About the Execution of 2025-gold for PolyORBLF-COL-S02J06T06
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 3171.084 | 731733.00 | 1045766.00 | 1611.90 | 1 1 1 1 2 1 2 1 1 1 1 1 1 6 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-177969946300037.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-S02J06T06, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-smll-177969946300037
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 6.2K Mar 8 15:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 8 15:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 8 15:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 8 15:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K 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 2.5K Mar 16 08:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 16 08:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K Mar 8 15:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 8 15:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 8 15:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 98K Mar 8 15:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 16 08:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 16 08:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 154K Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-00
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-01
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-02
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-03
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-04
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-05
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-06
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-07
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-08
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-09
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-10
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-11
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-12
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-13
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-14
FORMULA_NAME PolyORBLF-COL-S02J06T06-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779810601668
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-COL-S02J06T06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
UpperBounds COL
Running Version 202505121319
[2026-05-26 15:50:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 15:50:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 15:50:03] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-26 15:50:04] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 15:50:04] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1022 ms
[2026-05-26 15:50:05] [INFO ] Imported 81 HL places and 65 HL transitions for a total of 536 PT places and 1096.0 transition bindings in 41 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
[2026-05-26 15:50:05] [INFO ] Built PT skeleton of HLPN with 81 places and 65 transitions 254 arcs in 10 ms.
[2026-05-26 15:50:05] [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 15:50:05] [INFO ] Computed 26 invariants in 30 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0] Max Struct:[6, 1, 1, 1, 108, 6, 26, 1, 6, 1, 17, 2, 3, 6, 6, 2]
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2026-05-26 15:50:05] [INFO ] Flow matrix only has 64 transitions (discarded 1 similar events)
// Phase 1: matrix 64 rows 81 cols
[2026-05-26 15:50:05] [INFO ] Computed 26 invariants in 6 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:05] [INFO ] [Real]Absence check using 11 positive place invariants in 20 ms returned sat
[2026-05-26 15:50:05] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 13 ms returned sat
[2026-05-26 15:50:05] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2026-05-26 15:50:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:05] [INFO ] [Nat]Absence check using 11 positive place invariants in 10 ms returned sat
[2026-05-26 15:50:05] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 10 ms returned sat
[2026-05-26 15:50:05] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-26 15:50:05] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-26 15:50:05] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-26 15:50:05] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:06] [INFO ] Deduced a trap composed of 18 places in 86 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:06] [INFO ] Deduced a trap composed of 30 places in 79 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:06] [INFO ] Deduced a trap composed of 26 places in 60 ms of which 5 ms to minimize.
[2026-05-26 15:50:06] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 287 ms
[2026-05-26 15:50:06] [INFO ] Added : 57 causal constraints over 12 iterations in 494 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:06] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-26 15:50:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:06] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 5 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
[2026-05-26 15:50:06] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 15:50:06] [INFO ] Added : 54 causal constraints over 11 iterations in 126 ms. Result :sat
Minimization took 51 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:06] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Real]Added 8 Read/Feed constraints in 12 ms returned sat
[2026-05-26 15:50:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:06] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:06] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Nat]Added 8 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:07] [INFO ] Deduced a trap composed of 17 places in 67 ms of which 9 ms to minimize.
[2026-05-26 15:50:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
[2026-05-26 15:50:07] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:07] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 10 ms to minimize.
[2026-05-26 15:50:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 85 ms
[2026-05-26 15:50:07] [INFO ] Added : 54 causal constraints over 11 iterations in 268 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:07] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 18 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2026-05-26 15:50:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Nat]Added 8 Read/Feed constraints in 9 ms returned sat
[2026-05-26 15:50:07] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 15:50:07] [INFO ] Added : 5 causal constraints over 1 iterations in 43 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:07] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:50:07] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-26 15:50:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Added 8 Read/Feed constraints in 7 ms returned sat
[2026-05-26 15:50:08] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 15:50:08] [INFO ] Added : 54 causal constraints over 11 iterations in 175 ms. Result :sat
Minimization took 50 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:08] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 9 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Real]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-26 15:50:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Added 8 Read/Feed constraints in 10 ms returned sat
[2026-05-26 15:50:08] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 15:50:08] [INFO ] Added : 12 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:08] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-26 15:50:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2026-05-26 15:50:08] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-26 15:50:08] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:09] [INFO ] Deduced a trap composed of 18 places in 81 ms of which 12 ms to minimize.
[2026-05-26 15:50:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 100 ms
[2026-05-26 15:50:09] [INFO ] Added : 57 causal constraints over 12 iterations in 271 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Real]Added 8 Read/Feed constraints in 7 ms returned sat
[2026-05-26 15:50:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:09] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Nat]Added 8 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:09] [INFO ] Deduced a trap composed of 21 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 15:50:09] [INFO ] Deduced a trap composed of 23 places in 64 ms of which 7 ms to minimize.
[2026-05-26 15:50:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 150 ms
[2026-05-26 15:50:09] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 15:50:09] [INFO ] Added : 57 causal constraints over 12 iterations in 178 ms. Result :sat
Minimization took 67 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:09] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 7 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-26 15:50:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 11 ms returned sat
[2026-05-26 15:50:10] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 15:50:10] [INFO ] Added : 43 causal constraints over 10 iterations in 140 ms. Result :sat
Minimization took 84 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:10] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 8 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-26 15:50:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Nat]Added 8 Read/Feed constraints in 6 ms returned sat
[2026-05-26 15:50:10] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 15:50:10] [INFO ] Added : 57 causal constraints over 12 iterations in 135 ms. Result :sat
Minimization took 37 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:10] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Real]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 15:50:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using 11 positive and 15 generalized place invariants in 6 ms returned sat
[2026-05-26 15:50:10] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-26 15:50:11] [INFO ] [Nat]Added 8 Read/Feed constraints in 34 ms returned sat
[2026-05-26 15:50:11] [INFO ] Computed and/alt/rep : 64/119/63 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 15:50:11] [INFO ] Added : 27 causal constraints over 6 iterations in 69 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0] Max Struct:[6, 1, 1, 108, 6, 26, 6, 1, 2, 1, 6, 6, 2]
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL SAT_SMT CPN_APPROX INITIAL_STATE
Transition GoPerformWork forces synchronizations/join behavior on parameter j of sort Jobs
Transition T_2315 forces synchronizations/join behavior on parameter t of sort Threads
Transition T_0376 forces synchronizations/join behavior on parameter s of sort Sources
[2026-05-26 15:50:11] [INFO ] Unfolded HLPN to a Petri net with 536 places and 1064 transitions 4866 arcs in 70 ms.
