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.r162-smll-177961107700197.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 JoinFreeModules-PT-0200, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700197
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.2K Mar 7 16:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 16:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 7 16:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 16:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 11:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 11:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 16:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 7 16:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Mar 7 16:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 7 16:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:05 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 613K 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 JoinFreeModules-PT-0200-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-0200-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779753382175

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0200
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 23:56:24] [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]
[2026-05-25 23:56:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 23:56:25] [INFO ] Load time of PNML (sax parser for PT used): 412 ms
[2026-05-25 23:56:25] [INFO ] Transformed 1001 places.
[2026-05-25 23:56:25] [INFO ] Transformed 1601 transitions.
[2026-05-25 23:56:25] [INFO ] Parsed PT model containing 1001 places and 1601 transitions and 4602 arcs in 654 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[200, 0, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 200, 1, 0, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[200, 0, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 200, 1, 0, 2] Max Struct:[+inf, +inf, +inf, +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-7100348697942110579.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4655923811677210903.kers'
[2026-05-25 23:56:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7100348697942110579.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4655923811677210903.kers]
Normalized transition count is 1600 out of 1601 initially.
Culled 0 columns in 2 ms.
// Phase 1: matrix 1600 rows 1000 cols 4000 entries
Finished phase 1 with 800 SingleSign rule and 0 generalized
[2026-05-25 23:56:25] [INFO ] Computed 200 invariants in 13 ms
Computed 200 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-4655923811677210903.kers
Total runtime 18 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[200, 0, 0, 1, 0, 2, 0, 1, 0, 0, 1, 0, 200, 1, 0, 2] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
RANDOM walk for 10022 steps (2 resets) in 324 ms. (30 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 2082 ms. (76 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200, 9, 100, 10, 9, 2, 100, 10, 9, 9, 201, 12, 200, 10, 9, 2] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
[2026-05-25 23:56:28] [INFO ] Invariant cache hit.
[2026-05-25 23:56:28] [INFO ] [Real]Absence check using 200 positive place invariants in 156 ms returned sat
[2026-05-25 23:56:30] [INFO ] [Real]Absence check using state equation in 1133 ms returned sat
[2026-05-25 23:56:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:30] [INFO ] [Nat]Absence check using 200 positive place invariants in 98 ms returned sat
[2026-05-25 23:56:31] [INFO ] [Nat]Absence check using state equation in 913 ms returned sat
[2026-05-25 23:56:31] [INFO ] State equation strengthened by 200 read => feed constraints.
[2026-05-25 23:56:32] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:56:32] [INFO ] [Nat]Added 200 Read/Feed constraints in 1033 ms returned unknown
[2026-05-25 23:56:32] [INFO ] [Real]Absence check using 200 positive place invariants in 101 ms returned sat
[2026-05-25 23:56:33] [INFO ] [Real]Absence check using state equation in 965 ms returned sat
[2026-05-25 23:56:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:34] [INFO ] [Nat]Absence check using 200 positive place invariants in 92 ms returned sat
[2026-05-25 23:56:35] [INFO ] [Nat]Absence check using state equation in 802 ms returned sat
[2026-05-25 23:56:35] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:56:36] [INFO ] [Nat]Added 200 Read/Feed constraints in 1024 ms returned unknown
[2026-05-25 23:56:36] [INFO ] [Real]Absence check using 200 positive place invariants in 104 ms returned sat
[2026-05-25 23:56:37] [INFO ] [Real]Absence check using state equation in 922 ms returned sat
[2026-05-25 23:56:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:37] [INFO ] [Nat]Absence check using 200 positive place invariants in 68 ms returned sat
[2026-05-25 23:56:38] [INFO ] [Nat]Absence check using state equation in 835 ms returned sat
[2026-05-25 23:56:39] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:56:39] [INFO ] [Nat]Added 200 Read/Feed constraints in 1022 ms returned unknown
[2026-05-25 23:56:39] [INFO ] [Real]Absence check using 200 positive place invariants in 66 ms returned sat
[2026-05-25 23:56:40] [INFO ] [Real]Absence check using state equation in 816 ms returned sat
[2026-05-25 23:56:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:41] [INFO ] [Nat]Absence check using 200 positive place invariants in 100 ms returned sat
[2026-05-25 23:56:42] [INFO ] [Nat]Absence check using state equation in 948 ms returned sat
[2026-05-25 23:56:42] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:56:43] [INFO ] [Nat]Added 200 Read/Feed constraints in 1026 ms returned unknown
[2026-05-25 23:56:43] [INFO ] [Real]Absence check using 200 positive place invariants in 102 ms returned sat
[2026-05-25 23:56:44] [INFO ] [Real]Absence check using state equation in 1007 ms returned sat
[2026-05-25 23:56:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:44] [INFO ] [Nat]Absence check using 200 positive place invariants in 105 ms returned sat
[2026-05-25 23:56:45] [INFO ] [Nat]Absence check using state equation in 968 ms returned sat
[2026-05-25 23:56:46] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:56:46] [INFO ] [Nat]Added 200 Read/Feed constraints in 1025 ms returned unknown
[2026-05-25 23:56:47] [INFO ] [Real]Absence check using 200 positive place invariants in 95 ms returned sat
[2026-05-25 23:56:48] [INFO ] [Real]Absence check using state equation in 803 ms returned sat
[2026-05-25 23:56:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:48] [INFO ] [Nat]Absence check using 200 positive place invariants in 67 ms returned sat
[2026-05-25 23:56:49] [INFO ] [Nat]Absence check using state equation in 841 ms returned sat
[2026-05-25 23:56:49] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:56:50] [INFO ] [Nat]Added 200 Read/Feed constraints in 1027 ms returned unknown
[2026-05-25 23:56:50] [INFO ] [Real]Absence check using 200 positive place invariants in 64 ms returned sat
[2026-05-25 23:56:51] [INFO ] [Real]Absence check using state equation in 788 ms returned sat
[2026-05-25 23:56:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:51] [INFO ] [Nat]Absence check using 200 positive place invariants in 98 ms returned sat
[2026-05-25 23:56:52] [INFO ] [Nat]Absence check using state equation in 953 ms returned sat
[2026-05-25 23:56:53] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:56:53] [INFO ] [Nat]Added 200 Read/Feed constraints in 1032 ms returned unknown
[2026-05-25 23:56:54] [INFO ] [Real]Absence check using 200 positive place invariants in 100 ms returned sat
[2026-05-25 23:56:55] [INFO ] [Real]Absence check using state equation in 897 ms returned sat
[2026-05-25 23:56:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:55] [INFO ] [Nat]Absence check using 200 positive place invariants in 66 ms returned sat
[2026-05-25 23:56:56] [INFO ] [Nat]Absence check using state equation in 836 ms returned sat
[2026-05-25 23:56:56] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:56:57] [INFO ] [Nat]Added 200 Read/Feed constraints in 1024 ms returned unknown
[2026-05-25 23:56:57] [INFO ] [Real]Absence check using 200 positive place invariants in 104 ms returned sat
[2026-05-25 23:56:58] [INFO ] [Real]Absence check using state equation in 896 ms returned sat
[2026-05-25 23:56:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:56:58] [INFO ] [Nat]Absence check using 200 positive place invariants in 62 ms returned sat
[2026-05-25 23:56:59] [INFO ] [Nat]Absence check using state equation in 871 ms returned sat
[2026-05-25 23:57:00] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:57:00] [INFO ] [Nat]Added 200 Read/Feed constraints in 1040 ms returned unknown
[2026-05-25 23:57:00] [INFO ] [Real]Absence check using 200 positive place invariants in 64 ms returned sat
[2026-05-25 23:57:01] [INFO ] [Real]Absence check using state equation in 801 ms returned sat
[2026-05-25 23:57:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:57:01] [INFO ] [Nat]Absence check using 200 positive place invariants in 79 ms returned sat
[2026-05-25 23:57:02] [INFO ] [Nat]Absence check using state equation in 967 ms returned sat
[2026-05-25 23:57:03] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:57:03] [INFO ] [Nat]Added 200 Read/Feed constraints in 1026 ms returned unknown
[2026-05-25 23:57:04] [INFO ] [Real]Absence check using 200 positive place invariants in 67 ms returned sat
[2026-05-25 23:57:05] [INFO ] [Real]Absence check using state equation in 828 ms returned sat
[2026-05-25 23:57:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:57:05] [INFO ] [Nat]Absence check using 200 positive place invariants in 66 ms returned sat
[2026-05-25 23:57:06] [INFO ] [Nat]Absence check using state equation in 828 ms returned sat
[2026-05-25 23:57:06] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:57:07] [INFO ] [Nat]Added 200 Read/Feed constraints in 1024 ms returned unknown
[2026-05-25 23:57:07] [INFO ] [Real]Absence check using 200 positive place invariants in 65 ms returned sat
[2026-05-25 23:57:08] [INFO ] [Real]Absence check using state equation in 959 ms returned sat
[2026-05-25 23:57:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:57:08] [INFO ] [Nat]Absence check using 200 positive place invariants in 98 ms returned sat
[2026-05-25 23:57:10] [INFO ] [Nat]Absence check using state equation in 1232 ms returned sat
[2026-05-25 23:57:10] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:57:11] [INFO ] [Nat]Added 200 Read/Feed constraints in 1023 ms returned unknown
[2026-05-25 23:57:11] [INFO ] [Real]Absence check using 200 positive place invariants in 67 ms returned sat
[2026-05-25 23:57:12] [INFO ] [Real]Absence check using state equation in 813 ms returned sat
[2026-05-25 23:57:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:57:12] [INFO ] [Nat]Absence check using 200 positive place invariants in 72 ms returned sat
[2026-05-25 23:57:13] [INFO ] [Nat]Absence check using state equation in 1465 ms returned sat
[2026-05-25 23:57:14] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:57:14] [INFO ] [Nat]Added 200 Read/Feed constraints in 801 ms returned sat
[2026-05-25 23:57:14] [INFO ] Computed and/alt/rep : 1200/3000/1200 causal constraints (skipped 0 transitions) in 142 ms.
