Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r114-smll-177955740300021.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DoubleLock-PT-p1s3, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740300021
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 7.3K Mar 6 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 6 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 09:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 09:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 6 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 18:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.4M Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779583239238

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-p1s3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 00:40:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 00:40:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 00:40:42] [INFO ] Load time of PNML (sax parser for PT used): 977 ms
[2026-05-24 00:40:42] [INFO ] Transformed 570 places.
[2026-05-24 00:40:43] [INFO ] Transformed 7568 transitions.
[2026-05-24 00:40:43] [INFO ] Parsed PT model containing 570 places and 7568 transitions and 30656 arcs in 1279 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Deduced a syphon composed of 132 places in 30 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s3-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13891085036001257172.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1695608962149614398.kers'
[2026-05-24 00:40:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13891085036001257172.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1695608962149614398.kers]
Normalized transition count is 4971 out of 7312 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 5 ms.
// Phase 1: matrix 4971 rows 437 cols 19310 entries
Finished phase 1 with 434 SingleSign rule and 0 generalized
[2026-05-24 00:40:43] [INFO ] Computed 4 invariants in 52 ms
Computed 4 P flows in 53 ms.
Exported basis to /tmp/petrispot-output-1695608962149614398.kers
Total runtime 61 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, +inf, 10, 10, 1, 1, 1, 1, +inf, 1, 1, 1]
FORMULA DoubleLock-PT-p1s3-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (94 resets) in 178 ms. (55 steps per ms)
FORMULA DoubleLock-PT-p1s3-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-04 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (70 resets) in 270 ms. (184 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 4, 0, 3] Max Struct:[1, +inf, 1, +inf]
[2026-05-24 00:40:44] [INFO ] Flow matrix only has 4971 transitions (discarded 2341 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6464308244309799783.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12032223174904052646.kers'
[2026-05-24 00:40:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6464308244309799783.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12032223174904052646.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 3 ms.
// Phase 1: matrix 4971 rows 437 cols 19310 entries
Finished phase 1 with 434 SingleSign rule and 0 generalized
[2026-05-24 00:40:44] [INFO ] Computed 4 invariants in 30 ms
Computed 4 P flows in 31 ms.
Exported basis to /tmp/petrispot-output-12032223174904052646.kers
Total runtime 37 ms.
[2026-05-24 00:40:44] [INFO ] [Real]Absence check using 3 positive place invariants in 23 ms returned sat
[2026-05-24 00:40:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 00:40:46] [INFO ] [Real]Absence check using state equation in 2164 ms returned sat
[2026-05-24 00:40:47] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-24 00:40:47] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:40:48] [INFO ] [Real]Added 400 Read/Feed constraints in 1166 ms returned unknown
[2026-05-24 00:40:48] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-24 00:40:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 00:40:50] [INFO ] [Real]Absence check using state equation in 2205 ms returned sat
[2026-05-24 00:40:51] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:40:52] [INFO ] [Real]Added 400 Read/Feed constraints in 1213 ms returned unknown
[2026-05-24 00:40:52] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-24 00:40:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 00:40:53] [INFO ] [Real]Absence check using state equation in 1551 ms returned sat
[2026-05-24 00:40:54] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:40:55] [INFO ] [Real]Added 400 Read/Feed constraints in 1029 ms returned sat
[2026-05-24 00:40:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 00:40:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 16 ms returned sat
[2026-05-24 00:40:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 00:40:56] [INFO ] [Nat]Absence check using state equation in 1468 ms returned sat
[2026-05-24 00:40:57] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:40:58] [INFO ] [Nat]Added 400 Read/Feed constraints in 1358 ms returned unknown
[2026-05-24 00:40:58] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-24 00:40:58] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 00:41:01] [INFO ] [Real]Absence check using state equation in 2956 ms returned sat
[2026-05-24 00:41:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 00:41:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2026-05-24 00:41:01] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 00:41:04] [INFO ] [Nat]Absence check using state equation in 2810 ms returned sat
[2026-05-24 00:41:04] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:41:05] [INFO ] [Nat]Added 400 Read/Feed constraints in 1155 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 4, 0, 3] Max Struct:[1, +inf, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 4, 0, 3] Max Struct:[1, +inf, 1, +inf]
Support contains 4 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7312/7312 transitions.
