fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r072-tall-174860067600533
Last Updated
June 24, 2025

About the Execution of ITS-Tools for DoubleLock-PT-p1s2

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 3600000.00 0.00 0.00 1 1 0 0 1 1 1 10 1 0 1 ? 1 ? 1 1 normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067600533.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is DoubleLock-PT-p1s2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067600533
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.4M May 29 14:32 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-p1s2-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748763034727

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 07:30:35] [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]
[2025-06-01 07:30:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 07:30:36] [INFO ] Load time of PNML (sax parser for PT used): 311 ms
[2025-06-01 07:30:36] [INFO ] Transformed 570 places.
[2025-06-01 07:30:36] [INFO ] Transformed 7600 transitions.
[2025-06-01 07:30:36] [INFO ] Parsed PT model containing 570 places and 7600 transitions and 30784 arcs in 438 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Deduced a syphon composed of 132 places in 25 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s2-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 10, 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, 0, 10, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 07:30:36] [INFO ] Flow matrix only has 5003 transitions (discarded 2341 similar events)
// Phase 1: matrix 5003 rows 438 cols
[2025-06-01 07:30:36] [INFO ] Computed 4 invariants in 98 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 10, 1, 1, +inf, 1, 10, 1, 1]
FORMULA DoubleLock-PT-p1s2-UpperBounds-07 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (86 resets) in 116 ms. (85 steps per ms)
FORMULA DoubleLock-PT-p1s2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (66 resets) in 145 ms. (342 steps per ms)
FORMULA DoubleLock-PT-p1s2-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 2, 3] Max Struct:[1, 1, +inf, 10]
[2025-06-01 07:30:36] [INFO ] Flow matrix only has 5003 transitions (discarded 2341 similar events)
[2025-06-01 07:30:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:37] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 07:30:37] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:30:38] [INFO ] [Real]Absence check using state equation in 954 ms returned sat
[2025-06-01 07:30:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 07:30:38] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:30:39] [INFO ] [Nat]Absence check using state equation in 916 ms returned sat
[2025-06-01 07:30:39] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:30:39] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:30:40] [INFO ] [Nat]Added 400 Read/Feed constraints in 1071 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:40] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:30:40] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:30:41] [INFO ] [Real]Absence check using state equation in 730 ms returned sat
[2025-06-01 07:30:41] [INFO ] [Real]Added 400 Read/Feed constraints in 193 ms returned sat
[2025-06-01 07:30:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 07:30:41] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:30:42] [INFO ] [Nat]Absence check using state equation in 716 ms returned sat
[2025-06-01 07:30:42] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:30:43] [INFO ] [Nat]Added 400 Read/Feed constraints in 1072 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:43] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:30:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:30:44] [INFO ] [Real]Absence check using state equation in 699 ms returned sat
[2025-06-01 07:30:44] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:30:44] [INFO ] [Real]Added 400 Read/Feed constraints in 730 ms returned sat
[2025-06-01 07:30:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:30:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:30:45] [INFO ] [Nat]Absence check using state equation in 697 ms returned sat
[2025-06-01 07:30:46] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:30:46] [INFO ] [Nat]Added 400 Read/Feed constraints in 1056 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:46] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:30:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:30:47] [INFO ] [Real]Absence check using state equation in 711 ms returned sat
[2025-06-01 07:30:47] [INFO ] [Real]Added 400 Read/Feed constraints in 162 ms returned sat
[2025-06-01 07:30:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:30:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:30:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:30:48] [INFO ] [Nat]Absence check using state equation in 777 ms returned sat
[2025-06-01 07:30:49] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:30:49] [INFO ] [Nat]Added 400 Read/Feed constraints in 1072 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 2, 3] Max Struct:[1, 1, +inf, 10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 2, 3] Max Struct:[1, 1, +inf, 10]
Support contains 4 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7344/7344 transitions.
Graph (complete) has 12357 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.18 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 0 with 64 rules applied. Total rules applied 65 place count 434 transition count 7280
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 66 place count 433 transition count 7152
Iterating global reduction 1 with 1 rules applied. Total rules applied 67 place count 433 transition count 7152
Applied a total of 67 rules in 398 ms. Remains 433 /438 variables (removed 5) and now considering 7152/7344 (removed 192) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 408 ms. Remains : 433/438 places, 7152/7344 transitions.
[2025-06-01 07:30:50] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 132 resets, run finished after 164 ms. (steps per millisecond=60 ) properties (out of 4) seen :[0, 1, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 1, 2, 3] Max Struct:[1, 1, +inf, 10]
[2025-06-01 07:30:58] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
// Phase 1: matrix 4811 rows 433 cols
[2025-06-01 07:30:58] [INFO ] Computed 2 invariants in 58 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 2, 3] Max Struct:[1, 1, +inf, 10]
FORMULA DoubleLock-PT-p1s2-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000001 steps (8649 resets) in 3556 ms. (281 steps per ms)
FORMULA DoubleLock-PT-p1s2-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000002 steps (2755 resets) in 1962 ms. (1018 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 5] Max Struct:[+inf, 10]
[2025-06-01 07:31:04] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:31:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:04] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:31:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:05] [INFO ] [Real]Absence check using state equation in 860 ms returned sat
[2025-06-01 07:31:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:31:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:06] [INFO ] [Nat]Absence check using state equation in 854 ms returned sat
[2025-06-01 07:31:06] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:31:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:31:15] [INFO ] [Nat]Added 400 Read/Feed constraints in 9062 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:15] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:31:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:15] [INFO ] [Real]Absence check using state equation in 622 ms returned sat
[2025-06-01 07:31:17] [INFO ] [Real]Added 400 Read/Feed constraints in 1400 ms returned sat
[2025-06-01 07:31:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:31:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:18] [INFO ] [Nat]Absence check using state equation in 618 ms returned sat
[2025-06-01 07:31:22] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:31:27] [INFO ] [Nat]Added 400 Read/Feed constraints in 9058 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[3, 5] Max Struct:[+inf, 10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 5] Max Struct:[+inf, 10]
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 223 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 224 ms. Remains : 433/433 places, 7152/7152 transitions.
