About the Execution of 2025-gold for DoubleLock-PT-p1s3
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16204.644 | 2557131.00 | 3082764.00 | 37557.10 | 1 1 ? 0 10 10 1 0 1 1 1 ? 0 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.r127-smll-177955743800003.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 DoubleLock-PT-p1s3, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r127-smll-177955743800003
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 7.3K Mar 6 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 6 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 09:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 09:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 6 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 18:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.4M 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 DoubleLock-PT-p1s3-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779558046441
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:40:48] [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]
[2026-05-23 17:40:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:40:49] [INFO ] Load time of PNML (sax parser for PT used): 880 ms
[2026-05-23 17:40:49] [INFO ] Transformed 570 places.
[2026-05-23 17:40:49] [INFO ] Transformed 7568 transitions.
[2026-05-23 17:40:49] [INFO ] Parsed PT model containing 570 places and 7568 transitions and 30656 arcs in 1138 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 132 places in 32 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s3-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-23 17:40:49] [INFO ] Flow matrix only has 4971 transitions (discarded 2341 similar events)
// Phase 1: matrix 4971 rows 438 cols
[2026-05-23 17:40:49] [INFO ] Computed 4 invariants in 131 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, +inf, 10, 10, 1, 1, 1, 1, +inf, 1, 1, 1]
FORMULA DoubleLock-PT-p1s3-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10005 steps (93 resets) in 170 ms. (58 steps per ms)
FORMULA DoubleLock-PT-p1s3-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-04 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60005 steps (80 resets) in 381 ms. (157 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 10, 0, 0, 4] Max Struct:[1, 1, +inf, 1, 1, +inf]
[2026-05-23 17:40:50] [INFO ] Flow matrix only has 4971 transitions (discarded 2341 similar events)
[2026-05-23 17:40:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:40:51] [INFO ] [Real]Absence check using 3 positive place invariants in 18 ms returned sat
[2026-05-23 17:40:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 17:40:52] [INFO ] [Real]Absence check using state equation in 1795 ms returned sat
[2026-05-23 17:40:53] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:40:53] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:40:54] [INFO ] [Real]Added 400 Read/Feed constraints in 1028 ms returned sat
[2026-05-23 17:40:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:40:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-23 17:40:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 17:40:56] [INFO ] [Nat]Absence check using state equation in 1485 ms returned sat
[2026-05-23 17:40:56] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:40:58] [INFO ] [Nat]Added 400 Read/Feed constraints in 1955 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:40:58] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:40:58] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 17:40:59] [INFO ] [Real]Absence check using state equation in 1631 ms returned sat
[2026-05-23 17:40:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-23 17:41:00] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 17:41:01] [INFO ] [Nat]Absence check using state equation in 1785 ms returned sat
[2026-05-23 17:41:02] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:41:04] [INFO ] [Nat]Added 400 Read/Feed constraints in 3110 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:05] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:41:05] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 17:41:06] [INFO ] [Real]Absence check using state equation in 1519 ms returned sat
[2026-05-23 17:41:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:41:06] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 9 ms returned sat
[2026-05-23 17:41:08] [INFO ] [Nat]Absence check using state equation in 1521 ms returned sat
[2026-05-23 17:41:08] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:41:09] [INFO ] [Nat]Added 400 Read/Feed constraints in 1112 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:09] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:41:09] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 17:41:11] [INFO ] [Real]Absence check using state equation in 1424 ms returned sat
[2026-05-23 17:41:11] [INFO ] [Real]Added 400 Read/Feed constraints in 235 ms returned sat
[2026-05-23 17:41:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:41:11] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 17:41:13] [INFO ] [Nat]Absence check using state equation in 1365 ms returned sat
[2026-05-23 17:41:13] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:41:14] [INFO ] [Nat]Added 400 Read/Feed constraints in 1102 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:14] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:41:14] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 17:41:15] [INFO ] [Real]Absence check using state equation in 1387 ms returned sat
[2026-05-23 17:41:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:41:15] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 17:41:17] [INFO ] [Nat]Absence check using state equation in 1332 ms returned sat
[2026-05-23 17:41:17] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:41:19] [INFO ] [Nat]Added 400 Read/Feed constraints in 2171 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:19] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-23 17:41:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 17:41:20] [INFO ] [Real]Absence check using state equation in 1387 ms returned sat
[2026-05-23 17:41:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:41:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:41:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 17:41:22] [INFO ] [Nat]Absence check using state equation in 1379 ms returned sat
[2026-05-23 17:41:23] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:41:23] [INFO ] [Nat]Added 400 Read/Feed constraints in 1098 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 10, 0, 0, 4] Max Struct:[1, 1, +inf, 1, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 10, 0, 0, 4] Max Struct:[1, 1, +inf, 1, 1, +inf]
Support contains 6 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7312/7312 transitions.