Graph (complete) has 12297 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.52 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 434 transition count 7184
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 433 transition count 7056
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 433 transition count 7056
Applied a total of 131 rules in 836 ms. Remains 433 /438 variables (removed 5) and now considering 7056/7312 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 854 ms. Remains : 433/438 places, 7056/7312 transitions.
[2026-05-24 00:41:06] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
findPositiveTsemiflow completed in 22343 ms - Found solution {22=1, 39=1, 3010=1, 3011=1, 4686=2} and attempted to minimize in 1 ms success -> {22=1, 39=1, 3022=1, 3023=1, 4697=2}
FORMULA DoubleLock-PT-p1s3-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL COVER_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-02 +inf TECHNIQUES TOPOLOGICAL COVER_WALK
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15942933115943285103.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3671792682400127090.kers'
[2026-05-24 00:41:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15942933115943285103.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3671792682400127090.kers]
Normalized transition count is 4715 out of 7056 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 00:41:39] [INFO ] Computed 3 invariants in 28 ms
Computed 3 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-3671792682400127090.kers
Total runtime 34 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000003 steps (9343 resets) in 4886 ms. (204 steps per ms)
BEST_FIRST walk for 1000001 steps (1410 resets) in 1329 ms. (751 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2026-05-24 00:41:45] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17757613613242190250.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4848775898512403838.kers'
[2026-05-24 00:41:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17757613613242190250.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4848775898512403838.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 00:41:45] [INFO ] Computed 3 invariants in 28 ms
Computed 3 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-4848775898512403838.kers
Total runtime 32 ms.
[2026-05-24 00:41:46] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2026-05-24 00:41:47] [INFO ] [Real]Absence check using state equation in 1390 ms returned sat
[2026-05-24 00:41:47] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-24 00:41:50] [INFO ] [Real]Added 400 Read/Feed constraints in 2800 ms returned sat
[2026-05-24 00:41:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 00:41:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-24 00:41:52] [INFO ] [Nat]Absence check using state equation in 1460 ms returned sat
[2026-05-24 00:41:56] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:42:01] [INFO ] [Nat]Added 400 Read/Feed constraints in 9726 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, 7056/7056 transitions.
Applied a total of 0 rules in 370 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 371 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 419 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-24 00:42:02] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:42:02] [INFO ] Invariant cache hit.
[2026-05-24 00:42:06] [INFO ] Implicit Places using invariants in 3277 ms returned []
[2026-05-24 00:42:06] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:42:06] [INFO ] Invariant cache hit.
[2026-05-24 00:42:07] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-24 00:42:38] [INFO ] Performed 33/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 00:43:14] [INFO ] Performed 68/433 implicitness test of which 0 returned IMPLICIT in 66 seconds.
[2026-05-24 00:43:44] [INFO ] Performed 289/433 implicitness test of which 0 returned IMPLICIT in 96 seconds.
[2026-05-24 00:44:15] [INFO ] Performed 410/433 implicitness test of which 0 returned IMPLICIT in 127 seconds.
[2026-05-24 00:44:15] [INFO ] Timeout of Implicit test with SMT after 127 seconds.
[2026-05-24 00:44:15] [INFO ] Implicit Places using invariants and state equation in 129606 ms returned []
Implicit Place search using SMT with State Equation took 132887 ms to find 0 implicit places.
[2026-05-24 00:44:16] [INFO ] Redundant transitions in 1129 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-24 00:44:16] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:44:16] [INFO ] Invariant cache hit.