[2025-06-01 07:31:27] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 125 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 2) seen :[1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 5] Max Struct:[+inf, 10]
[2025-06-01 07:31:35] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:31:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 5] Max Struct:[+inf, 10]
RANDOM walk for 1000000 steps (8714 resets) in 3229 ms. (309 steps per ms)
BEST_FIRST walk for 2000002 steps (2775 resets) in 1825 ms. (1095 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 5] Max Struct:[+inf, 10]
[2025-06-01 07:31:40] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:31:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:40] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:31:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:41] [INFO ] [Real]Absence check using state equation in 987 ms returned sat
[2025-06-01 07:31:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:31:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:42] [INFO ] [Nat]Absence check using state equation in 1012 ms returned sat
[2025-06-01 07:31:43] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:31:47] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:31:52] [INFO ] [Nat]Added 400 Read/Feed constraints in 9068 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:52] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:31:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:31:52] [INFO ] [Real]Absence check using state equation in 615 ms returned sat
[2025-06-01 07:31:54] [INFO ] [Real]Added 400 Read/Feed constraints in 1356 ms returned sat
[2025-06-01 07:31:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:31:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:31:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:31:55] [INFO ] [Nat]Absence check using state equation in 676 ms returned sat
[2025-06-01 07:31:59] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:32:01] [INFO ] [Nat]Added 400 Read/Feed constraints in 6533 ms returned sat
[2025-06-01 07:32:02] [INFO ] Computed and/alt/rep : 580/4548/580 causal constraints (skipped 4229 transitions) in 973 ms.
[2025-06-01 07:32:03] [INFO ] Added : 1 causal constraints over 1 iterations in 1498 ms. Result :sat
Minimization took 5061 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 5] Max Struct:[+inf, 10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 5] Max Struct:[+inf, 10]
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 263 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 264 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 198 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2025-06-01 07:32:08] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:32:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:32:09] [INFO ] Implicit Places using invariants in 425 ms returned []
[2025-06-01 07:32:09] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:32:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:32:10] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:32:43] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2025-06-01 07:33:13] [INFO ] Performed 420/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2025-06-01 07:33:19] [INFO ] Implicit Places using invariants and state equation in 70248 ms returned []
Implicit Place search using SMT with State Equation took 70678 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:33:20] [INFO ] Redundant transitions in 766 ms returned []
Running 7150 sub problems to find dead transitions.
[2025-06-01 07:33:20] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:33:20] [INFO ] Invariant cache hit.
[2025-06-01 07:33:20] [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, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 44052ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 44098ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115797 ms. Remains : 433/433 places, 7152/7152 transitions.
[2025-06-01 07:34:04] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 125 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 2) seen :[2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 5] Max Struct:[+inf, 10]
[2025-06-01 07:34:12] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:34:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5, 5] Max Struct:[+inf, 10]
RANDOM walk for 1000000 steps (8672 resets) in 3726 ms. (268 steps per ms)
BEST_FIRST walk for 2000001 steps (2802 resets) in 1913 ms. (1044 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 5] Max Struct:[+inf, 10]
[2025-06-01 07:34:18] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:34:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:34:18] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-01 07:34:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:34:19] [INFO ] [Real]Absence check using state equation in 1079 ms returned sat
[2025-06-01 07:34:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:34:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:34:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:34:20] [INFO ] [Nat]Absence check using state equation in 1033 ms returned sat
[2025-06-01 07:34:20] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:34:25] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:34:29] [INFO ] [Nat]Added 400 Read/Feed constraints in 9069 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:34:29] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:34:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:34:30] [INFO ] [Real]Absence check using state equation in 663 ms returned sat
[2025-06-01 07:34:31] [INFO ] [Real]Added 400 Read/Feed constraints in 1396 ms returned sat
[2025-06-01 07:34:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:34:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:34:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:34:32] [INFO ] [Nat]Absence check using state equation in 627 ms returned sat
[2025-06-01 07:34:37] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:34:40] [INFO ] [Nat]Added 400 Read/Feed constraints in 8309 ms returned sat
[2025-06-01 07:34:41] [INFO ] Computed and/alt/rep : 580/4548/580 causal constraints (skipped 4229 transitions) in 540 ms.
[2025-06-01 07:34:41] [INFO ] Added : 1 causal constraints over 1 iterations in 926 ms. Result :sat
Minimization took 5057 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 5] Max Struct:[+inf, 10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 5] Max Struct:[+inf, 10]
Support contains 2 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 178 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 171 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2025-06-01 07:34:47] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:34:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:34:47] [INFO ] Implicit Places using invariants in 424 ms returned []
[2025-06-01 07:34:47] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:34:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:34:48] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:35:22] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 33 seconds.
[2025-06-01 07:35:52] [INFO ] Performed 421/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2025-06-01 07:35:57] [INFO ] Implicit Places using invariants and state equation in 70187 ms returned []
Implicit Place search using SMT with State Equation took 70617 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:35:58] [INFO ] Redundant transitions in 685 ms returned []
Running 7150 sub problems to find dead transitions.
[2025-06-01 07:35:58] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:35:58] [INFO ] Invariant cache hit.