Graph (complete) has 12297 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.38 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 434 transition count 7184
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 433 transition count 7056
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 433 transition count 7056
Applied a total of 131 rules in 644 ms. Remains 433 /438 variables (removed 5) and now considering 7056/7312 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 664 ms. Remains : 433/438 places, 7056/7312 transitions.
[2026-05-23 17:41:24] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 2 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 124 resets, run finished after 253 ms. (steps per millisecond=39 ) properties (out of 6) seen :[1, 0, 2, 1, 0, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 0, 10, 1, 0, 4] Max Struct:[1, 1, +inf, 1, 1, +inf]
[2026-05-23 17:41:47] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
// Phase 1: matrix 4715 rows 433 cols
[2026-05-23 17:41:47] [INFO ] Computed 3 invariants in 66 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 10, 1, 0, 4] Max Struct:[1, 1, +inf, 1, 1, +inf]
FORMULA DoubleLock-PT-p1s3-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000001 steps (9313 resets) in 4658 ms. (214 steps per ms)
FORMULA DoubleLock-PT-p1s3-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000002 steps (2842 resets) in 3043 ms. (657 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 5] Max Struct:[+inf, +inf]
[2026-05-23 17:41:55] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:41:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:41:55] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:41:56] [INFO ] [Real]Absence check using state equation in 1528 ms returned sat
[2026-05-23 17:41:56] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:42:01] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:42:04] [INFO ] [Real]Added 400 Read/Feed constraints in 7392 ms returned sat
[2026-05-23 17:42:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:42:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:42:06] [INFO ] [Nat]Absence check using state equation in 1461 ms returned sat
[2026-05-23 17:42:10] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:42:14] [INFO ] [Nat]Added 400 Read/Feed constraints in 8176 ms returned sat
[2026-05-23 17:42:15] [INFO ] Computed and/alt/rep : 580/4548/580 causal constraints (skipped 4133 transitions) in 1553 ms.
[2026-05-23 17:42:17] [INFO ] Added : 2 causal constraints over 2 iterations in 2594 ms. Result :sat
Minimization took 4971 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:42:22] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:42:23] [INFO ] [Real]Absence check using state equation in 1289 ms returned sat
[2026-05-23 17:42:24] [INFO ] [Real]Added 400 Read/Feed constraints in 795 ms returned sat
[2026-05-23 17:42:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:42:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:42:25] [INFO ] [Nat]Absence check using state equation in 1278 ms returned sat
[2026-05-23 17:42:30] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:42:34] [INFO ] [Nat]Added 400 Read/Feed constraints in 9128 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[10, 5] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 5] Max Struct:[+inf, +inf]
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 315 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 316 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 17:42:35] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 123 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 2) seen :[5, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 5] Max Struct:[+inf, +inf]
[2026-05-23 17:42:58] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:42:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 5] Max Struct:[+inf, +inf]
RANDOM walk for 1000003 steps (9349 resets) in 4910 ms. (203 steps per ms)
BEST_FIRST walk for 2000002 steps (2819 resets) in 2989 ms. (668 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[18, 5] Max Struct:[+inf, +inf]
[2026-05-23 17:43:06] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:43:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:43:06] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:43:08] [INFO ] [Real]Absence check using state equation in 1592 ms returned sat
[2026-05-23 17:43:08] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:43:12] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:43:17] [INFO ] [Real]Added 400 Read/Feed constraints in 9499 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:43:17] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2026-05-23 17:43:19] [INFO ] [Real]Absence check using state equation in 1265 ms returned sat
[2026-05-23 17:43:20] [INFO ] [Real]Added 400 Read/Feed constraints in 781 ms returned sat
[2026-05-23 17:43:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:43:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:43:21] [INFO ] [Nat]Absence check using state equation in 1307 ms returned sat
[2026-05-23 17:43:26] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:43:30] [INFO ] [Nat]Added 400 Read/Feed constraints in 9104 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[18, 5] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[18, 5] Max Struct:[+inf, +inf]
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 360 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 360 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 286 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 17:43:31] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:43:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:43:34] [INFO ] Implicit Places using invariants in 2869 ms returned []
[2026-05-23 17:43:34] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:43:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:43:36] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:44:06] [INFO ] Performed 58/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 17:44:37] [INFO ] Performed 268/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-23 17:45:06] [INFO ] Implicit Places using invariants and state equation in 91738 ms returned []
Implicit Place search using SMT with State Equation took 94611 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 17:45:07] [INFO ] Redundant transitions in 1030 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 17:45:07] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:45:07] [INFO ] Invariant cache hit.