Maximisation of solution failed !
Minimization took 3 ms.
[2026-05-25 23:57:17] [INFO ] [Real]Absence check using 200 positive place invariants in 69 ms returned sat
[2026-05-25 23:57:18] [INFO ] [Real]Absence check using state equation in 666 ms returned sat
[2026-05-25 23:57:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:57:18] [INFO ] [Nat]Absence check using 200 positive place invariants in 71 ms returned sat
[2026-05-25 23:57:19] [INFO ] [Nat]Absence check using state equation in 641 ms returned sat
[2026-05-25 23:57:19] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:57:20] [INFO ] [Nat]Added 200 Read/Feed constraints in 1026 ms returned unknown
[2026-05-25 23:57:20] [INFO ] [Real]Absence check using 200 positive place invariants in 79 ms returned sat
[2026-05-25 23:57:21] [INFO ] [Real]Absence check using state equation in 791 ms returned sat
[2026-05-25 23:57:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:57:21] [INFO ] [Nat]Absence check using 200 positive place invariants in 95 ms returned sat
[2026-05-25 23:57:22] [INFO ] [Nat]Absence check using state equation in 957 ms returned sat
[2026-05-25 23:57:23] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:57:23] [INFO ] [Nat]Added 200 Read/Feed constraints in 1031 ms returned unknown
[2026-05-25 23:57:23] [INFO ] [Real]Absence check using 200 positive place invariants in 65 ms returned sat
[2026-05-25 23:57:24] [INFO ] [Real]Absence check using state equation in 816 ms returned sat
[2026-05-25 23:57:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:57:24] [INFO ] [Nat]Absence check using 200 positive place invariants in 73 ms returned sat
[2026-05-25 23:57:25] [INFO ] [Nat]Absence check using state equation in 862 ms returned sat
[2026-05-25 23:57:26] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 23:57:26] [INFO ] [Nat]Added 200 Read/Feed constraints in 1029 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[200, 9, 100, 10, 9, 2, 100, 10, 9, 9, 201, 12, 200, 10, 9, 2] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200, 9, 100, 10, 9, 2, 100, 10, 9, 9, 201, 12, 200, 10, 9, 2] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Support contains 16 out of 1000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Graph (complete) has 2400 edges and 1000 vertex of which 80 are kept as prefixes of interest. Removing 920 places using SCC suffix rule.5 ms
Discarding 920 places :
Also discarding 1472 output transitions
Drop transitions (Output transitions of discarded places.) removed 1472 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 80 transition count 128
Applied a total of 2 rules in 57 ms. Remains 80 /1000 variables (removed 920) and now considering 128/1601 (removed 1473) transitions.
Running 96 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3872180571615419107.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9164021218124325683.kers'
[2026-05-25 23:57:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3872180571615419107.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9164021218124325683.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 128 rows 80 cols 320 entries
Finished phase 1 with 64 SingleSign rule and 0 generalized
[2026-05-25 23:57:26] [INFO ] Computed 16 invariants in 0 ms
Computed 16 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9164021218124325683.kers
Total runtime 1 ms.
[2026-05-25 23:57:26] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 112 constraints, problems are : Problem set: 0 solved, 96 unsolved in 5925 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 96 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 96/208 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 8 (OVERLAPS) 0/208 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 210 constraints, problems are : Problem set: 0 solved, 96 unsolved in 13093 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19084ms problems are : Problem set: 0 solved, 96 unsolved
Search for dead transitions found 0 dead transitions in 19097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19194 ms. Remains : 80/1000 places, 128/1601 transitions.
[2026-05-25 23:57:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[200, 9, 100, 10, 9, 2, 100, 10, 9, 9, 201, 12, 200, 10, 9, 2] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
RANDOM walk for 1000022 steps (2 resets) in 1545 ms. (646 steps per ms)
BEST_FIRST walk for 16000015 steps (32 resets) in 24105 ms. (663 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200, 198, 202, 201, 198, 197, 199, 201, 198, 200, 201, 202, 200, 201, 200, 196] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
[2026-05-25 23:58:11] [INFO ] Invariant cache hit.
[2026-05-25 23:58:11] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:58:11] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-25 23:58:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:11] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:58:11] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-25 23:58:11] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-25 23:58:12] [INFO ] [Nat]Added 16 Read/Feed constraints in 337 ms returned sat
[2026-05-25 23:58:12] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 16 ms.
[2026-05-25 23:58:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 123 ms
[2026-05-25 23:58:12] [INFO ] Added : 67 causal constraints over 14 iterations in 713 ms. Result :sat
Minimization took 71 ms.
[2026-05-25 23:58:13] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:58:13] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-25 23:58:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:13] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:13] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 23:58:13] [INFO ] [Nat]Added 16 Read/Feed constraints in 56 ms returned sat
[2026-05-25 23:58:13] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:58:13] [INFO ] Added : 77 causal constraints over 16 iterations in 297 ms. Result :sat
Minimization took 88 ms.
[2026-05-25 23:58:13] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:58:13] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-25 23:58:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:13] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:13] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 23:58:14] [INFO ] [Nat]Added 16 Read/Feed constraints in 235 ms returned sat
[2026-05-25 23:58:14] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 23:58:14] [INFO ] Added : 64 causal constraints over 13 iterations in 290 ms. Result :sat
Minimization took 55 ms.
[2026-05-25 23:58:14] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:14] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-25 23:58:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:14] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:14] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-25 23:58:14] [INFO ] [Nat]Added 16 Read/Feed constraints in 102 ms returned sat
[2026-05-25 23:58:14] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 16 ms.
[2026-05-25 23:58:15] [INFO ] Added : 67 causal constraints over 14 iterations in 262 ms. Result :sat
Minimization took 75 ms.
[2026-05-25 23:58:15] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:15] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2026-05-25 23:58:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:15] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:15] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 23:58:15] [INFO ] [Nat]Added 16 Read/Feed constraints in 243 ms returned sat
[2026-05-25 23:58:15] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 16 ms.
[2026-05-25 23:58:16] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 116 ms
[2026-05-25 23:58:16] [INFO ] Added : 68 causal constraints over 15 iterations in 829 ms. Result :sat
Minimization took 103 ms.
[2026-05-25 23:58:16] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:16] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 23:58:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:16] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 23:58:16] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-25 23:58:16] [INFO ] [Nat]Added 16 Read/Feed constraints in 6 ms returned sat
[2026-05-25 23:58:17] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 23:58:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2026-05-25 23:58:17] [INFO ] Added : 75 causal constraints over 16 iterations in 358 ms. Result :sat
Minimization took 95 ms.