[2025-06-01 07:35:58] [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, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 44603ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 44622ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116123 ms. Remains : 433/433 places, 7152/7152 transitions.
[2025-06-01 07:36:43] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 129 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 2) seen :[2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 5] Max Struct:[+inf, 10]
RANDOM walk for 40005 steps (345 resets) in 790 ms. (50 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (52 resets) in 210 ms. (189 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (57 resets) in 185 ms. (215 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (51 resets) in 158 ms. (251 steps per ms) remains 3/3 properties
[2025-06-01 07:36:52] [INFO ] Flatten gal took : 505 ms
[2025-06-01 07:36:52] [INFO ] Flatten gal took : 257 ms
[2025-06-01 07:36:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14306752424338671881.gal : 142 ms
[2025-06-01 07:36:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13830493265184780844.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/ReachabilityCardinality14306752424338671881.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13830493265184780844.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/ReachabilityCardinality13830493265184780844.prop.
Interrupted probabilistic random walk after 127134 steps, run timeout after 3001 ms. (steps per millisecond=42 ) properties seen :0 out of 3
Probabilistic random walk after 127134 steps, saw 99085 distinct states, run finished after 3005 ms. (steps per millisecond=42 ) properties seen :0
[2025-06-01 07:36:55] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:36:55] [INFO ] Invariant cache hit.
[2025-06-01 07:36:55] [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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 13/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1704/1719 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1719 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :12 after 90
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :90 after 880
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :880 after 5757
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :5757 after 25025
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :25025 after 470547
At refinement iteration 5 (OVERLAPS) 3475/5194 variables, 386/402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :470547 after 1.09858e+06
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :1.09858e+06 after 1.58359e+06
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5194 variables, 388/790 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5194 variables, 0/790 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 18/5212 variables, 1/791 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5212 variables, 1/792 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5212 variables, 0/792 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 32/5244 variables, 31/823 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1.58359e+06 after 3.4213e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5244/5244 variables, and 835 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4959 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 13/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1704/1719 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1719 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :3.4213e+06 after 7.4779e+06
At refinement iteration 5 (OVERLAPS) 3475/5194 variables, 386/402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5194/5244 variables, and 790 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4087 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 401/433 constraints, ReadFeed: 388/400 constraints, PredecessorRefiner: 0/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9097ms problems are : Problem set: 0 solved, 3 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, 7152/7152 transitions.
Applied a total of 0 rules in 171 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 433/433 places, 7152/7152 transitions.
RANDOM walk for 40000 steps (339 resets) in 361 ms. (110 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (53 resets) in 126 ms. (314 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (50 resets) in 147 ms. (270 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (55 resets) in 126 ms. (314 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 132690 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :0 out of 3
Probabilistic random walk after 132690 steps, saw 103217 distinct states, run finished after 3001 ms. (steps per millisecond=44 ) properties seen :0
[2025-06-01 07:37:07] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:37:07] [INFO ] Invariant cache hit.
[2025-06-01 07:37:07] [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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 13/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :7.4779e+06 after 1.17338e+07
At refinement iteration 3 (OVERLAPS) 1704/1719 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1719 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 3475/5194 variables, 386/402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5194 variables, 388/790 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5194 variables, 0/790 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 18/5212 variables, 1/791 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5212 variables, 1/792 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5212 variables, 0/792 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 32/5244 variables, 31/823 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5244 variables, 12/835 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5244/5244 variables, and 835 constraints, problems are : Problem set: 0 solved, 3 unsolved in 6362 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 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, 3 unsolved
At refinement iteration 1 (OVERLAPS) 13/15 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1704/1719 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1719 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 3475/5194 variables, 386/402 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5194 variables, 388/790 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5194 variables, 3/793 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1.17338e+07 after 1.52288e+07
At refinement iteration 8 (INCLUDED_ONLY) 0/5194 variables, 0/793 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 18/5212 variables, 1/794 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5212 variables, 1/795 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5212 variables, 0/795 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 32/5244 variables, 31/826 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
Detected timeout of ITS tools.
[2025-06-01 07:37:43] [INFO ] Flatten gal took : 184 ms
[2025-06-01 07:37:43] [INFO ] Applying decomposition
[2025-06-01 07:37:43] [INFO ] Flatten gal took : 176 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/graph3325344791397722895.txt' '-o' '/tmp/graph3325344791397722895.bin' '-w' '/tmp/graph3325344791397722895.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3325344791397722895.bin' '-l' '-1' '-v' '-w' '/tmp/graph3325344791397722895.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:37:44] [INFO ] Decomposing Gal with order
[2025-06-01 07:37:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:37:44] [INFO ] Removed a total of 17526 redundant transitions.
[2025-06-01 07:37:45] [INFO ] Flatten gal took : 583 ms
[2025-06-01 07:37:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 947 labels/synchronizations in 270 ms.
[2025-06-01 07:37:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6072790859931359273.gal : 49 ms
[2025-06-01 07:37:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality232459047464813280.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/ReachabilityCardinality6072790859931359273.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality232459047464813280.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 ...306
Loading property file /tmp/ReachabilityCardinality232459047464813280.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 13056
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :13056 after 18171
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :18171 after 197843
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :197843 after 273084
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :273084 after 280743
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :280743 after 295980
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :295980 after 818738
After SMT solving in domain Int declared 5244/5244 variables, and 838 constraints, problems are : Problem set: 0 solved, 3 unsolved in 35295 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41695ms problems are : Problem set: 0 solved, 3 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, 7152/7152 transitions.
