About the Execution of 2025-gold for PolyORBLF-PT-S02J04T10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 12057.579 | 3600000.00 | 4072440.00 | 18693.10 | 1 ? 1 1 1 9 1 1 10 1 ? 1 1 1 1 1 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r223-smll-177969946400054.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-PT-S02J04T10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-smll-177969946400054
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 25K Mar 8 15:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 148K Mar 8 15:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 20K Mar 8 15:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 107K 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 11K Mar 16 08:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K Mar 16 08:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 16 08:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 16 08:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 39K Mar 8 15:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 215K Mar 8 15:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 62K Mar 8 15:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 318K Mar 8 15:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 16 08:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.9K Mar 16 08:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 906K 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-PT-S02J04T10-UpperBounds-00
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-01
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-02
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-03
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-04
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-05
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-06
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-07
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-08
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-09
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-10
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-11
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-12
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-13
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-14
FORMULA_NAME PolyORBLF-PT-S02J04T10-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779817286094
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-PT-S02J04T10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-26 17:41:28] [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 17:41:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 17:41:29] [INFO ] Load time of PNML (sax parser for PT used): 374 ms
[2026-05-26 17:41:29] [INFO ] Transformed 752 places.
[2026-05-26 17:41:29] [INFO ] Transformed 1572 transitions.
[2026-05-26 17:41:29] [INFO ] Parsed PT model containing 752 places and 1572 transitions and 7262 arcs in 566 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 19 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Ensure Unique test removed 160 transitions
Reduce redundant transitions removed 160 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[1, 0, 0, 0, 1, 9, 1, 0, 9, 0, 0, 0, 0, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 0, 0, 0, 1, 9, 1, 0, 9, 0, 0, 0, 0, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-26 17:41:29] [INFO ] Flow matrix only has 1392 transitions (discarded 20 similar events)
// Phase 1: matrix 1392 rows 752 cols
[2026-05-26 17:41:29] [INFO ] Computed 54 invariants in 208 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 0, 1, 9, 1, 0, 9, 0, 0, 0, 0, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, 1, +inf, 10, +inf, 20, 1, +inf, 1, +inf, 1, +inf]
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (3 resets) in 212 ms. (46 steps per ms)
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110009 steps (25 resets) in 923 ms. (119 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1, 1, 9, 1, 1, 10, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 10, +inf, 20, +inf, +inf, +inf]
[2026-05-26 17:41:30] [INFO ] Flow matrix only has 1392 transitions (discarded 20 similar events)
[2026-05-26 17:41:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:31] [INFO ] [Real]Absence check using 15 positive place invariants in 39 ms returned sat
[2026-05-26 17:41:31] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 35 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:32] [INFO ] [Real]Absence check using 15 positive place invariants in 36 ms returned sat
[2026-05-26 17:41:32] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 57 ms returned sat
[2026-05-26 17:41:33] [INFO ] [Real]Absence check using state equation in 1756 ms returned sat
[2026-05-26 17:41:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:34] [INFO ] [Nat]Absence check using 15 positive place invariants in 31 ms returned sat
[2026-05-26 17:41:34] [INFO ] [Nat]Absence check using 15 positive and 39 generalized place invariants in 60 ms returned sat
[2026-05-26 17:41:37] [INFO ] [Nat]Absence check using state equation in 2941 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:37] [INFO ] [Real]Absence check using 15 positive place invariants in 24 ms returned sat
[2026-05-26 17:41:37] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 40 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:37] [INFO ] [Real]Absence check using 15 positive place invariants in 23 ms returned sat
[2026-05-26 17:41:37] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 44 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:38] [INFO ] [Real]Absence check using 15 positive place invariants in 24 ms returned sat
[2026-05-26 17:41:38] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 57 ms returned sat
[2026-05-26 17:41:40] [INFO ] [Real]Absence check using state equation in 2026 ms returned sat
[2026-05-26 17:41:40] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 17:41:40] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 17:41:41] [INFO ] [Real]Added 120 Read/Feed constraints in 842 ms returned sat
[2026-05-26 17:41:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:41] [INFO ] [Nat]Absence check using 15 positive place invariants in 27 ms returned sat
[2026-05-26 17:41:41] [INFO ] [Nat]Absence check using 15 positive and 39 generalized place invariants in 57 ms returned sat
[2026-05-26 17:41:43] [INFO ] [Nat]Absence check using state equation in 2209 ms returned sat
[2026-05-26 17:41:44] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 17:41:44] [INFO ] [Nat]Added 120 Read/Feed constraints in 1025 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:44] [INFO ] [Real]Absence check using 15 positive place invariants in 21 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:45] [INFO ] [Real]Absence check using 15 positive place invariants in 26 ms returned sat
[2026-05-26 17:41:45] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 46 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:45] [INFO ] [Real]Absence check using 15 positive place invariants in 38 ms returned sat
[2026-05-26 17:41:45] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 43 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:45] [INFO ] [Real]Absence check using 15 positive place invariants in 26 ms returned sat
[2026-05-26 17:41:45] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 62 ms returned sat
[2026-05-26 17:41:49] [INFO ] [Real]Absence check using state equation in 3170 ms returned sat
[2026-05-26 17:41:49] [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 17:41:49] [INFO ] [Nat]Absence check using 15 positive place invariants in 15 ms returned sat
[2026-05-26 17:41:49] [INFO ] [Nat]Absence check using 15 positive and 39 generalized place invariants in 31 ms returned sat
[2026-05-26 17:41:51] [INFO ] [Nat]Absence check using state equation in 2326 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:51] [INFO ] [Real]Absence check using 15 positive place invariants in 26 ms returned sat
[2026-05-26 17:41:51] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 45 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 17:41:52] [INFO ] [Real]Absence check using 15 positive place invariants in 26 ms returned sat
[2026-05-26 17:41:52] [INFO ] [Real]Absence check using 15 positive and 39 generalized place invariants in 44 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1, 1, 9, 1, 1, 10, 1, 1, 1] Max Struct:[1, +inf, 1, 1, +inf, 1, 1, 10, +inf, 1, 1]
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-08 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 9, 1] Max Struct:[+inf, +inf, +inf]
Support contains 21 out of 752 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 752/752 places, 1412/1412 transitions.
Ensure Unique test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 92 rules applied. Total rules applied 92 place count 750 transition count 1322
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 182 place count 660 transition count 1322
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 182 place count 660 transition count 1242
Deduced a syphon composed of 80 places in 5 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 342 place count 580 transition count 1242
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 4 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 2 with 120 rules applied. Total rules applied 462 place count 520 transition count 1182
Free-agglomeration rule (complex) applied 20 times.
Iterating global reduction 2 with 20 rules applied. Total rules applied 482 place count 520 transition count 1162
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 502 place count 500 transition count 1162
Applied a total of 502 rules in 544 ms. Remains 500 /752 variables (removed 252) and now considering 1162/1412 (removed 250) transitions.
Running 1160 sub problems to find dead transitions.
[2026-05-26 17:41:52] [INFO ] Flow matrix only has 1142 transitions (discarded 20 similar events)
// Phase 1: matrix 1142 rows 500 cols
[2026-05-26 17:41:52] [INFO ] Computed 52 invariants in 56 ms
[2026-05-26 17:41:52] [INFO ] State equation strengthened by 120 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/498 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1160 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/498 variables, 34/50 constraints. Problems are: Problem set: 0 solved, 1160 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:42:15] [INFO ] Deduced a trap composed of 40 places in 372 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:42:15] [INFO ] Deduced a trap composed of 40 places in 207 ms of which 29 ms to minimize.
SMT process timed out in 22518ms, After SMT, problems are : Problem set: 0 solved, 1160 unsolved
Search for dead transitions found 0 dead transitions in 22559ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23150 ms. Remains : 500/752 places, 1162/1412 transitions.