[2026-05-26 15:50:11] [INFO ] Unfolded 11 HLPN properties in 0 ms.
Ensure Unique test removed 96 transitions
Reduce redundant transitions removed 96 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[6, 1, 1, 108, 6, 26, 6, 2, 6, 6, 2]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[6, 1, 1, 108, 6, 26, 6, 2, 6, 6, 2]
[2026-05-26 15:50:11] [INFO ] Flow matrix only has 956 transitions (discarded 12 similar events)
// Phase 1: matrix 956 rows 536 cols
[2026-05-26 15:50:11] [INFO ] Computed 50 invariants in 79 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[6, 1, 1, 108, 6, 26, 6, 2, 6, 6, 2]
RANDOM walk for 10000 steps (2 resets) in 91 ms. (108 steps per ms)
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-13 6 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80006 steps (26 resets) in 682 ms. (117 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1, 2, 1, 1, 1, 1] Max Struct:[6, 108, 6, 26, 6, 2, 6, 2]
[2026-05-26 15:50:12] [INFO ] Flow matrix only has 956 transitions (discarded 12 similar events)
[2026-05-26 15:50:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:12] [INFO ] [Real]Absence check using 17 positive place invariants in 19 ms returned sat
[2026-05-26 15:50:12] [INFO ] [Real]Absence check using 17 positive and 33 generalized place invariants in 17 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:12] [INFO ] [Real]Absence check using 17 positive place invariants in 20 ms returned sat
[2026-05-26 15:50:12] [INFO ] [Real]Absence check using 17 positive and 33 generalized place invariants in 7 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:12] [INFO ] [Real]Absence check using 17 positive place invariants in 29 ms returned sat
[2026-05-26 15:50:12] [INFO ] [Real]Absence check using 17 positive and 33 generalized place invariants in 25 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:12] [INFO ] [Real]Absence check using 17 positive place invariants in 21 ms returned sat
[2026-05-26 15:50:12] [INFO ] [Real]Absence check using 17 positive and 33 generalized place invariants in 37 ms returned sat
[2026-05-26 15:50:13] [INFO ] [Real]Absence check using state equation in 797 ms returned sat
[2026-05-26 15:50:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:13] [INFO ] [Nat]Absence check using 17 positive place invariants in 27 ms returned sat
[2026-05-26 15:50:13] [INFO ] [Nat]Absence check using 17 positive and 33 generalized place invariants in 41 ms returned sat
[2026-05-26 15:50:14] [INFO ] [Nat]Absence check using state equation in 949 ms returned sat
[2026-05-26 15:50:14] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 15:50:15] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 15:50:15] [INFO ] [Nat]Added 72 Read/Feed constraints in 1020 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:15] [INFO ] [Real]Absence check using 17 positive place invariants in 18 ms returned sat
[2026-05-26 15:50:16] [INFO ] [Real]Absence check using 17 positive and 33 generalized place invariants in 16 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:16] [INFO ] [Real]Absence check using 17 positive place invariants in 17 ms returned sat
[2026-05-26 15:50:16] [INFO ] [Real]Absence check using 17 positive and 33 generalized place invariants in 36 ms returned sat
[2026-05-26 15:50:17] [INFO ] [Real]Absence check using state equation in 858 ms returned sat
[2026-05-26 15:50:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:17] [INFO ] [Nat]Absence check using 17 positive place invariants in 26 ms returned sat
[2026-05-26 15:50:17] [INFO ] [Nat]Absence check using 17 positive and 33 generalized place invariants in 41 ms returned sat
[2026-05-26 15:50:18] [INFO ] [Nat]Absence check using state equation in 913 ms returned sat
[2026-05-26 15:50:18] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 15:50:18] [INFO ] [Nat]Added 72 Read/Feed constraints in 544 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:19] [INFO ] Deduced a trap composed of 67 places in 635 ms of which 103 ms to minimize.
[2026-05-26 15:50:19] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 694 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:19] [INFO ] [Real]Absence check using 17 positive place invariants in 26 ms returned sat
[2026-05-26 15:50:19] [INFO ] [Real]Absence check using 17 positive and 33 generalized place invariants in 23 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:50:19] [INFO ] [Real]Absence check using 17 positive place invariants in 28 ms returned sat
[2026-05-26 15:50:19] [INFO ] [Real]Absence check using 17 positive and 33 generalized place invariants in 23 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1, 2, 1, 1, 1, 1] Max Struct:[1, 2, 1, 26, 1, 1, 1, 1]
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-04 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[26]
Support contains 6 out of 536 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 536/536 places, 968/968 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 534 transition count 920
Reduce places removed 48 places and 0 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 1 with 54 rules applied. Total rules applied 104 place count 486 transition count 914
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 110 place count 480 transition count 914
Performed 60 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 60 Pre rules applied. Total rules applied 110 place count 480 transition count 854
Deduced a syphon composed of 60 places in 3 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 3 with 120 rules applied. Total rules applied 230 place count 420 transition count 854
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 326 place count 372 transition count 806
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 3 with 6 rules applied. Total rules applied 332 place count 372 transition count 800
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 338 place count 366 transition count 800
Applied a total of 338 rules in 283 ms. Remains 366 /536 variables (removed 170) and now considering 800/968 (removed 168) transitions.
Running 798 sub problems to find dead transitions.