[2026-05-23 17:45:07] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30269 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30147 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78319ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 78395ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174382 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 17:46:26] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 120 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 2) seen :[3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[18, 5] Max Struct:[+inf, +inf]
[2026-05-23 17:46:50] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:46:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[18, 5] Max Struct:[+inf, +inf]
RANDOM walk for 1000000 steps (9357 resets) in 5352 ms. (186 steps per ms)
BEST_FIRST walk for 2000001 steps (2834 resets) in 2806 ms. (712 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
[2026-05-23 17:46:58] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:46:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:46:58] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-23 17:47:00] [INFO ] [Real]Absence check using state equation in 1520 ms returned sat
[2026-05-23 17:47:00] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:47:05] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:47:07] [INFO ] [Real]Added 400 Read/Feed constraints in 7361 ms returned sat
[2026-05-23 17:47:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:47:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:47:09] [INFO ] [Nat]Absence check using state equation in 1491 ms returned sat
[2026-05-23 17:47:14] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:47:16] [INFO ] [Nat]Added 400 Read/Feed constraints in 7333 ms returned sat
[2026-05-23 17:47:18] [INFO ] Computed and/alt/rep : 580/4548/580 causal constraints (skipped 4133 transitions) in 963 ms.
[2026-05-23 17:47:19] [INFO ] Added : 2 causal constraints over 2 iterations in 2452 ms. Result :sat
Minimization took 4779 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:47:24] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:47:25] [INFO ] [Real]Absence check using state equation in 1288 ms returned sat
[2026-05-23 17:47:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:47:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 17:47:27] [INFO ] [Nat]Absence check using state equation in 1294 ms returned sat
[2026-05-23 17:47:31] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:47:36] [INFO ] [Nat]Added 400 Read/Feed constraints in 9113 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 250 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 250 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 248 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 17:47:36] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:47:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:47:39] [INFO ] Implicit Places using invariants in 2798 ms returned []
[2026-05-23 17:47:39] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:47:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:47:41] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:48:12] [INFO ] Performed 58/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 17:48:42] [INFO ] Performed 210/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-23 17:49:12] [INFO ] Performed 421/433 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-23 17:49:16] [INFO ] Implicit Places using invariants and state equation in 96896 ms returned []
Implicit Place search using SMT with State Equation took 99699 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 17:49:17] [INFO ] Redundant transitions in 689 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 17:49:17] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:49:17] [INFO ] Invariant cache hit.
[2026-05-23 17:49:17] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30138 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30130 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79574ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 79604ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180266 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 17:50:36] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 124 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 2) seen :[2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
[2026-05-23 17:51:00] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:51:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
RANDOM walk for 1000006 steps (9336 resets) in 4720 ms. (211 steps per ms)
BEST_FIRST walk for 2000002 steps (2809 resets) in 2823 ms. (708 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
[2026-05-23 17:51:07] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:51:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:51:08] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-23 17:51:09] [INFO ] [Real]Absence check using state equation in 1373 ms returned sat
[2026-05-23 17:51:09] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:51:15] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:51:15] [INFO ] [Real]Added 400 Read/Feed constraints in 6311 ms returned sat
[2026-05-23 17:51:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:51:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2026-05-23 17:51:17] [INFO ] [Nat]Absence check using state equation in 1398 ms returned sat
[2026-05-23 17:51:22] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:51:26] [INFO ] [Nat]Added 400 Read/Feed constraints in 9119 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:51:26] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2026-05-23 17:51:27] [INFO ] [Real]Absence check using state equation in 1161 ms returned sat
[2026-05-23 17:51:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:51:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-23 17:51:29] [INFO ] [Nat]Absence check using state equation in 1227 ms returned sat
[2026-05-23 17:51:33] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:51:38] [INFO ] [Nat]Added 400 Read/Feed constraints in 9108 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 252 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 252 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 245 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 17:51:38] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:51:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:51:41] [INFO ] Implicit Places using invariants in 2395 ms returned []
[2026-05-23 17:51:41] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:51:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:51:42] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:52:13] [INFO ] Performed 58/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 17:52:43] [INFO ] Performed 266/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-23 17:53:13] [INFO ] Performed 427/433 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-23 17:53:15] [INFO ] Implicit Places using invariants and state equation in 93902 ms returned []
Implicit Place search using SMT with State Equation took 96307 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 17:53:16] [INFO ] Redundant transitions in 1102 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 17:53:16] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:53:16] [INFO ] Invariant cache hit.