[2026-05-24 00:44:17] [INFO ] State equation strengthened by 400 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30264 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30265 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 75909ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 76000ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 210527 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-24 00:45:32] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
findPositiveTsemiflow completed in 23108 ms - Found solution {22=1, 39=1, 3010=1, 3011=1, 4686=2} and attempted to minimize in 1 ms success -> {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17618453808168819674.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11401463473917784231.kers'
[2026-05-24 00:46:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17618453808168819674.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11401463473917784231.kers]
Normalized transition count is 4715 out of 7056 initially.
Culled 0 columns in 5 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 00:46:07] [INFO ] Computed 3 invariants in 48 ms
Computed 3 P flows in 49 ms.
Exported basis to /tmp/petrispot-output-11401463473917784231.kers
Total runtime 62 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000001 steps (9334 resets) in 4842 ms. (206 steps per ms)
BEST_FIRST walk for 1000000 steps (1415 resets) in 1300 ms. (768 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2026-05-24 00:46:13] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8568636905313704729.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-876917944663566882.kers'
[2026-05-24 00:46:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8568636905313704729.kers, --Pflows, --basisKERS=/tmp/petrispot-output-876917944663566882.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 00:46:13] [INFO ] Computed 3 invariants in 41 ms
Computed 3 P flows in 42 ms.
Exported basis to /tmp/petrispot-output-876917944663566882.kers
Total runtime 48 ms.
[2026-05-24 00:46:13] [INFO ] [Real]Absence check using 3 positive place invariants in 13 ms returned sat
[2026-05-24 00:46:14] [INFO ] [Real]Absence check using state equation in 1426 ms returned sat
[2026-05-24 00:46:15] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-24 00:46:17] [INFO ] [Real]Added 400 Read/Feed constraints in 2582 ms returned sat
[2026-05-24 00:46:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 00:46:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2026-05-24 00:46:19] [INFO ] [Nat]Absence check using state equation in 1362 ms returned sat
[2026-05-24 00:46:23] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:46:28] [INFO ] [Nat]Added 400 Read/Feed constraints in 9223 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, 7056/7056 transitions.
Applied a total of 0 rules in 372 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 380 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 334 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-24 00:46:29] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:46:29] [INFO ] Invariant cache hit.
[2026-05-24 00:46:31] [INFO ] Implicit Places using invariants in 2379 ms returned []
[2026-05-24 00:46:31] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:46:31] [INFO ] Invariant cache hit.
[2026-05-24 00:46:33] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-24 00:47:03] [INFO ] Performed 33/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 00:47:39] [INFO ] Performed 68/433 implicitness test of which 0 returned IMPLICIT in 65 seconds.
[2026-05-24 00:48:09] [INFO ] Performed 365/433 implicitness test of which 0 returned IMPLICIT in 95 seconds.
[2026-05-24 00:48:39] [INFO ] Performed 412/433 implicitness test of which 0 returned IMPLICIT in 126 seconds.
[2026-05-24 00:48:39] [INFO ] Timeout of Implicit test with SMT after 126 seconds.
[2026-05-24 00:48:39] [INFO ] Implicit Places using invariants and state equation in 127928 ms returned []
Implicit Place search using SMT with State Equation took 130332 ms to find 0 implicit places.
[2026-05-24 00:48:40] [INFO ] Redundant transitions in 1130 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131812 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-24 00:48:40] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
findPositiveTsemiflow completed in 22293 ms - Found solution {22=1, 39=1, 3010=1, 3011=1, 4686=2} and attempted to minimize in 0 ms success -> {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40006 steps (378 resets) in 698 ms. (57 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (57 resets) in 189 ms. (210 steps per ms) remains 1/1 properties
[2026-05-24 00:49:15] [INFO ] Flatten gal took : 792 ms
[2026-05-24 00:49:15] [INFO ] Flatten gal took : 281 ms
[2026-05-24 00:49:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15526402558809351783.gal : 168 ms
[2026-05-24 00:49:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14094883818570166648.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15526402558809351783.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14094883818570166648.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality14094883818570166648.prop.