[2026-05-26 17:42:15] [INFO ] Flow matrix only has 1142 transitions (discarded 20 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 17:57:25] [INFO ] Flow matrix only has 1142 transitions (discarded 20 similar events)
[2026-05-26 17:57:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 9, 1] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000000 steps (353 resets) in 7673 ms. (130 steps per ms)
BEST_FIRST walk for 3000002 steps (138 resets) in 9898 ms. (303 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 9, 1] Max Struct:[+inf, +inf, +inf]
[2026-05-26 17:57:43] [INFO ] Flow matrix only has 1142 transitions (discarded 20 similar events)
[2026-05-26 17:57:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:57:43] [INFO ] [Real]Absence check using 16 positive place invariants in 14 ms returned sat
[2026-05-26 17:57:43] [INFO ] [Real]Absence check using 16 positive and 36 generalized place invariants in 29 ms returned sat
[2026-05-26 17:57:44] [INFO ] [Real]Absence check using state equation in 1541 ms returned sat
[2026-05-26 17:57:44] [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 17:57:44] [INFO ] [Nat]Absence check using 16 positive place invariants in 14 ms returned sat
[2026-05-26 17:57:44] [INFO ] [Nat]Absence check using 16 positive and 36 generalized place invariants in 28 ms returned sat
[2026-05-26 17:57:46] [INFO ] [Nat]Absence check using state equation in 1044 ms returned sat
[2026-05-26 17:57:46] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 17:57:47] [INFO ] [Nat]Added 120 Read/Feed constraints in 1114 ms returned sat
[2026-05-26 17:57:47] [INFO ] Computed and/alt/rep : 480/1048/470 causal constraints (skipped 670 transitions) in 260 ms.
[2026-05-26 17:57:47] [INFO ] Added : 20 causal constraints over 4 iterations in 739 ms. Result :sat
Minimization took 4989 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:57:53] [INFO ] [Real]Absence check using 16 positive place invariants in 12 ms returned sat
[2026-05-26 17:57:53] [INFO ] [Real]Absence check using 16 positive and 36 generalized place invariants in 22 ms returned sat
[2026-05-26 17:57:54] [INFO ] [Real]Absence check using state equation in 1517 ms returned sat
[2026-05-26 17:57:54] [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 17:57:54] [INFO ] [Nat]Absence check using 16 positive place invariants in 18 ms returned sat
[2026-05-26 17:57:54] [INFO ] [Nat]Absence check using 16 positive and 36 generalized place invariants in 37 ms returned sat
[2026-05-26 17:57:56] [INFO ] [Nat]Absence check using state equation in 1763 ms returned sat
[2026-05-26 17:57:57] [INFO ] [Nat]Added 120 Read/Feed constraints in 899 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:57:58] [INFO ] Deduced a trap composed of 42 places in 624 ms of which 49 ms to minimize.
[2026-05-26 17:57:58] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 695 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:57:58] [INFO ] [Real]Absence check using 16 positive place invariants in 14 ms returned sat
[2026-05-26 17:57:58] [INFO ] [Real]Absence check using 16 positive and 36 generalized place invariants in 24 ms returned sat
[2026-05-26 17:58:00] [INFO ] [Real]Absence check using state equation in 2258 ms returned sat
[2026-05-26 17:58:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 17:58:00] [INFO ] [Nat]Absence check using 16 positive place invariants in 19 ms returned sat
[2026-05-26 17:58:00] [INFO ] [Nat]Absence check using 16 positive and 36 generalized place invariants in 31 ms returned sat
[2026-05-26 17:58:03] [INFO ] [Nat]Absence check using state equation in 2921 ms returned sat
[2026-05-26 17:58:05] [INFO ] [Nat]Added 120 Read/Feed constraints in 1272 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:05] [INFO ] Deduced a trap composed of 40 places in 558 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:06] [INFO ] Deduced a trap composed of 37 places in 323 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:06] [INFO ] Deduced a trap composed of 40 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:07] [INFO ] Deduced a trap composed of 40 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:08] [INFO ] Deduced a trap composed of 40 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:09] [INFO ] Deduced a trap composed of 40 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:09] [INFO ] Deduced a trap composed of 40 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:09] [INFO ] Deduced a trap composed of 41 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:10] [INFO ] Deduced a trap composed of 23 places in 658 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 17:58:11] [INFO ] Deduced a trap composed of 163 places in 729 ms of which 96 ms to minimize.
[2026-05-26 17:58:13] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 8154 ms
[2026-05-26 17:58:13] [INFO ] Computed and/alt/rep : 480/1048/470 causal constraints (skipped 670 transitions) in 110 ms.
[2026-05-26 17:58:14] [INFO ] Added : 49 causal constraints over 10 iterations in 1640 ms. Result :sat
Minimization took 4979 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 9, 1] Max Struct:[+inf, 9, +inf]
FORMULA PolyORBLF-PT-S02J04T10-UpperBounds-05 9 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
Support contains 11 out of 500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 500/500 places, 1162/1162 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 490 transition count 1152
Applied a total of 20 rules in 66 ms. Remains 490 /500 variables (removed 10) and now considering 1152/1162 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 490/500 places, 1152/1162 transitions.
[2026-05-26 17:58:19] [INFO ] Flow matrix only has 1132 transitions (discarded 20 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 18:04:26] [INFO ] Flow matrix only has 1132 transitions (discarded 20 similar events)
// Phase 1: matrix 1132 rows 490 cols
[2026-05-26 18:04:26] [INFO ] Computed 52 invariants in 71 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
RANDOM walk for 1000000 steps (337 resets) in 7272 ms. (137 steps per ms)
BEST_FIRST walk for 2000002 steps (124 resets) in 6193 ms. (322 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
[2026-05-26 18:04:39] [INFO ] Flow matrix only has 1132 transitions (discarded 20 similar events)
[2026-05-26 18:04:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:04:39] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2026-05-26 18:04:39] [INFO ] [Real]Absence check using 12 positive and 40 generalized place invariants in 37 ms returned sat
[2026-05-26 18:04:41] [INFO ] [Real]Absence check using state equation in 1691 ms returned sat
[2026-05-26 18:04:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:04:41] [INFO ] [Nat]Absence check using 12 positive place invariants in 9 ms returned sat
[2026-05-26 18:04:41] [INFO ] [Nat]Absence check using 12 positive and 40 generalized place invariants in 34 ms returned sat
[2026-05-26 18:04:43] [INFO ] [Nat]Absence check using state equation in 1848 ms returned sat
[2026-05-26 18:04:43] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:04:44] [INFO ] [Nat]Added 120 Read/Feed constraints in 756 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:45] [INFO ] Deduced a trap composed of 23 places in 516 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:04:45] [INFO ] Deduced a trap composed of 153 places in 652 ms of which 89 ms to minimize.
[2026-05-26 18:04:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1797 ms
[2026-05-26 18:04:46] [INFO ] Computed and/alt/rep : 470/1038/460 causal constraints (skipped 670 transitions) in 133 ms.
[2026-05-26 18:04:47] [INFO ] Added : 34 causal constraints over 7 iterations in 1326 ms. Result :sat
Minimization took 4596 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:04:52] [INFO ] [Real]Absence check using 12 positive place invariants in 12 ms returned sat
[2026-05-26 18:04:52] [INFO ] [Real]Absence check using 12 positive and 40 generalized place invariants in 44 ms returned sat
[2026-05-26 18:04:53] [INFO ] [Real]Absence check using state equation in 1624 ms returned sat
[2026-05-26 18:04:54] [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 18:04:54] [INFO ] [Nat]Absence check using 12 positive place invariants in 10 ms returned sat
[2026-05-26 18:04:54] [INFO ] [Nat]Absence check using 12 positive and 40 generalized place invariants in 40 ms returned sat
[2026-05-26 18:04:59] [INFO ] [Nat]Absence check using state equation in 5136 ms returned sat
[2026-05-26 18:05:00] [INFO ] [Nat]Added 120 Read/Feed constraints in 1625 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:01] [INFO ] Deduced a trap composed of 39 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:01] [INFO ] Deduced a trap composed of 39 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:02] [INFO ] Deduced a trap composed of 39 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:03] [INFO ] Deduced a trap composed of 23 places in 560 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:04] [INFO ] Deduced a trap composed of 172 places in 604 ms of which 96 ms to minimize.
[2026-05-26 18:05:04] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 3262 ms
[2026-05-26 18:05:04] [INFO ] Computed and/alt/rep : 470/1038/460 causal constraints (skipped 670 transitions) in 103 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:05:11] [INFO ] Deduced a trap composed of 153 places in 780 ms of which 168 ms to minimize.