[2026-05-23 17:53:16] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30139 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30131 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79670ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 79690ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177371 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 17:54:35] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 124 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 2) seen :[2, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
RANDOM walk for 40000 steps (371 resets) in 921 ms. (43 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (56 resets) in 507 ms. (78 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (52 resets) in 298 ms. (133 steps per ms) remains 2/2 properties
[2026-05-23 17:55:00] [INFO ] Flatten gal took : 793 ms
[2026-05-23 17:55:01] [INFO ] Flatten gal took : 323 ms
[2026-05-23 17:55:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4641881103739612815.gal : 182 ms
[2026-05-23 17:55:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7014379724229658037.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/ReachabilityCardinality4641881103739612815.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7014379724229658037.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7014379724229658037.prop.
Interrupted probabilistic random walk after 86125 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 2
Probabilistic random walk after 86125 steps, saw 67501 distinct states, run finished after 3007 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-23 17:55:02] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:55:02] [INFO ] Invariant cache hit.
[2026-05-23 17:55:02] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 385/387 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/387 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4689/5076 variables, 387/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5076 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5076 variables, 131/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5076 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 17/5093 variables, 1/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5093 variables, 2/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5093 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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 90
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :90 after 880
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :880 after 5757
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :5757 after 68068
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :68068 after 470547
At refinement iteration 10 (OVERLAPS) 55/5148 variables, 42/566 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/567 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :470547 after 1.14271e+06
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3427 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 385/387 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/387 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.14271e+06 after 1.63468e+06
At refinement iteration 3 (OVERLAPS) 4689/5076 variables, 387/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5076 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.63468e+06 after 3.73394e+06
At refinement iteration 5 (INCLUDED_ONLY) 0/5076 variables, 131/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5076 variables, 1/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5076 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 17/5093 variables, 1/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5093 variables, 2/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5093 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 55/5148 variables, 42/567 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 1/568 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 2 unsolved in 5004 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8515ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 259 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 262 ms. Remains : 433/433 places, 7056/7056 transitions.
RANDOM walk for 40001 steps (366 resets) in 641 ms. (62 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (49 resets) in 172 ms. (231 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (56 resets) in 148 ms. (268 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3.73394e+06 after 7.89955e+06
Interrupted probabilistic random walk after 103077 steps, run timeout after 3001 ms. (steps per millisecond=34 ) properties seen :0 out of 2
Probabilistic random walk after 103077 steps, saw 80872 distinct states, run finished after 3001 ms. (steps per millisecond=34 ) properties seen :0
[2026-05-23 17:55:14] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:55:14] [INFO ] Invariant cache hit.
[2026-05-23 17:55:14] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 385/387 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/387 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4689/5076 variables, 387/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5076 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5076 variables, 131/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5076 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 17/5093 variables, 1/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5093 variables, 2/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5093 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 55/5148 variables, 42/566 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/567 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 269/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3812 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 385/387 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/387 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4689/5076 variables, 387/389 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5076 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5076 variables, 131/521 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5076 variables, 1/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5076 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 17/5093 variables, 1/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5093 variables, 2/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5093 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 55/5148 variables, 42/567 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 1/568 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7.89955e+06 after 1.23673e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/5148 variables, 269/837 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/5148 variables, 1/838 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.23673e+07 after 1.60954e+07
At refinement iteration 15 (INCLUDED_ONLY) 0/5148 variables, 0/838 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/5148 variables, 0/838 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 838 constraints, problems are : Problem set: 0 solved, 2 unsolved in 29620 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33469ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1765 ms.
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 221 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 221 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 240 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 17:55:50] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:55:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-23 17:55:51] [INFO ] Flatten gal took : 265 ms
[2026-05-23 17:55:51] [INFO ] Applying decomposition
[2026-05-23 17:55:51] [INFO ] Flatten gal took : 254 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/graph7690909561834813930.txt' '-o' '/tmp/graph7690909561834813930.bin' '-w' '/tmp/graph7690909561834813930.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7690909561834813930.bin' '-l' '-1' '-v' '-w' '/tmp/graph7690909561834813930.weights' '-q' '0' '-e' '0.001'
[2026-05-23 17:55:53] [INFO ] Decomposing Gal with order
[2026-05-23 17:55:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 17:55:53] [INFO ] Implicit Places using invariants in 2526 ms returned []
[2026-05-23 17:55:53] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:55:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:55:54] [INFO ] Removed a total of 17188 redundant transitions.