[2026-05-25 23:58:17] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:58:17] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2026-05-25 23:58:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:17] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:17] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-25 23:58:17] [INFO ] [Nat]Added 16 Read/Feed constraints in 7 ms returned sat
[2026-05-25 23:58:17] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:58:18] [INFO ] Added : 64 causal constraints over 14 iterations in 449 ms. Result :sat
Minimization took 122 ms.
[2026-05-25 23:58:18] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:58:18] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-25 23:58:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:18] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:58:18] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2026-05-25 23:58:18] [INFO ] [Nat]Added 16 Read/Feed constraints in 56 ms returned sat
[2026-05-25 23:58:18] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 23:58:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2026-05-25 23:58:19] [INFO ] Added : 77 causal constraints over 17 iterations in 615 ms. Result :sat
Minimization took 80 ms.
[2026-05-25 23:58:19] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:58:19] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2026-05-25 23:58:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:19] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:19] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-25 23:58:20] [INFO ] [Nat]Added 16 Read/Feed constraints in 548 ms returned sat
[2026-05-25 23:58:20] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-25 23:58:20] [INFO ] Added : 78 causal constraints over 16 iterations in 352 ms. Result :sat
Minimization took 118 ms.
[2026-05-25 23:58:20] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:20] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-25 23:58:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:20] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:58:20] [INFO ] [Nat]Absence check using state equation in 167 ms returned sat
[2026-05-25 23:58:21] [INFO ] [Nat]Added 16 Read/Feed constraints in 317 ms returned sat
[2026-05-25 23:58:21] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 16 ms.
[2026-05-25 23:58:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2026-05-25 23:58:21] [INFO ] Added : 73 causal constraints over 15 iterations in 549 ms. Result :sat
Minimization took 91 ms.
[2026-05-25 23:58:22] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:22] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-25 23:58:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:22] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:58:22] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 23:58:22] [INFO ] [Nat]Added 16 Read/Feed constraints in 7 ms returned sat
[2026-05-25 23:58:22] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:58:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 71 ms
[2026-05-25 23:58:22] [INFO ] Added : 66 causal constraints over 15 iterations in 532 ms. Result :sat
Minimization took 35 ms.
[2026-05-25 23:58:22] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:58:22] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-25 23:58:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:22] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:58:23] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 23:58:23] [INFO ] [Nat]Added 16 Read/Feed constraints in 369 ms returned sat
[2026-05-25 23:58:23] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-25 23:58:23] [INFO ] Added : 56 causal constraints over 13 iterations in 236 ms. Result :sat
Minimization took 51 ms.
[2026-05-25 23:58:23] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:23] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2026-05-25 23:58:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:23] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:23] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2026-05-25 23:58:24] [INFO ] [Nat]Added 16 Read/Feed constraints in 366 ms returned sat
[2026-05-25 23:58:24] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 23:58:24] [INFO ] Added : 53 causal constraints over 13 iterations in 277 ms. Result :sat
Minimization took 61 ms.
[2026-05-25 23:58:24] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:24] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-25 23:58:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:24] [INFO ] [Nat]Absence check using 16 positive place invariants in 10 ms returned sat
[2026-05-25 23:58:24] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-25 23:58:24] [INFO ] [Nat]Added 16 Read/Feed constraints in 6 ms returned sat
[2026-05-25 23:58:24] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 23:58:25] [INFO ] Added : 78 causal constraints over 16 iterations in 368 ms. Result :sat
Minimization took 82 ms.
[2026-05-25 23:58:25] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 23:58:25] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-25 23:58:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:25] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:58:25] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 23:58:25] [INFO ] [Nat]Added 16 Read/Feed constraints in 7 ms returned sat
[2026-05-25 23:58:25] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:58:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2026-05-25 23:58:25] [INFO ] Added : 64 causal constraints over 13 iterations in 301 ms. Result :sat
Minimization took 61 ms.
[2026-05-25 23:58:26] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 23:58:26] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 23:58:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:58:26] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:58:26] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 23:58:26] [INFO ] [Nat]Added 16 Read/Feed constraints in 146 ms returned sat
[2026-05-25 23:58:26] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 23:58:26] [INFO ] Added : 65 causal constraints over 14 iterations in 173 ms. Result :sat
Minimization took 58 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[200, 198, 202, 201, 198, 197, 199, 201, 198, 200, 201, 202, 200, 201, 200, 196] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200, 201, 202, 201, 201, 202, 201, 201, 201, 202, 201, 202, 200, 201, 201, 202] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Support contains 16 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Applied a total of 0 rules in 6 ms. Remains 80 /80 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 80/80 places, 128/128 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Applied a total of 0 rules in 6 ms. Remains 80 /80 variables (removed 0) and now considering 128/128 (removed 0) transitions.
[2026-05-25 23:58:45] [INFO ] Invariant cache hit.
[2026-05-25 23:58:45] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-25 23:58:45] [INFO ] Invariant cache hit.
[2026-05-25 23:58:45] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-25 23:58:45] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
[2026-05-25 23:58:45] [INFO ] Redundant transitions in 3 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 80/80 places, 128/128 transitions.
[2026-05-25 23:58:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[200, 201, 202, 201, 201, 202, 201, 201, 201, 202, 201, 202, 200, 201, 201, 202] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
RANDOM walk for 1000012 steps (2 resets) in 1273 ms. (784 steps per ms)
BEST_FIRST walk for 16000016 steps (32 resets) in 21070 ms. (759 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200, 201, 202, 201, 201, 202, 201, 201, 201, 202, 201, 202, 200, 201, 201, 202] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
[2026-05-25 23:59:08] [INFO ] Invariant cache hit.
[2026-05-25 23:59:08] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:59:08] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-25 23:59:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:08] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:59:08] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-25 23:59:08] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-25 23:59:08] [INFO ] [Nat]Added 16 Read/Feed constraints in 242 ms returned sat
[2026-05-25 23:59:08] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 23:59:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 68 ms
[2026-05-25 23:59:09] [INFO ] Added : 67 causal constraints over 14 iterations in 424 ms. Result :sat
Minimization took 47 ms.
[2026-05-25 23:59:09] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 23:59:09] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 23:59:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:09] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 23:59:09] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2026-05-25 23:59:09] [INFO ] [Nat]Added 16 Read/Feed constraints in 31 ms returned sat
[2026-05-25 23:59:09] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 23:59:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 69 ms
[2026-05-25 23:59:09] [INFO ] Added : 77 causal constraints over 17 iterations in 414 ms. Result :sat
Minimization took 65 ms.
[2026-05-25 23:59:09] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 23:59:09] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 23:59:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:09] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:59:09] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-25 23:59:10] [INFO ] [Nat]Added 16 Read/Feed constraints in 137 ms returned sat
[2026-05-25 23:59:10] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 23:59:10] [INFO ] Added : 64 causal constraints over 13 iterations in 174 ms. Result :sat
Minimization took 32 ms.
[2026-05-25 23:59:10] [INFO ] [Real]Absence check using 16 positive place invariants in 4 ms returned sat
[2026-05-25 23:59:10] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-25 23:59:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:10] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:59:10] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-25 23:59:10] [INFO ] [Nat]Added 16 Read/Feed constraints in 59 ms returned sat
[2026-05-25 23:59:10] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 23:59:10] [INFO ] Added : 67 causal constraints over 14 iterations in 157 ms. Result :sat
Minimization took 46 ms.
[2026-05-25 23:59:10] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:59:10] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-25 23:59:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:10] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:59:10] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-25 23:59:10] [INFO ] [Nat]Added 16 Read/Feed constraints in 4 ms returned sat
[2026-05-25 23:59:10] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 23:59:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2026-05-25 23:59:11] [INFO ] Added : 74 causal constraints over 15 iterations in 865 ms. Result :sat
Minimization took 73 ms.
[2026-05-25 23:59:11] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:12] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-25 23:59:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:12] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:12] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 23:59:12] [INFO ] [Nat]Added 16 Read/Feed constraints in 58 ms returned sat
[2026-05-25 23:59:12] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 23:59:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2026-05-25 23:59:12] [INFO ] Added : 66 causal constraints over 14 iterations in 321 ms. Result :sat
Minimization took 55 ms.
[2026-05-25 23:59:12] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:12] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-25 23:59:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:12] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:59:12] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-25 23:59:13] [INFO ] [Nat]Added 16 Read/Feed constraints in 191 ms returned sat
[2026-05-25 23:59:13] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 23:59:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 126 ms
[2026-05-25 23:59:13] [INFO ] Added : 74 causal constraints over 15 iterations in 506 ms. Result :sat
Minimization took 78 ms.
