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.r191-oct2-177969025500007.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 gold2025
Input is Medical-PT-14, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r191-oct2-177969025500007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 9.4K Mar 7 18:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K Mar 7 18:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 7 18:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 7 18:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 11:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 11:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 11:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 18:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 18:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 18:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 7 18:17 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-14-UpperBounds-00
FORMULA_NAME Medical-PT-14-UpperBounds-01
FORMULA_NAME Medical-PT-14-UpperBounds-02
FORMULA_NAME Medical-PT-14-UpperBounds-03
FORMULA_NAME Medical-PT-14-UpperBounds-04
FORMULA_NAME Medical-PT-14-UpperBounds-05
FORMULA_NAME Medical-PT-14-UpperBounds-06
FORMULA_NAME Medical-PT-14-UpperBounds-07
FORMULA_NAME Medical-PT-14-UpperBounds-08
FORMULA_NAME Medical-PT-14-UpperBounds-09
FORMULA_NAME Medical-PT-14-UpperBounds-10
FORMULA_NAME Medical-PT-14-UpperBounds-11
FORMULA_NAME Medical-PT-14-UpperBounds-12
FORMULA_NAME Medical-PT-14-UpperBounds-13
FORMULA_NAME Medical-PT-14-UpperBounds-14
FORMULA_NAME Medical-PT-14-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779942832311

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Medical-PT-14
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-28 04:33:53] [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]
[2026-05-28 04:33:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 04:33:54] [INFO ] Load time of PNML (sax parser for PT used): 290 ms
[2026-05-28 04:33:54] [INFO ] Transformed 312 places.
[2026-05-28 04:33:54] [INFO ] Transformed 5431 transitions.
[2026-05-28 04:33:54] [INFO ] Parsed PT model containing 312 places and 5431 transitions and 28790 arcs in 418 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Deduced a syphon composed of 242 places in 39 ms
Reduce places removed 242 places and 5204 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA Medical-PT-14-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-15 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]
[2026-05-28 04:33:54] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
// Phase 1: matrix 182 rows 69 cols
[2026-05-28 04:33:54] [INFO ] Computed 10 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, 1, 1, +inf, 1]
RANDOM walk for 10001 steps (46 resets) in 34 ms. (285 steps per ms)
FORMULA Medical-PT-14-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Medical-PT-14-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (19 resets) in 36 ms. (810 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:33:54] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2026-05-28 04:33:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:33:54] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-28 04:33:54] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-28 04:33:54] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-28 04:33:54] [INFO ] [Real]Added 56 Read/Feed constraints in 12 ms returned sat
[2026-05-28 04:33:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:33:54] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-28 04:33:54] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-28 04:33:54] [INFO ] [Nat]Added 56 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:54] [INFO ] Deduced a trap composed of 4 places in 69 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:54] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:55] [INFO ] Deduced a trap composed of 5 places in 91 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:55] [INFO ] Deduced a trap composed of 8 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:55] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:55] [INFO ] Deduced a trap composed of 27 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:55] [INFO ] Deduced a trap composed of 31 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:55] [INFO ] Deduced a trap composed of 11 places in 78 ms of which 5 ms to minimize.
[2026-05-28 04:33:55] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 685 ms
[2026-05-28 04:33:55] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 28 ms.
[2026-05-28 04:33:55] [INFO ] Added : 28 causal constraints over 7 iterations in 178 ms. Result :sat
Minimization took 58 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:33:55] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-28 04:33:55] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-28 04:33:55] [INFO ] [Real]Added 56 Read/Feed constraints in 16 ms returned sat
[2026-05-28 04:33:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:33:55] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-28 04:33:55] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-28 04:33:55] [INFO ] [Nat]Added 56 Read/Feed constraints in 15 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:56] [INFO ] Deduced a trap composed of 11 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:56] [INFO ] Deduced a trap composed of 4 places in 67 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:56] [INFO ] Deduced a trap composed of 18 places in 68 ms of which 4 ms to minimize.
[2026-05-28 04:33:56] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 270 ms
[2026-05-28 04:33:56] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 31 ms.