[2026-05-26 15:50:20] [INFO ] Flow matrix only has 788 transitions (discarded 12 similar events)
// Phase 1: matrix 788 rows 366 cols
[2026-05-26 15:50:20] [INFO ] Computed 48 invariants in 27 ms
[2026-05-26 15:50:20] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/364 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 798 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/364 variables, 34/46 constraints. Problems are: Problem set: 0 solved, 798 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:29] [INFO ] Deduced a trap composed of 45 places in 120 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:30] [INFO ] Deduced a trap composed of 45 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:30] [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 15:50:30] [INFO ] Deduced a trap composed of 45 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:30] [INFO ] Deduced a trap composed of 45 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:30] [INFO ] Deduced a trap composed of 45 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:30] [INFO ] Deduced a trap composed of 119 places in 345 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:31] [INFO ] Deduced a trap composed of 124 places in 369 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:31] [INFO ] Deduced a trap composed of 113 places in 376 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:32] [INFO ] Deduced a trap composed of 15 places in 351 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:33] [INFO ] Deduced a trap composed of 25 places in 225 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:40] [INFO ] Deduced a trap composed of 92 places in 351 ms of which 40 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 364/1154 variables, and 58 constraints, problems are : Problem set: 0 solved, 798 unsolved in 20086 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 34/36 constraints, State Equation: 0/366 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 798/798 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 798 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/364 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 798 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/364 variables, 34/46 constraints. Problems are: Problem set: 0 solved, 798 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/364 variables, 12/58 constraints. Problems are: Problem set: 0 solved, 798 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:50:56] [INFO ] Deduced a trap composed of 210 places in 374 ms of which 78 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 7)
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(s189 0)
(s190 0)
(s191 0)
(s192 0)
(s193 1)
(s194 0)
(s195 0)
(s196 0)
(s197 0)
(s198 0)
(s199 0)
(s200 0)
(s201 0)
(s202 0)
(s203 0)
(s204 0)
(s205 0)
(s206 1)
(s207 0)
(s208 0)
(s209 0)
(s210 0)
(s211 0)
(s212 0)
(s213 0)
(s214 0)
(s215 0)
(s216 0)
(s217 0)
(s218 0)
(s219 0)
(s220 0)
(s221 0)
(s222 0)
(s223 0)
(s224 0)
(s225 1)
(s226 0)
(s227 0)
(s228 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 364/1154 variables, and 59 constraints, problems are : Problem set: 0 solved, 798 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 34/36 constraints, State Equation: 0/366 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/798 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41449ms problems are : Problem set: 0 solved, 798 unsolved
Search for dead transitions found 0 dead transitions in 41482ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41795 ms. Remains : 366/536 places, 800/968 transitions.
[2026-05-26 15:51:01] [INFO ] Flow matrix only has 788 transitions (discarded 12 similar events)
[2026-05-26 15:51:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[26]
RANDOM walk for 1000000 steps (584 resets) in 4010 ms. (249 steps per ms)
BEST_FIRST walk for 1000001 steps (242 resets) in 1852 ms. (539 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[26]
[2026-05-26 15:51:07] [INFO ] Flow matrix only has 788 transitions (discarded 12 similar events)
[2026-05-26 15:51:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:51:07] [INFO ] [Real]Absence check using 12 positive place invariants in 8 ms returned sat
[2026-05-26 15:51:07] [INFO ] [Real]Absence check using 12 positive and 36 generalized place invariants in 26 ms returned sat
[2026-05-26 15:51:08] [INFO ] [Real]Absence check using state equation in 492 ms returned sat
[2026-05-26 15:51:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:51:08] [INFO ] [Nat]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-26 15:51:08] [INFO ] [Nat]Absence check using 12 positive and 36 generalized place invariants in 26 ms returned sat
[2026-05-26 15:51:09] [INFO ] [Nat]Absence check using state equation in 792 ms returned sat
[2026-05-26 15:51:09] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 15:51:09] [INFO ] [Nat]Added 72 Read/Feed constraints in 338 ms returned sat
[2026-05-26 15:51:09] [INFO ] Computed and/alt/rep : 414/1918/408 causal constraints (skipped 378 transitions) in 140 ms.
[2026-05-26 15:51:11] [INFO ] Added : 52 causal constraints over 11 iterations in 1758 ms. Result :sat
Minimization took 3782 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[26]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[26]
Support contains 6 out of 366 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 366/366 places, 800/800 transitions.
Applied a total of 0 rules in 56 ms. Remains 366 /366 variables (removed 0) and now considering 800/800 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 366/366 places, 800/800 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 366/366 places, 800/800 transitions.
Applied a total of 0 rules in 43 ms. Remains 366 /366 variables (removed 0) and now considering 800/800 (removed 0) transitions.
[2026-05-26 15:51:15] [INFO ] Flow matrix only has 788 transitions (discarded 12 similar events)
[2026-05-26 15:51:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:51:17] [INFO ] Implicit Places using invariants in 1587 ms returned [330, 331, 332, 333, 334, 335]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 1594 ms to find 6 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 360/366 places, 800/800 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 354 transition count 794
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 354 transition count 794
Applied a total of 12 rules in 61 ms. Remains 354 /360 variables (removed 6) and now considering 794/800 (removed 6) transitions.
[2026-05-26 15:51:17] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
// Phase 1: matrix 782 rows 354 cols
[2026-05-26 15:51:17] [INFO ] Computed 42 invariants in 34 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:51:18] [INFO ] Implicit Places using invariants in 1519 ms returned []
[2026-05-26 15:51:18] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:51:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:51:19] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 15:51:25] [INFO ] Implicit Places using invariants and state equation in 6102 ms returned []
Implicit Place search using SMT with State Equation took 7629 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 354/366 places, 794/800 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 9328 ms. Remains : 354/366 places, 794/800 transitions.
[2026-05-26 15:51:25] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:51:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[26]
RANDOM walk for 1000000 steps (527 resets) in 4157 ms. (240 steps per ms)
BEST_FIRST walk for 1000001 steps (208 resets) in 2011 ms. (497 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[26]
[2026-05-26 15:51:31] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:51:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:51:31] [INFO ] [Real]Absence check using 15 positive place invariants in 10 ms returned sat
[2026-05-26 15:51:31] [INFO ] [Real]Absence check using 15 positive and 27 generalized place invariants in 19 ms returned sat
[2026-05-26 15:51:31] [INFO ] [Real]Absence check using state equation in 606 ms returned sat
[2026-05-26 15:51:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:51:32] [INFO ] [Nat]Absence check using 15 positive place invariants in 17 ms returned sat
[2026-05-26 15:51:32] [INFO ] [Nat]Absence check using 15 positive and 27 generalized place invariants in 32 ms returned sat
[2026-05-26 15:51:32] [INFO ] [Nat]Absence check using state equation in 514 ms returned sat
[2026-05-26 15:51:32] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 15:51:33] [INFO ] [Nat]Added 72 Read/Feed constraints in 371 ms returned sat
[2026-05-26 15:51:33] [INFO ] Computed and/alt/rep : 408/1911/402 causal constraints (skipped 378 transitions) in 151 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:51:36] [INFO ] Deduced a trap composed of 113 places in 581 ms of which 100 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:51:37] [INFO ] Deduced a trap composed of 42 places in 552 ms of which 66 ms to minimize.
[2026-05-26 15:51:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1420 ms
[2026-05-26 15:51:37] [INFO ] Added : 60 causal constraints over 12 iterations in 4587 ms. Result :sat
Minimization took 4324 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[26]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[26]
Support contains 6 out of 354 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 21 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 354/354 places, 794/794 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 24 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-26 15:51:42] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:51:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:51:43] [INFO ] Implicit Places using invariants in 1426 ms returned []
[2026-05-26 15:51:43] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:51:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:51:44] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 15:51:50] [INFO ] Implicit Places using invariants and state equation in 6991 ms returned []
Implicit Place search using SMT with State Equation took 8419 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:51:50] [INFO ] Redundant transitions in 51 ms returned []
Running 792 sub problems to find dead transitions.