[2026-05-25 23:59:13] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:13] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-25 23:59:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:13] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:13] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 23:59:13] [INFO ] [Nat]Added 16 Read/Feed constraints in 55 ms returned sat
[2026-05-25 23:59:13] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:59:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2026-05-25 23:59:14] [INFO ] Added : 77 causal constraints over 17 iterations in 617 ms. Result :sat
Minimization took 79 ms.
[2026-05-25 23:59:14] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:14] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-25 23:59:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:14] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:14] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 23:59:15] [INFO ] [Nat]Added 16 Read/Feed constraints in 369 ms returned sat
[2026-05-25 23:59:15] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-25 23:59:15] [INFO ] Added : 67 causal constraints over 14 iterations in 320 ms. Result :sat
Minimization took 110 ms.
[2026-05-25 23:59:15] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:15] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 23:59:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:15] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:16] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-25 23:59:16] [INFO ] [Nat]Added 16 Read/Feed constraints in 453 ms returned sat
[2026-05-25 23:59:16] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 23:59:16] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 3 trap constraints in 105 ms
Minimization took 24 ms.
[2026-05-25 23:59:16] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 23:59:16] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-25 23:59:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:16] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:59:16] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-25 23:59:16] [INFO ] [Nat]Added 16 Read/Feed constraints in 4 ms returned sat
[2026-05-25 23:59:16] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 23:59:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 80 ms
[2026-05-25 23:59:17] [INFO ] Added : 66 causal constraints over 15 iterations in 510 ms. Result :sat
Minimization took 44 ms.
[2026-05-25 23:59:17] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:17] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-25 23:59:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:17] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 23:59:17] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2026-05-25 23:59:18] [INFO ] [Nat]Added 16 Read/Feed constraints in 331 ms returned sat
[2026-05-25 23:59:18] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:59:18] [INFO ] Added : 56 causal constraints over 13 iterations in 236 ms. Result :sat
Minimization took 49 ms.
[2026-05-25 23:59:18] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:18] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2026-05-25 23:59:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:18] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:18] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 23:59:18] [INFO ] [Nat]Added 16 Read/Feed constraints in 367 ms returned sat
[2026-05-25 23:59:18] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 23:59:19] [INFO ] Added : 53 causal constraints over 13 iterations in 281 ms. Result :sat
Minimization took 67 ms.
[2026-05-25 23:59:19] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:59:19] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2026-05-25 23:59:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:19] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:19] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2026-05-25 23:59:19] [INFO ] [Nat]Added 16 Read/Feed constraints in 6 ms returned sat
[2026-05-25 23:59:19] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 20 ms.
[2026-05-25 23:59:19] [INFO ] Added : 78 causal constraints over 16 iterations in 370 ms. Result :sat
Minimization took 78 ms.
[2026-05-25 23:59:20] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:59:20] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2026-05-25 23:59:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:20] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:20] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-25 23:59:20] [INFO ] [Nat]Added 16 Read/Feed constraints in 55 ms returned sat
[2026-05-25 23:59:20] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:59:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 116 ms
[2026-05-25 23:59:20] [INFO ] Added : 82 causal constraints over 17 iterations in 434 ms. Result :sat
Minimization took 100 ms.
[2026-05-25 23:59:20] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 23:59:21] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-25 23:59:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:21] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 23:59:21] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-25 23:59:21] [INFO ] [Nat]Added 16 Read/Feed constraints in 145 ms returned sat
[2026-05-25 23:59:21] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 35 ms
Current structural bounds on expressions (after SMT) : Max Seen:[200, 201, 202, 201, 201, 202, 201, 201, 201, 202, 201, 202, 200, 201, 201, 202] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 202, 203, 203, 203, 203, 203, 202]
FORMULA JoinFreeModules-PT-0200-UpperBounds-15 202 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0200-UpperBounds-09 202 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200, 201, 202, 201, 201, 202, 201, 201, 201, 201, 202, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Support contains 14 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Graph (complete) has 192 edges and 80 vertex of which 70 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 6 ms. Remains 70 /80 variables (removed 10) and now considering 112/128 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 70/80 places, 112/128 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-995593569548485502.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3875441983359987811.kers'
[2026-05-25 23:59:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-995593569548485502.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3875441983359987811.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 112 rows 70 cols 280 entries
Finished phase 1 with 56 SingleSign rule and 0 generalized
[2026-05-25 23:59:37] [INFO ] Computed 14 invariants in 0 ms
Computed 14 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3875441983359987811.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[200, 201, 202, 201, 201, 202, 201, 201, 201, 201, 202, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
RANDOM walk for 1000037 steps (2 resets) in 1333 ms. (749 steps per ms)
BEST_FIRST walk for 14000013 steps (28 resets) in 16721 ms. (837 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200, 201, 202, 201, 201, 202, 201, 201, 201, 201, 202, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
[2026-05-25 23:59:55] [INFO ] Invariant cache hit.
[2026-05-25 23:59:55] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 23:59:55] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 23:59:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:55] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-25 23:59:55] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-25 23:59:55] [INFO ] State equation strengthened by 14 read => feed constraints.
[2026-05-25 23:59:55] [INFO ] [Nat]Added 14 Read/Feed constraints in 126 ms returned sat
[2026-05-25 23:59:55] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 23:59:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2026-05-25 23:59:56] [INFO ] Added : 53 causal constraints over 12 iterations in 643 ms. Result :sat
Minimization took 56 ms.
[2026-05-25 23:59:56] [INFO ] [Real]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-25 23:59:56] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 23:59:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:56] [INFO ] [Nat]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-25 23:59:56] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-25 23:59:57] [INFO ] [Nat]Added 14 Read/Feed constraints in 306 ms returned sat
[2026-05-25 23:59:57] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 23:59:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 99 ms
[2026-05-25 23:59:57] [INFO ] Added : 62 causal constraints over 13 iterations in 486 ms. Result :sat
Minimization took 66 ms.
[2026-05-25 23:59:57] [INFO ] [Real]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-25 23:59:57] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-25 23:59:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:57] [INFO ] [Nat]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-25 23:59:57] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-25 23:59:58] [INFO ] [Nat]Added 14 Read/Feed constraints in 371 ms returned sat
[2026-05-25 23:59:58] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:59:58] [INFO ] Added : 41 causal constraints over 9 iterations in 152 ms. Result :sat
Minimization took 43 ms.
[2026-05-25 23:59:58] [INFO ] [Real]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:58] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-25 23:59:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:58] [INFO ] [Nat]Absence check using 14 positive place invariants in 9 ms returned sat
[2026-05-25 23:59:58] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-25 23:59:59] [INFO ] [Nat]Added 14 Read/Feed constraints in 323 ms returned sat
[2026-05-25 23:59:59] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 23:59:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 96 ms
[2026-05-25 23:59:59] [INFO ] Added : 36 causal constraints over 8 iterations in 300 ms. Result :sat
Minimization took 55 ms.
[2026-05-25 23:59:59] [INFO ] [Real]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-25 23:59:59] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-25 23:59:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 23:59:59] [INFO ] [Nat]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-25 23:59:59] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2026-05-25 23:59:59] [INFO ] [Nat]Added 14 Read/Feed constraints in 213 ms returned sat
[2026-05-25 23:59:59] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-26 00:00:00] [INFO ] Added : 45 causal constraints over 10 iterations in 168 ms. Result :sat
Minimization took 71 ms.
[2026-05-26 00:00:00] [INFO ] [Real]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-26 00:00:00] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-26 00:00:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:00] [INFO ] [Nat]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:00] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2026-05-26 00:00:00] [INFO ] [Nat]Added 14 Read/Feed constraints in 5 ms returned sat
[2026-05-26 00:00:00] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 39 ms
[2026-05-26 00:00:00] [INFO ] [Real]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:00] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-26 00:00:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:00] [INFO ] [Nat]Absence check using 14 positive place invariants in 6 ms returned sat
[2026-05-26 00:00:00] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2026-05-26 00:00:00] [INFO ] [Nat]Added 14 Read/Feed constraints in 5 ms returned sat
[2026-05-26 00:00:00] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 00:00:01] [INFO ] Added : 50 causal constraints over 12 iterations in 685 ms. Result :sat
Minimization took 61 ms.