[2026-05-28 04:33:56] [INFO ] Added : 54 causal constraints over 12 iterations in 327 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:33:56] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-28 04:33:56] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2026-05-28 04:33:56] [INFO ] [Real]Added 56 Read/Feed constraints in 21 ms returned sat
[2026-05-28 04:33:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:33:56] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-28 04:33:56] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-28 04:33:56] [INFO ] [Nat]Added 56 Read/Feed constraints in 10 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:57] [INFO ] Deduced a trap composed of 4 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:33:57] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 2 ms to minimize.
[2026-05-28 04:33:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 146 ms
[2026-05-28 04:33:57] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 35 ms.
[2026-05-28 04:33:57] [INFO ] Added : 44 causal constraints over 10 iterations in 320 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 13, 0] Max Struct:[+inf, +inf, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 13, 0] Max Struct:[+inf, +inf, 1]
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 1 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 42 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 49 ms. Remains : 61/69 places, 222/227 transitions.
[2026-05-28 04:33:57] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {1=1, 151=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {3=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 3) seen :[0, 1, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:33:57] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2026-05-28 04:33:57] [INFO ] Computed 8 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 13, 0] Max Struct:[+inf, +inf, 1]
RANDOM walk for 1000001 steps (2 resets) in 400 ms. (2493 steps per ms)
BEST_FIRST walk for 3000003 steps (6 resets) in 1548 ms. (1936 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:33:59] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-28 04:33:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:33:59] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-28 04:33:59] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-28 04:33:59] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-28 04:33:59] [INFO ] [Real]Added 57 Read/Feed constraints in 23 ms returned sat
[2026-05-28 04:33:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:00] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-28 04:34:00] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-28 04:34:00] [INFO ] [Nat]Added 57 Read/Feed constraints in 26 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:00] [INFO ] Deduced a trap composed of 27 places in 117 ms of which 7 ms to minimize.
[2026-05-28 04:34:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 142 ms
[2026-05-28 04:34:00] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 29 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:00] [INFO ] Deduced a trap composed of 4 places in 77 ms of which 3 ms to minimize.
[2026-05-28 04:34:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
[2026-05-28 04:34:00] [INFO ] Added : 26 causal constraints over 7 iterations in 337 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:00] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-28 04:34:00] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-28 04:34:00] [INFO ] [Real]Added 57 Read/Feed constraints in 17 ms returned sat
[2026-05-28 04:34:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:00] [INFO ] [Nat]Absence check using 8 positive place invariants in 5 ms returned sat
[2026-05-28 04:34:00] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-28 04:34:00] [INFO ] [Nat]Added 57 Read/Feed constraints in 18 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:01] [INFO ] Deduced a trap composed of 8 places in 88 ms of which 4 ms to minimize.
[2026-05-28 04:34:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 108 ms
[2026-05-28 04:34:01] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:01] [INFO ] Deduced a trap composed of 4 places in 62 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:01] [INFO ] Deduced a trap composed of 5 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:01] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 2 ms to minimize.
[2026-05-28 04:34:01] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 224 ms
[2026-05-28 04:34:01] [INFO ] Added : 43 causal constraints over 10 iterations in 536 ms. Result :sat
Minimization took 66 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:01] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-28 04:34:01] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2026-05-28 04:34:01] [INFO ] [Real]Added 57 Read/Feed constraints in 19 ms returned sat
[2026-05-28 04:34:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:01] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-28 04:34:01] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-28 04:34:01] [INFO ] [Nat]Added 57 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:02] [INFO ] Deduced a trap composed of 4 places in 75 ms of which 4 ms to minimize.
[2026-05-28 04:34:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 119 ms
[2026-05-28 04:34:02] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 24 ms.
[2026-05-28 04:34:02] [INFO ] Added : 8 causal constraints over 2 iterations in 97 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 13, 0] Max Struct:[+inf, +inf, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 13, 0] Max Struct:[+inf, +inf, 1]
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 14 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 15 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 11 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2026-05-28 04:34:02] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-28 04:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:02] [INFO ] Implicit Places using invariants in 129 ms returned []
[2026-05-28 04:34:02] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-28 04:34:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:02] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-28 04:34:02] [INFO ] Implicit Places using invariants and state equation in 292 ms returned []
Implicit Place search using SMT with State Equation took 424 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-28 04:34:02] [INFO ] Redundant transitions in 14 ms returned []
Running 221 sub problems to find dead transitions.