Applied a total of 0 rules in 161 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 162 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 153 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2025-06-01 07:37:49] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:37:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:37:50] [INFO ] Implicit Places using invariants in 639 ms returned []
[2025-06-01 07:37:50] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:37:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:37:51] [INFO ] State equation strengthened by 400 read => feed constraints.
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :818738 after 1.1853e+06
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1.1853e+06 after 1.21043e+06
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1.21043e+06 after 1.21289e+06
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1.21289e+06 after 3.67379e+06
[2025-06-01 07:38:25] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 34 seconds.
Detected timeout of ITS tools.
[2025-06-01 07:38:55] [INFO ] Performed 420/433 implicitness test of which 0 returned IMPLICIT in 64 seconds.
[2025-06-01 07:39:01] [INFO ] Implicit Places using invariants and state equation in 71097 ms returned []
Implicit Place search using SMT with State Equation took 71740 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:39:02] [INFO ] Redundant transitions in 757 ms returned []
Running 7150 sub problems to find dead transitions.
[2025-06-01 07:39:02] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:39:02] [INFO ] Invariant cache hit.
[2025-06-01 07:39:02] [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, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 45353ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 45371ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118062 ms. Remains : 433/433 places, 7152/7152 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5, 5] Max Struct:[+inf, 10]
Starting property specific reduction for DoubleLock-PT-p1s2-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]
[2025-06-01 07:39:47] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:39:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (86 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10001 steps (13 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 07:39:47] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:39:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:39:47] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:39:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:39:48] [INFO ] [Real]Absence check using state equation in 968 ms returned sat
[2025-06-01 07:39:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:39:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:39:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:39:49] [INFO ] [Nat]Absence check using state equation in 881 ms returned sat
[2025-06-01 07:39:49] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:39:50] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:39:50] [INFO ] [Nat]Added 400 Read/Feed constraints in 1063 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 170 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 433/433 places, 7152/7152 transitions.
[2025-06-01 07:39:51] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 129 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 07:39:59] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:39:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000001 steps (8684 resets) in 3363 ms. (297 steps per ms)
BEST_FIRST walk for 1000001 steps (1381 resets) in 981 ms. (1018 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 07:40:03] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:40:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:40:03] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:40:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:40:04] [INFO ] [Real]Absence check using state equation in 851 ms returned sat
[2025-06-01 07:40:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:40:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:40:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:40:05] [INFO ] [Nat]Absence check using state equation in 934 ms returned sat
[2025-06-01 07:40:05] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:40:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:40:14] [INFO ] [Nat]Added 400 Read/Feed constraints in 9064 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 154 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 154 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 151 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2025-06-01 07:40:15] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:40:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:40:15] [INFO ] Implicit Places using invariants in 436 ms returned []
[2025-06-01 07:40:15] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:40:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:40:16] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:40:50] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 33 seconds.
[2025-06-01 07:41:20] [INFO ] Performed 421/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2025-06-01 07:41:27] [INFO ] Implicit Places using invariants and state equation in 71415 ms returned []
Implicit Place search using SMT with State Equation took 71852 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:41:27] [INFO ] Redundant transitions in 523 ms returned []
Running 7150 sub problems to find dead transitions.
[2025-06-01 07:41:27] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:41:27] [INFO ] Invariant cache hit.
[2025-06-01 07:41:27] [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: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 44410ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 44425ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116979 ms. Remains : 433/433 places, 7152/7152 transitions.
[2025-06-01 07:42:12] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 125 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 07:42:20] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:42:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (8690 resets) in 3516 ms. (284 steps per ms)
BEST_FIRST walk for 1000001 steps (1350 resets) in 1002 ms. (997 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2025-06-01 07:42:24] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:42:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:42:24] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:42:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:42:25] [INFO ] [Real]Absence check using state equation in 907 ms returned sat
[2025-06-01 07:42:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:42:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:42:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:42:26] [INFO ] [Nat]Absence check using state equation in 880 ms returned sat
[2025-06-01 07:42:26] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:42:31] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:42:36] [INFO ] [Nat]Added 400 Read/Feed constraints in 9062 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, 7152/7152 transitions.
Applied a total of 0 rules in 162 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 150 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2025-06-01 07:42:36] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:42:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:42:36] [INFO ] Implicit Places using invariants in 419 ms returned []
[2025-06-01 07:42:36] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:42:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:42:37] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:43:09] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2025-06-01 07:43:39] [INFO ] Performed 421/433 implicitness test of which 0 returned IMPLICIT in 62 seconds.
[2025-06-01 07:43:46] [INFO ] Implicit Places using invariants and state equation in 69330 ms returned []
Implicit Place search using SMT with State Equation took 69753 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:43:46] [INFO ] Redundant transitions in 544 ms returned []
Running 7150 sub problems to find dead transitions.
[2025-06-01 07:43:46] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:43:46] [INFO ] Invariant cache hit.
[2025-06-01 07:43:46] [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, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 44129ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 44141ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114611 ms. Remains : 433/433 places, 7152/7152 transitions.
[2025-06-01 07:44:30] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 123 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-06-01 07:44:38] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:44:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (8661 resets) in 3276 ms. (305 steps per ms)
BEST_FIRST walk for 1000001 steps (1386 resets) in 940 ms. (1062 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 07:44:43] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:44:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:44:43] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:44:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:44:44] [INFO ] [Real]Absence check using state equation in 947 ms returned sat
[2025-06-01 07:44:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:44:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:44:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:44:45] [INFO ] [Nat]Absence check using state equation in 971 ms returned sat
[2025-06-01 07:44:45] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:44:49] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:44:54] [INFO ] [Nat]Added 400 Read/Feed constraints in 9072 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 187 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 187 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2025-06-01 07:44:54] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:44:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:44:55] [INFO ] Implicit Places using invariants in 463 ms returned []
[2025-06-01 07:44:55] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:44:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:44:55] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:45:29] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 33 seconds.