[2026-05-26 00:00:01] [INFO ] [Real]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-26 00:00:01] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-26 00:00:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:01] [INFO ] [Nat]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:01] [INFO ] [Nat]Absence check using state equation in 271 ms returned sat
[2026-05-26 00:00:01] [INFO ] [Nat]Added 14 Read/Feed constraints in 4 ms returned sat
[2026-05-26 00:00:01] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-26 00:00:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 99 ms
[2026-05-26 00:00:02] [INFO ] Added : 47 causal constraints over 10 iterations in 540 ms. Result :sat
Minimization took 59 ms.
[2026-05-26 00:00:02] [INFO ] [Real]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:02] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-26 00:00:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:02] [INFO ] [Nat]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-26 00:00:02] [INFO ] [Nat]Absence check using state equation in 274 ms returned sat
[2026-05-26 00:00:03] [INFO ] [Nat]Added 14 Read/Feed constraints in 513 ms returned sat
[2026-05-26 00:00:03] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 00:00:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 34 ms
[2026-05-26 00:00:03] [INFO ] Added : 28 causal constraints over 6 iterations in 168 ms. Result :sat
Minimization took 37 ms.
[2026-05-26 00:00:03] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2026-05-26 00:00:03] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-26 00:00:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:03] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2026-05-26 00:00:03] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-26 00:00:03] [INFO ] [Nat]Added 14 Read/Feed constraints in 132 ms returned sat
[2026-05-26 00:00:03] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 00:00:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
[2026-05-26 00:00:04] [INFO ] Added : 39 causal constraints over 9 iterations in 360 ms. Result :sat
Minimization took 33 ms.
[2026-05-26 00:00:04] [INFO ] [Real]Absence check using 14 positive place invariants in 6 ms returned sat
[2026-05-26 00:00:04] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-26 00:00:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:04] [INFO ] [Nat]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:04] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-26 00:00:04] [INFO ] [Nat]Added 14 Read/Feed constraints in 395 ms returned sat
[2026-05-26 00:00:04] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 00:00:05] [INFO ] Added : 28 causal constraints over 7 iterations in 315 ms. Result :sat
Minimization took 35 ms.
[2026-05-26 00:00:05] [INFO ] [Real]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:05] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-26 00:00:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:05] [INFO ] [Nat]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:05] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-26 00:00:05] [INFO ] [Nat]Added 14 Read/Feed constraints in 267 ms returned sat
[2026-05-26 00:00:05] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-26 00:00:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 329 ms
[2026-05-26 00:00:06] [INFO ] Added : 42 causal constraints over 9 iterations in 956 ms. Result :sat
Minimization took 49 ms.
[2026-05-26 00:00:06] [INFO ] [Real]Absence check using 14 positive place invariants in 6 ms returned sat
[2026-05-26 00:00:06] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-26 00:00:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:07] [INFO ] [Nat]Absence check using 14 positive place invariants in 8 ms returned sat
[2026-05-26 00:00:07] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2026-05-26 00:00:07] [INFO ] [Nat]Added 14 Read/Feed constraints in 269 ms returned sat
[2026-05-26 00:00:07] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-26 00:00:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2026-05-26 00:00:07] [INFO ] Added : 54 causal constraints over 12 iterations in 492 ms. Result :sat
Minimization took 56 ms.
[2026-05-26 00:00:07] [INFO ] [Real]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:08] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2026-05-26 00:00:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:08] [INFO ] [Nat]Absence check using 14 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:08] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-26 00:00:08] [INFO ] [Nat]Added 14 Read/Feed constraints in 60 ms returned sat
[2026-05-26 00:00:08] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 00:00:09] [INFO ] Added : 50 causal constraints over 11 iterations in 905 ms. Result :sat
Minimization took 96 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[200, 201, 202, 201, 201, 202, 201, 201, 201, 201, 202, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 202, 203, 203, 203, 203, 203, 203, 203, 203]
FORMULA JoinFreeModules-PT-0200-UpperBounds-05 202 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200, 201, 202, 201, 201, 201, 201, 201, 201, 202, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Support contains 13 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 112/112 transitions.
Graph (complete) has 168 edges and 70 vertex of which 65 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 5 ms. Remains 65 /70 variables (removed 5) and now considering 104/112 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 65/70 places, 104/112 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15014901697685719431.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4310985578854108050.kers'
[2026-05-26 00:00:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15014901697685719431.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4310985578854108050.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 104 rows 65 cols 260 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-26 00:00:20] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4310985578854108050.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[200, 201, 202, 201, 201, 201, 201, 201, 201, 202, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
RANDOM walk for 1000014 steps (2 resets) in 1233 ms. (810 steps per ms)
FORMULA JoinFreeModules-PT-0200-UpperBounds-11 203 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 12000011 steps (24 resets) in 14641 ms. (819 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200, 201, 202, 201, 201, 201, 201, 201, 201, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
[2026-05-26 00:00:36] [INFO ] Invariant cache hit.
[2026-05-26 00:00:36] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2026-05-26 00:00:36] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-26 00:00:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:36] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-26 00:00:36] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2026-05-26 00:00:36] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-26 00:00:36] [INFO ] [Nat]Added 13 Read/Feed constraints in 223 ms returned sat
[2026-05-26 00:00:36] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 00:00:36] [INFO ] Added : 51 causal constraints over 12 iterations in 173 ms. Result :sat
Minimization took 63 ms.
[2026-05-26 00:00:36] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:36] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-26 00:00:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:36] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-26 00:00:37] [INFO ] [Nat]Absence check using state equation in 342 ms returned sat
[2026-05-26 00:00:37] [INFO ] [Nat]Added 13 Read/Feed constraints in 219 ms returned sat
[2026-05-26 00:00:37] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 00:00:37] [INFO ] Added : 43 causal constraints over 9 iterations in 297 ms. Result :sat
Minimization took 53 ms.
[2026-05-26 00:00:37] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:37] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-26 00:00:37] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-26 00:00:37] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2026-05-26 00:00:38] [INFO ] [Nat]Added 13 Read/Feed constraints in 323 ms returned sat
[2026-05-26 00:00:38] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-26 00:00:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 99 ms
[2026-05-26 00:00:38] [INFO ] Added : 47 causal constraints over 11 iterations in 474 ms. Result :sat
Minimization took 72 ms.
[2026-05-26 00:00:38] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-26 00:00:38] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-26 00:00:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:39] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2026-05-26 00:00:39] [INFO ] [Nat]Added 13 Read/Feed constraints in 276 ms returned sat
[2026-05-26 00:00:39] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 00:00:39] [INFO ] Added : 51 causal constraints over 12 iterations in 240 ms. Result :sat
Minimization took 60 ms.
[2026-05-26 00:00:39] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-26 00:00:39] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-26 00:00:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:39] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2026-05-26 00:00:39] [INFO ] [Nat]Added 13 Read/Feed constraints in 5 ms returned sat
[2026-05-26 00:00:39] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-26 00:00:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 112 ms
[2026-05-26 00:00:40] [INFO ] Added : 58 causal constraints over 12 iterations in 583 ms. Result :sat
Minimization took 85 ms.
[2026-05-26 00:00:40] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-26 00:00:40] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-26 00:00:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:40] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:40] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2026-05-26 00:00:40] [INFO ] [Nat]Added 13 Read/Feed constraints in 7 ms returned sat
[2026-05-26 00:00:40] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 00:00:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2026-05-26 00:00:41] [INFO ] Added : 73 causal constraints over 17 iterations in 334 ms. Result :sat
Minimization took 75 ms.
[2026-05-26 00:00:41] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:41] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-26 00:00:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:41] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2026-05-26 00:00:41] [INFO ] [Nat]Added 13 Read/Feed constraints in 115 ms returned sat
[2026-05-26 00:00:41] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 00:00:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 95 ms
[2026-05-26 00:00:41] [INFO ] Added : 64 causal constraints over 14 iterations in 426 ms. Result :sat
Minimization took 64 ms.
[2026-05-26 00:00:42] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:42] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-26 00:00:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-26 00:00:42] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2026-05-26 00:00:42] [INFO ] [Nat]Added 13 Read/Feed constraints in 273 ms returned sat
[2026-05-26 00:00:42] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 00:00:42] [INFO ] Added : 58 causal constraints over 12 iterations in 195 ms. Result :sat
Minimization took 86 ms.