[2026-05-26 18:05:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1731 ms
[2026-05-26 18:05:13] [INFO ] Added : 73 causal constraints over 15 iterations in 9302 ms. Result :sat
Minimization took 4823 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
Support contains 11 out of 490 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 490/490 places, 1152/1152 transitions.
Applied a total of 0 rules in 40 ms. Remains 490 /490 variables (removed 0) and now considering 1152/1152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 490/490 places, 1152/1152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 490/490 places, 1152/1152 transitions.
Applied a total of 0 rules in 37 ms. Remains 490 /490 variables (removed 0) and now considering 1152/1152 (removed 0) transitions.
[2026-05-26 18:05:18] [INFO ] Flow matrix only has 1132 transitions (discarded 20 similar events)
[2026-05-26 18:05:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:05:20] [INFO ] Implicit Places using invariants in 2454 ms returned [3, 60, 123, 175, 254, 283, 340, 372, 380, 438]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 2459 ms to find 10 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 480/490 places, 1152/1152 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 472 transition count 1144
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 472 transition count 1144
Applied a total of 16 rules in 47 ms. Remains 472 /480 variables (removed 8) and now considering 1144/1152 (removed 8) transitions.
[2026-05-26 18:05:20] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
// Phase 1: matrix 1124 rows 472 cols
[2026-05-26 18:05:20] [INFO ] Computed 42 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:05:22] [INFO ] Implicit Places using invariants in 2047 ms returned []
[2026-05-26 18:05:22] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:05:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:05:24] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:05:47] [INFO ] Implicit Places using invariants and state equation in 24848 ms returned []
Implicit Place search using SMT with State Equation took 26899 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 472/490 places, 1144/1152 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 29447 ms. Remains : 472/490 places, 1144/1152 transitions.
[2026-05-26 18:05:47] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 18:06:27] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:06:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
RANDOM walk for 1000000 steps (318 resets) in 7152 ms. (139 steps per ms)
BEST_FIRST walk for 2000001 steps (135 resets) in 5773 ms. (346 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
[2026-05-26 18:06:40] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:06:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:06:40] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-26 18:06:40] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 33 ms returned sat
[2026-05-26 18:06:42] [INFO ] [Real]Absence check using state equation in 1875 ms returned sat
[2026-05-26 18:06:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:06:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-26 18:06:42] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 31 ms returned sat
[2026-05-26 18:06:43] [INFO ] [Nat]Absence check using state equation in 873 ms returned sat
[2026-05-26 18:06:43] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:06:43] [INFO ] [Nat]Added 120 Read/Feed constraints in 615 ms returned sat
[2026-05-26 18:06:43] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 82 ms.
[2026-05-26 18:06:44] [INFO ] Added : 22 causal constraints over 5 iterations in 571 ms. Result :sat
Minimization took 4947 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:06:49] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2026-05-26 18:06:49] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 30 ms returned sat
[2026-05-26 18:06:50] [INFO ] [Real]Absence check using state equation in 1071 ms returned sat
[2026-05-26 18:06:50] [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 18:06:50] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-26 18:06:50] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 28 ms returned sat
[2026-05-26 18:06:56] [INFO ] [Nat]Absence check using state equation in 5809 ms returned sat
[2026-05-26 18:06:58] [INFO ] [Nat]Added 120 Read/Feed constraints in 1553 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:06:58] [INFO ] Deduced a trap composed of 39 places in 62 ms of which 5 ms to minimize.
[2026-05-26 18:06:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 371 ms
[2026-05-26 18:06:58] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 108 ms.
[2026-05-26 18:06:59] [INFO ] Added : 33 causal constraints over 7 iterations in 1110 ms. Result :sat
Minimization took 4955 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 34 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 32 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-26 18:07:04] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:07:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:07:06] [INFO ] Implicit Places using invariants in 1987 ms returned []
[2026-05-26 18:07:06] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:07:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:07:07] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:07:30] [INFO ] Implicit Places using invariants and state equation in 23419 ms returned []
Implicit Place search using SMT with State Equation took 25414 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:07:30] [INFO ] Redundant transitions in 94 ms returned []
Running 1142 sub problems to find dead transitions.
[2026-05-26 18:07:30] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:07:30] [INFO ] Invariant cache hit.
[2026-05-26 18:07:30] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 39 places in 154 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 39 places in 143 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 39 places in 116 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 39 places in 120 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 39 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 40 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 39 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 39 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:46] [INFO ] Deduced a trap composed of 40 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:47] [INFO ] Deduced a trap composed of 39 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:47] [INFO ] Deduced a trap composed of 23 places in 192 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:50] [INFO ] Deduced a trap composed of 42 places in 541 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:51] [INFO ] Deduced a trap composed of 77 places in 657 ms of which 98 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:07:56] [INFO ] Deduced a trap composed of 280 places in 813 ms of which 179 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 470/1596 variables, and 54 constraints, problems are : Problem set: 0 solved, 1142 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1142/1142 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1142 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/470 variables, 14/54 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 470/1596 variables, and 54 constraints, problems are : Problem set: 0 solved, 1142 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1142 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61324ms problems are : Problem set: 0 solved, 1142 unsolved
Search for dead transitions found 0 dead transitions in 61331ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86890 ms. Remains : 472/472 places, 1144/1144 transitions.
[2026-05-26 18:08:31] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (19 resets) in 1626 ms. (24 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (10 resets) in 524 ms. (76 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 451 ms. (88 steps per ms) remains 2/2 properties
[2026-05-26 18:09:12] [INFO ] Flatten gal took : 342 ms
[2026-05-26 18:09:12] [INFO ] Flatten gal took : 163 ms
[2026-05-26 18:09:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9611234748043402528.gal : 64 ms
[2026-05-26 18:09:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17886922481339615639.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/ReachabilityCardinality9611234748043402528.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17886922481339615639.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17886922481339615639.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :270 after 1832
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1832 after 2040
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2040 after 4460
Interrupted probabilistic random walk after 110286 steps, run timeout after 3001 ms. (steps per millisecond=36 ) properties seen :0 out of 2
Probabilistic random walk after 110286 steps, saw 71073 distinct states, run finished after 3007 ms. (steps per millisecond=36 ) properties seen :0
[2026-05-26 18:09:15] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:09:15] [INFO ] Invariant cache hit.
[2026-05-26 18:09:15] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 415/426 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 12/438 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/438 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 32/470 variables, 17/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4460 after 8266
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1594/1596 variables, and 511 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2189 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 415/426 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 12/438 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/438 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 32/470 variables, 17/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :8266 after 11168
[2026-05-26 18:09:18] [INFO ] Deduced a trap composed of 39 places in 307 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:18] [INFO ] Deduced a trap composed of 39 places in 275 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:18] [INFO ] Deduced a trap composed of 39 places in 201 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:18] [INFO ] Deduced a trap composed of 39 places in 140 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:18] [INFO ] Deduced a trap composed of 39 places in 108 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:19] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:19] [INFO ] Deduced a trap composed of 40 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:19] [INFO ] Deduced a trap composed of 39 places in 67 ms of which 4 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/470 variables, 8/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/470 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :11168 after 27974
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 519 constraints, problems are : Problem set: 0 solved, 2 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7224ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 30 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Running 1142 sub problems to find dead transitions.
[2026-05-26 18:09:22] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:09:22] [INFO ] Invariant cache hit.
[2026-05-26 18:09:22] [INFO ] State equation strengthened by 120 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 :27974 after 356943
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :356943 after 557338
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:42] [INFO ] Deduced a trap composed of 39 places in 163 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:42] [INFO ] Deduced a trap composed of 39 places in 144 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:42] [INFO ] Deduced a trap composed of 39 places in 107 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:42] [INFO ] Deduced a trap composed of 39 places in 112 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:42] [INFO ] Deduced a trap composed of 39 places in 92 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:43] [INFO ] Deduced a trap composed of 40 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:43] [INFO ] Deduced a trap composed of 39 places in 85 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:43] [INFO ] Deduced a trap composed of 39 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 18:09:43] [INFO ] Deduced a trap composed of 40 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:09:43] [INFO ] Deduced a trap composed of 39 places in 87 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 470/1596 variables, and 50 constraints, problems are : Problem set: 0 solved, 1142 unsolved in 20073 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1142/1142 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1142 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
Detected timeout of ITS tools.