Interrupted probabilistic random walk after 138255 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :0 out of 1
Probabilistic random walk after 138255 steps, saw 107359 distinct states, run finished after 3008 ms. (steps per millisecond=45 ) properties seen :0
[2026-05-24 00:49:17] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:49:17] [INFO ] Invariant cache hit.
[2026-05-24 00:49:17] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 146/5091 variables, 2/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5091 variables, 129/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 57/5148 variables, 45/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
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 68068
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :68068 after 470547
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2888 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :470547 after 1.14271e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.14271e+06 after 1.63468e+06
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4945 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 146/5091 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 129/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.63468e+06 after 3.73394e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/5091 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 566 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3530 ms.
Refiners :[Positive P Invariants (semi-flows): 2/3 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 6464ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 272 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 278 ms. Remains : 433/433 places, 7056/7056 transitions.
RANDOM walk for 40008 steps (366 resets) in 551 ms. (72 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (58 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 134730 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :0 out of 1
Probabilistic random walk after 134730 steps, saw 104734 distinct states, run finished after 3001 ms. (steps per millisecond=44 ) properties seen :0
[2026-05-24 00:49:27] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:49:27] [INFO ] Invariant cache hit.
[2026-05-24 00:49:27] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.73394e+06 after 7.89955e+06
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 146/5091 variables, 2/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5091 variables, 129/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 57/5148 variables, 45/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 270/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3004 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4945 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 146/5091 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 129/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5091 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 57/5148 variables, 45/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 270/837 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.89955e+06 after 1.23673e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/5148 variables, 1/838 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/5148 variables, 0/838 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/5148 variables, 0/838 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 838 constraints, problems are : Problem set: 0 solved, 1 unsolved in 7772 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10818ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 591 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 258 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 259 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 243 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-24 00:49:39] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:49:39] [INFO ] Invariant cache hit.
[2026-05-24 00:49:42] [INFO ] Implicit Places using invariants in 2993 ms returned []
[2026-05-24 00:49:42] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:49:42] [INFO ] Invariant cache hit.
[2026-05-24 00:49:43] [INFO ] State equation strengthened by 400 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23673e+07 after 1.60954e+07
Detected timeout of ITS tools.
[2026-05-24 00:50:06] [INFO ] Flatten gal took : 165 ms
[2026-05-24 00:50:06] [INFO ] Applying decomposition
[2026-05-24 00:50:06] [INFO ] Flatten gal took : 188 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8852506277651282377.txt' '-o' '/tmp/graph8852506277651282377.bin' '-w' '/tmp/graph8852506277651282377.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8852506277651282377.bin' '-l' '-1' '-v' '-w' '/tmp/graph8852506277651282377.weights' '-q' '0' '-e' '0.001'
[2026-05-24 00:50:07] [INFO ] Decomposing Gal with order
[2026-05-24 00:50:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 00:50:08] [INFO ] Removed a total of 17303 redundant transitions.
[2026-05-24 00:50:08] [INFO ] Flatten gal took : 981 ms
[2026-05-24 00:50:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 914 labels/synchronizations in 548 ms.
[2026-05-24 00:50:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11081195871874247014.gal : 72 ms
[2026-05-24 00:50:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5340500564837962027.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11081195871874247014.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5340500564837962027.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality5340500564837962027.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 265
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :265 after 601
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :601 after 643
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :643 after 650
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :650 after 1798
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1798 after 9021
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :9021 after 10287
[2026-05-24 00:50:14] [INFO ] Performed 33/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 00:50:48] [INFO ] Performed 68/433 implicitness test of which 0 returned IMPLICIT in 64 seconds.
Detected timeout of ITS tools.
[2026-05-24 00:51:18] [INFO ] Performed 369/433 implicitness test of which 0 returned IMPLICIT in 94 seconds.