[2026-05-23 17:55:54] [INFO ] Flatten gal took : 921 ms
[2026-05-23 17:55:54] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:55:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 975 labels/synchronizations in 426 ms.
[2026-05-23 17:55:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16474612267596673663.gal : 52 ms
[2026-05-23 17:55:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9913602796732342542.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/ReachabilityCardinality16474612267596673663.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9913602796732342542.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 ...308
Loading property file /tmp/ReachabilityCardinality9913602796732342542.prop.
[2026-05-23 17:56:25] [INFO ] Performed 59/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
Detected timeout of ITS tools.
[2026-05-23 17:56:55] [INFO ] Performed 299/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-23 17:57:23] [INFO ] Implicit Places using invariants and state equation in 90873 ms returned []
Implicit Place search using SMT with State Equation took 93404 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 17:57:24] [INFO ] Redundant transitions in 981 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 17:57:25] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:57:25] [INFO ] Invariant cache hit.
[2026-05-23 17:57:25] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30133 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s211 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30125 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79149ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 79188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173879 ms. Remains : 433/433 places, 7056/7056 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[20, 6] Max Struct:[+inf, +inf]
Starting property specific reduction for DoubleLock-PT-p1s3-UpperBounds-02
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]
[2026-05-23 17:58:44] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:58:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (93 resets) in 54 ms. (181 steps per ms)
BEST_FIRST walk for 10001 steps (13 resets) in 17 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 17:58:44] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:58:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:58:44] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-23 17:58:45] [INFO ] [Real]Absence check using state equation in 1565 ms returned sat
[2026-05-23 17:58:46] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:58:46] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:58:47] [INFO ] [Real]Added 400 Read/Feed constraints in 1673 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 236 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 238 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 17:58:48] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 119 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2026-05-23 17:59:10] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:59:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (9342 resets) in 5107 ms. (195 steps per ms)
BEST_FIRST walk for 1000001 steps (1397 resets) in 1592 ms. (627 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2026-05-23 17:59:17] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:59:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:59:17] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-23 17:59:19] [INFO ] [Real]Absence check using state equation in 1508 ms returned sat
[2026-05-23 17:59:19] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 17:59:24] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 17:59:28] [INFO ] [Real]Added 400 Read/Feed constraints in 9478 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 242 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 243 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 234 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 17:59:29] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:59:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:59:32] [INFO ] Implicit Places using invariants in 2766 ms returned []
[2026-05-23 17:59:32] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 17:59:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 17:59:33] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 18:00:04] [INFO ] Performed 58/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 18:00:34] [INFO ] Performed 227/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-23 18:01:04] [INFO ] Performed 431/433 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-23 18:01:04] [INFO ] Implicit Places using invariants and state equation in 92221 ms returned []
Implicit Place search using SMT with State Equation took 94990 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:01:05] [INFO ] Redundant transitions in 665 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 18:01:05] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:01:05] [INFO ] Invariant cache hit.
[2026-05-23 18:01:05] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30120 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78882ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 78900ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174818 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 18:02:24] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 126 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2026-05-23 18:02:48] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:02:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000007 steps (9321 resets) in 5124 ms. (195 steps per ms)
BEST_FIRST walk for 1000001 steps (1387 resets) in 1467 ms. (681 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2026-05-23 18:02:54] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:02:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:02:55] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 18:02:56] [INFO ] [Real]Absence check using state equation in 1548 ms returned sat
[2026-05-23 18:02:56] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 18:03:02] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 18:03:06] [INFO ] [Real]Added 400 Read/Feed constraints in 9785 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 213 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 213 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 210 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 18:03:07] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:03:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:03:10] [INFO ] Implicit Places using invariants in 2763 ms returned []
[2026-05-23 18:03:10] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:03:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:03:11] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 18:03:42] [INFO ] Performed 58/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 18:04:12] [INFO ] Performed 228/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-23 18:04:42] [INFO ] Performed 430/433 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-23 18:04:43] [INFO ] Implicit Places using invariants and state equation in 93126 ms returned []
Implicit Place search using SMT with State Equation took 95897 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:04:43] [INFO ] Redundant transitions in 678 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 18:04:44] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:04:44] [INFO ] Invariant cache hit.