[2026-05-28 04:34:02] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-28 04:34:02] [INFO ] Invariant cache hit.
[2026-05-28 04:34:02] [INFO ] State equation strengthened by 57 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:03] [INFO ] Deduced a trap composed of 5 places in 58 ms of which 4 ms to minimize.
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 6053 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:12] [INFO ] Deduced a trap composed of 5 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:13] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:13] [INFO ] Deduced a trap composed of 10 places in 63 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 3/351 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:14] [INFO ] Deduced a trap composed of 8 places in 71 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 1/352 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:16] [INFO ] Deduced a trap along path composed of 6 places in 49 ms of which 10 ms to minimize.
Problem TDEAD64 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:17] [INFO ] Deduced a trap along path composed of 5 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:17] [INFO ] Deduced a trap along path composed of 5 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:17] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 1 ms to minimize.
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD148 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:18] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 1 ms to minimize.
Problem TDEAD198 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 5/357 constraints. Problems are: Problem set: 52 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:20] [INFO ] Deduced a trap composed of 2 places in 42 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:20] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:21] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 3/360 constraints. Problems are: Problem set: 52 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:23] [INFO ] Deduced a trap composed of 15 places in 109 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 1/361 constraints. Problems are: Problem set: 52 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:25] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:26] [INFO ] Deduced a trap composed of 6 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:26] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/237 variables, 3/364 constraints. Problems are: Problem set: 52 solved, 169 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:27] [INFO ] Deduced a trap composed of 11 places in 72 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:28] [INFO ] Deduced a trap composed of 10 places in 80 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/237 variables, 2/366 constraints. Problems are: Problem set: 52 solved, 169 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/237 variables, 0/366 constraints. Problems are: Problem set: 52 solved, 169 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 237/237 variables, and 366 constraints, problems are : Problem set: 52 solved, 169 unsolved in 30022 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: 14/14 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 36281ms problems are : Problem set: 52 solved, 169 unsolved
Search for dead transitions found 52 dead transitions in 36295ms
Found 52 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 52 transitions
Dead transitions reduction (with SMT) removed 52 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 61/61 places, 170/222 transitions.
Reduce places removed 10 places and 61 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 51 transition count 109
Reduce places removed 7 places and 31 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 17 place count 44 transition count 78
Reduce places removed 2 places and 10 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 19 place count 42 transition count 68
Reduce places removed 2 places and 11 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 21 place count 40 transition count 57
Reduce places removed 1 places and 4 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 22 place count 39 transition count 53
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 22 rules in 6 ms. Remains 39 /61 variables (removed 22) and now considering 53/170 (removed 117) transitions.
[2026-05-28 04:34:39] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
// Phase 1: matrix 47 rows 39 cols
[2026-05-28 04:34:39] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:39] [INFO ] Implicit Places using invariants in 76 ms returned []
[2026-05-28 04:34:39] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:39] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:34:39] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 39/61 places, 53/222 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 36961 ms. Remains : 39/61 places, 53/222 transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
FORMULA Medical-PT-14-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-14-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-28 04:34:39] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {0=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 13 ms.
This minimized invariant on transitions {0=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:34:39] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
// Phase 1: matrix 47 rows 37 cols
[2026-05-28 04:34:39] [INFO ] Computed 8 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 13, 0] Max Struct:[+inf, +inf, 1]
RANDOM walk for 1000013 steps (2 resets) in 265 ms. (3759 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 280 ms. (3558 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:34:39] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:39] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2026-05-28 04:34:39] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-28 04:34:39] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:34:39] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2026-05-28 04:34:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:39] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-28 04:34:39] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2026-05-28 04:34:39] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2026-05-28 04:34:39] [INFO ] Computed and/alt/rep : 41/143/40 causal constraints (skipped 6 transitions) in 4 ms.