[2026-05-24 00:51:48] [INFO ] Performed 412/433 implicitness test of which 0 returned IMPLICIT in 125 seconds.
[2026-05-24 00:51:48] [INFO ] Timeout of Implicit test with SMT after 125 seconds.
[2026-05-24 00:51:48] [INFO ] Implicit Places using invariants and state equation in 126672 ms returned []
Implicit Place search using SMT with State Equation took 129670 ms to find 0 implicit places.
[2026-05-24 00:51:49] [INFO ] Redundant transitions in 1204 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131130 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting property specific reduction for DoubleLock-PT-p1s3-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12021928492934951288.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1315375184918495557.kers'
[2026-05-24 00:51:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12021928492934951288.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1315375184918495557.kers]
Normalized transition count is 4715 out of 7056 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 00:51:50] [INFO ] Computed 3 invariants in 28 ms
Computed 3 P flows in 29 ms.
Exported basis to /tmp/petrispot-output-1315375184918495557.kers
Total runtime 37 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10006 steps (94 resets) in 58 ms. (169 steps per ms)
BEST_FIRST walk for 10001 steps (13 resets) in 19 ms. (500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2026-05-24 00:51:50] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8774931339906805439.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17579243863707150217.kers'
[2026-05-24 00:51:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8774931339906805439.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17579243863707150217.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 00:51:50] [INFO ] Computed 3 invariants in 33 ms
Computed 3 P flows in 34 ms.
Exported basis to /tmp/petrispot-output-17579243863707150217.kers
Total runtime 38 ms.
[2026-05-24 00:51:50] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2026-05-24 00:51:52] [INFO ] [Real]Absence check using state equation in 1715 ms returned sat
[2026-05-24 00:51:52] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-24 00:51:52] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:51:53] [INFO ] [Real]Added 400 Read/Feed constraints in 1116 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, 7056/7056 transitions.
Applied a total of 0 rules in 368 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 376 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-24 00:51:54] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
findPositiveTsemiflow completed in 22487 ms - Found solution {22=1, 39=1, 3010=1, 3011=1, 4686=2} and attempted to minimize in 1 ms success -> {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-654256316955081651.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-113996904409960863.kers'
[2026-05-24 00:52:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-654256316955081651.kers, --Pflows, --basisKERS=/tmp/petrispot-output-113996904409960863.kers]
Normalized transition count is 4715 out of 7056 initially.
Culled 0 columns in 5 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 00:52:27] [INFO ] Computed 3 invariants in 65 ms
Computed 3 P flows in 66 ms.
Exported basis to /tmp/petrispot-output-113996904409960863.kers
Total runtime 72 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000008 steps (9342 resets) in 4507 ms. (221 steps per ms)
BEST_FIRST walk for 1000000 steps (1423 resets) in 1262 ms. (791 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2026-05-24 00:52:33] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16143480219147766982.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15384837925993627435.kers'
[2026-05-24 00:52:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16143480219147766982.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15384837925993627435.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 00:52:33] [INFO ] Computed 3 invariants in 29 ms
Computed 3 P flows in 30 ms.
Exported basis to /tmp/petrispot-output-15384837925993627435.kers
Total runtime 36 ms.
[2026-05-24 00:52:33] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2026-05-24 00:52:35] [INFO ] [Real]Absence check using state equation in 1514 ms returned sat
[2026-05-24 00:52:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 00:52:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2026-05-24 00:52:37] [INFO ] [Nat]Absence check using state equation in 1677 ms returned sat
[2026-05-24 00:52:37] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-24 00:52:41] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 00:52:46] [INFO ] [Nat]Added 400 Read/Feed constraints in 9111 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 359 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 359 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 214 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-24 00:52:46] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:52:46] [INFO ] Invariant cache hit.
[2026-05-24 00:52:49] [INFO ] Implicit Places using invariants in 2935 ms returned []
[2026-05-24 00:52:49] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:52:49] [INFO ] Invariant cache hit.