[2026-05-26 00:00:42] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:42] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-26 00:00:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:43] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-26 00:00:43] [INFO ] [Nat]Added 13 Read/Feed constraints in 118 ms returned sat
[2026-05-26 00:00:43] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-26 00:00:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2026-05-26 00:00:43] [INFO ] Added : 66 causal constraints over 16 iterations in 358 ms. Result :sat
Minimization took 49 ms.
[2026-05-26 00:00:43] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:43] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-26 00:00:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2026-05-26 00:00:43] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-26 00:00:44] [INFO ] [Nat]Added 13 Read/Feed constraints in 279 ms returned sat
[2026-05-26 00:00:44] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-26 00:00:44] [INFO ] Added : 61 causal constraints over 14 iterations in 395 ms. Result :sat
Minimization took 66 ms.
[2026-05-26 00:00:44] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:44] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-26 00:00:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:44] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2026-05-26 00:00:45] [INFO ] [Nat]Added 13 Read/Feed constraints in 273 ms returned sat
[2026-05-26 00:00:45] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 00:00:45] [INFO ] Added : 55 causal constraints over 11 iterations in 177 ms. Result :sat
Minimization took 61 ms.
[2026-05-26 00:00:45] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2026-05-26 00:00:45] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-26 00:00:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:00:45] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2026-05-26 00:00:45] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-26 00:00:45] [INFO ] [Nat]Added 13 Read/Feed constraints in 326 ms returned sat
[2026-05-26 00:00:45] [INFO ] Computed and/alt/rep : 78/195/78 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 00:00:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 101 ms
[2026-05-26 00:00:46] [INFO ] Added : 59 causal constraints over 12 iterations in 306 ms. Result :sat
Minimization took 65 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[200, 201, 202, 201, 201, 201, 201, 201, 201, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
FORMULA JoinFreeModules-PT-0200-UpperBounds-02 203 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200, 201, 201, 201, 201, 201, 201, 201, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Support contains 11 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 104/104 transitions.
Graph (complete) has 156 edges and 65 vertex of which 55 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.0 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 5 ms. Remains 55 /65 variables (removed 10) and now considering 88/104 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 55/65 places, 88/104 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5371225262866426928.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17458076586387597299.kers'
[2026-05-26 00:00:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5371225262866426928.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17458076586387597299.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 55 cols 220 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-26 00:00:55] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17458076586387597299.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[200, 201, 201, 201, 201, 201, 201, 201, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
RANDOM walk for 1000014 steps (2 resets) in 960 ms. (1040 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 10953 ms. (1004 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200, 201, 201, 201, 201, 201, 201, 201, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
[2026-05-26 00:01:07] [INFO ] Invariant cache hit.
[2026-05-26 00:01:07] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 00:01:07] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 00:01:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 00:01:07] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 00:01:07] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 00:01:07] [INFO ] [Nat]Added 11 Read/Feed constraints in 354 ms returned sat
[2026-05-26 00:01:07] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 00:01:08] [INFO ] Added : 36 causal constraints over 8 iterations in 154 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 00:01:08] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 00:01:08] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 00:01:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 00:01:08] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2026-05-26 00:01:08] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2026-05-26 00:01:08] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 00:01:08] [INFO ] Added : 50 causal constraints over 11 iterations in 98 ms. Result :sat
Minimization took 34 ms.
[2026-05-26 00:01:08] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 00:01:08] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-26 00:01:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:01:08] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
[2026-05-26 00:01:09] [INFO ] [Nat]Added 11 Read/Feed constraints in 540 ms returned sat
[2026-05-26 00:01:09] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 00:01:09] [INFO ] Added : 42 causal constraints over 10 iterations in 131 ms. Result :sat
Minimization took 31 ms.
[2026-05-26 00:01:09] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 00:01:09] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-26 00:01:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:09] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 00:01:09] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-26 00:01:10] [INFO ] [Nat]Added 11 Read/Feed constraints in 586 ms returned sat
[2026-05-26 00:01:10] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 00:01:10] [INFO ] Added : 48 causal constraints over 10 iterations in 167 ms. Result :sat
Minimization took 31 ms.
[2026-05-26 00:01:10] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 00:01:10] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-26 00:01:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 00:01:10] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-26 00:01:10] [INFO ] [Nat]Added 11 Read/Feed constraints in 4 ms returned sat
[2026-05-26 00:01:10] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 00:01:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2026-05-26 00:01:10] [INFO ] Added : 60 causal constraints over 13 iterations in 193 ms. Result :sat
Minimization took 60 ms.
[2026-05-26 00:01:10] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:01:10] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 00:01:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 00:01:10] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 00:01:10] [INFO ] [Nat]Added 11 Read/Feed constraints in 132 ms returned sat
[2026-05-26 00:01:10] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 00:01:11] [INFO ] Added : 38 causal constraints over 8 iterations in 123 ms. Result :sat
Minimization took 49 ms.
[2026-05-26 00:01:11] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 00:01:11] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 00:01:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:11] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:01:11] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
[2026-05-26 00:01:11] [INFO ] [Nat]Added 11 Read/Feed constraints in 243 ms returned sat
[2026-05-26 00:01:11] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 00:01:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 91 ms
[2026-05-26 00:01:11] [INFO ] Added : 32 causal constraints over 7 iterations in 207 ms. Result :sat
Minimization took 46 ms.
[2026-05-26 00:01:11] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:01:11] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-26 00:01:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:12] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:01:12] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 00:01:12] [INFO ] [Nat]Added 11 Read/Feed constraints in 69 ms returned sat
[2026-05-26 00:01:12] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 00:01:12] [INFO ] Added : 36 causal constraints over 8 iterations in 676 ms. Result :sat
Minimization took 36 ms.
[2026-05-26 00:01:12] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:01:12] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-26 00:01:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:13] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:01:13] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-26 00:01:13] [INFO ] [Nat]Added 11 Read/Feed constraints in 685 ms returned sat
[2026-05-26 00:01:13] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 00:01:13] [INFO ] Added : 36 causal constraints over 10 iterations in 212 ms. Result :sat
Minimization took 56 ms.
[2026-05-26 00:01:14] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-26 00:01:14] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-26 00:01:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 00:01:14] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 00:01:14] [INFO ] [Nat]Added 11 Read/Feed constraints in 195 ms returned sat
[2026-05-26 00:01:14] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 00:01:14] [INFO ] Added : 39 causal constraints over 8 iterations in 529 ms. Result :sat
Minimization took 45 ms.
[2026-05-26 00:01:15] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 00:01:15] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-26 00:01:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:01:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 00:01:15] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-26 00:01:15] [INFO ] [Nat]Added 11 Read/Feed constraints in 463 ms returned sat
[2026-05-26 00:01:15] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 00:01:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2026-05-26 00:01:16] [INFO ] Added : 43 causal constraints over 9 iterations in 393 ms. Result :sat
Minimization took 52 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[200, 201, 201, 201, 201, 201, 201, 201, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200, 201, 201, 201, 201, 201, 201, 201, 200, 201, 201] Max Struct:[203, 203, 203, 203, 203, 203, 203, 203, 203, 203, 203]
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 55/55 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2026-05-26 00:01:22] [INFO ] Invariant cache hit.
[2026-05-26 00:01:22] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-26 00:01:22] [INFO ] Invariant cache hit.
[2026-05-26 00:01:22] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 00:01:22] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2026-05-26 00:01:22] [INFO ] Redundant transitions in 2 ms returned []
Running 66 sub problems to find dead transitions.
[2026-05-26 00:01:22] [INFO ] Invariant cache hit.
[2026-05-26 00:01:22] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 77 constraints, problems are : Problem set: 0 solved, 66 unsolved in 3139 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 66/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 143 constraints, problems are : Problem set: 0 solved, 66 unsolved in 13588 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16742ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 16743ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16841 ms. Remains : 55/55 places, 88/88 transitions.
RANDOM walk for 40128 steps (8 resets) in 253 ms. (157 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
[2026-05-26 00:01:39] [INFO ] Flatten gal took : 54 ms
[2026-05-26 00:01:39] [INFO ] Flatten gal took : 22 ms
[2026-05-26 00:01:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11544098448974156025.gal : 14 ms
[2026-05-26 00:01:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17307941080018990307.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11544098448974156025.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17307941080018990307.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/ReachabilityCardinality17307941080018990307.prop.
SDD proceeding with computation,22 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,22 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,22 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,22 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,22 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,22 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,22 properties remain. new max is 256
SDD size :3104 after 10755
Interrupted probabilistic random walk after 142256 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :0 out of 22
Probabilistic random walk after 142256 steps, saw 130151 distinct states, run finished after 3006 ms. (steps per millisecond=47 ) properties seen :0
[2026-05-26 00:01:42] [INFO ] Invariant cache hit.