[2026-05-26 18:10:03] [INFO ] Flatten gal took : 179 ms
[2026-05-26 18:10:03] [INFO ] Applying decomposition
[2026-05-26 18:10:03] [INFO ] Flatten gal took : 112 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/graph15931519707920419762.txt' '-o' '/tmp/graph15931519707920419762.bin' '-w' '/tmp/graph15931519707920419762.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15931519707920419762.bin' '-l' '-1' '-v' '-w' '/tmp/graph15931519707920419762.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:10:03] [INFO ] Decomposing Gal with order
[2026-05-26 18:10:03] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 2 (INCLUDED_ONLY) 0/470 variables, 10/50 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 470/1596 variables, and 50 constraints, problems are : Problem set: 0 solved, 1142 unsolved in 20058 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1142 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41379ms problems are : Problem set: 0 solved, 1142 unsolved
Search for dead transitions found 0 dead transitions in 41396ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41437 ms. Remains : 472/472 places, 1144/1144 transitions.
RANDOM walk for 40000 steps (11 resets) in 773 ms. (51 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 333 ms. (119 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 268 ms. (148 steps per ms) remains 2/2 properties
[2026-05-26 18:10:04] [INFO ] Removed a total of 991 redundant transitions.
[2026-05-26 18:10:04] [INFO ] Flatten gal took : 654 ms
[2026-05-26 18:10:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 910 labels/synchronizations in 164 ms.
[2026-05-26 18:10:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2307529275139239310.gal : 28 ms
[2026-05-26 18:10:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12930166689392771718.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/ReachabilityCardinality2307529275139239310.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12930166689392771718.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12930166689392771718.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :9 after 19
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :19 after 44
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :44 after 69
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :69 after 114
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :114 after 393
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :393 after 9023
Interrupted probabilistic random walk after 107752 steps, run timeout after 3001 ms. (steps per millisecond=35 ) properties seen :0 out of 2
Probabilistic random walk after 107752 steps, saw 69546 distinct states, run finished after 3001 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-26 18:10:07] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:10:07] [INFO ] Invariant cache hit.
[2026-05-26 18:10:07] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :14940 after 18180
At refinement iteration 1 (OVERLAPS) 415/426 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 12/438 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/438 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 32/470 variables, 17/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/470 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :18180 after 27426
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :27426 after 32020
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :32020 after 36807
At refinement iteration 7 (OVERLAPS) 1124/1594 variables, 470/511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1594 variables, 120/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1594 variables, 0/631 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/1596 variables, 2/633 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1596 variables, 1/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/1596 variables, 0/634 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1596/1596 variables, and 634 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2698 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 472/472 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 415/426 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 12/438 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/438 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 32/470 variables, 17/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:10] [INFO ] Deduced a trap composed of 39 places in 269 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:10] [INFO ] Deduced a trap composed of 39 places in 186 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:11] [INFO ] Deduced a trap composed of 39 places in 189 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:11] [INFO ] Deduced a trap composed of 39 places in 131 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:11] [INFO ] Deduced a trap composed of 39 places in 107 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:11] [INFO ] Deduced a trap composed of 39 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:10:11] [INFO ] Deduced a trap composed of 40 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 18:10:11] [INFO ] Deduced a trap composed of 39 places in 48 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/470 variables, 8/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/470 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :36807 after 40181
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :40181 after 42953
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :44928 after 68279
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1594/1596 variables, and 519 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45009 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 470/472 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47727ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 46 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 472/472 places, 1144/1144 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Applied a total of 0 rules in 25 ms. Remains 472 /472 variables (removed 0) and now considering 1144/1144 (removed 0) transitions.
[2026-05-26 18:10:55] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:10:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-26 18:10:57] [INFO ] Implicit Places using invariants in 2258 ms returned []
[2026-05-26 18:10:57] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:10:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:10:58] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:11:22] [INFO ] Implicit Places using invariants and state equation in 24906 ms returned []
Implicit Place search using SMT with State Equation took 27168 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:11:22] [INFO ] Redundant transitions in 65 ms returned []
Running 1142 sub problems to find dead transitions.
[2026-05-26 18:11:22] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:11:22] [INFO ] Invariant cache hit.
[2026-05-26 18:11:22] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:37] [INFO ] Deduced a trap composed of 39 places in 193 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:38] [INFO ] Deduced a trap composed of 39 places in 160 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:38] [INFO ] Deduced a trap composed of 39 places in 178 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:38] [INFO ] Deduced a trap composed of 39 places in 196 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:38] [INFO ] Deduced a trap composed of 39 places in 97 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:38] [INFO ] Deduced a trap composed of 40 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 18:11:38] [INFO ] Deduced a trap composed of 39 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:38] [INFO ] Deduced a trap composed of 39 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:38] [INFO ] Deduced a trap composed of 40 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 18:11:39] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:39] [INFO ] Deduced a trap composed of 23 places in 208 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:42] [INFO ] Deduced a trap composed of 42 places in 604 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:43] [INFO ] Deduced a trap composed of 77 places in 679 ms of which 109 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:48] [INFO ] Deduced a trap composed of 280 places in 563 ms of which 108 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:53] [INFO ] Deduced a trap composed of 153 places in 510 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:11:54] [INFO ] Deduced a trap composed of 153 places in 524 ms of which 63 ms to minimize.
SMT process timed out in 31546ms, After SMT, problems are : Problem set: 0 solved, 1142 unsolved
Search for dead transitions found 0 dead transitions in 31552ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58822 ms. Remains : 472/472 places, 1144/1144 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 1] Max Struct:[+inf, +inf]
Starting property specific reduction for PolyORBLF-PT-S02J04T10-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-26 18:11:54] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:11:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (3 resets) in 83 ms. (119 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 35 ms. (277 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-26 18:11:54] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:11:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 18:11:54] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-26 18:11:54] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 37 ms returned sat
[2026-05-26 18:11:56] [INFO ] [Real]Absence check using state equation in 1886 ms returned sat
[2026-05-26 18:11:56] [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 18:11:56] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2026-05-26 18:11:56] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 33 ms returned sat
[2026-05-26 18:11:57] [INFO ] [Nat]Absence check using state equation in 900 ms returned sat
[2026-05-26 18:11:57] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:11:57] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 18:11:58] [INFO ] [Nat]Added 120 Read/Feed constraints in 742 ms returned sat
[2026-05-26 18:11:58] [INFO ] Computed and/alt/rep : 462/1022/452 causal constraints (skipped 670 transitions) in 92 ms.
[2026-05-26 18:11:58] [INFO ] Added : 28 causal constraints over 6 iterations in 760 ms. Result :sat
Minimization took 548 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 10 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 471 transition count 1143
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 471 transition count 1143
Applied a total of 2 rules in 36 ms. Remains 471 /472 variables (removed 1) and now considering 1143/1144 (removed 1) transitions.
Running 1141 sub problems to find dead transitions.
[2026-05-26 18:11:59] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
// Phase 1: matrix 1123 rows 471 cols
[2026-05-26 18:11:59] [INFO ] Computed 42 invariants in 17 ms
[2026-05-26 18:11:59] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/469 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/469 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:15] [INFO ] Deduced a trap composed of 39 places in 215 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:15] [INFO ] Deduced a trap composed of 39 places in 198 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:15] [INFO ] Deduced a trap composed of 39 places in 137 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:15] [INFO ] Deduced a trap composed of 39 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 18:12:15] [INFO ] Deduced a trap composed of 40 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:16] [INFO ] Deduced a trap composed of 39 places in 92 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:16] [INFO ] Deduced a trap composed of 39 places in 87 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:16] [INFO ] Deduced a trap composed of 39 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:16] [INFO ] Deduced a trap composed of 39 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:17] [INFO ] Deduced a trap composed of 37 places in 533 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:17] [INFO ] Deduced a trap composed of 23 places in 319 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:18] [INFO ] Deduced a trap composed of 39 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:12:20] [INFO ] Deduced a trap composed of 43 places in 665 ms of which 54 ms to minimize.