[2026-05-23 18:04:44] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30113 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30116 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78635ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 78653ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175466 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 18:06:02] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 119 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 40003 steps (368 resets) in 569 ms. (70 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (58 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
[2026-05-23 18:06:27] [INFO ] Flatten gal took : 300 ms
[2026-05-23 18:06:27] [INFO ] Flatten gal took : 218 ms
[2026-05-23 18:06:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9493213488379630489.gal : 37 ms
[2026-05-23 18:06:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17545145492518505538.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/ReachabilityCardinality9493213488379630489.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17545145492518505538.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/ReachabilityCardinality17545145492518505538.prop.
Interrupted probabilistic random walk after 118505 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 1
Probabilistic random walk after 118505 steps, saw 92666 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-23 18:06:30] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:06:30] [INFO ] Invariant cache hit.
[2026-05-23 18:06:30] [INFO ] State equation strengthened by 400 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) 256/257 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/257 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4814/5071 variables, 385/386 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5071 variables, 1/387 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5071 variables, 129/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
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 90
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :90 after 880
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :880 after 5757
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5071 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :5757 after 68068
At refinement iteration 7 (OVERLAPS) 18/5089 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5089 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5089 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :68068 after 470547
At refinement iteration 10 (OVERLAPS) 59/5148 variables, 46/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :470547 after 1.14271e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.14271e+06 after 1.63468e+06
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 271/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2846 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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) 256/257 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/257 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4814/5071 variables, 385/386 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5071 variables, 1/387 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5071 variables, 129/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5071 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 18/5089 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5089 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.63468e+06 after 3.73394e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/5089 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 564 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2668 ms.
Refiners :[Positive P Invariants (semi-flows): 2/3 constraints, State Equation: 433/433 constraints, ReadFeed: 129/400 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5551ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 375 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 245 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 246 ms. Remains : 433/433 places, 7056/7056 transitions.
RANDOM walk for 40006 steps (375 resets) in 283 ms. (140 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (52 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 118496 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 1
Probabilistic random walk after 118496 steps, saw 92659 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-23 18:06:39] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:06:39] [INFO ] Invariant cache hit.
[2026-05-23 18:06:39] [INFO ] State equation strengthened by 400 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) 256/257 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/257 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.73394e+06 after 7.89955e+06
At refinement iteration 3 (OVERLAPS) 4814/5071 variables, 385/386 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5071 variables, 1/387 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5071 variables, 129/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5071 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 18/5089 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5089 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5089 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 59/5148 variables, 46/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 271/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2615 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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) 256/257 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/257 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4814/5071 variables, 385/386 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5071 variables, 1/387 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5071 variables, 129/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5071 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 18/5089 variables, 1/517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5089 variables, 1/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5089 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 59/5148 variables, 46/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.89955e+06 after 1.23673e+07
After SMT solving in domain Int declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 11411 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14118ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 362 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 539 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 236 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 18:06:54] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:06:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:06:57] [INFO ] Implicit Places using invariants in 3011 ms returned []
[2026-05-23 18:06:57] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:06:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:06:58] [INFO ] State equation strengthened by 400 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23673e+07 after 1.60954e+07
Detected timeout of ITS tools.
[2026-05-23 18:07:19] [INFO ] Flatten gal took : 415 ms
[2026-05-23 18:07:19] [INFO ] Applying decomposition
[2026-05-23 18:07:19] [INFO ] Flatten gal took : 218 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/graph17259041129175795631.txt' '-o' '/tmp/graph17259041129175795631.bin' '-w' '/tmp/graph17259041129175795631.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17259041129175795631.bin' '-l' '-1' '-v' '-w' '/tmp/graph17259041129175795631.weights' '-q' '0' '-e' '0.001'
[2026-05-23 18:07:20] [INFO ] Decomposing Gal with order
[2026-05-23 18:07:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 18:07:21] [INFO ] Removed a total of 17303 redundant transitions.
[2026-05-23 18:07:21] [INFO ] Flatten gal took : 492 ms
[2026-05-23 18:07:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 787 labels/synchronizations in 296 ms.
[2026-05-23 18:07:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7942782315401510230.gal : 54 ms
[2026-05-23 18:07:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7968987723117871846.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/ReachabilityCardinality7942782315401510230.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7968987723117871846.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/ReachabilityCardinality7968987723117871846.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 121
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :121 after 124
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :124 after 124
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :124 after 1068
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1068 after 4567
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4567 after 38220
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :38220 after 665174
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :665174 after 2.10986e+06
[2026-05-23 18:07:29] [INFO ] Performed 59/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 18:08:00] [INFO ] Performed 268/433 implicitness test of which 0 returned IMPLICIT in 61 seconds.