[2026-05-26 00:01:42] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
Problem MAX6 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MAX9 is UNSAT
Problem MAX10 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 11/22 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/22 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/77 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/88 constraints. Problems are: Problem set: 11 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/88 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/88 constraints. Problems are: Problem set: 11 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 88 constraints, problems are : Problem set: 11 solved, 11 unsolved in 820 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 11 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 11/22 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/22 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/77 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/88 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 11/99 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/99 constraints. Problems are: Problem set: 11 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/99 constraints. Problems are: Problem set: 11 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 99 constraints, problems are : Problem set: 11 solved, 11 unsolved in 3433 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 11/22 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4259ms problems are : Problem set: 11 solved, 11 unsolved
Fused 11 Parikh solutions to 5 different solutions.
SDD proceeding with computation,22 properties remain. new max is 512
SDD size :10755 after 19900
Invariant property MIN4 does not hold.
SDD proceeding with computation,21 properties remain. new max is 512
SDD size :19900 after 4.87563e+06
SDD proceeding with computation,21 properties remain. new max is 1024
SDD size :4.87563e+06 after 1.06334e+07
SDD proceeding with computation,21 properties remain. new max is 2048
SDD size :1.06334e+07 after 1.92442e+07
SDD proceeding with computation,21 properties remain. new max is 4096
SDD size :1.92442e+07 after 7.89804e+14
SDD proceeding with computation,21 properties remain. new max is 8192
SDD size :7.89804e+14 after 8.05296e+22
Parikh walk visited 4 properties in 35858 ms.
Support contains 6 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 30 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.1 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Applied a total of 1 rules in 3 ms. Remains 30 /55 variables (removed 25) and now considering 48/88 (removed 40) transitions.
Running 36 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4127709153460312336.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14028135996409658023.kers'
[2026-05-26 00:02:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4127709153460312336.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14028135996409658023.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 30 cols 120 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-26 00:02:22] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14028135996409658023.kers
Total runtime 0 ms.
[2026-05-26 00:02:22] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 6/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 48/78 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (OVERLAPS) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 42 constraints, problems are : Problem set: 0 solved, 36 unsolved in 792 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 6/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 48/78 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 36/78 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (OVERLAPS) 0/78 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 78 constraints, problems are : Problem set: 0 solved, 36 unsolved in 2265 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3069ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 3070ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3075 ms. Remains : 30/55 places, 48/88 transitions.
RANDOM walk for 40083 steps (8 resets) in 42 ms. (932 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 48 ms. (816 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 232246 steps, run timeout after 3001 ms. (steps per millisecond=77 ) properties seen :0 out of 6
Probabilistic random walk after 232246 steps, saw 195473 distinct states, run finished after 3001 ms. (steps per millisecond=77 ) properties seen :0
[2026-05-26 00:02:28] [INFO ] Invariant cache hit.
[2026-05-26 00:02:28] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 48/78 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 42 constraints, problems are : Problem set: 0 solved, 6 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 48/78 variables, 30/39 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/45 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Detected timeout of ITS tools.
[2026-05-26 00:02:29] [INFO ] Flatten gal took : 16 ms
[2026-05-26 00:02:29] [INFO ] Applying decomposition
[2026-05-26 00:02:29] [INFO ] Flatten gal took : 13 ms
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 6/51 constraints. Problems are: Problem set: 0 solved, 6 unsolved
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/graph15159063237081078298.txt' '-o' '/tmp/graph15159063237081078298.bin' '-w' '/tmp/graph15159063237081078298.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15159063237081078298.bin' '-l' '-1' '-v' '-w' '/tmp/graph15159063237081078298.weights' '-q' '0' '-e' '0.001'
[2026-05-26 00:02:29] [INFO ] Decomposing Gal with order
[2026-05-26 00:02:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 00:02:29] [INFO ] Flatten gal took : 9 ms
[2026-05-26 00:02:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 00:02:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6105057799049656877.gal : 4 ms
[2026-05-26 00:02:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2617451336771171412.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/ReachabilityCardinality6105057799049656877.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2617451336771171412.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 ...307
Loading property file /tmp/ReachabilityCardinality2617451336771171412.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :246 after 851
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :851 after 3104
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/78 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/78 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 53 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2132 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2261ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 1 different solutions.
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :3104 after 10755
Parikh walk visited 0 properties in 2267 ms.
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 30/30 places, 48/48 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
[2026-05-26 00:02:33] [INFO ] Invariant cache hit.
[2026-05-26 00:02:33] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-26 00:02:33] [INFO ] Invariant cache hit.
[2026-05-26 00:02:33] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 00:02:33] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2026-05-26 00:02:33] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 30/30 places, 48/48 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA JoinFreeModules-PT-0200-UpperBounds-14 202 TECHNIQUES REACHABILITY
FORMULA JoinFreeModules-PT-0200-UpperBounds-08 202 TECHNIQUES REACHABILITY
FORMULA JoinFreeModules-PT-0200-UpperBounds-06 202 TECHNIQUES REACHABILITY
FORMULA JoinFreeModules-PT-0200-UpperBounds-04 202 TECHNIQUES REACHABILITY
FORMULA JoinFreeModules-PT-0200-UpperBounds-01 202 TECHNIQUES REACHABILITY
Current structural bounds on expressions (after reachability check) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2146825786895302363.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15057765397806221416.kers'
[2026-05-26 00:02:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2146825786895302363.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15057765397806221416.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 55 cols 220 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-26 00:02:33] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15057765397806221416.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
RANDOM walk for 1000055 steps (2 resets) in 903 ms. (1106 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 6087 ms. (985 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
[2026-05-26 00:02:40] [INFO ] Invariant cache hit.
[2026-05-26 00:02:40] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:02:40] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-26 00:02:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:40] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:02:40] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-26 00:02:40] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 00:02:41] [INFO ] [Nat]Added 11 Read/Feed constraints in 581 ms returned sat
[2026-05-26 00:02:41] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-26 00:02:41] [INFO ] Added : 36 causal constraints over 8 iterations in 272 ms. Result :sat
Minimization took 46 ms.
[2026-05-26 00:02:41] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:02:41] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-26 00:02:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:41] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:02:41] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2026-05-26 00:02:42] [INFO ] [Nat]Added 11 Read/Feed constraints in 662 ms returned sat
[2026-05-26 00:02:42] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 00:02:42] [INFO ] Added : 42 causal constraints over 10 iterations in 134 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 00:02:42] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 00:02:42] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 00:02:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:42] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 00:02:42] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-26 00:02:42] [INFO ] [Nat]Added 11 Read/Feed constraints in 77 ms returned sat
[2026-05-26 00:02:42] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 00:02:42] [INFO ] Added : 38 causal constraints over 8 iterations in 89 ms. Result :sat
Minimization took 49 ms.
[2026-05-26 00:02:43] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:02:43] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 00:02:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:43] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:02:43] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-26 00:02:43] [INFO ] [Nat]Added 11 Read/Feed constraints in 69 ms returned sat
[2026-05-26 00:02:43] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 00:02:43] [INFO ] Added : 36 causal constraints over 8 iterations in 681 ms. Result :sat
Minimization took 33 ms.
[2026-05-26 00:02:44] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:02:44] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-26 00:02:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:44] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 00:02:44] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-26 00:02:44] [INFO ] [Nat]Added 11 Read/Feed constraints in 667 ms returned sat
[2026-05-26 00:02:44] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 00:02:45] [INFO ] Added : 36 causal constraints over 10 iterations in 218 ms. Result :sat
Minimization took 53 ms.
[2026-05-26 00:02:45] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 00:02:45] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 00:02:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:45] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-26 00:02:45] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 00:02:45] [INFO ] [Nat]Added 11 Read/Feed constraints in 173 ms returned sat
[2026-05-26 00:02:45] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 00:02:45] [INFO ] Added : 39 causal constraints over 8 iterations in 347 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
Support contains 6 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 30 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.0 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Applied a total of 1 rules in 2 ms. Remains 30 /55 variables (removed 25) and now considering 48/88 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 30/55 places, 48/88 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17171003581961815968.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-641178409315397092.kers'
[2026-05-26 00:02:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17171003581961815968.kers, --Pflows, --basisKERS=/tmp/petrispot-output-641178409315397092.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 30 cols 120 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-26 00:02:48] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-641178409315397092.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
RANDOM walk for 1000090 steps (2 resets) in 515 ms. (1938 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3285 ms. (1825 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
[2026-05-26 00:02:52] [INFO ] Invariant cache hit.