[2026-05-26 15:51:50] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:51:50] [INFO ] Invariant cache hit.
[2026-05-26 15:51:50] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:03] [INFO ] Deduced a trap composed of 45 places in 184 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:03] [INFO ] Deduced a trap composed of 45 places in 130 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:04] [INFO ] Deduced a trap composed of 45 places in 125 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:04] [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 15:52:04] [INFO ] Deduced a trap composed of 45 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:04] [INFO ] Deduced a trap composed of 45 places in 539 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:05] [INFO ] Deduced a trap composed of 119 places in 586 ms of which 90 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:06] [INFO ] Deduced a trap composed of 124 places in 571 ms of which 96 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:06] [INFO ] Deduced a trap composed of 113 places in 467 ms of which 90 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:07] [INFO ] Deduced a trap composed of 32 places in 509 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:07] [INFO ] Deduced a trap composed of 32 places in 539 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:08] [INFO ] Deduced a trap composed of 32 places in 483 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:08] [INFO ] Deduced a trap composed of 32 places in 496 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:09] [INFO ] Deduced a trap composed of 15 places in 505 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:10] [INFO ] Deduced a trap composed of 25 places in 209 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:20] [INFO ] Deduced a trap composed of 92 places in 478 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:21] [INFO ] Deduced a trap composed of 3 places in 457 ms of which 22 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 352/1136 variables, and 57 constraints, problems are : Problem set: 0 solved, 792 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 792/792 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 17/57 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:36] [INFO ] Deduced a trap composed of 212 places in 418 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:45] [INFO ] Deduced a trap composed of 114 places in 431 ms of which 68 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 352/1136 variables, and 59 constraints, problems are : Problem set: 0 solved, 792 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/792 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60851ms problems are : Problem set: 0 solved, 792 unsolved
Search for dead transitions found 0 dead transitions in 60856ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69362 ms. Remains : 354/354 places, 794/794 transitions.
RANDOM walk for 40000 steps (20 resets) in 1711 ms. (23 steps per ms) remains 2/2 properties
[2026-05-26 15:52:52] [INFO ] Flatten gal took : 555 ms
BEST_FIRST walk for 40002 steps (13 resets) in 668 ms. (59 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (9 resets) in 363 ms. (109 steps per ms) remains 2/2 properties
[2026-05-26 15:52:52] [INFO ] Flatten gal took : 212 ms
[2026-05-26 15:52:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1630529720661859256.gal : 52 ms
[2026-05-26 15:52:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4980893009406855861.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/ReachabilityCardinality1630529720661859256.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4980893009406855861.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/ReachabilityCardinality4980893009406855861.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 80
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :80 after 392
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :392 after 732
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :732 after 1267
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1267 after 2112
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2112 after 4336
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :4336 after 10218
Interrupted probabilistic random walk after 178970 steps, run timeout after 3001 ms. (steps per millisecond=59 ) properties seen :0 out of 2
Probabilistic random walk after 178970 steps, saw 91651 distinct states, run finished after 3006 ms. (steps per millisecond=59 ) properties seen :0
[2026-05-26 15:52:55] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:52:55] [INFO ] Invariant cache hit.
[2026-05-26 15:52:55] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 269/275 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/297 variables, 6/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:56] [INFO ] Deduced a trap composed of 195 places in 300 ms of which 58 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/311 variables, 7/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/311 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 40/351 variables, 19/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/352 variables, 1/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 782/1134 variables, 352/394 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1134 variables, 72/466 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1134 variables, 0/466 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/1136 variables, 2/468 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1136 variables, 1/469 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1136 variables, 0/469 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1136 variables, 0/469 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1136/1136 variables, and 469 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1265 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 354/354 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 269/275 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/297 variables, 6/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/311 variables, 7/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/311 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 40/351 variables, 19/41 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 15:52:57] [INFO ] Deduced a trap composed of 45 places in 128 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:57] [INFO ] Deduced a trap composed of 45 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:52:57] [INFO ] Deduced a trap composed of 45 places in 86 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 3/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/351 variables, 0/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/352 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/352 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 782/1134 variables, 352/397 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :10218 after 23798
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1134/1136 variables, and 469 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1831 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 352/354 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3114ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 6 out of 354 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 24 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Running 792 sub problems to find dead transitions.
[2026-05-26 15:52:58] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:52:58] [INFO ] Invariant cache hit.
[2026-05-26 15:52:58] [INFO ] State equation strengthened by 72 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 32768
SDD size :23798 after 48458
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:11] [INFO ] Deduced a trap composed of 45 places in 150 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:11] [INFO ] Deduced a trap composed of 45 places in 100 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:11] [INFO ] Deduced a trap composed of 45 places in 86 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:11] [INFO ] Deduced a trap composed of 45 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:11] [INFO ] Deduced a trap composed of 45 places in 78 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:12] [INFO ] Deduced a trap composed of 45 places in 512 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:12] [INFO ] Deduced a trap composed of 119 places in 400 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:13] [INFO ] Deduced a trap composed of 124 places in 319 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:13] [INFO ] Deduced a trap composed of 113 places in 320 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:14] [INFO ] Deduced a trap composed of 32 places in 521 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :48458 after 100874
[2026-05-26 15:53:14] [INFO ] Deduced a trap composed of 32 places in 478 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:14] [INFO ] Deduced a trap composed of 32 places in 437 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:15] [INFO ] Deduced a trap composed of 32 places in 425 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:16] [INFO ] Deduced a trap composed of 15 places in 464 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:17] [INFO ] Deduced a trap composed of 25 places in 278 ms of which 32 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 352/1136 variables, and 55 constraints, problems are : Problem set: 0 solved, 792 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 792/792 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 15/55 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:34] [INFO ] Deduced a trap composed of 210 places in 547 ms of which 119 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :100874 after 322522
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 352/1136 variables, and 56 constraints, problems are : Problem set: 0 solved, 792 unsolved in 20032 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/792 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40753ms problems are : Problem set: 0 solved, 792 unsolved
Search for dead transitions found 0 dead transitions in 40760ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40796 ms. Remains : 354/354 places, 794/794 transitions.