SMT process timed out in 21248ms, After SMT, problems are : Problem set: 0 solved, 1141 unsolved
Search for dead transitions found 0 dead transitions in 21253ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21292 ms. Remains : 471/472 places, 1143/1144 transitions.
[2026-05-26 18:12:20] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 18:15:37] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:15:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[440]
RANDOM walk for 1000000 steps (309 resets) in 6794 ms. (147 steps per ms)
BEST_FIRST walk for 1000001 steps (136 resets) in 3555 ms. (281 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[440]
[2026-05-26 18:15:48] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:15:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:15:48] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-26 18:15:48] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 34 ms returned sat
[2026-05-26 18:15:49] [INFO ] [Real]Absence check using state equation in 978 ms returned sat
[2026-05-26 18:15:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:15:49] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2026-05-26 18:15:49] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 51 ms returned sat
[2026-05-26 18:15:51] [INFO ] [Nat]Absence check using state equation in 1663 ms returned sat
[2026-05-26 18:15:51] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:15:52] [INFO ] [Nat]Added 120 Read/Feed constraints in 980 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:15:52] [INFO ] Deduced a trap composed of 23 places in 540 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:15:53] [INFO ] Deduced a trap composed of 153 places in 686 ms of which 120 ms to minimize.
[2026-05-26 18:15:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1725 ms
[2026-05-26 18:15:53] [INFO ] Computed and/alt/rep : 461/1020/451 causal constraints (skipped 670 transitions) in 118 ms.
[2026-05-26 18:15:55] [INFO ] Added : 37 causal constraints over 8 iterations in 1946 ms. Result :sat
Minimization took 4759 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[440]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[440]
Support contains 10 out of 471 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 471/471 places, 1143/1143 transitions.
Applied a total of 0 rules in 35 ms. Remains 471 /471 variables (removed 0) and now considering 1143/1143 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 471/471 places, 1143/1143 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 471/471 places, 1143/1143 transitions.
Applied a total of 0 rules in 22 ms. Remains 471 /471 variables (removed 0) and now considering 1143/1143 (removed 0) transitions.
[2026-05-26 18:16:00] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:16:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:16:02] [INFO ] Implicit Places using invariants in 1495 ms returned []
[2026-05-26 18:16:02] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:16:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:16:04] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:16:23] [INFO ] Implicit Places using invariants and state equation in 21165 ms returned []
Implicit Place search using SMT with State Equation took 22670 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:16:23] [INFO ] Redundant transitions in 44 ms returned []
Running 1141 sub problems to find dead transitions.
[2026-05-26 18:16:23] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:16:23] [INFO ] Invariant cache hit.
[2026-05-26 18:16:23] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/469 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/469 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:41] [INFO ] Deduced a trap composed of 39 places in 145 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:42] [INFO ] Deduced a trap composed of 39 places in 118 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:42] [INFO ] Deduced a trap composed of 39 places in 154 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:42] [INFO ] Deduced a trap composed of 39 places in 160 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:42] [INFO ] Deduced a trap composed of 39 places in 162 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:42] [INFO ] Deduced a trap composed of 39 places in 128 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:42] [INFO ] Deduced a trap composed of 40 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:42] [INFO ] Deduced a trap composed of 39 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:43] [INFO ] Deduced a trap composed of 39 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:43] [INFO ] Deduced a trap composed of 39 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:44] [INFO ] Deduced a trap composed of 23 places in 317 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:16:45] [INFO ] Deduced a trap composed of 77 places in 665 ms of which 67 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 469/1594 variables, and 52 constraints, problems are : Problem set: 0 solved, 1141 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/471 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1141/1141 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1141 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/469 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/469 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/469 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 469/1594 variables, and 52 constraints, problems are : Problem set: 0 solved, 1141 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/471 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1141 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61242ms problems are : Problem set: 0 solved, 1141 unsolved
Search for dead transitions found 0 dead transitions in 61246ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84020 ms. Remains : 471/471 places, 1143/1143 transitions.
[2026-05-26 18:17:24] [INFO ] Flatten gal took : 127 ms
[2026-05-26 18:17:24] [INFO ] Flatten gal took : 135 ms
RANDOM walk for 40000 steps (9 resets) in 848 ms. (47 steps per ms) remains 2/2 properties
[2026-05-26 18:17:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality195223892720510280.gal : 41 ms
[2026-05-26 18:17:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4761462197234029408.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/ReachabilityCardinality195223892720510280.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4761462197234029408.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
BEST_FIRST walk for 40001 steps (11 resets) in 349 ms. (114 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (12 resets) in 652 ms. (61 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality4761462197234029408.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 14
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :14 after 16
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :16 after 17
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :17 after 28
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :28 after 38
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :38 after 270
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :270 after 1880
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1880 after 2054
Interrupted probabilistic random walk after 94715 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :0 out of 2
SDD proceeding with computation,2 properties remain. new max is 2048
Probabilistic random walk after 94715 steps, saw 61087 distinct states, run finished after 3013 ms. (steps per millisecond=31 ) properties seen :0
SDD size :2054 after 4689
[2026-05-26 18:17:28] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:17:28] [INFO ] Invariant cache hit.
[2026-05-26 18:17:28] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 270/280 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/280 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 46/326 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 6/332 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/332 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 7 (OVERLAPS) 135/467 variables, 24/39 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 18:17:29] [INFO ] Deduced a trap composed of 39 places in 482 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :4689 after 8446
[2026-05-26 18:17:29] [INFO ] Deduced a trap composed of 39 places in 554 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:30] [INFO ] Deduced a trap composed of 39 places in 545 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:30] [INFO ] Deduced a trap composed of 39 places in 464 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:31] [INFO ] Deduced a trap composed of 39 places in 534 ms of which 64 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 8192
SDD size :8446 after 11442
[2026-05-26 18:17:31] [INFO ] Deduced a trap composed of 39 places in 445 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:32] [INFO ] Deduced a trap composed of 39 places in 523 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:32] [INFO ] Deduced a trap composed of 39 places in 516 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:33] [INFO ] Deduced a trap composed of 40 places in 444 ms of which 58 ms to minimize.
SMT process timed out in 5086ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 471 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 471/471 places, 1143/1143 transitions.
Applied a total of 0 rules in 24 ms. Remains 471 /471 variables (removed 0) and now considering 1143/1143 (removed 0) transitions.
Running 1141 sub problems to find dead transitions.
[2026-05-26 18:17:33] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:17:33] [INFO ] Invariant cache hit.
[2026-05-26 18:17:33] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :11442 after 28102
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 :28102 after 361988
At refinement iteration 0 (INCLUDED_ONLY) 0/469 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/469 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:47] [INFO ] Deduced a trap composed of 39 places in 153 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:47] [INFO ] Deduced a trap composed of 39 places in 129 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:48] [INFO ] Deduced a trap composed of 39 places in 115 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:48] [INFO ] Deduced a trap composed of 39 places in 127 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:48] [INFO ] Deduced a trap composed of 39 places in 123 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:48] [INFO ] Deduced a trap composed of 39 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:48] [INFO ] Deduced a trap composed of 40 places in 68 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:48] [INFO ] Deduced a trap composed of 39 places in 88 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:49] [INFO ] Deduced a trap composed of 39 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:49] [INFO ] Deduced a trap composed of 39 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 18:17:50] [INFO ] Deduced a trap composed of 23 places in 217 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:17:51] [INFO ] Deduced a trap composed of 77 places in 437 ms of which 68 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :361988 after 570550
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 469/1594 variables, and 52 constraints, problems are : Problem set: 0 solved, 1141 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/471 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1141/1141 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1141 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/469 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/469 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/469 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 469/1594 variables, and 52 constraints, problems are : Problem set: 0 solved, 1141 unsolved in 20042 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/471 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1141 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41432ms problems are : Problem set: 0 solved, 1141 unsolved
Search for dead transitions found 0 dead transitions in 41436ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41465 ms. Remains : 471/471 places, 1143/1143 transitions.