[2026-05-28 04:34:40] [INFO ] Added : 22 causal constraints over 5 iterations in 59 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 13, 0] Max Struct:[+inf, +inf, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 13, 0] Max Struct:[+inf, +inf, 1]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 5 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 37/37 places, 53/53 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 4 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
[2026-05-28 04:34:40] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:40] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-28 04:34:40] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:40] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:34:40] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-28 04:34:40] [INFO ] Redundant transitions in 0 ms returned []
Running 52 sub problems to find dead transitions.
[2026-05-28 04:34:40] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:40] [INFO ] Invariant cache hit.
[2026-05-28 04:34:40] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (OVERLAPS) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 72 constraints, problems are : Problem set: 0 solved, 52 unsolved in 912 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 52/124 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:41] [INFO ] Deduced a trap composed of 4 places in 57 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:42] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:42] [INFO ] Deduced a trap along path composed of 3 places in 15 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:43] [INFO ] Deduced a trap composed of 2 places in 34 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/84 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:43] [INFO ] Deduced a trap composed of 9 places in 60 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/84 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/84 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:44] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 2 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/84 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:45] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 1 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/84 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:46] [INFO ] Deduced a trap along path composed of 2 places in 25 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/84 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/84 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:47] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 3 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/84 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 20 (OVERLAPS) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 133 constraints, problems are : Problem set: 0 solved, 52 unsolved in 8227 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 9156ms problems are : Problem set: 0 solved, 52 unsolved
Search for dead transitions found 0 dead transitions in 9156ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9284 ms. Remains : 37/37 places, 53/53 transitions.
[2026-05-28 04:34:49] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {0=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:34:49] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5, 13, 0] Max Struct:[+inf, +inf, 1]
RANDOM walk for 1000004 steps (2 resets) in 295 ms. (3378 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 288 ms. (3460 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:34:50] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:50] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-28 04:34:50] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-28 04:34:50] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:34:50] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2026-05-28 04:34:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:50] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-28 04:34:50] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-28 04:34:50] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2026-05-28 04:34:50] [INFO ] Computed and/alt/rep : 41/143/40 causal constraints (skipped 6 transitions) in 3 ms.
[2026-05-28 04:34:50] [INFO ] Added : 22 causal constraints over 5 iterations in 29 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 37/37 places, 53/53 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
[2026-05-28 04:34:50] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:50] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-28 04:34:50] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:50] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:34:50] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-28 04:34:50] [INFO ] Redundant transitions in 1 ms returned []
Running 52 sub problems to find dead transitions.
[2026-05-28 04:34:50] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:50] [INFO ] Invariant cache hit.
[2026-05-28 04:34:50] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (OVERLAPS) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 72 constraints, problems are : Problem set: 0 solved, 52 unsolved in 588 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 52/124 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:51] [INFO ] Deduced a trap composed of 4 places in 41 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:51] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:52] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:52] [INFO ] Deduced a trap composed of 2 places in 55 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/84 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:53] [INFO ] Deduced a trap composed of 9 places in 35 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/84 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/84 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:53] [INFO ] Deduced a trap composed of 8 places in 54 ms of which 4 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/84 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:54] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/84 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:55] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/84 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/84 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:56] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 2 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/84 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 20 (OVERLAPS) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 133 constraints, problems are : Problem set: 0 solved, 52 unsolved in 7911 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 8507ms problems are : Problem set: 0 solved, 52 unsolved
Search for dead transitions found 0 dead transitions in 8508ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8636 ms. Remains : 37/37 places, 53/53 transitions.
[2026-05-28 04:34:58] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {0=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:34:58] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
RANDOM walk for 1000002 steps (2 resets) in 261 ms. (3816 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 328 ms. (3039 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
[2026-05-28 04:34:59] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:59] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-28 04:34:59] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-28 04:34:59] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:34:59] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2026-05-28 04:34:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:34:59] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-28 04:34:59] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-28 04:34:59] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2026-05-28 04:34:59] [INFO ] Computed and/alt/rep : 41/143/40 causal constraints (skipped 6 transitions) in 6 ms.