[2026-05-24 00:52:51] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-24 00:53:21] [INFO ] Performed 33/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 00:53:57] [INFO ] Performed 68/433 implicitness test of which 0 returned IMPLICIT in 66 seconds.
[2026-05-24 00:54:27] [INFO ] Performed 335/433 implicitness test of which 0 returned IMPLICIT in 96 seconds.
[2026-05-24 00:54:58] [INFO ] Performed 410/433 implicitness test of which 0 returned IMPLICIT in 126 seconds.
[2026-05-24 00:54:58] [INFO ] Timeout of Implicit test with SMT after 126 seconds.
[2026-05-24 00:54:58] [INFO ] Implicit Places using invariants and state equation in 128571 ms returned []
Implicit Place search using SMT with State Equation took 131510 ms to find 0 implicit places.
[2026-05-24 00:54:59] [INFO ] Redundant transitions in 781 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 132518 ms. Remains : 433/433 places, 7056/7056 transitions.
[2026-05-24 00:54:59] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
findPositiveTsemiflow completed in 24124 ms - Found solution {22=1, 39=1, 3010=1, 3011=1, 4686=2} and attempted to minimize in 1 ms success -> {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 40005 steps (367 resets) in 341 ms. (116 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (58 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
[2026-05-24 00:55:34] [INFO ] Flatten gal took : 273 ms
[2026-05-24 00:55:34] [INFO ] Flatten gal took : 285 ms
[2026-05-24 00:55:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2504242378501984473.gal : 80 ms
[2026-05-24 00:55:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13179455143785386322.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2504242378501984473.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13179455143785386322.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13179455143785386322.prop.
Interrupted probabilistic random walk after 138404 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :0 out of 1
Probabilistic random walk after 138404 steps, saw 107471 distinct states, run finished after 3001 ms. (steps per millisecond=46 ) properties seen :0
[2026-05-24 00:55:37] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:55:37] [INFO ] Invariant cache hit.
[2026-05-24 00:55:37] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 146/5091 variables, 2/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5091 variables, 129/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 57/5148 variables, 45/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
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 68068
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :68068 after 470547
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 270/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2440 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :470547 after 1.14271e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.14271e+06 after 1.63468e+06
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4945 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 146/5091 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 129/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5091 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 57/5148 variables, 45/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.63468e+06 after 3.73394e+06
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3821 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6302ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 233 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 233 ms. Remains : 433/433 places, 7056/7056 transitions.
RANDOM walk for 40002 steps (368 resets) in 275 ms. (144 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (57 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 146201 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :0 out of 1
Probabilistic random walk after 146201 steps, saw 113271 distinct states, run finished after 3001 ms. (steps per millisecond=48 ) properties seen :0
[2026-05-24 00:55:47] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:55:47] [INFO ] Invariant cache hit.
[2026-05-24 00:55:47] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.73394e+06 after 7.89955e+06
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 146/5091 variables, 2/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5091 variables, 129/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 57/5148 variables, 45/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 270/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2268 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 129/130 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4815/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4945 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 146/5091 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5091 variables, 129/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5091 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 57/5148 variables, 45/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.89955e+06 after 1.23673e+07
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10603 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12896ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 237 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 381 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 382 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 389 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-24 00:56:01] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:56:01] [INFO ] Invariant cache hit.
[2026-05-24 00:56:03] [INFO ] Implicit Places using invariants in 2870 ms returned []
[2026-05-24 00:56:03] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 00:56:03] [INFO ] Invariant cache hit.
[2026-05-24 00:56:05] [INFO ] State equation strengthened by 400 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23673e+07 after 1.60954e+07
Detected timeout of ITS tools.