Detected timeout of ITS tools.
[2026-05-23 18:08:26] [INFO ] Implicit Places using invariants and state equation in 89554 ms returned []
Implicit Place search using SMT with State Equation took 92596 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:08:27] [INFO ] Redundant transitions in 667 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 18:08:27] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:08:27] [INFO ] Invariant cache hit.
[2026-05-23 18:08:27] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 1.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30141 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30143 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 87785ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 87878ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181411 ms. Remains : 433/433 places, 7056/7056 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[16] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p1s3-UpperBounds-02 in 671290 ms.
Starting property specific reduction for DoubleLock-PT-p1s3-UpperBounds-11
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]
[2026-05-23 18:09:55] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:09:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (93 resets) in 47 ms. (208 steps per ms)
BEST_FIRST walk for 10001 steps (14 resets) in 19 ms. (500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-23 18:09:55] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:09:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:09:55] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 18:09:56] [INFO ] [Real]Absence check using state equation in 1232 ms returned sat
[2026-05-23 18:09:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 18:09:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-23 18:09:58] [INFO ] [Nat]Absence check using state equation in 1248 ms returned sat
[2026-05-23 18:09:58] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 18:09:59] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 18:09:59] [INFO ] [Nat]Added 400 Read/Feed constraints in 1114 ms returned unknown
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 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 233 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 245 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 18:09:59] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 131 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 18:10:23] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:10:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (9304 resets) in 4945 ms. (202 steps per ms)
BEST_FIRST walk for 1000001 steps (1414 resets) in 1531 ms. (652 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-23 18:10:29] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:10:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:10:30] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-23 18:10:31] [INFO ] [Real]Absence check using state equation in 1272 ms returned sat
[2026-05-23 18:10:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 18:10:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-23 18:10:32] [INFO ] [Nat]Absence check using state equation in 1275 ms returned sat
[2026-05-23 18:10:32] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 18:10:37] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 18:10:41] [INFO ] [Nat]Added 400 Read/Feed constraints in 9124 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 238 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 241 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 237 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 18:10:42] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:10:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:10:45] [INFO ] Implicit Places using invariants in 2785 ms returned []
[2026-05-23 18:10:45] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:10:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:10:46] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 18:11:18] [INFO ] Performed 61/433 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2026-05-23 18:11:49] [INFO ] Performed 384/433 implicitness test of which 0 returned IMPLICIT in 62 seconds.
[2026-05-23 18:12:14] [INFO ] Implicit Places using invariants and state equation in 88935 ms returned []
Implicit Place search using SMT with State Equation took 91723 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:12:14] [INFO ] Redundant transitions in 666 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 18:12:14] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:12:14] [INFO ] Invariant cache hit.
[2026-05-23 18:12:14] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30122 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78843ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 78863ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 171517 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-23 18:13:33] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 129 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 40000 steps (378 resets) in 373 ms. (106 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (56 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
[2026-05-23 18:13:57] [INFO ] Flatten gal took : 214 ms
[2026-05-23 18:13:57] [INFO ] Flatten gal took : 214 ms
[2026-05-23 18:13:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15567013785355013859.gal : 36 ms
[2026-05-23 18:13:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13708920136935203693.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/ReachabilityCardinality15567013785355013859.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13708920136935203693.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality13708920136935203693.prop.
Interrupted probabilistic random walk after 127476 steps, run timeout after 3001 ms. (steps per millisecond=42 ) properties seen :0 out of 1
Probabilistic random walk after 127476 steps, saw 99343 distinct states, run finished after 3001 ms. (steps per millisecond=42 ) properties seen :0
[2026-05-23 18:14:00] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:14:00] [INFO ] Invariant cache hit.
[2026-05-23 18:14:00] [INFO ] State equation strengthened by 400 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) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
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 90
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :90 after 880
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :880 after 5757
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :5757 after 68068
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 146/5091 variables, 2/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5091 variables, 129/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :68068 after 470547
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 57/5148 variables, 45/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :470547 after 1.14271e+06
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 270/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2235 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.14271e+06 after 1.63468e+06
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4945 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 146/5091 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 129/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.63468e+06 after 3.73394e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/5091 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 57/5148 variables, 45/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3746 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6017ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 236 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 240 ms. Remains : 433/433 places, 7056/7056 transitions.