RANDOM walk for 40000 steps (23 resets) in 535 ms. (74 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (13 resets) in 224 ms. (177 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 297874 steps, run timeout after 3001 ms. (steps per millisecond=99 ) properties seen :0 out of 1
Probabilistic random walk after 297874 steps, saw 145606 distinct states, run finished after 3001 ms. (steps per millisecond=99 ) properties seen :0
[2026-05-26 15:53:42] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:53:42] [INFO ] Invariant cache hit.
[2026-05-26 15:53:42] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
At refinement iteration 1 (OVERLAPS) 269/275 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 22/297 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/311 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/311 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 40/351 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/351 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/352 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:53:43] [INFO ] Flatten gal took : 163 ms
[2026-05-26 15:53:43] [INFO ] Applying decomposition
[2026-05-26 15:53:43] [INFO ] Flatten gal took : 141 ms
At refinement iteration 11 (OVERLAPS) 782/1134 variables, 352/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1134 variables, 72/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1134 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/1136 variables, 2/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1136 variables, 1/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1136 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1136 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1136/1136 variables, and 468 constraints, problems are : Problem set: 0 solved, 1 unsolved in 867 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 354/354 constraints, ReadFeed: 72/72 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
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/graph9526141812598584620.txt' '-o' '/tmp/graph9526141812598584620.bin' '-w' '/tmp/graph9526141812598584620.weights'
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9526141812598584620.bin' '-l' '-1' '-v' '-w' '/tmp/graph9526141812598584620.weights' '-q' '0' '-e' '0.001'
At refinement iteration 1 (OVERLAPS) 269/275 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:53:43] [INFO ] Decomposing Gal with order
At refinement iteration 3 (OVERLAPS) 22/297 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:53:43] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/311 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/311 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 40/351 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:44] [INFO ] Deduced a trap composed of 45 places in 136 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:44] [INFO ] Deduced a trap composed of 45 places in 86 ms of which 11 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/351 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/352 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:53:44] [INFO ] Removed a total of 573 redundant transitions.
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:53:44] [INFO ] Flatten gal took : 361 ms
[2026-05-26 15:53:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 328 labels/synchronizations in 53 ms.
At refinement iteration 12 (OVERLAPS) 782/1134 variables, 352/395 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:53:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3152406084271303568.gal : 30 ms
[2026-05-26 15:53:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8677900327725586573.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/ReachabilityCardinality3152406084271303568.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8677900327725586573.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/ReachabilityCardinality8677900327725586573.prop.
At refinement iteration 13 (INCLUDED_ONLY) 0/1134 variables, 72/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 7
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :7 after 14
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :14 after 28
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :28 after 74
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :74 after 130
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :130 after 302
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :302 after 499
At refinement iteration 14 (INCLUDED_ONLY) 0/1134 variables, 1/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :499 after 942
At refinement iteration 15 (INCLUDED_ONLY) 0/1134 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1136 variables, 2/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1136 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :942 after 2738
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:53:46] [INFO ] Deduced a trap composed of 15 places in 376 ms of which 27 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2738 after 10076
At refinement iteration 18 (INCLUDED_ONLY) 0/1136 variables, 1/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1136 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1136 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1136/1136 variables, and 472 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3558 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 354/354 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4451ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 6 out of 354 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 17 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 354/354 places, 794/794 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 16 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-26 15:53:47] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:53:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:53:48] [INFO ] Implicit Places using invariants in 1482 ms returned []
[2026-05-26 15:53:48] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:53:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:53:49] [INFO ] State equation strengthened by 72 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :30964 after 40644
[2026-05-26 15:53:55] [INFO ] Implicit Places using invariants and state equation in 6868 ms returned []
Implicit Place search using SMT with State Equation took 8354 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:53:55] [INFO ] Redundant transitions in 11 ms returned []
Running 792 sub problems to find dead transitions.
[2026-05-26 15:53:55] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:53:55] [INFO ] Invariant cache hit.
[2026-05-26 15:53:55] [INFO ] State equation strengthened by 72 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 :40644 after 98198
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:06] [INFO ] Deduced a trap composed of 45 places in 157 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:06] [INFO ] Deduced a trap composed of 45 places in 105 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:06] [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 15:54:06] [INFO ] Deduced a trap composed of 45 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:06] [INFO ] Deduced a trap composed of 45 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 15:54:07] [INFO ] Deduced a trap composed of 45 places in 336 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:07] [INFO ] Deduced a trap composed of 119 places in 320 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:07] [INFO ] Deduced a trap composed of 124 places in 327 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:08] [INFO ] Deduced a trap composed of 113 places in 326 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:08] [INFO ] Deduced a trap composed of 32 places in 336 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:08] [INFO ] Deduced a trap composed of 32 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 15:54:09] [INFO ] Deduced a trap composed of 32 places in 285 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:09] [INFO ] Deduced a trap composed of 32 places in 288 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:10] [INFO ] Deduced a trap composed of 15 places in 331 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:10] [INFO ] Deduced a trap composed of 25 places in 177 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:18] [INFO ] Deduced a trap composed of 92 places in 316 ms of which 48 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :453988 after 522621
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:18] [INFO ] Deduced a trap composed of 3 places in 304 ms of which 14 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 17/57 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:24] [INFO ] Deduced a trap composed of 210 places in 362 ms of which 77 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 352/1136 variables, and 58 constraints, problems are : Problem set: 0 solved, 792 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 792/792 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 18/58 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:48] [INFO ] Deduced a trap composed of 114 places in 401 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:50] [INFO ] Deduced a trap composed of 26 places in 512 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:54:51] [INFO ] Deduced a trap composed of 49 places in 487 ms of which 64 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 352/1136 variables, and 61 constraints, problems are : Problem set: 0 solved, 792 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/792 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60611ms problems are : Problem set: 0 solved, 792 unsolved
Search for dead transitions found 0 dead transitions in 60616ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69011 ms. Remains : 354/354 places, 794/794 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[26]
Starting property specific reduction for PolyORBLF-COL-S02J06T06-UpperBounds-06
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:[26]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[26]
[2026-05-26 15:54:56] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:54:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[26]
RANDOM walk for 10001 steps (5 resets) in 40 ms. (243 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 20 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[26]
[2026-05-26 15:54:56] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:54:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:54:56] [INFO ] [Real]Absence check using 15 positive place invariants in 11 ms returned sat
[2026-05-26 15:54:56] [INFO ] [Real]Absence check using 15 positive and 27 generalized place invariants in 21 ms returned sat
[2026-05-26 15:54:57] [INFO ] [Real]Absence check using state equation in 519 ms returned sat
[2026-05-26 15:54:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 15:54:57] [INFO ] [Nat]Absence check using 15 positive place invariants in 16 ms returned sat
[2026-05-26 15:54:57] [INFO ] [Nat]Absence check using 15 positive and 27 generalized place invariants in 31 ms returned sat
[2026-05-26 15:54:57] [INFO ] [Nat]Absence check using state equation in 410 ms returned sat
[2026-05-26 15:54:57] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 15:54:58] [INFO ] [Nat]Added 72 Read/Feed constraints in 274 ms returned sat
[2026-05-26 15:54:58] [INFO ] Computed and/alt/rep : 408/1911/402 causal constraints (skipped 378 transitions) in 84 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:00] [INFO ] Deduced a trap composed of 113 places in 488 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:00] [INFO ] Deduced a trap composed of 42 places in 429 ms of which 44 ms to minimize.