[2025-06-01 07:45:59] [INFO ] Performed 419/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2025-06-01 07:46:06] [INFO ] Implicit Places using invariants and state equation in 71525 ms returned []
Implicit Place search using SMT with State Equation took 71991 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:46:07] [INFO ] Redundant transitions in 549 ms returned []
Running 7150 sub problems to find dead transitions.
[2025-06-01 07:46:07] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:46:07] [INFO ] Invariant cache hit.
[2025-06-01 07:46:07] [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 "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 44339ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 44352ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 117106 ms. Remains : 433/433 places, 7152/7152 transitions.
[2025-06-01 07:46:51] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 119 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 07:46:59] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:46:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000002 steps (8697 resets) in 3532 ms. (283 steps per ms)
BEST_FIRST walk for 1000001 steps (1410 resets) in 974 ms. (1025 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 07:47:04] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:47:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:47:04] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:47:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 07:47:05] [INFO ] [Real]Absence check using state equation in 984 ms returned sat
[2025-06-01 07:47:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:47:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:47:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-01 07:47:06] [INFO ] [Nat]Absence check using state equation in 1009 ms returned sat
[2025-06-01 07:47:06] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:47:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:47:15] [INFO ] [Nat]Added 400 Read/Feed constraints in 9065 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 159 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 150 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2025-06-01 07:47:15] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:47:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:47:16] [INFO ] Implicit Places using invariants in 427 ms returned []
[2025-06-01 07:47:16] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:47:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:47:17] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:47:50] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 33 seconds.
[2025-06-01 07:48:20] [INFO ] Performed 422/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2025-06-01 07:48:26] [INFO ] Implicit Places using invariants and state equation in 70078 ms returned []
Implicit Place search using SMT with State Equation took 70509 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:48:26] [INFO ] Redundant transitions in 543 ms returned []
Running 7150 sub problems to find dead transitions.
[2025-06-01 07:48:26] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:48:26] [INFO ] Invariant cache hit.
[2025-06-01 07:48:26] [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, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 44156ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 44168ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115394 ms. Remains : 433/433 places, 7152/7152 transitions.
[2025-06-01 07:49:11] [INFO ] Flow matrix only has 4811 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 {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 128 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40006 steps (345 resets) in 272 ms. (146 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (54 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
[2025-06-01 07:49:19] [INFO ] Flatten gal took : 165 ms
[2025-06-01 07:49:19] [INFO ] Flatten gal took : 172 ms
[2025-06-01 07:49:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11208524336420848598.gal : 41 ms
[2025-06-01 07:49:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9031388341882424064.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/ReachabilityCardinality11208524336420848598.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9031388341882424064.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/ReachabilityCardinality9031388341882424064.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 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
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :5757 after 25025
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :25025 after 470547
Interrupted probabilistic random walk after 179363 steps, run timeout after 3001 ms. (steps per millisecond=59 ) properties seen :0 out of 1
Probabilistic random walk after 179363 steps, saw 137942 distinct states, run finished after 3001 ms. (steps per millisecond=59 ) properties seen :0
[2025-06-01 07:49:22] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:49:22] [INFO ] Invariant cache hit.
[2025-06-01 07:49:22] [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) 193/194 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :470547 after 1.09858e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.09858e+06 after 1.58359e+06
At refinement iteration 3 (OVERLAPS) 4847/5041 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5041 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5041 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/5059 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5059 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5059 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 185/5244 variables, 173/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5244 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5244 variables, 270/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.58359e+06 after 3.4213e+06
At refinement iteration 13 (OVERLAPS) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5244/5244 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1515 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 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) 193/194 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4847/5041 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5041 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5041 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5041 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 18/5059 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5059 variables, 1/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5059 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.4213e+06 after 7.4779e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5244/5244 variables, and 565 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5019 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 130/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6648ms 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, 7152/7152 transitions.
Applied a total of 0 rules in 149 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 433/433 places, 7152/7152 transitions.
RANDOM walk for 40005 steps (348 resets) in 232 ms. (171 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (53 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 180488 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :0 out of 1
Probabilistic random walk after 180488 steps, saw 138779 distinct states, run finished after 3001 ms. (steps per millisecond=60 ) properties seen :0
[2025-06-01 07:49:32] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:49:32] [INFO ] Invariant cache hit.
[2025-06-01 07:49:32] [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) 193/194 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4847/5041 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5041 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5041 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/5059 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5059 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5059 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 185/5244 variables, 173/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5244 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5244 variables, 270/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5244/5244 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1475 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 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) 193/194 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.4779e+06 after 1.17338e+07
At refinement iteration 3 (OVERLAPS) 4847/5041 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5041 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5041 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5041 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 18/5059 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5059 variables, 1/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5059 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.17338e+07 after 1.52288e+07
Detected timeout of ITS tools.
[2025-06-01 07:50:09] [INFO ] Flatten gal took : 244 ms
[2025-06-01 07:50:09] [INFO ] Applying decomposition
[2025-06-01 07:50:10] [INFO ] Flatten gal took : 148 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/graph15776718284930529453.txt' '-o' '/tmp/graph15776718284930529453.bin' '-w' '/tmp/graph15776718284930529453.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15776718284930529453.bin' '-l' '-1' '-v' '-w' '/tmp/graph15776718284930529453.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:50:10] [INFO ] Decomposing Gal with order
[2025-06-01 07:50:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:50:10] [INFO ] Removed a total of 17271 redundant transitions.
[2025-06-01 07:50:10] [INFO ] Flatten gal took : 284 ms
[2025-06-01 07:50:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 1005 labels/synchronizations in 266 ms.