[2026-05-28 04:34:59] [INFO ] Added : 22 causal constraints over 5 iterations in 59 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 37/37 places, 53/53 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
[2026-05-28 04:34:59] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:59] [INFO ] Implicit Places using invariants in 65 ms returned []
[2026-05-28 04:34:59] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:34:59] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:34:59] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-28 04:34:59] [INFO ] Redundant transitions in 1 ms returned []
Running 52 sub problems to find dead transitions.
[2026-05-28 04:34:59] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:34:59] [INFO ] Invariant cache hit.
[2026-05-28 04:34:59] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (OVERLAPS) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 72 constraints, problems are : Problem set: 0 solved, 52 unsolved in 696 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 52/124 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:01] [INFO ] Deduced a trap composed of 4 places in 29 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:01] [INFO ] Deduced a trap along path composed of 2 places in 42 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:01] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:02] [INFO ] Deduced a trap composed of 2 places in 53 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/84 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:02] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/84 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/84 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:03] [INFO ] Deduced a trap composed of 8 places in 57 ms of which 4 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/84 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:04] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 0 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/84 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:05] [INFO ] Deduced a trap along path composed of 2 places in 44 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/84 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/84 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:06] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 1 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/84 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 20 (OVERLAPS) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 133 constraints, problems are : Problem set: 0 solved, 52 unsolved in 7963 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 8668ms problems are : Problem set: 0 solved, 52 unsolved
Search for dead transitions found 0 dead transitions in 8669ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8827 ms. Remains : 37/37 places, 53/53 transitions.
[2026-05-28 04:35:08] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {0=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
RANDOM walk for 40033 steps (8 resets) in 266 ms. (149 steps per ms) remains 1/1 properties
BEST_FIRST walk for 31498 steps (7 resets) in 67 ms. (463 steps per ms) remains 0/1 properties
[2026-05-28 04:35:08] [INFO ] Flatten gal took : 29 ms
[2026-05-28 04:35:08] [INFO ] Flatten gal took : 10 ms
[2026-05-28 04:35:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4583500701429254374.gal : 4 ms
[2026-05-28 04:35:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13014906052506317156.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4583500701429254374.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13014906052506317156.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[7, 13, 0] Max Struct:[+inf, +inf, 1]
Starting property specific reduction for Medical-PT-14-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2026-05-28 04:35:08] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 resets) in 5 ms. (1667 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[24] Max Struct:[+inf]
[2026-05-28 04:35:08] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:08] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-28 04:35:08] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-28 04:35:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:09] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-28 04:35:09] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-28 04:35:09] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:35:09] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:09] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:09] [INFO ] Deduced a trap composed of 9 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:09] [INFO ] Deduced a trap composed of 8 places in 67 ms of which 7 ms to minimize.
[2026-05-28 04:35:09] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 167 ms
[2026-05-28 04:35:09] [INFO ] Computed and/alt/rep : 41/143/40 causal constraints (skipped 6 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:09] [INFO ] Deduced a trap composed of 19 places in 63 ms of which 4 ms to minimize.
[2026-05-28 04:35:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2026-05-28 04:35:09] [INFO ] Added : 22 causal constraints over 5 iterations in 149 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[24] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[24] Max Struct:[+inf]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 37/37 places, 53/53 transitions.
[2026-05-28 04:35:09] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {0=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[24] Max Struct:[+inf]
[2026-05-28 04:35:09] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[24] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 288 ms. (3460 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 281 ms. (3546 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[24] Max Struct:[+inf]
[2026-05-28 04:35:10] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:35:10] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-28 04:35:10] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-28 04:35:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-28 04:35:10] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-28 04:35:10] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-28 04:35:10] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:35:10] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:10] [INFO ] Deduced a trap composed of 7 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:10] [INFO ] Deduced a trap composed of 9 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:10] [INFO ] Deduced a trap composed of 8 places in 57 ms of which 4 ms to minimize.
[2026-05-28 04:35:10] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 201 ms
[2026-05-28 04:35:10] [INFO ] Computed and/alt/rep : 41/143/40 causal constraints (skipped 6 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:10] [INFO ] Deduced a trap composed of 19 places in 65 ms of which 5 ms to minimize.