RANDOM walk for 40000 steps (19 resets) in 395 ms. (101 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (10 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
Detected timeout of ITS tools.
[2026-05-26 18:18:15] [INFO ] Flatten gal took : 96 ms
[2026-05-26 18:18:15] [INFO ] Applying decomposition
[2026-05-26 18:18:15] [INFO ] Flatten gal took : 93 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/graph8904017850253749891.txt' '-o' '/tmp/graph8904017850253749891.bin' '-w' '/tmp/graph8904017850253749891.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8904017850253749891.bin' '-l' '-1' '-v' '-w' '/tmp/graph8904017850253749891.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:18:15] [INFO ] Decomposing Gal with order
[2026-05-26 18:18:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:18:15] [INFO ] Removed a total of 1088 redundant transitions.
[2026-05-26 18:18:16] [INFO ] Flatten gal took : 318 ms
[2026-05-26 18:18:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 766 labels/synchronizations in 63 ms.
[2026-05-26 18:18:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7398152162572940787.gal : 16 ms
[2026-05-26 18:18:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12848365672736076354.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/ReachabilityCardinality7398152162572940787.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12848365672736076354.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12848365672736076354.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 18
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :18 after 22
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :22 after 58
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :58 after 130
Interrupted probabilistic random walk after 161203 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :0 out of 1
Probabilistic random walk after 161203 steps, saw 102163 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
[2026-05-26 18:18:18] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:18:18] [INFO ] Invariant cache hit.
[2026-05-26 18:18:18] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 270/280 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/280 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 46/326 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/332 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/332 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 135/467 variables, 24/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/469 variables, 2/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/469 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :130 after 1136
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1136 after 1170
At refinement iteration 11 (OVERLAPS) 1123/1592 variables, 469/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1592 variables, 120/630 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1170 after 1224
At refinement iteration 13 (INCLUDED_ONLY) 0/1592 variables, 0/630 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/1594 variables, 2/632 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1594 variables, 1/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1594 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1594 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1594/1594 variables, and 633 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1298 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 471/471 constraints, ReadFeed: 120/120 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) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 270/280 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/280 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 46/326 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/332 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/332 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 135/467 variables, 24/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1224 after 1340
[2026-05-26 18:18:20] [INFO ] Deduced a trap composed of 39 places in 552 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:18:20] [INFO ] Deduced a trap composed of 39 places in 554 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:18:21] [INFO ] Deduced a trap composed of 39 places in 533 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1340 after 1682
[2026-05-26 18:18:21] [INFO ] Deduced a trap composed of 39 places in 526 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:18:22] [INFO ] Deduced a trap composed of 39 places in 516 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:18:22] [INFO ] Deduced a trap composed of 40 places in 445 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:18:23] [INFO ] Deduced a trap composed of 39 places in 517 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1682 after 2748
[2026-05-26 18:18:23] [INFO ] Deduced a trap composed of 172 places in 558 ms of which 96 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:18:24] [INFO ] Deduced a trap composed of 162 places in 529 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:18:24] [INFO ] Deduced a trap composed of 39 places in 50 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/467 variables, 10/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/467 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/469 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/469 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2748 after 4444
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1592/1594 variables, and 520 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10340 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 469/471 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11652ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 63 ms.
Support contains 10 out of 471 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 471/471 places, 1143/1143 transitions.
Applied a total of 0 rules in 23 ms. Remains 471 /471 variables (removed 0) and now considering 1143/1143 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 471/471 places, 1143/1143 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 471/471 places, 1143/1143 transitions.
Applied a total of 0 rules in 22 ms. Remains 471 /471 variables (removed 0) and now considering 1143/1143 (removed 0) transitions.
[2026-05-26 18:18:29] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:18:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:18:31] [INFO ] Implicit Places using invariants in 1643 ms returned []
[2026-05-26 18:18:31] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:18:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:18:33] [INFO ] State equation strengthened by 120 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4444 after 5312
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :5312 after 30712
[2026-05-26 18:18:52] [INFO ] Implicit Places using invariants and state equation in 21038 ms returned []
Implicit Place search using SMT with State Equation took 22685 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:18:52] [INFO ] Redundant transitions in 20 ms returned []
Running 1141 sub problems to find dead transitions.
[2026-05-26 18:18:52] [INFO ] Flow matrix only has 1123 transitions (discarded 20 similar events)
[2026-05-26 18:18:52] [INFO ] Invariant cache hit.
[2026-05-26 18:18:52] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/469 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/469 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:08] [INFO ] Deduced a trap composed of 39 places in 168 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:09] [INFO ] Deduced a trap composed of 39 places in 192 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:09] [INFO ] Deduced a trap composed of 39 places in 156 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:09] [INFO ] Deduced a trap composed of 39 places in 151 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:09] [INFO ] Deduced a trap composed of 39 places in 128 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:09] [INFO ] Deduced a trap composed of 39 places in 134 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:09] [INFO ] Deduced a trap composed of 40 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:09] [INFO ] Deduced a trap composed of 39 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:10] [INFO ] Deduced a trap composed of 39 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:10] [INFO ] Deduced a trap composed of 39 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:11] [INFO ] Deduced a trap composed of 23 places in 320 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:12] [INFO ] Deduced a trap composed of 77 places in 712 ms of which 112 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 469/1594 variables, and 52 constraints, problems are : Problem set: 0 solved, 1141 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/471 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1141/1141 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1141 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/469 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/469 variables, 27/40 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/469 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1141 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 469/1594 variables, and 52 constraints, problems are : Problem set: 0 solved, 1141 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/471 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1141 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61561ms problems are : Problem set: 0 solved, 1141 unsolved
Search for dead transitions found 0 dead transitions in 61564ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84304 ms. Remains : 471/471 places, 1143/1143 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[440]
Ending property specific reduction for PolyORBLF-PT-S02J04T10-UpperBounds-01 in 479984 ms.
Starting property specific reduction for PolyORBLF-PT-S02J04T10-UpperBounds-10
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-26 18:19:54] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
// Phase 1: matrix 1124 rows 472 cols
[2026-05-26 18:19:54] [INFO ] Computed 42 invariants in 29 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (3 resets) in 105 ms. (94 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 44 ms. (222 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2026-05-26 18:19:54] [INFO ] Flow matrix only has 1124 transitions (discarded 20 similar events)
[2026-05-26 18:19:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 18:19:54] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2026-05-26 18:19:54] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 47 ms returned sat
[2026-05-26 18:19:55] [INFO ] [Real]Absence check using state equation in 1321 ms returned sat
[2026-05-26 18:19:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 18:19:55] [INFO ] [Nat]Absence check using 13 positive place invariants in 9 ms returned sat
[2026-05-26 18:19:55] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 28 ms returned sat
[2026-05-26 18:19:57] [INFO ] [Nat]Absence check using state equation in 1823 ms returned sat
[2026-05-26 18:19:57] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:19:58] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-26 18:19:58] [INFO ] [Nat]Added 120 Read/Feed constraints in 798 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:19:59] [INFO ] Deduced a trap composed of 39 places in 615 ms of which 96 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:00] [INFO ] Deduced a trap composed of 39 places in 781 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:00] [INFO ] Deduced a trap composed of 39 places in 666 ms of which 56 ms to minimize.
[2026-05-26 18:20:00] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1144/1144 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 462 transition count 1134
Applied a total of 20 rules in 38 ms. Remains 462 /472 variables (removed 10) and now considering 1134/1144 (removed 10) transitions.
Running 1132 sub problems to find dead transitions.
