Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r178-oct2-177969019800045.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Medical-PT-12, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-oct2-177969019800045
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 11K Mar 7 18:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 18:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 18:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 7 18:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 11:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 11:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 11:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Mar 7 18:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 18:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 7 18:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Mar 7 18:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.1M 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 Medical-PT-12-UpperBounds-00
FORMULA_NAME Medical-PT-12-UpperBounds-01
FORMULA_NAME Medical-PT-12-UpperBounds-02
FORMULA_NAME Medical-PT-12-UpperBounds-03
FORMULA_NAME Medical-PT-12-UpperBounds-04
FORMULA_NAME Medical-PT-12-UpperBounds-05
FORMULA_NAME Medical-PT-12-UpperBounds-06
FORMULA_NAME Medical-PT-12-UpperBounds-07
FORMULA_NAME Medical-PT-12-UpperBounds-08
FORMULA_NAME Medical-PT-12-UpperBounds-09
FORMULA_NAME Medical-PT-12-UpperBounds-10
FORMULA_NAME Medical-PT-12-UpperBounds-11
FORMULA_NAME Medical-PT-12-UpperBounds-12
FORMULA_NAME Medical-PT-12-UpperBounds-13
FORMULA_NAME Medical-PT-12-UpperBounds-14
FORMULA_NAME Medical-PT-12-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779695192726