[2025-06-01 07:50:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9832748751110124334.gal : 25 ms
[2025-06-01 07:50:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13504235784606223907.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/ReachabilityCardinality9832748751110124334.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13504235784606223907.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/ReachabilityCardinality13504235784606223907.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6147
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6147 after 6157
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6157 after 6353
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6353 after 214762
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :214762 after 215217
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :215217 after 215790
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5244/5244 variables, and 565 constraints, problems are : Problem set: 0 solved, 1 unsolved in 45019 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 130/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 46517ms 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, 7152/7152 transitions.
Applied a total of 0 rules in 171 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 171 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 164 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2025-06-01 07:50:19] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:50:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:50:19] [INFO ] Implicit Places using invariants in 456 ms returned []
[2025-06-01 07:50:19] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:50:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:50:20] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:50:54] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 33 seconds.
Detected timeout of ITS tools.
[2025-06-01 07:51:24] [INFO ] Performed 420/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2025-06-01 07:51:30] [INFO ] Implicit Places using invariants and state equation in 71285 ms returned []
Implicit Place search using SMT with State Equation took 71744 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:51:31] [INFO ] Redundant transitions in 522 ms returned []
Running 7150 sub problems to find dead transitions.
[2025-06-01 07:51:31] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:51:31] [INFO ] Invariant cache hit.
[2025-06-01 07:51:31] [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, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 44591ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 44602ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 117051 ms. Remains : 433/433 places, 7152/7152 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p1s2-UpperBounds-11 in 748269 ms.
Starting property specific reduction for DoubleLock-PT-p1s2-UpperBounds-13
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:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
[2025-06-01 07:52:15] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:52:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (89 resets) in 44 ms. (222 steps per ms)
BEST_FIRST walk for 10000 steps (14 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[10]
[2025-06-01 07:52:15] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2025-06-01 07:52:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:52:16] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:52:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 07:52:16] [INFO ] [Real]Absence check using state equation in 685 ms returned sat
[2025-06-01 07:52:16] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:52:17] [INFO ] [Real]Added 400 Read/Feed constraints in 445 ms returned sat
[2025-06-01 07:52:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 07:52:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2025-06-01 07:52:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2025-06-01 07:52:18] [INFO ] [Nat]Absence check using state equation in 625 ms returned sat
[2025-06-01 07:52:18] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:52:19] [INFO ] [Nat]Added 400 Read/Feed constraints in 1090 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[10]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 433 transition count 7088
Applied a total of 64 rules in 178 ms. Remains 433 /433 variables (removed 0) and now considering 7088/7152 (removed 64) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 433/433 places, 7088/7152 transitions.
[2025-06-01 07:52:19] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
// Phase 1: matrix 4747 rows 433 cols
[2025-06-01 07:52:19] [INFO ] Computed 3 invariants in 32 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[10]
RANDOM walk for 1000003 steps (8656 resets) in 4304 ms. (232 steps per ms)
BEST_FIRST walk for 1000001 steps (1412 resets) in 1205 ms. (829 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[10]
[2025-06-01 07:52:24] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:52:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:52:24] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:52:25] [INFO ] [Real]Absence check using state equation in 721 ms returned sat
[2025-06-01 07:52:25] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:52:26] [INFO ] [Real]Added 400 Read/Feed constraints in 334 ms returned sat
[2025-06-01 07:52:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:52:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 07:52:26] [INFO ] [Nat]Absence check using state equation in 654 ms returned sat
[2025-06-01 07:52:31] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:52:35] [INFO ] [Nat]Added 400 Read/Feed constraints in 9065 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[10]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7088/7088 transitions.
Applied a total of 0 rules in 177 ms. Remains 433 /433 variables (removed 0) and now considering 7088/7088 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 433/433 places, 7088/7088 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7088/7088 transitions.
Applied a total of 0 rules in 164 ms. Remains 433 /433 variables (removed 0) and now considering 7088/7088 (removed 0) transitions.
[2025-06-01 07:52:36] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:52:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:52:38] [INFO ] Implicit Places using invariants in 1877 ms returned []
[2025-06-01 07:52:38] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:52:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:52:39] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:53:09] [INFO ] Performed 47/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:53:39] [INFO ] Performed 400/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:53:52] [INFO ] Implicit Places using invariants and state equation in 73856 ms returned []
Implicit Place search using SMT with State Equation took 75737 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:53:52] [INFO ] Redundant transitions in 504 ms returned []
Running 7086 sub problems to find dead transitions.
[2025-06-01 07:53:52] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:53:52] [INFO ] Invariant cache hit.
[2025-06-01 07:53:52] [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, 7086 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5180 variables, and 3 constraints, problems are : Problem set: 0 solved, 7086 unsolved in 30119 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7086/7086 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7086 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, 7086 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5180 variables, and 3 constraints, problems are : Problem set: 0 solved, 7086 unsolved in 30080 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7086 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 75504ms problems are : Problem set: 0 solved, 7086 unsolved
Search for dead transitions found 0 dead transitions in 75519ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 151949 ms. Remains : 433/433 places, 7088/7088 transitions.