RANDOM walk for 40007 steps (367 resets) in 554 ms. (72 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (54 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.73394e+06 after 7.89955e+06
Interrupted probabilistic random walk after 119681 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 1
Probabilistic random walk after 119681 steps, saw 93545 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-23 18:14:10] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:14:10] [INFO ] Invariant cache hit.
[2026-05-23 18:14:10] [INFO ] State equation strengthened by 400 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) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 146/5091 variables, 2/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5091 variables, 129/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 57/5148 variables, 45/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 270/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2169 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4945 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 146/5091 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 129/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5091 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 57/5148 variables, 45/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.89955e+06 after 1.23673e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 11694 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13902ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 212 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 212 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 204 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-23 18:14:24] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:14:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:14:26] [INFO ] Implicit Places using invariants in 2280 ms returned []
[2026-05-23 18:14:26] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:14:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 18:14:28] [INFO ] State equation strengthened by 400 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23673e+07 after 1.60954e+07
Detected timeout of ITS tools.
[2026-05-23 18:14:48] [INFO ] Flatten gal took : 185 ms
[2026-05-23 18:14:48] [INFO ] Applying decomposition
[2026-05-23 18:14:48] [INFO ] Flatten gal took : 184 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/graph8733392667292141982.txt' '-o' '/tmp/graph8733392667292141982.bin' '-w' '/tmp/graph8733392667292141982.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8733392667292141982.bin' '-l' '-1' '-v' '-w' '/tmp/graph8733392667292141982.weights' '-q' '0' '-e' '0.001'
[2026-05-23 18:14:48] [INFO ] Decomposing Gal with order
[2026-05-23 18:14:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 18:14:49] [INFO ] Removed a total of 17303 redundant transitions.
[2026-05-23 18:14:49] [INFO ] Flatten gal took : 324 ms
[2026-05-23 18:14:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 799 labels/synchronizations in 289 ms.
[2026-05-23 18:14:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11516530196956586454.gal : 30 ms
[2026-05-23 18:14:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4753446120028476668.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/ReachabilityCardinality11516530196956586454.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4753446120028476668.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 ...308
Loading property file /tmp/ReachabilityCardinality4753446120028476668.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1 after 3092
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3092 after 74890
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :74890 after 190865
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :190865 after 1.07276e+06
[2026-05-23 18:14:58] [INFO ] Performed 59/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.07276e+06 after 2.27527e+06
[2026-05-23 18:15:28] [INFO ] Performed 322/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.27527e+06 after 4.13237e+06
Detected timeout of ITS tools.
[2026-05-23 18:15:57] [INFO ] Implicit Places using invariants and state equation in 90452 ms returned []
Implicit Place search using SMT with State Equation took 92741 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 18:15:57] [INFO ] Redundant transitions in 666 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-23 18:15:57] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-23 18:15:57] [INFO ] Invariant cache hit.
[2026-05-23 18:15:57] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30110 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
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(s421 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30136 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79506ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 79528ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173171 ms. Remains : 433/433 places, 7056/7056 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p1s3-UpperBounds-11 in 441887 ms.
[2026-05-23 18:17:17] [INFO ] Flatten gal took : 189 ms
[2026-05-23 18:17:17] [INFO ] Applying decomposition
[2026-05-23 18:17:17] [INFO ] Flatten gal took : 202 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/graph15302445683473777759.txt' '-o' '/tmp/graph15302445683473777759.bin' '-w' '/tmp/graph15302445683473777759.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15302445683473777759.bin' '-l' '-1' '-v' '-w' '/tmp/graph15302445683473777759.weights' '-q' '0' '-e' '0.001'
[2026-05-23 18:17:18] [INFO ] Decomposing Gal with order
[2026-05-23 18:17:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 18:17:18] [INFO ] Removed a total of 17303 redundant transitions.
[2026-05-23 18:17:18] [INFO ] Flatten gal took : 327 ms
[2026-05-23 18:17:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 956 labels/synchronizations in 271 ms.
[2026-05-23 18:17:19] [INFO ] Time to serialize gal into /tmp/UpperBounds14165250721850858772.gal : 26 ms
[2026-05-23 18:17:19] [INFO ] Time to serialize properties into /tmp/UpperBounds889187147620227876.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/UpperBounds14165250721850858772.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds889187147620227876.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 ...283
Loading property file /tmp/UpperBounds889187147620227876.prop.
BK_STOP 1779560603572
--------------------
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="DoubleLock-PT-p1s3"
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 DoubleLock-PT-p1s3, 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 r127-smll-177955743800003"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s3.tgz
mv DoubleLock-PT-p1s3 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 ;