB_47, QueueJobB_47, FetchJobE_47],[NotifyEventJobQueuedB_48, QueueJobB_48, FetchJobE_48],[NotifyEventJobQueuedB_49, QueueJobB_49, FetchJobE_49],[NotifyEventJobQueuedB_50, QueueJobB_50, FetchJobE_50],[NotifyEventJobQueuedB_51, QueueJobB_51, FetchJobE_51],[NotifyEventJobQueuedB_52, QueueJobB_52, FetchJobE_52],[NotifyEventJobQueuedB_53, QueueJobB_53, FetchJobE_53],[NotifyEventJobQueuedB_54, QueueJobB_54, FetchJobE_54],[NotifyEventJobQueuedB_55, QueueJobB_55, FetchJobE_55],[PlaceSources_0, ModifiedSrc_0, AbourtToModifySrc_0],[PlaceSources_1, ModifiedSrc_1, AbourtToModifySrc_1],[Insert_Source_B_0, P_1119_0, P_2579_0],[Insert_Source_B_1, P_1119_1, P_2579_1],[Insert_Source_B_2, P_1119_2, P_2579_2],[Insert_Source_B_3, P_1119_3, P_2579_3],[Insert_Source_B_4, P_1119_4, P_2579_4],[Insert_Source_B_5, P_1119_5, P_2579_5],[Insert_Source_B_6, P_1119_6, P_2579_6],[Insert_Source_B_7, P_1119_7, P_2579_7],[Insert_Source_B_8, P_1119_8, P_2579_8],[Insert_Source_B_9, P_1119_9, P_2579_9],[Insert_Source_B_10, P_1119_10, P_2579_10],[Insert_Source_B_11, P_1119_11, P_2579_11],[Insert_Source_B_12, P_1119_12, P_2579_12],[Insert_Source_B_13, P_1119_13, P_2579_13],[Insert_Source_B_14, P_1119_14, P_2579_14],[Insert_Source_B_15, P_1119_15, P_2579_15],
at fr.lip6.move.gal.instantiate.CompositeBuilder$Partition.getIndex(CompositeBuilder.java:1421)
at fr.lip6.move.gal.instantiate.CompositeBuilder.galToCompositeWithPartition(CompositeBuilder.java:556)
at fr.lip6.move.gal.instantiate.CompositeBuilder.decomposeWithOrder(CompositeBuilder.java:147)
at fr.lip6.move.gal.application.mcc.MccTranslator.applyOrder(MccTranslator.java:133)
at fr.lip6.move.gal.application.mcc.MccTranslator.flattenSpec(MccTranslator.java:230)
at fr.lip6.move.gal.application.runner.its.MultiOrderRunner.runMultiITS(MultiOrderRunner.java:124)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:960)
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)
[2026-05-26 16:43:45] [INFO ] Flatten gal took : 919 ms
[2026-05-26 16:43:45] [INFO ] Time to serialize gal into /tmp/UpperBounds11138198596000181511.gal : 161 ms
[2026-05-26 16:43:45] [INFO ] Time to serialize properties into /tmp/UpperBounds8359153977374744327.prop : 10 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/UpperBounds11138198596000181511.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8359153977374744327.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/UpperBounds8359153977374744327.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="PolyORBLF-COL-S02J06T08"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is PolyORBLF-COL-S02J06T08, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r223-smll-177969946300038"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S02J06T08.tgz
mv PolyORBLF-COL-S02J06T08 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;