[2026-05-26 18:20:00] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
// Phase 1: matrix 1114 rows 462 cols
[2026-05-26 18:20:00] [INFO ] Computed 42 invariants in 18 ms
[2026-05-26 18:20:00] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:18] [INFO ] Deduced a trap composed of 38 places in 143 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:18] [INFO ] Deduced a trap composed of 38 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:18] [INFO ] Deduced a trap composed of 38 places in 114 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:18] [INFO ] Deduced a trap composed of 38 places in 111 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:19] [INFO ] Deduced a trap composed of 38 places in 709 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:20] [INFO ] Deduced a trap composed of 166 places in 705 ms of which 132 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:20] [INFO ] Deduced a trap composed of 39 places in 82 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:20] [INFO ] Deduced a trap composed of 38 places in 84 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:20] [INFO ] Deduced a trap composed of 39 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 18:20:20] [INFO ] Deduced a trap composed of 38 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:20] [INFO ] Deduced a trap composed of 38 places in 89 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:21] [INFO ] Deduced a trap composed of 23 places in 294 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:20:22] [INFO ] Deduced a trap composed of 77 places in 610 ms of which 66 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 460/1576 variables, and 45 constraints, problems are : Problem set: 0 solved, 1132 unsolved in 20035 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/30 constraints, State Equation: 0/462 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1132/1132 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1132 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 13/45 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 460/1576 variables, and 45 constraints, problems are : Problem set: 0 solved, 1132 unsolved in 20031 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/30 constraints, State Equation: 0/462 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1132 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41761ms problems are : Problem set: 0 solved, 1132 unsolved
Search for dead transitions found 0 dead transitions in 41764ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41806 ms. Remains : 462/472 places, 1134/1144 transitions.
[2026-05-26 18:20:42] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 18:24:45] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:24:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (386 resets) in 6653 ms. (150 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 3193 ms. (313 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2026-05-26 18:24:55] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:24:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:24:55] [INFO ] [Real]Absence check using 12 positive place invariants in 15 ms returned sat
[2026-05-26 18:24:55] [INFO ] [Real]Absence check using 12 positive and 30 generalized place invariants in 55 ms returned sat
[2026-05-26 18:25:01] [INFO ] [Real]Absence check using state equation in 6222 ms returned sat
[2026-05-26 18:25:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-26 18:25:01] [INFO ] [Nat]Absence check using 12 positive place invariants in 14 ms returned sat
[2026-05-26 18:25:01] [INFO ] [Nat]Absence check using 12 positive and 30 generalized place invariants in 54 ms returned sat
[2026-05-26 18:25:04] [INFO ] [Nat]Absence check using state equation in 2264 ms returned sat
[2026-05-26 18:25:04] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:25:05] [INFO ] [Nat]Added 120 Read/Feed constraints in 1450 ms returned sat
[2026-05-26 18:25:05] [INFO ] Computed and/alt/rep : 362/812/352 causal constraints (skipped 760 transitions) in 121 ms.
[2026-05-26 18:25:06] [INFO ] Added : 27 causal constraints over 6 iterations in 1156 ms. Result :sat
Minimization took 5424 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 462 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 462/462 places, 1134/1134 transitions.
Applied a total of 0 rules in 37 ms. Remains 462 /462 variables (removed 0) and now considering 1134/1134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 462/462 places, 1134/1134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 462/462 places, 1134/1134 transitions.
Applied a total of 0 rules in 38 ms. Remains 462 /462 variables (removed 0) and now considering 1134/1134 (removed 0) transitions.
[2026-05-26 18:25:12] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:25:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:25:14] [INFO ] Implicit Places using invariants in 2373 ms returned []
[2026-05-26 18:25:14] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:25:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:25:16] [INFO ] State equation strengthened by 120 read => feed constraints.
[2026-05-26 18:25:41] [INFO ] Implicit Places using invariants and state equation in 26880 ms returned []
Implicit Place search using SMT with State Equation took 29270 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:25:41] [INFO ] Redundant transitions in 32 ms returned []
Running 1132 sub problems to find dead transitions.
[2026-05-26 18:25:41] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:25:41] [INFO ] Invariant cache hit.
[2026-05-26 18:25:41] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:00] [INFO ] Deduced a trap composed of 38 places in 205 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:01] [INFO ] Deduced a trap composed of 38 places in 137 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:01] [INFO ] Deduced a trap composed of 39 places in 146 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:01] [INFO ] Deduced a trap composed of 39 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 18:26:01] [INFO ] Deduced a trap composed of 38 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:02] [INFO ] Deduced a trap composed of 38 places in 728 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:03] [INFO ] Deduced a trap composed of 38 places in 739 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:03] [INFO ] Deduced a trap composed of 38 places in 677 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:04] [INFO ] Deduced a trap composed of 166 places in 672 ms of which 123 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:04] [INFO ] Deduced a trap composed of 38 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:04] [INFO ] Deduced a trap composed of 38 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 18:26:05] [INFO ] Deduced a trap composed of 204 places in 768 ms of which 161 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:06] [INFO ] Deduced a trap composed of 213 places in 676 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:07] [INFO ] Deduced a trap composed of 23 places in 391 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:26:08] [INFO ] Deduced a trap composed of 77 places in 748 ms of which 99 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 460/1576 variables, and 47 constraints, problems are : Problem set: 0 solved, 1132 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/30 constraints, State Equation: 0/462 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1132/1132 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1132 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 15/47 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 460/1576 variables, and 47 constraints, problems are : Problem set: 0 solved, 1132 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/30 constraints, State Equation: 0/462 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1132 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61822ms problems are : Problem set: 0 solved, 1132 unsolved
Search for dead transitions found 0 dead transitions in 61827ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 91185 ms. Remains : 462/462 places, 1134/1134 transitions.
[2026-05-26 18:26:43] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-26 18:30:42] [INFO ] Flatten gal took : 95 ms
RANDOM walk for 40000 steps (14 resets) in 602 ms. (66 steps per ms) remains 1/1 properties
[2026-05-26 18:30:42] [INFO ] Flatten gal took : 89 ms
[2026-05-26 18:30:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9867354643301222031.gal : 28 ms
[2026-05-26 18:30:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15749001686513545625.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/ReachabilityCardinality9867354643301222031.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15749001686513545625.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40002 steps (8 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality15749001686513545625.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 23
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :23 after 28
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :28 after 70
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :70 after 270
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :270 after 850
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :850 after 1940
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1940 after 15312
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :15312 after 22944
Interrupted probabilistic random walk after 150597 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :0 out of 1
Probabilistic random walk after 150597 steps, saw 96366 distinct states, run finished after 3001 ms. (steps per millisecond=50 ) properties seen :0
[2026-05-26 18:30:45] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:30:45] [INFO ] Invariant cache hit.
[2026-05-26 18:30:45] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 391/392 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 14/406 variables, 11/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/460 variables, 22/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :22944 after 25446
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1574/1576 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1587 ms.
Refiners :[Positive P Invariants (semi-flows): 11/12 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 460/462 constraints, ReadFeed: 0/120 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 391/392 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 14/406 variables, 11/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/460 variables, 22/41 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 18:30:47] [INFO ] Deduced a trap composed of 38 places in 223 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:30:47] [INFO ] Deduced a trap composed of 38 places in 186 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:30:47] [INFO ] Deduced a trap composed of 38 places in 250 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:30:48] [INFO ] Deduced a trap composed of 38 places in 157 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:30:48] [INFO ] Deduced a trap composed of 38 places in 167 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:30:48] [INFO ] Deduced a trap composed of 38 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:30:48] [INFO ] Deduced a trap composed of 39 places in 54 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 7/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/460 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :25446 after 33720
After SMT solving in domain Int declared 1574/1576 variables, and 508 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3018 ms.
Refiners :[Positive P Invariants (semi-flows): 11/12 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 460/462 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4621ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 462 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 462/462 places, 1134/1134 transitions.
Applied a total of 0 rules in 42 ms. Remains 462 /462 variables (removed 0) and now considering 1134/1134 (removed 0) transitions.
Running 1132 sub problems to find dead transitions.
[2026-05-26 18:30:50] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:30:50] [INFO ] Invariant cache hit.
[2026-05-26 18:30:50] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :33720 after 350762
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:08] [INFO ] Deduced a trap composed of 38 places in 115 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:08] [INFO ] Deduced a trap composed of 38 places in 79 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:08] [INFO ] Deduced a trap composed of 39 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:08] [INFO ] Deduced a trap composed of 39 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:08] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 3 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 :350762 after 1.37653e+06
[2026-05-26 18:31:09] [INFO ] Deduced a trap composed of 38 places in 535 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:09] [INFO ] Deduced a trap composed of 38 places in 642 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:10] [INFO ] Deduced a trap composed of 38 places in 641 ms of which 73 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:11] [INFO ] Deduced a trap composed of 166 places in 487 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:11] [INFO ] Deduced a trap composed of 38 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:11] [INFO ] Deduced a trap composed of 38 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 18:31:11] [INFO ] Deduced a trap composed of 204 places in 578 ms of which 113 ms to minimize.