[2025-06-01 07:55:08] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:55:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[10]
RANDOM walk for 1000000 steps (8641 resets) in 3329 ms. (300 steps per ms)
BEST_FIRST walk for 1000001 steps (1386 resets) in 895 ms. (1116 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[10]
[2025-06-01 07:55:12] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:55:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:55:12] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:55:13] [INFO ] [Real]Absence check using state equation in 641 ms returned sat
[2025-06-01 07:55:13] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:55:13] [INFO ] [Real]Added 400 Read/Feed constraints in 335 ms returned sat
[2025-06-01 07:55:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 07:55:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 07:55:14] [INFO ] [Nat]Absence check using state equation in 641 ms returned sat
[2025-06-01 07:55:18] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-01 07:55:21] [INFO ] [Nat]Added 400 Read/Feed constraints in 7271 ms returned sat
[2025-06-01 07:55:22] [INFO ] Computed and/alt/rep : 580/4548/580 causal constraints (skipped 4165 transitions) in 996 ms.
[2025-06-01 07:55:23] [INFO ] Added : 1 causal constraints over 1 iterations in 1500 ms. Result :sat
Minimization took 5149 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[10]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7088/7088 transitions.
Applied a total of 0 rules in 153 ms. Remains 433 /433 variables (removed 0) and now considering 7088/7088 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 433/433 places, 7088/7088 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7088/7088 transitions.
Applied a total of 0 rules in 147 ms. Remains 433 /433 variables (removed 0) and now considering 7088/7088 (removed 0) transitions.
[2025-06-01 07:55:28] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:55:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:55:30] [INFO ] Implicit Places using invariants in 1825 ms returned []
[2025-06-01 07:55:30] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:55:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:55:31] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:56:01] [INFO ] Performed 51/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 07:56:31] [INFO ] Performed 405/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:56:41] [INFO ] Implicit Places using invariants and state equation in 71102 ms returned []
Implicit Place search using SMT with State Equation took 72931 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:56:41] [INFO ] Redundant transitions in 514 ms returned []
Running 7086 sub problems to find dead transitions.
[2025-06-01 07:56:42] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:56:42] [INFO ] Invariant cache hit.
[2025-06-01 07:56:42] [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, 7086 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5180 variables, and 3 constraints, problems are : Problem set: 0 solved, 7086 unsolved in 30091 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7086/7086 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7086 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, 7086 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5180 variables, and 3 constraints, problems are : Problem set: 0 solved, 7086 unsolved in 30083 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7086 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74305ms problems are : Problem set: 0 solved, 7086 unsolved
Search for dead transitions found 0 dead transitions in 74313ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147927 ms. Remains : 433/433 places, 7088/7088 transitions.
RANDOM walk for 40011 steps (344 resets) in 314 ms. (127 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (50 resets) in 100 ms. (396 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (53 resets) in 96 ms. (412 steps per ms) remains 2/2 properties
[2025-06-01 07:57:56] [INFO ] Flatten gal took : 254 ms
[2025-06-01 07:57:56] [INFO ] Flatten gal took : 167 ms
[2025-06-01 07:57:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11303285217014663472.gal : 28 ms
[2025-06-01 07:57:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5192646300526530874.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/ReachabilityCardinality11303285217014663472.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5192646300526530874.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/ReachabilityCardinality5192646300526530874.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12 after 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 60060
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :60060 after 472549
Interrupted probabilistic random walk after 136262 steps, run timeout after 3001 ms. (steps per millisecond=45 ) properties seen :0 out of 2
Probabilistic random walk after 136262 steps, saw 105875 distinct states, run finished after 3001 ms. (steps per millisecond=45 ) properties seen :0
[2025-06-01 07:57:59] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:57:59] [INFO ] Invariant cache hit.
[2025-06-01 07:57:59] [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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1511/1525 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1525 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :472549 after 1.09859e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.09859e+06 after 1.59262e+06
At refinement iteration 5 (OVERLAPS) 3088/4613 variables, 256/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/4613 variables, 386/657 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4613 variables, 0/657 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 147/4760 variables, 2/659 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:58:00] [INFO ] Deduced a trap composed of 201 places in 412 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:58:01] [INFO ] Deduced a trap composed of 115 places in 308 ms of which 17 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/4760 variables, 2/661 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.59262e+06 after 3.53026e+06
At refinement iteration 10 (INCLUDED_ONLY) 0/4760 variables, 0/661 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 420/5180 variables, 163/824 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5180/5180 variables, and 838 constraints, problems are : Problem set: 0 solved, 2 unsolved in 4748 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: 2/2 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1511/1525 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1525 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3.53026e+06 after 7.49703e+06
At refinement iteration 5 (OVERLAPS) 3088/4613 variables, 256/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4613 variables, 386/657 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4613 variables, 2/659 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4613 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4760/5180 variables, and 661 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2516 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 270/433 constraints, ReadFeed: 386/400 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7289ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7088/7088 transitions.
Applied a total of 0 rules in 151 ms. Remains 433 /433 variables (removed 0) and now considering 7088/7088 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 433/433 places, 7088/7088 transitions.
RANDOM walk for 40003 steps (342 resets) in 230 ms. (173 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (51 resets) in 71 ms. (555 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (54 resets) in 77 ms. (512 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 148548 steps, run timeout after 3001 ms. (steps per millisecond=49 ) properties seen :0 out of 2
Probabilistic random walk after 148548 steps, saw 115020 distinct states, run finished after 3001 ms. (steps per millisecond=49 ) properties seen :0
[2025-06-01 07:58:10] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:58:10] [INFO ] Invariant cache hit.