[2026-05-28 04:35:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2026-05-28 04:35:10] [INFO ] Added : 22 causal constraints over 5 iterations in 149 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[24] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[24] Max Struct:[+inf]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 37/37 places, 53/53 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
[2026-05-28 04:35:10] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:35:10] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-05-28 04:35:10] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:35:10] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:35:10] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-28 04:35:10] [INFO ] Redundant transitions in 1 ms returned []
Running 52 sub problems to find dead transitions.
[2026-05-28 04:35:10] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:10] [INFO ] Invariant cache hit.
[2026-05-28 04:35:10] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (OVERLAPS) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 72 constraints, problems are : Problem set: 0 solved, 52 unsolved in 1127 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 52/124 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:12] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:12] [INFO ] Deduced a trap along path composed of 2 places in 30 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:13] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:13] [INFO ] Deduced a trap composed of 2 places in 60 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/84 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:14] [INFO ] Deduced a trap composed of 9 places in 33 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/84 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/84 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:14] [INFO ] Deduced a trap composed of 8 places in 63 ms of which 36 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/84 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:15] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/84 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:16] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/84 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/84 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:17] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 2 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/84 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 20 (OVERLAPS) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 133 constraints, problems are : Problem set: 0 solved, 52 unsolved in 7461 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 8600ms problems are : Problem set: 0 solved, 52 unsolved
Search for dead transitions found 0 dead transitions in 8601ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8802 ms. Remains : 37/37 places, 53/53 transitions.
[2026-05-28 04:35:19] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {0=1, 40=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 40=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[24] Max Struct:[+inf]
RANDOM walk for 40032 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
[2026-05-28 04:35:19] [INFO ] Flatten gal took : 20 ms
BEST_FIRST walk for 40002 steps (8 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
[2026-05-28 04:35:19] [INFO ] Flatten gal took : 15 ms
[2026-05-28 04:35:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4833692919040253979.gal : 2 ms
[2026-05-28 04:35:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8659830531155977985.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4833692919040253979.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8659830531155977985.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8659830531155977985.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 15
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :15 after 253
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :253 after 1738
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1738 after 4663
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4663 after 10468
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :10468 after 22033
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :22033 after 45118
Interrupted probabilistic random walk after 2719481 steps, run timeout after 3001 ms. (steps per millisecond=906 ) properties seen :0 out of 1
Probabilistic random walk after 2719481 steps, saw 1592986 distinct states, run finished after 3005 ms. (steps per millisecond=904 ) properties seen :0
[2026-05-28 04:35:22] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:22] [INFO ] Invariant cache hit.
[2026-05-28 04:35:22] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 27/32 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/33 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 34/67 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/67 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/67 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/67 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 15/82 variables, 11/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/82 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/82 variables, 5/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/82 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/84 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/84 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 27/32 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/33 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 34/67 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/67 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/67 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/67 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/67 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 15/82 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/82 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/82 variables, 5/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/82 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/84 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/84 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/84 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/84 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 205ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 69 ms.
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 37/37 places, 53/53 transitions.
RANDOM walk for 40023 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2730369 steps, run timeout after 3001 ms. (steps per millisecond=909 ) properties seen :0 out of 1
Probabilistic random walk after 2730369 steps, saw 1599519 distinct states, run finished after 3002 ms. (steps per millisecond=909 ) properties seen :0
[2026-05-28 04:35:25] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:25] [INFO ] Invariant cache hit.
[2026-05-28 04:35:25] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 27/32 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/33 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 34/67 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/67 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/67 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/67 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 15/82 variables, 11/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/82 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/82 variables, 5/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/82 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/84 variables, 2/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/84 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 27/32 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/33 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 34/67 variables, 17/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/67 variables, 3/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/67 variables, 11/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/67 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/67 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 15/82 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/82 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/82 variables, 5/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/82 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/84 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/84 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/84 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/84 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 142ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 37/37 places, 53/53 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 53/53 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 53/53 (removed 0) transitions.