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Medical-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 07:46:34] [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 07:46:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 07:46:34] [INFO ] Load time of PNML (sax parser for PT used): 289 ms
[2026-05-25 07:46:34] [INFO ] Transformed 312 places.
[2026-05-25 07:46:34] [INFO ] Transformed 5431 transitions.
[2026-05-25 07:46:34] [INFO ] Parsed PT model containing 312 places and 5431 transitions and 28790 arcs in 451 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 242 places in 32 ms
Reduce places removed 242 places and 5204 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA Medical-PT-12-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+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-4315268674031296208.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9222862320808826410.kers'
[2026-05-25 07:46:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4315268674031296208.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9222862320808826410.kers]
Normalized transition count is 182 out of 227 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 182 rows 69 cols 762 entries
Finished phase 1 with 59 SingleSign rule and 0 generalized
[2026-05-25 07:46:34] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9222862320808826410.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, +inf]
RANDOM walk for 10000 steps (47 resets) in 50 ms. (196 steps per ms)
FORMULA Medical-PT-12-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Medical-PT-12-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30002 steps (30 resets) in 37 ms. (789 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, +inf]
[2026-05-25 07:46:34] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6174785794565490134.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17608657926403390498.kers'
[2026-05-25 07:46:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6174785794565490134.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17608657926403390498.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 182 rows 69 cols 762 entries
Finished phase 1 with 59 SingleSign rule and 0 generalized
[2026-05-25 07:46:34] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17608657926403390498.kers
Total runtime 1 ms.
[2026-05-25 07:46:34] [INFO ] [Real]Absence check using 10 positive place invariants in 14 ms returned sat
[2026-05-25 07:46:35] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2026-05-25 07:46:35] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-25 07:46:35] [INFO ] [Real]Added 56 Read/Feed constraints in 12 ms returned sat
[2026-05-25 07:46:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:46:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-25 07:46:35] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2026-05-25 07:46:35] [INFO ] [Nat]Added 56 Read/Feed constraints in 11 ms returned sat
[2026-05-25 07:46:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 140 ms
[2026-05-25 07:46:35] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 63 ms.
[2026-05-25 07:46:35] [INFO ] Added : 22 causal constraints over 5 iterations in 189 ms. Result :sat
Minimization took 40 ms.
[2026-05-25 07:46:35] [INFO ] [Real]Absence check using 10 positive place invariants in 16 ms returned sat
[2026-05-25 07:46:35] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-25 07:46:35] [INFO ] [Real]Added 56 Read/Feed constraints in 21 ms returned sat
[2026-05-25 07:46:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:46:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-25 07:46:35] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 07:46:35] [INFO ] [Nat]Added 56 Read/Feed constraints in 8 ms returned sat
[2026-05-25 07:46:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 75 ms
[2026-05-25 07:46:35] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 11 ms.
[2026-05-25 07:46:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
[2026-05-25 07:46:36] [INFO ] Added : 15 causal constraints over 5 iterations in 179 ms. Result :sat
Minimization took 37 ms.
[2026-05-25 07:46:36] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-25 07:46:36] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 07:46:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:46:36] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2026-05-25 07:46:36] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-25 07:46:36] [INFO ] [Nat]Added 56 Read/Feed constraints in 10 ms returned sat
[2026-05-25 07:46:37] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 756 ms
[2026-05-25 07:46:37] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 11 ms.
[2026-05-25 07:46:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 101 ms
[2026-05-25 07:46:37] [INFO ] Added : 53 causal constraints over 11 iterations in 273 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, +inf]
Support contains 3 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 227/227 transitions.
Graph (complete) has 347 edges and 69 vertex of which 67 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 67 transition count 224
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 64 transition count 224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 63 transition count 224
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 11 place count 63 transition count 222
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 13 place count 61 transition count 222
Applied a total of 13 rules in 44 ms. Remains 61 /69 variables (removed 8) and now considering 222/227 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 61/69 places, 222/227 transitions.
[2026-05-25 07:46:37] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
findPositiveTsemiflow completed in 46 ms - Found solution {1=1, 151=1} and attempted to minimize in 0 ms success -> {3=1, 151=1}
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8539797508919404450.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14953433665760712868.kers'
[2026-05-25 07:46:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8539797508919404450.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14953433665760712868.kers]
Normalized transition count is 176 out of 222 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 176 rows 60 cols 690 entries
Finished phase 1 with 53 SingleSign rule and 0 generalized
[2026-05-25 07:46:47] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14953433665760712868.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, +inf]
RANDOM walk for 1000001 steps (2 resets) in 436 ms. (2288 steps per ms)
BEST_FIRST walk for 3000002 steps (6 resets) in 1493 ms. (2008 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, +inf]
[2026-05-25 07:46:49] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11944329609000394080.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5286020844272818181.kers'
[2026-05-25 07:46:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11944329609000394080.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5286020844272818181.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 176 rows 60 cols 690 entries
Finished phase 1 with 53 SingleSign rule and 0 generalized
[2026-05-25 07:46:49] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5286020844272818181.kers
Total runtime 2 ms.
[2026-05-25 07:46:49] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-25 07:46:49] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 07:46:49] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-25 07:46:49] [INFO ] [Real]Added 57 Read/Feed constraints in 8 ms returned sat
[2026-05-25 07:46:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:46:49] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2026-05-25 07:46:49] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 07:46:49] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2026-05-25 07:46:49] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 12 ms.
[2026-05-25 07:46:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2026-05-25 07:46:50] [INFO ] Added : 22 causal constraints over 8 iterations in 234 ms. Result :sat
Minimization took 42 ms.
[2026-05-25 07:46:50] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-25 07:46:50] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-25 07:46:50] [INFO ] [Real]Added 57 Read/Feed constraints in 6 ms returned sat
[2026-05-25 07:46:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:46:50] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-25 07:46:50] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-25 07:46:50] [INFO ] [Nat]Added 57 Read/Feed constraints in 16 ms returned sat
[2026-05-25 07:46:50] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 18 ms.
[2026-05-25 07:46:50] [INFO ] Added : 36 causal constraints over 8 iterations in 128 ms. Result :sat
Minimization took 42 ms.
[2026-05-25 07:46:50] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-25 07:46:50] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 07:46:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:46:50] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-25 07:46:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2026-05-25 07:46:50] [INFO ] [Nat]Added 57 Read/Feed constraints in 7 ms returned sat
[2026-05-25 07:46:50] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 11 ms.
[2026-05-25 07:46:50] [INFO ] Added : 7 causal constraints over 2 iterations in 52 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, +inf]
Support contains 3 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 12 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2026-05-25 07:46:50] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-25 07:46:50] [INFO ] Invariant cache hit.
[2026-05-25 07:46:50] [INFO ] Implicit Places using invariants in 127 ms returned []
[2026-05-25 07:46:50] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-25 07:46:50] [INFO ] Invariant cache hit.
[2026-05-25 07:46:50] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-25 07:46:51] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
[2026-05-25 07:46:51] [INFO ] Redundant transitions in 5 ms returned []
Running 221 sub problems to find dead transitions.
[2026-05-25 07:46:51] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-25 07:46:51] [INFO ] Invariant cache hit.
[2026-05-25 07:46:51] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 127 constraints, problems are : Problem set: 0 solved, 221 unsolved in 5521 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 221 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD88 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 221/348 constraints. Problems are: Problem set: 43 solved, 178 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 8/356 constraints. Problems are: Problem set: 43 solved, 178 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 3/359 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Problem TDEAD64 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD92 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 5/364 constraints. Problems are: Problem set: 54 solved, 167 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 2/366 constraints. Problems are: Problem set: 54 solved, 167 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 1/367 constraints. Problems are: Problem set: 54 solved, 167 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/237 variables, 1/368 constraints. Problems are: Problem set: 54 solved, 167 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/237 variables, 0/368 constraints. Problems are: Problem set: 54 solved, 167 unsolved
Problem TDEAD89 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 237/237 variables, and 369 constraints, problems are : Problem set: 55 solved, 166 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 35661ms problems are : Problem set: 55 solved, 166 unsolved
Search for dead transitions found 55 dead transitions in 35668ms
Found 55 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 55 transitions
Dead transitions reduction (with SMT) removed 55 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 61/61 places, 167/222 transitions.
Reduce places removed 9 places and 58 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 52 transition count 109
Reduce places removed 6 places and 31 transitions.
Graph (complete) has 153 edges and 46 vertex of which 3 are kept as prefixes of interest. Removing 43 places using SCC suffix rule.0 ms
Discarding 43 places :
Also discarding 78 output transitions
Drop transitions (Output transitions of discarded places.) removed 78 transitions
Iterating post reduction 1 with 7 rules applied. Total rules applied 16 place count 3 transition count 0
Deduced a syphon composed of 3 places in 0 ms
Applied a total of 16 rules in 2 ms. Remains 3 /61 variables (removed 58) and now considering 0/167 (removed 167) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-391484185078144903.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16952593775096541040.kers'
[2026-05-25 07:47:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-391484185078144903.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16952593775096541040.kers]
[2026-05-25 07:47:26] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16952593775096541040.kers
Total runtime 0 ms.
[2026-05-25 07:47:26] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 07:47:26] [INFO ] Invariant cache hit.
[2026-05-25 07:47:26] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 3/61 places, 0/222 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 36098 ms. Remains : 3/61 places, 0/222 transitions.
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
FORMULA Medical-PT-12-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-12-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (after structural reductions) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 52834 ms.

BK_STOP 1779695246931

--------------------
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="Medical-PT-12"
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 Medical-PT-12, 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 r178-oct2-177969019800045"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Medical-PT-12.tgz
mv Medical-PT-12 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 ;