[2026-05-26 15:55:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1146 ms
[2026-05-26 15:55:01] [INFO ] Added : 60 causal constraints over 12 iterations in 3132 ms. Result :sat
Minimization took 635 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[26]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[26]
Support contains 6 out of 354 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 24 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Running 792 sub problems to find dead transitions.
[2026-05-26 15:55:01] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:55:01] [INFO ] Invariant cache hit.
[2026-05-26 15:55:01] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:14] [INFO ] Deduced a trap composed of 45 places in 283 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:14] [INFO ] Deduced a trap composed of 45 places in 198 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:14] [INFO ] Deduced a trap composed of 45 places in 137 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:14] [INFO ] Deduced a trap composed of 45 places in 94 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:15] [INFO ] Deduced a trap composed of 45 places in 102 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:15] [INFO ] Deduced a trap composed of 45 places in 523 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:16] [INFO ] Deduced a trap composed of 119 places in 553 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:16] [INFO ] Deduced a trap composed of 124 places in 562 ms of which 97 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:17] [INFO ] Deduced a trap composed of 113 places in 554 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:17] [INFO ] Deduced a trap composed of 32 places in 534 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:18] [INFO ] Deduced a trap composed of 32 places in 566 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:19] [INFO ] Deduced a trap composed of 32 places in 553 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:19] [INFO ] Deduced a trap composed of 32 places in 520 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:20] [INFO ] Deduced a trap composed of 15 places in 522 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:22] [INFO ] Deduced a trap composed of 25 places in 299 ms of which 34 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 352/1136 variables, and 55 constraints, problems are : Problem set: 0 solved, 792 unsolved in 20079 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 792/792 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 15/55 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:38] [INFO ] Deduced a trap composed of 210 places in 544 ms of which 118 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 352/1136 variables, and 56 constraints, problems are : Problem set: 0 solved, 792 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/792 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40878ms problems are : Problem set: 0 solved, 792 unsolved
Search for dead transitions found 0 dead transitions in 40882ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40912 ms. Remains : 354/354 places, 794/794 transitions.
[2026-05-26 15:55:42] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:55:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[26]
RANDOM walk for 1000000 steps (523 resets) in 4252 ms. (235 steps per ms)
BEST_FIRST walk for 1000001 steps (216 resets) in 2312 ms. (432 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[26]
[2026-05-26 15:55:49] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:55:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:55:49] [INFO ] [Real]Absence check using 15 positive place invariants in 17 ms returned sat
[2026-05-26 15:55:49] [INFO ] [Real]Absence check using 15 positive and 27 generalized place invariants in 32 ms returned sat
[2026-05-26 15:55:50] [INFO ] [Real]Absence check using state equation in 699 ms returned sat
[2026-05-26 15:55:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 15:55:50] [INFO ] [Nat]Absence check using 15 positive place invariants in 17 ms returned sat
[2026-05-26 15:55:50] [INFO ] [Nat]Absence check using 15 positive and 27 generalized place invariants in 34 ms returned sat
[2026-05-26 15:55:51] [INFO ] [Nat]Absence check using state equation in 547 ms returned sat
[2026-05-26 15:55:51] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 15:55:51] [INFO ] [Nat]Added 72 Read/Feed constraints in 249 ms returned sat
[2026-05-26 15:55:51] [INFO ] Computed and/alt/rep : 408/1911/402 causal constraints (skipped 378 transitions) in 87 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:54] [INFO ] Deduced a trap composed of 113 places in 575 ms of which 98 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:55:54] [INFO ] Deduced a trap composed of 42 places in 556 ms of which 66 ms to minimize.
[2026-05-26 15:55:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1439 ms
[2026-05-26 15:55:55] [INFO ] Added : 60 causal constraints over 12 iterations in 3775 ms. Result :sat
Minimization took 4521 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[26]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[26]
Support contains 6 out of 354 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 25 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 354/354 places, 794/794 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 23 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-26 15:55:59] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:55:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:56:01] [INFO ] Implicit Places using invariants in 1984 ms returned []
[2026-05-26 15:56:01] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:56:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 15:56:02] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-26 15:56:08] [INFO ] Implicit Places using invariants and state equation in 6420 ms returned []
Implicit Place search using SMT with State Equation took 8418 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:56:08] [INFO ] Redundant transitions in 6 ms returned []
Running 792 sub problems to find dead transitions.
[2026-05-26 15:56:08] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:56:08] [INFO ] Invariant cache hit.
[2026-05-26 15:56:08] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:19] [INFO ] Deduced a trap composed of 45 places in 143 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:19] [INFO ] Deduced a trap composed of 45 places in 101 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:19] [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 15:56:19] [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 15:56:19] [INFO ] Deduced a trap composed of 45 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:19] [INFO ] Deduced a trap composed of 45 places in 343 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:20] [INFO ] Deduced a trap composed of 119 places in 523 ms of which 90 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:20] [INFO ] Deduced a trap composed of 124 places in 392 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:21] [INFO ] Deduced a trap composed of 113 places in 512 ms of which 88 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:21] [INFO ] Deduced a trap composed of 32 places in 364 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:22] [INFO ] Deduced a trap composed of 32 places in 322 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:22] [INFO ] Deduced a trap composed of 32 places in 315 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:22] [INFO ] Deduced a trap composed of 32 places in 325 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:23] [INFO ] Deduced a trap composed of 15 places in 468 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:24] [INFO ] Deduced a trap composed of 25 places in 170 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:33] [INFO ] Deduced a trap composed of 92 places in 302 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:34] [INFO ] Deduced a trap composed of 3 places in 364 ms of which 14 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 17/57 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 352/1136 variables, and 57 constraints, problems are : Problem set: 0 solved, 792 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 792/792 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 17/57 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:56:53] [INFO ] Deduced a trap composed of 212 places in 543 ms of which 118 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:02] [INFO ] Deduced a trap composed of 114 places in 510 ms of which 90 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 352/1136 variables, and 59 constraints, problems are : Problem set: 0 solved, 792 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/792 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60566ms problems are : Problem set: 0 solved, 792 unsolved
Search for dead transitions found 0 dead transitions in 60568ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69029 ms. Remains : 354/354 places, 794/794 transitions.