[2026-05-28 04:35:26] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:35:26] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-28 04:35:26] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-28 04:35:26] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-28 04:35:26] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-28 04:35:26] [INFO ] Redundant transitions in 0 ms returned []
Running 52 sub problems to find dead transitions.
[2026-05-28 04:35:26] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-28 04:35:26] [INFO ] Invariant cache hit.
[2026-05-28 04:35:26] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :45118 after 91243
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 7 (OVERLAPS) 0/84 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Real declared 84/84 variables, and 72 constraints, problems are : Problem set: 0 solved, 52 unsolved in 787 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 2 (OVERLAPS) 1/37 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 4 (OVERLAPS) 47/84 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/84 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/84 variables, 52/124 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:27] [INFO ] Deduced a trap composed of 4 places in 53 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:28] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:29] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:29] [INFO ] Deduced a trap composed of 2 places in 36 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/84 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:29] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 6 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/84 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/84 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:30] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 3 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/84 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/84 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:31] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 15 (OVERLAPS) 0/84 variables, 1/131 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:31] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 1 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/84 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/84 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 52 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:32] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 2 ms to minimize.
At refinement iteration 18 (OVERLAPS) 0/84 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
At refinement iteration 20 (OVERLAPS) 0/84 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 52 unsolved
No progress, stopping.
After SMT solving in domain Int declared 84/84 variables, and 133 constraints, problems are : Problem set: 0 solved, 52 unsolved in 8102 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 52/52 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 8899ms problems are : Problem set: 0 solved, 52 unsolved
Search for dead transitions found 0 dead transitions in 8899ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9039 ms. Remains : 37/37 places, 53/53 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 84 edges and 37 vertex of which 35 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 35 transition count 42
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 33 transition count 42
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 15 place count 32 transition count 40
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 32 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 21 place count 29 transition count 38
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 26 place count 26 transition count 47
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 28 place count 26 transition count 48
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 31 place count 23 transition count 48
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 32 place count 23 transition count 62
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 33 place count 22 transition count 62
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 34 place count 22 transition count 62
Applied a total of 34 rules in 34 ms. Remains 22 /37 variables (removed 15) and now considering 62/53 (removed -9) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 62 rows 22 cols
[2026-05-28 04:35:35] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-28 04:35:35] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2026-05-28 04:35:35] [INFO ] After 38ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-28 04:35:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2026-05-28 04:35:35] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-28 04:35:35] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-28 04:35:35] [INFO ] After 3ms SMT Verify possible using 12 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-28 04:35:35] [INFO ] After 6ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-28 04:35:35] [INFO ] After 39ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-28 04:35:35] [INFO ] Flatten gal took : 14 ms
[2026-05-28 04:35:35] [INFO ] Flatten gal took : 5 ms
[2026-05-28 04:35:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14266002302958750095.gal : 8 ms
[2026-05-28 04:35:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9253974328076420246.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14266002302958750095.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9253974328076420246.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9253974328076420246.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 19
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :19 after 37
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :37 after 71
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :71 after 137
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :137 after 267
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :267 after 525
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :525 after 1039
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1039 after 2065
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2065 after 4115
Detected timeout of ITS tools.
[2026-05-28 04:35:50] [INFO ] Flatten gal took : 15 ms
[2026-05-28 04:35:50] [INFO ] Applying decomposition
[2026-05-28 04:35:50] [INFO ] Flatten gal took : 12 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph193884274985245602.txt' '-o' '/tmp/graph193884274985245602.bin' '-w' '/tmp/graph193884274985245602.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph193884274985245602.bin' '-l' '-1' '-v' '-w' '/tmp/graph193884274985245602.weights' '-q' '0' '-e' '0.001'
[2026-05-28 04:35:50] [INFO ] Decomposing Gal with order
[2026-05-28 04:35:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-28 04:35:50] [INFO ] Removed a total of 77 redundant transitions.
[2026-05-28 04:35:50] [INFO ] Flatten gal took : 53 ms
[2026-05-28 04:35:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 54 labels/synchronizations in 4 ms.