SMT process timed out in 21766ms, After SMT, problems are : Problem set: 0 solved, 1132 unsolved
Search for dead transitions found 0 dead transitions in 21769ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21814 ms. Remains : 462/462 places, 1134/1134 transitions.
RANDOM walk for 40000 steps (14 resets) in 470 ms. (84 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 168286 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :0 out of 1
Probabilistic random walk after 168286 steps, saw 107125 distinct states, run finished after 3002 ms. (steps per millisecond=56 ) properties seen :0
[2026-05-26 18:31:15] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:31:15] [INFO ] Invariant cache hit.
[2026-05-26 18:31:15] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 391/392 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 14/406 variables, 11/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/460 variables, 22/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1114/1574 variables, 460/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1574 variables, 120/621 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1574 variables, 0/621 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/1576 variables, 2/623 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1576 variables, 1/624 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1576 variables, 0/624 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1576 variables, 0/624 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1576/1576 variables, and 624 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1729 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 462/462 constraints, ReadFeed: 120/120 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 391/392 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 14/406 variables, 11/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/406 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 54/460 variables, 22/41 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 18:31:17] [INFO ] Deduced a trap composed of 38 places in 291 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:17] [INFO ] Deduced a trap composed of 38 places in 246 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:17] [INFO ] Deduced a trap composed of 38 places in 199 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:17] [INFO ] Deduced a trap composed of 38 places in 191 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:18] [INFO ] Deduced a trap composed of 38 places in 169 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:18] [INFO ] Deduced a trap composed of 38 places in 86 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:31:18] [INFO ] Deduced a trap composed of 39 places in 65 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 7/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/460 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1114/1574 variables, 460/508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1574 variables, 120/628 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1574 variables, 1/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1574 variables, 0/629 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/1576 variables, 2/631 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1576 variables, 1/632 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 18:31:26] [INFO ] Deduced a trap composed of 23 places in 637 ms of which 62 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/1576 variables, 1/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1576 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1576 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1576/1576 variables, and 633 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10245 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 462/462 constraints, ReadFeed: 120/120 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11989ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 139 ms.
Support contains 1 out of 462 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 462/462 places, 1134/1134 transitions.
Applied a total of 0 rules in 37 ms. Remains 462 /462 variables (removed 0) and now considering 1134/1134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 462/462 places, 1134/1134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 462/462 places, 1134/1134 transitions.
Applied a total of 0 rules in 47 ms. Remains 462 /462 variables (removed 0) and now considering 1134/1134 (removed 0) transitions.
[2026-05-26 18:31:27] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:31:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:31:29] [INFO ] Implicit Places using invariants in 2299 ms returned []
[2026-05-26 18:31:29] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:31:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 18:31:30] [INFO ] State equation strengthened by 120 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-26 18:31:32] [INFO ] Flatten gal took : 52 ms
[2026-05-26 18:31:32] [INFO ] Applying decomposition
[2026-05-26 18:31:32] [INFO ] Flatten gal took : 51 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/graph10674552264335702120.txt' '-o' '/tmp/graph10674552264335702120.bin' '-w' '/tmp/graph10674552264335702120.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10674552264335702120.bin' '-l' '-1' '-v' '-w' '/tmp/graph10674552264335702120.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:31:32] [INFO ] Decomposing Gal with order
[2026-05-26 18:31:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:31:32] [INFO ] Removed a total of 1075 redundant transitions.
[2026-05-26 18:31:32] [INFO ] Flatten gal took : 141 ms
[2026-05-26 18:31:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 501 labels/synchronizations in 54 ms.
[2026-05-26 18:31:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11984890767045936195.gal : 22 ms
[2026-05-26 18:31:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality405069324769796258.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/ReachabilityCardinality11984890767045936195.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality405069324769796258.prop' '--nowitness'
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 ...307
Loading property file /tmp/ReachabilityCardinality405069324769796258.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 8
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :8 after 10
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :10 after 10
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :10 after 10
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :10 after 10
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :10 after 10
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :10 after 10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :10 after 184
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184 after 364
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :364 after 3720
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :3720 after 4336
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4336 after 18091
[2026-05-26 18:31:53] [INFO ] Implicit Places using invariants and state equation in 24212 ms returned []
Implicit Place search using SMT with State Equation took 26517 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-26 18:31:53] [INFO ] Redundant transitions in 34 ms returned []
Running 1132 sub problems to find dead transitions.
[2026-05-26 18:31:53] [INFO ] Flow matrix only has 1114 transitions (discarded 20 similar events)
[2026-05-26 18:31:53] [INFO ] Invariant cache hit.
[2026-05-26 18:31:53] [INFO ] State equation strengthened by 120 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:11] [INFO ] Deduced a trap composed of 38 places in 113 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:12] [INFO ] Deduced a trap composed of 38 places in 80 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:12] [INFO ] Deduced a trap composed of 39 places in 83 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:12] [INFO ] Deduced a trap composed of 39 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:12] [INFO ] Deduced a trap composed of 38 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:12] [INFO ] Deduced a trap composed of 38 places in 528 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:13] [INFO ] Deduced a trap composed of 38 places in 519 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:13] [INFO ] Deduced a trap composed of 38 places in 525 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:14] [INFO ] Deduced a trap composed of 166 places in 588 ms of which 95 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:14] [INFO ] Deduced a trap composed of 38 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 18:32:14] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:15] [INFO ] Deduced a trap composed of 204 places in 582 ms of which 93 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:16] [INFO ] Deduced a trap composed of 213 places in 607 ms of which 97 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:17] [INFO ] Deduced a trap composed of 23 places in 358 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 18:32:18] [INFO ] Deduced a trap composed of 77 places in 527 ms of which 64 ms to minimize.
Detected timeout of ITS tools.
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 460/1576 variables, and 47 constraints, problems are : Problem set: 0 solved, 1132 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/30 constraints, State Equation: 0/462 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 1132/1132 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1132 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 15/47 constraints. Problems are: Problem set: 0 solved, 1132 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 460/1576 variables, and 47 constraints, problems are : Problem set: 0 solved, 1132 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 20/30 constraints, State Equation: 0/462 constraints, ReadFeed: 0/120 constraints, PredecessorRefiner: 0/1132 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61992ms problems are : Problem set: 0 solved, 1132 unsolved
Search for dead transitions found 0 dead transitions in 61998ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88608 ms. Remains : 462/462 places, 1134/1134 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[+inf]
Ending property specific reduction for PolyORBLF-PT-S02J04T10-UpperBounds-10 in 781759 ms.
[2026-05-26 18:32:55] [INFO ] Flatten gal took : 44 ms
[2026-05-26 18:32:55] [INFO ] Applying decomposition
[2026-05-26 18:32:55] [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/graph6888968891205597083.txt' '-o' '/tmp/graph6888968891205597083.bin' '-w' '/tmp/graph6888968891205597083.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6888968891205597083.bin' '-l' '-1' '-v' '-w' '/tmp/graph6888968891205597083.weights' '-q' '0' '-e' '0.001'
[2026-05-26 18:32:56] [INFO ] Decomposing Gal with order
[2026-05-26 18:32:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 18:32:56] [INFO ] Removed a total of 837 redundant transitions.
[2026-05-26 18:32:56] [INFO ] Flatten gal took : 216 ms
[2026-05-26 18:32:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 598 labels/synchronizations in 49 ms.
[2026-05-26 18:32:56] [INFO ] Time to serialize gal into /tmp/UpperBounds15663720866080638604.gal : 24 ms
[2026-05-26 18:32:56] [INFO ] Time to serialize properties into /tmp/UpperBounds11282398876905029100.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/UpperBounds15663720866080638604.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds11282398876905029100.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/UpperBounds11282398876905029100.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PolyORBLF-PT-S02J04T10"
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-PT-S02J04T10, 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-177969946400054"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J04T10.tgz
mv PolyORBLF-PT-S02J04T10 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 ;