RANDOM walk for 40000 steps (18 resets) in 462 ms. (86 steps per ms) remains 2/2 properties
[2026-05-26 15:57:08] [INFO ] Flatten gal took : 234 ms
BEST_FIRST walk for 40003 steps (10 resets) in 186 ms. (213 steps per ms) remains 2/2 properties
[2026-05-26 15:57:09] [INFO ] Flatten gal took : 124 ms
BEST_FIRST walk for 40003 steps (15 resets) in 305 ms. (130 steps per ms) remains 2/2 properties
[2026-05-26 15:57:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6632549765332350046.gal : 25 ms
[2026-05-26 15:57:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3678781576376729306.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/ReachabilityCardinality6632549765332350046.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3678781576376729306.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/ReachabilityCardinality3678781576376729306.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 80
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :80 after 392
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :392 after 732
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :732 after 1267
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1267 after 2112
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :2112 after 4336
Interrupted probabilistic random walk after 180191 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :0 out of 2
Probabilistic random walk after 180191 steps, saw 92223 distinct states, run finished after 3005 ms. (steps per millisecond=59 ) properties seen :0
[2026-05-26 15:57:12] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:57:12] [INFO ] Invariant cache hit.
[2026-05-26 15:57:12] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 1 (OVERLAPS) 269/275 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/297 variables, 6/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :4336 after 10218
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:12] [INFO ] Deduced a trap composed of 195 places in 380 ms of which 58 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/311 variables, 7/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/311 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 40/351 variables, 19/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 0/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/352 variables, 1/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 782/1134 variables, 352/394 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1134 variables, 72/466 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1134 variables, 0/466 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/1136 variables, 2/468 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1136 variables, 1/469 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1136 variables, 0/469 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1136 variables, 0/469 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1136/1136 variables, and 469 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1219 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 354/354 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 269/275 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/297 variables, 6/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/297 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 14/311 variables, 7/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/311 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 40/351 variables, 19/41 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 15:57:13] [INFO ] Deduced a trap composed of 45 places in 120 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:13] [INFO ] Deduced a trap composed of 45 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:13] [INFO ] Deduced a trap composed of 45 places in 72 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 3/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/351 variables, 0/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/352 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/352 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 782/1134 variables, 352/397 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1134/1136 variables, and 469 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1630 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 352/354 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2863ms problems are : Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
Parikh walk visited 0 properties in 25 ms.
Support contains 6 out of 354 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
SDD size :10218 after 23798
Applied a total of 0 rules in 26 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Running 792 sub problems to find dead transitions.
[2026-05-26 15:57:14] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:57:14] [INFO ] Invariant cache hit.
[2026-05-26 15:57:14] [INFO ] State equation strengthened by 72 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 32768
SDD size :23798 after 48458
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:24] [INFO ] Deduced a trap composed of 45 places in 149 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:24] [INFO ] Deduced a trap composed of 45 places in 124 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:24] [INFO ] Deduced a trap composed of 45 places in 135 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:24] [INFO ] Deduced a trap composed of 45 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:24] [INFO ] Deduced a trap composed of 45 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 15:57:25] [INFO ] Deduced a trap composed of 45 places in 424 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:25] [INFO ] Deduced a trap composed of 119 places in 324 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:25] [INFO ] Deduced a trap composed of 124 places in 323 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:26] [INFO ] Deduced a trap composed of 113 places in 757 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:27] [INFO ] Deduced a trap composed of 32 places in 299 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:27] [INFO ] Deduced a trap composed of 32 places in 300 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:27] [INFO ] Deduced a trap composed of 32 places in 324 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:28] [INFO ] Deduced a trap composed of 32 places in 320 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:29] [INFO ] Deduced a trap composed of 15 places in 567 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:30] [INFO ] Deduced a trap composed of 25 places in 174 ms of which 21 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :48458 after 100874
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 352/1136 variables, and 55 constraints, problems are : Problem set: 0 solved, 792 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 792/792 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 15/55 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:49] [INFO ] Deduced a trap composed of 210 places in 326 ms of which 71 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :100874 after 322522
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 352/1136 variables, and 56 constraints, problems are : Problem set: 0 solved, 792 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/792 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40695ms problems are : Problem set: 0 solved, 792 unsolved
Search for dead transitions found 0 dead transitions in 40698ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40726 ms. Remains : 354/354 places, 794/794 transitions.
RANDOM walk for 40000 steps (19 resets) in 202 ms. (197 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (16 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 291740 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 1
Probabilistic random walk after 291740 steps, saw 142831 distinct states, run finished after 3001 ms. (steps per millisecond=97 ) properties seen :0
[2026-05-26 15:57:58] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:57:58] [INFO ] Invariant cache hit.
[2026-05-26 15:57:58] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 269/275 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 22/297 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/311 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/311 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 40/351 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/351 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/352 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/352 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2026-05-26 15:57:59] [INFO ] Flatten gal took : 49 ms
[2026-05-26 15:57:59] [INFO ] Applying decomposition
At refinement iteration 11 (OVERLAPS) 782/1134 variables, 352/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:57:59] [INFO ] Flatten gal took : 47 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/graph3275594995123307310.txt' '-o' '/tmp/graph3275594995123307310.bin' '-w' '/tmp/graph3275594995123307310.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3275594995123307310.bin' '-l' '-1' '-v' '-w' '/tmp/graph3275594995123307310.weights' '-q' '0' '-e' '0.001'
[2026-05-26 15:57:59] [INFO ] Decomposing Gal with order
[2026-05-26 15:57:59] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 12 (INCLUDED_ONLY) 0/1134 variables, 72/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1134 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/1136 variables, 2/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1136 variables, 1/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1136 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1136 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1136/1136 variables, and 468 constraints, problems are : Problem set: 0 solved, 1 unsolved in 739 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 354/354 constraints, ReadFeed: 72/72 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 269/275 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:57:59] [INFO ] Removed a total of 526 redundant transitions.
At refinement iteration 2 (INCLUDED_ONLY) 0/275 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/297 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/297 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 14/311 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-26 15:57:59] [INFO ] Flatten gal took : 206 ms
At refinement iteration 6 (INCLUDED_ONLY) 0/311 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 40/351 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 589 labels/synchronizations in 58 ms.