[2026-05-28 04:35:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12780275828127571812.gal : 1 ms
[2026-05-28 04:35:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15802173973153360708.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12780275828127571812.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15802173973153360708.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality15802173973153360708.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :520 after 1033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1033 after 2058
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :91243 after 183448
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2058 after 4107
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30510 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-28 04:36:05] [INFO ] Flatten gal took : 4 ms
[2026-05-28 04:36:05] [INFO ] Applying decomposition
[2026-05-28 04:36:05] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8396776306108298671.txt' '-o' '/tmp/graph8396776306108298671.bin' '-w' '/tmp/graph8396776306108298671.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8396776306108298671.bin' '-l' '-1' '-v' '-w' '/tmp/graph8396776306108298671.weights' '-q' '0' '-e' '0.001'
[2026-05-28 04:36:05] [INFO ] Decomposing Gal with order
[2026-05-28 04:36:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-28 04:36:05] [INFO ] Removed a total of 15 redundant transitions.
[2026-05-28 04:36:05] [INFO ] Flatten gal took : 6 ms
[2026-05-28 04:36:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 24 labels/synchronizations in 0 ms.
[2026-05-28 04:36:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17005698071344952373.gal : 1 ms
[2026-05-28 04:36:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12463937674898949875.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17005698071344952373.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12463937674898949875.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality12463937674898949875.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 30
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :30 after 60
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :60 after 60
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[24] Max Struct:[+inf]
Ending property specific reduction for Medical-PT-14-UpperBounds-13 in 106816 ms.
[2026-05-28 04:36:55] [INFO ] Flatten gal took : 12 ms
[2026-05-28 04:36:55] [INFO ] Applying decomposition
[2026-05-28 04:36:55] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13877349309065435192.txt' '-o' '/tmp/graph13877349309065435192.bin' '-w' '/tmp/graph13877349309065435192.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13877349309065435192.bin' '-l' '-1' '-v' '-w' '/tmp/graph13877349309065435192.weights' '-q' '0' '-e' '0.001'
[2026-05-28 04:36:55] [INFO ] Decomposing Gal with order
[2026-05-28 04:36:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-28 04:36:55] [INFO ] Removed a total of 15 redundant transitions.
[2026-05-28 04:36:55] [INFO ] Flatten gal took : 5 ms
[2026-05-28 04:36:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 24 labels/synchronizations in 1 ms.
[2026-05-28 04:36:55] [INFO ] Time to serialize gal into /tmp/UpperBounds11758717123187765982.gal : 1 ms
[2026-05-28 04:36:55] [INFO ] Time to serialize properties into /tmp/UpperBounds12541334451188873763.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds11758717123187765982.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12541334451188873763.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...285
Loading property file /tmp/UpperBounds12541334451188873763.prop.
Detected timeout of ITS tools.
[2026-05-28 04:57:56] [INFO ] Flatten gal took : 4 ms
[2026-05-28 04:57:56] [INFO ] Time to serialize gal into /tmp/UpperBounds17692051480721016155.gal : 1 ms
[2026-05-28 04:57:56] [INFO ] Time to serialize properties into /tmp/UpperBounds12406921679185353376.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds17692051480721016155.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12406921679185353376.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds12406921679185353376.prop.
Detected timeout of ITS tools.
[2026-05-28 05:18:56] [INFO ] Flatten gal took : 10 ms
[2026-05-28 05:18:56] [INFO ] Input system was already deterministic with 53 transitions.
[2026-05-28 05:18:56] [INFO ] Transformed 37 places.
[2026-05-28 05:18:56] [INFO ] Transformed 53 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-28 05:18:56] [INFO ] Time to serialize gal into /tmp/UpperBounds4740313011702518297.gal : 1 ms
[2026-05-28 05:18:56] [INFO ] Time to serialize properties into /tmp/UpperBounds4487464629205119769.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds4740313011702518297.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds4487464629205119769.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...349
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds4487464629205119769.prop.

BK_TIME_CONFINEMENT_REACHED

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Medical-PT-14"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is Medical-PT-14, 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 r191-oct2-177969025500007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Medical-PT-14.tgz
mv Medical-PT-14 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 ;