[2026-05-24 00:56:25] [INFO ] Flatten gal took : 145 ms
[2026-05-24 00:56:25] [INFO ] Applying decomposition
[2026-05-24 00:56:25] [INFO ] Flatten gal took : 151 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph89454193140270608.txt' '-o' '/tmp/graph89454193140270608.bin' '-w' '/tmp/graph89454193140270608.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph89454193140270608.bin' '-l' '-1' '-v' '-w' '/tmp/graph89454193140270608.weights' '-q' '0' '-e' '0.001'
[2026-05-24 00:56:25] [INFO ] Decomposing Gal with order
[2026-05-24 00:56:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 00:56:26] [INFO ] Removed a total of 17024 redundant transitions.
[2026-05-24 00:56:26] [INFO ] Flatten gal took : 350 ms
[2026-05-24 00:56:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 947 labels/synchronizations in 204 ms.
[2026-05-24 00:56:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4057869760158825332.gal : 32 ms
[2026-05-24 00:56:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15098231550377729072.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4057869760158825332.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15098231550377729072.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality15098231550377729072.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 431
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :431 after 437
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :437 after 629
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :629 after 632
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :632 after 1160
[2026-05-24 00:56:36] [INFO ] Performed 40/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 00:57:09] [INFO ] Performed 68/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
Detected timeout of ITS tools.
[2026-05-24 00:57:39] [INFO ] Performed 377/433 implicitness test of which 0 returned IMPLICIT in 93 seconds.
[2026-05-24 00:58:10] [INFO ] Performed 413/433 implicitness test of which 0 returned IMPLICIT in 124 seconds.
[2026-05-24 00:58:10] [INFO ] Timeout of Implicit test with SMT after 124 seconds.
[2026-05-24 00:58:10] [INFO ] Implicit Places using invariants and state equation in 126377 ms returned []
Implicit Place search using SMT with State Equation took 129253 ms to find 0 implicit places.
[2026-05-24 00:58:10] [INFO ] Redundant transitions in 549 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130204 ms. Remains : 433/433 places, 7056/7056 transitions.
Ending property specific reduction for DoubleLock-PT-p1s3-UpperBounds-11 in 380949 ms.
[2026-05-24 00:58:11] [INFO ] Flatten gal took : 147 ms
[2026-05-24 00:58:11] [INFO ] Applying decomposition
[2026-05-24 00:58:11] [INFO ] Flatten gal took : 155 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2125443343523602018.txt' '-o' '/tmp/graph2125443343523602018.bin' '-w' '/tmp/graph2125443343523602018.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2125443343523602018.bin' '-l' '-1' '-v' '-w' '/tmp/graph2125443343523602018.weights' '-q' '0' '-e' '0.001'
[2026-05-24 00:58:11] [INFO ] Decomposing Gal with order
[2026-05-24 00:58:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 00:58:12] [INFO ] Removed a total of 17303 redundant transitions.
[2026-05-24 00:58:12] [INFO ] Flatten gal took : 311 ms
[2026-05-24 00:58:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 810 labels/synchronizations in 217 ms.
[2026-05-24 00:58:12] [INFO ] Time to serialize gal into /tmp/UpperBounds14159665757657929593.gal : 27 ms
[2026-05-24 00:58:12] [INFO ] Time to serialize properties into /tmp/UpperBounds4518213767356531416.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds14159665757657929593.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4518213767356531416.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds4518213767356531416.prop.
Detected timeout of ITS tools.
[2026-05-24 01:24:06] [INFO ] Flatten gal took : 345 ms
[2026-05-24 01:24:07] [INFO ] Time to serialize gal into /tmp/UpperBounds17882589588080877740.gal : 97 ms
[2026-05-24 01:24:07] [INFO ] Time to serialize properties into /tmp/UpperBounds3119041108966259876.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds17882589588080877740.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds3119041108966259876.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds3119041108966259876.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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleLock-PT-p1s3"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="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 2-5973"
echo " Executing tool itstools"
echo " Input is DoubleLock-PT-p1s3, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-smll-177955740300021"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s3.tgz
mv DoubleLock-PT-p1s3 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' 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 ;