[2026-05-26 15:57:59] [INFO ] Deduced a trap composed of 45 places in 131 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:57:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3094574928851626774.gal : 27 ms
[2026-05-26 15:57:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1712792744030845598.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/ReachabilityCardinality3094574928851626774.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1712792744030845598.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
[2026-05-26 15:58:00] [INFO ] Deduced a trap composed of 45 places in 118 ms of which 15 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/351 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/351 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/352 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/352 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality1712792744030845598.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 12
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :12 after 13
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :13 after 14
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14 after 16
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :16 after 18
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :18 after 34
At refinement iteration 12 (OVERLAPS) 782/1134 variables, 352/395 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :34 after 146
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :146 after 170
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :170 after 672
At refinement iteration 13 (INCLUDED_ONLY) 0/1134 variables, 72/467 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :672 after 1605
At refinement iteration 14 (INCLUDED_ONLY) 0/1134 variables, 1/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1134 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1136 variables, 2/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1136 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:01] [INFO ] Deduced a trap composed of 15 places in 376 ms of which 41 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1136 variables, 1/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1136 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1136 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1136/1136 variables, and 472 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3603 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 354/354 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4361ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 32 ms.
Support contains 6 out of 354 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 23 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 354/354 places, 794/794 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 354/354 places, 794/794 transitions.
Applied a total of 0 rules in 21 ms. Remains 354 /354 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-26 15:58:03] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:58:03] [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
[2026-05-26 15:58:04] [INFO ] Implicit Places using invariants in 1649 ms returned []
[2026-05-26 15:58:04] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:58:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD size :30964 after 31314
[2026-05-26 15:58:05] [INFO ] State equation strengthened by 72 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :31314 after 77916
[2026-05-26 15:58:11] [INFO ] Implicit Places using invariants and state equation in 6896 ms returned []
Implicit Place search using SMT with State Equation took 8548 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 15:58:11] [INFO ] Redundant transitions in 11 ms returned []
Running 792 sub problems to find dead transitions.
[2026-05-26 15:58:11] [INFO ] Flow matrix only has 782 transitions (discarded 12 similar events)
[2026-05-26 15:58:11] [INFO ] Invariant cache hit.
[2026-05-26 15:58:11] [INFO ] State equation strengthened by 72 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:20] [INFO ] Deduced a trap composed of 45 places in 151 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:20] [INFO ] Deduced a trap composed of 45 places in 105 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:20] [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 15:58:20] [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 15:58:20] [INFO ] Deduced a trap composed of 45 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 15:58:21] [INFO ] Deduced a trap composed of 45 places in 344 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :77916 after 337470
[2026-05-26 15:58:21] [INFO ] Deduced a trap composed of 119 places in 385 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:22] [INFO ] Deduced a trap composed of 124 places in 417 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:22] [INFO ] Deduced a trap composed of 113 places in 418 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:22] [INFO ] Deduced a trap composed of 32 places in 362 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:23] [INFO ] Deduced a trap composed of 32 places in 395 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:23] [INFO ] Deduced a trap composed of 32 places in 537 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:24] [INFO ] Deduced a trap composed of 32 places in 521 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:25] [INFO ] Deduced a trap composed of 15 places in 433 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:26] [INFO ] Deduced a trap composed of 25 places in 213 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:36] [INFO ] Deduced a trap composed of 92 places in 485 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:37] [INFO ] Deduced a trap composed of 3 places in 434 ms of which 21 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 17/57 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 352/1136 variables, and 57 constraints, problems are : Problem set: 0 solved, 792 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 792/792 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/352 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 792 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/352 variables, 26/40 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/352 variables, 17/57 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:58:56] [INFO ] Deduced a trap composed of 212 places in 568 ms of which 120 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 15:59:05] [INFO ] Deduced a trap composed of 114 places in 521 ms of which 92 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/352 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 792 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 352/1136 variables, and 59 constraints, problems are : Problem set: 0 solved, 792 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 26/27 constraints, State Equation: 0/354 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/792 constraints, Known Traps: 19/19 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60795ms problems are : Problem set: 0 solved, 792 unsolved
Search for dead transitions found 0 dead transitions in 60799ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69406 ms. Remains : 354/354 places, 794/794 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[26]
Ending property specific reduction for PolyORBLF-COL-S02J06T06-UpperBounds-06 in 256161 ms.
[2026-05-26 15:59:12] [INFO ] Flatten gal took : 41 ms
[2026-05-26 15:59:12] [INFO ] Applying decomposition
[2026-05-26 15:59:12] [INFO ] Flatten gal took : 42 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17948005636918236530.txt' '-o' '/tmp/graph17948005636918236530.bin' '-w' '/tmp/graph17948005636918236530.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17948005636918236530.bin' '-l' '-1' '-v' '-w' '/tmp/graph17948005636918236530.weights' '-q' '0' '-e' '0.001'
[2026-05-26 15:59:12] [INFO ] Decomposing Gal with order
[2026-05-26 15:59:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 15:59:12] [INFO ] Removed a total of 608 redundant transitions.
[2026-05-26 15:59:13] [INFO ] Flatten gal took : 123 ms
[2026-05-26 15:59:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 663 labels/synchronizations in 48 ms.
[2026-05-26 15:59:13] [INFO ] Time to serialize gal into /tmp/UpperBounds18053106091083443763.gal : 9 ms
[2026-05-26 15:59:13] [INFO ] Time to serialize properties into /tmp/UpperBounds13947760951070113313.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/UpperBounds18053106091083443763.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13947760951070113313.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 ...306
Loading property file /tmp/UpperBounds13947760951070113313.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flatf,5.76983e+06,179.022,2429356,2,269278,5,6.3459e+06,6,0,2463,5.33188e+06,0
Total reachable state count : 5769828
Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property PolyORBLF-COL-S02J06T06-UpperBounds-06 :0 <= gi0.gu1.TryAllocateOneTaskE_0+gi0.gu1.TryAllocateOneTaskE_1+gi0.gu1.TryAllocateOneTaskE_2+gi0....245
FORMULA PolyORBLF-COL-S02J06T06-UpperBounds-06 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
PolyORBLF-COL-S02J06T06-UpperBounds-06,0,179.401,2429356,1,0,7,6.3459e+06,9,1,3521,5.33188e+06,4
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 729577 ms.
BK_STOP 1779811333401
--------------------
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-S02J06T06"
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-S02J06T06, 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-177969946300037"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-COL-S02J06T06.tgz
mv PolyORBLF-COL-S02J06T06 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 ;