[2026-05-26 00:02:52] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 00:02:52] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-26 00:02:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:52] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 00:02:52] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-26 00:02:52] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 00:02:52] [INFO ] [Nat]Added 6 Read/Feed constraints in 23 ms returned sat
[2026-05-26 00:02:52] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 00:02:52] [INFO ] Added : 17 causal constraints over 4 iterations in 29 ms. Result :sat
Minimization took 15 ms.
[2026-05-26 00:02:52] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 00:02:52] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-26 00:02:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:52] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 00:02:52] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2026-05-26 00:02:52] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-26 00:02:52] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 00:02:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 24 ms
[2026-05-26 00:02:52] [INFO ] Added : 23 causal constraints over 5 iterations in 76 ms. Result :sat
Minimization took 18 ms.
[2026-05-26 00:02:52] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 00:02:52] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-26 00:02:52] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:52] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 00:02:52] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-26 00:02:52] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-26 00:02:52] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 00:02:53] [INFO ] Added : 17 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 00:02:53] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-26 00:02:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:53] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-26 00:02:53] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 00:02:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 81 ms
[2026-05-26 00:02:53] [INFO ] Added : 27 causal constraints over 6 iterations in 177 ms. Result :sat
Minimization took 33 ms.
[2026-05-26 00:02:53] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-26 00:02:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:53] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Nat]Added 6 Read/Feed constraints in 49 ms returned sat
[2026-05-26 00:02:53] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 00:02:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 46 ms
[2026-05-26 00:02:53] [INFO ] Added : 20 causal constraints over 6 iterations in 110 ms. Result :sat
Minimization took 33 ms.
[2026-05-26 00:02:53] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-26 00:02:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 00:02:53] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-26 00:02:53] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-26 00:02:53] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 00:02:53] [INFO ] Added : 18 causal constraints over 5 iterations in 54 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[200, 201, 201, 201, 200, 201] Max Struct:[202, 202, 202, 202, 202, 202]
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 30/30 places, 48/48 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
[2026-05-26 00:02:54] [INFO ] Invariant cache hit.
[2026-05-26 00:02:54] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 00:02:54] [INFO ] Invariant cache hit.
[2026-05-26 00:02:54] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 00:02:54] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2026-05-26 00:02:54] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 30/30 places, 48/48 transitions.
[2026-05-26 00:02:54] [INFO ] Flatten gal took : 16 ms
RANDOM walk for 40022 steps (8 resets) in 51 ms. (769 steps per ms) remains 12/12 properties
[2026-05-26 00:02:54] [INFO ] Flatten gal took : 12 ms
[2026-05-26 00:02:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12432463864625091231.gal : 4 ms
[2026-05-26 00:02:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16590173565185284202.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/ReachabilityCardinality12432463864625091231.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16590173565185284202.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/ReachabilityCardinality16590173565185284202.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40003 steps (8 resets) in 69 ms. (571 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 61 ms. (645 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 68 ms. (579 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :3104 after 10755
Interrupted probabilistic random walk after 167547 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :0 out of 12
Probabilistic random walk after 167547 steps, saw 141745 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
[2026-05-26 00:02:58] [INFO ] Invariant cache hit.
[2026-05-26 00:02:58] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 48/78 variables, 30/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/78 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 46 constraints, problems are : Problem set: 0 solved, 12 unsolved in 445 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 48/78 variables, 30/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 12/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 58 constraints, problems are : Problem set: 0 solved, 12 unsolved in 996 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1445ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 5 different solutions.
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :10755 after 19900
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :19900 after 4.87563e+06
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :4.87563e+06 after 1.45683e+07
Parikh walk visited 0 properties in 12220 ms.
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 30/30 places, 48/48 transitions.
RANDOM walk for 40092 steps (8 resets) in 37 ms. (1055 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 36 ms. (1081 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 181719 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :0 out of 12
Probabilistic random walk after 181719 steps, saw 153774 distinct states, run finished after 3001 ms. (steps per millisecond=60 ) properties seen :0
[2026-05-26 00:03:15] [INFO ] Invariant cache hit.
[2026-05-26 00:03:15] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 48/78 variables, 30/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/78 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 46 constraints, problems are : Problem set: 0 solved, 12 unsolved in 422 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 48/78 variables, 30/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 12/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 58 constraints, problems are : Problem set: 0 solved, 12 unsolved in 997 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1424ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 5 different solutions.
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :1.45683e+07 after 3.62124e+14
Parikh walk visited 0 properties in 12484 ms.
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 30/30 places, 48/48 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
[2026-05-26 00:03:29] [INFO ] Invariant cache hit.
[2026-05-26 00:03:29] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 00:03:29] [INFO ] Invariant cache hit.
[2026-05-26 00:03:29] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 00:03:29] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2026-05-26 00:03:29] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 30/30 places, 48/48 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 00:03:29] [INFO ] Flatten gal took : 4 ms
[2026-05-26 00:03:29] [INFO ] Applying decomposition
[2026-05-26 00:03:29] [INFO ] Flatten gal took : 4 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/graph2577552445717262059.txt' '-o' '/tmp/graph2577552445717262059.bin' '-w' '/tmp/graph2577552445717262059.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2577552445717262059.bin' '-l' '-1' '-v' '-w' '/tmp/graph2577552445717262059.weights' '-q' '0' '-e' '0.001'
[2026-05-26 00:03:29] [INFO ] Decomposing Gal with order
[2026-05-26 00:03:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 00:03:29] [INFO ] Flatten gal took : 4 ms
[2026-05-26 00:03:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 00:03:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18201732427525992584.gal : 1 ms
[2026-05-26 00:03:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11907795867507261762.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/ReachabilityCardinality18201732427525992584.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11907795867507261762.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 ...309
Loading property file /tmp/ReachabilityCardinality11907795867507261762.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :3104 after 10755
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :10755 after 19900
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :19900 after 4.87563e+06
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :4.87563e+06 after 1.45683e+07
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :1.45683e+07 after 3.62125e+14
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.68223e+47,11.9651,119400,8,1419,98,339652,45,0,60,399420,0
Total reachable state count : 1.682229951162522710872757578281359626304e+47

Verifying 12 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,11.9704,119400,1,0,98,339652,45,0,61,399420,0
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,11.9754,119400,1,0,98,339652,47,0,62,399420,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,11.9837,119400,1,0,98,339652,47,0,62,399420,0
Invariant property MIN1 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,0,11.9934,119400,1,0,98,339652,49,0,63,399420,0
Reachability property MAX2 does not hold.
No reachable states exhibit your property : MAX2

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX2,0,11.9936,119400,1,0,98,339652,49,0,63,399420,0
Invariant property MIN2 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,0,11.9938,119400,1,0,98,339652,50,0,63,399420,0
Reachability property MAX3 does not hold.
No reachable states exhibit your property : MAX3

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX3,0,11.994,119400,1,0,98,339652,50,0,63,399420,0
Invariant property MIN3 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN3,0,11.9942,119400,1,0,98,339652,51,0,63,399420,0
Reachability property MAX4 does not hold.
No reachable states exhibit your property : MAX4

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX4,0,11.9944,119400,1,0,98,339652,51,0,63,399420,0
Invariant property MIN4 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,0,11.9946,119400,1,0,98,339652,52,0,63,399420,0
Reachability property MAX5 does not hold.
No reachable states exhibit your property : MAX5

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX5,0,11.9948,119400,1,0,98,339652,52,0,63,399420,0
Invariant property MIN5 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN5,0,11.9949,119400,1,0,98,339652,53,0,63,399420,0
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA JoinFreeModules-PT-0200-UpperBounds-00 200 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0200-UpperBounds-03 201 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0200-UpperBounds-07 201 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0200-UpperBounds-10 201 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0200-UpperBounds-12 200 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-0200-UpperBounds-13 201 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-26 00:03:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000095 steps (2 resets) in 719 ms. (1389 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 437313 ms.

BK_STOP 1779753822042

--------------------
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="JoinFreeModules-PT-0200"
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 JoinFreeModules-PT-0200, 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 r162-smll-177961107700197"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0200.tgz
mv JoinFreeModules-PT-0200 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 ;