[2025-06-01 07:58:10] [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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1511/1525 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1525 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 3088/4613 variables, 256/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/4613 variables, 386/657 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4613 variables, 0/657 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 147/4760 variables, 2/659 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 07:58:11] [INFO ] Deduced a trap composed of 201 places in 418 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7.49703e+06 after 1.17342e+07
[2025-06-01 07:58:11] [INFO ] Deduced a trap composed of 115 places in 304 ms of which 18 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/4760 variables, 2/661 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4760 variables, 0/661 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 420/5180 variables, 163/824 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5180 variables, 14/838 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/5180 variables, 0/838 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/5180 variables, 0/838 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5180/5180 variables, and 838 constraints, problems are : Problem set: 0 solved, 2 unsolved in 9944 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: 2/2 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1511/1525 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1525 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 3088/4613 variables, 256/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4613 variables, 386/657 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4613 variables, 2/659 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4613 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 147/4760 variables, 2/661 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4760 variables, 2/663 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/4760 variables, 0/663 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.17342e+07 after 1.52288e+07
At refinement iteration 12 (OVERLAPS) 420/5180 variables, 163/826 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5180/5180 variables, and 840 constraints, problems are : Problem set: 0 solved, 2 unsolved in 23710 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: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33679ms problems are : Problem set: 0 solved, 2 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, 7088/7088 transitions.
Applied a total of 0 rules in 165 ms. Remains 433 /433 variables (removed 0) and now considering 7088/7088 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 433/433 places, 7088/7088 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7088/7088 transitions.
Applied a total of 0 rules in 147 ms. Remains 433 /433 variables (removed 0) and now considering 7088/7088 (removed 0) transitions.
[2025-06-01 07:58:44] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:58:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 07:58:46] [INFO ] Implicit Places using invariants in 1919 ms returned []
[2025-06-01 07:58:46] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:58:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2025-06-01 07:58:46] [INFO ] State equation strengthened by 400 read => feed constraints.
[2025-06-01 07:58:47] [INFO ] Flatten gal took : 141 ms
[2025-06-01 07:58:47] [INFO ] Applying decomposition
[2025-06-01 07:58:47] [INFO ] Flatten gal took : 150 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/graph13711470261272408332.txt' '-o' '/tmp/graph13711470261272408332.bin' '-w' '/tmp/graph13711470261272408332.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13711470261272408332.bin' '-l' '-1' '-v' '-w' '/tmp/graph13711470261272408332.weights' '-q' '0' '-e' '0.001'
[2025-06-01 07:58:47] [INFO ] Decomposing Gal with order
[2025-06-01 07:58:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 07:58:47] [INFO ] Removed a total of 17144 redundant transitions.
[2025-06-01 07:58:47] [INFO ] Flatten gal took : 244 ms
[2025-06-01 07:58:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 647 labels/synchronizations in 208 ms.
[2025-06-01 07:58:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10889472195161256962.gal : 19 ms
[2025-06-01 07:58:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6860599700615759452.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/ReachabilityCardinality10889472195161256962.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6860599700615759452.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/ReachabilityCardinality6860599700615759452.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 47
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :47 after 711
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :711 after 905
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :905 after 58561
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :58561 after 972987
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :972987 after 1.37262e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.37262e+06 after 1.3958e+06
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1.3958e+06 after 1.40458e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.40458e+06 after 1.51462e+06
[2025-06-01 07:59:17] [INFO ] Performed 55/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.51462e+06 after 2.13342e+06
Detected timeout of ITS tools.
[2025-06-01 07:59:47] [INFO ] Performed 406/433 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2025-06-01 07:59:58] [INFO ] Implicit Places using invariants and state equation in 72142 ms returned []
Implicit Place search using SMT with State Equation took 74063 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 07:59:58] [INFO ] Redundant transitions in 508 ms returned []
Running 7086 sub problems to find dead transitions.
[2025-06-01 07:59:58] [INFO ] Flow matrix only has 4747 transitions (discarded 2341 similar events)
[2025-06-01 07:59:58] [INFO ] Invariant cache hit.
[2025-06-01 07:59:58] [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, 7086 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5180 variables, and 3 constraints, problems are : Problem set: 0 solved, 7086 unsolved in 30091 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7086/7086 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7086 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, 7086 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5180 variables, and 3 constraints, problems are : Problem set: 0 solved, 7086 unsolved in 30080 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7086 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 75667ms problems are : Problem set: 0 solved, 7086 unsolved
Search for dead transitions found 0 dead transitions in 75676ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150414 ms. Remains : 433/433 places, 7088/7088 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[10]
Ending property specific reduction for DoubleLock-PT-p1s2-UpperBounds-13 in 538519 ms.
[2025-06-01 08:01:14] [INFO ] Flatten gal took : 148 ms
[2025-06-01 08:01:14] [INFO ] Applying decomposition
[2025-06-01 08:01:14] [INFO ] Flatten gal took : 154 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/graph2722830178684110468.txt' '-o' '/tmp/graph2722830178684110468.bin' '-w' '/tmp/graph2722830178684110468.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2722830178684110468.bin' '-l' '-1' '-v' '-w' '/tmp/graph2722830178684110468.weights' '-q' '0' '-e' '0.001'
[2025-06-01 08:01:15] [INFO ] Decomposing Gal with order
[2025-06-01 08:01:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 08:01:15] [INFO ] Removed a total of 17526 redundant transitions.
[2025-06-01 08:01:15] [INFO ] Flatten gal took : 248 ms
[2025-06-01 08:01:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 877 labels/synchronizations in 181 ms.
[2025-06-01 08:01:15] [INFO ] Time to serialize gal into /tmp/UpperBounds11051146635870294935.gal : 21 ms
[2025-06-01 08:01:15] [INFO ] Time to serialize properties into /tmp/UpperBounds16988284097521535034.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/UpperBounds11051146635870294935.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds16988284097521535034.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 ...285
Loading property file /tmp/UpperBounds16988284097521535034.prop.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleLock-PT-p1s2"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is DoubleLock-PT-p1s2, 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 r072-tall-174860067600533"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s2.tgz
mv DoubleLock-PT-p1s2 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;