Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r159-tall-177961079800082.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is HealthRecord-PT-15, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079800082
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.8K Mar 7 13:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 13:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 13:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 13:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 13:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Mar 7 13:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 7 13:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 7 13:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:45 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 73K 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 HealthRecord-PT-15-UpperBounds-00
FORMULA_NAME HealthRecord-PT-15-UpperBounds-01
FORMULA_NAME HealthRecord-PT-15-UpperBounds-02
FORMULA_NAME HealthRecord-PT-15-UpperBounds-03
FORMULA_NAME HealthRecord-PT-15-UpperBounds-04
FORMULA_NAME HealthRecord-PT-15-UpperBounds-05
FORMULA_NAME HealthRecord-PT-15-UpperBounds-06
FORMULA_NAME HealthRecord-PT-15-UpperBounds-07
FORMULA_NAME HealthRecord-PT-15-UpperBounds-08
FORMULA_NAME HealthRecord-PT-15-UpperBounds-09
FORMULA_NAME HealthRecord-PT-15-UpperBounds-10
FORMULA_NAME HealthRecord-PT-15-UpperBounds-11
FORMULA_NAME HealthRecord-PT-15-UpperBounds-12
FORMULA_NAME HealthRecord-PT-15-UpperBounds-13
FORMULA_NAME HealthRecord-PT-15-UpperBounds-14
FORMULA_NAME HealthRecord-PT-15-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779707563933

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HealthRecord-PT-15
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 11:12:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 11:12:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:12:45] [INFO ] Load time of PNML (sax parser for PT used): 71 ms
[2026-05-25 11:12:45] [INFO ] Transformed 163 places.
[2026-05-25 11:12:45] [INFO ] Transformed 348 transitions.
[2026-05-25 11:12:45] [INFO ] Found NUPN structural information;
[2026-05-25 11:12:45] [INFO ] Parsed PT model containing 163 places and 348 transitions and 919 arcs in 157 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Ensure Unique test removed 29 transitions
Reduce redundant transitions removed 29 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-25 11:12:45] [INFO ] Flow matrix only has 307 transitions (discarded 12 similar events)
// Phase 1: matrix 307 rows 163 cols
[2026-05-25 11:12:45] [INFO ] Computed 18 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (922 resets) in 46 ms. (212 steps per ms)
FORMULA HealthRecord-PT-15-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100009 steps (1208 resets) in 110 ms. (900 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-25 11:12:45] [INFO ] Flow matrix only has 307 transitions (discarded 12 similar events)
[2026-05-25 11:12:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:45] [INFO ] [Real]Absence check using 10 positive place invariants in 12 ms returned sat
[2026-05-25 11:12:45] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 7 ms returned sat
[2026-05-25 11:12:45] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2026-05-25 11:12:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 11:12:45] [INFO ] [Real]Added 1 Read/Feed constraints in 6 ms returned sat
[2026-05-25 11:12:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:45] [INFO ] [Nat]Absence check using 10 positive place invariants in 8 ms returned sat
[2026-05-25 11:12:45] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:12:46] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 11:12:46] [INFO ] [Nat]Added 1 Read/Feed constraints in 3 ms returned sat
[2026-05-25 11:12:46] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 30 ms.
[2026-05-25 11:12:46] [INFO ] Added : 25 causal constraints over 5 iterations in 146 ms. Result :sat
Minimization took 125 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:46] [INFO ] [Real]Absence check using 10 positive place invariants in 8 ms returned sat
[2026-05-25 11:12:46] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:12:46] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2026-05-25 11:12:46] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 11:12:46] [INFO ] Deduced a trap composed of 30 places in 44 ms of which 7 ms to minimize.
[2026-05-25 11:12:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:46] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-25 11:12:46] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 5 ms returned sat
[2026-05-25 11:12:46] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2026-05-25 11:12:46] [INFO ] [Nat]Added 1 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 11:12:46] [INFO ] Deduced a trap composed of 30 places in 48 ms of which 3 ms to minimize.
[2026-05-25 11:12:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2026-05-25 11:12:46] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 22 ms.
[2026-05-25 11:12:47] [INFO ] Added : 16 causal constraints over 4 iterations in 175 ms. Result :sat
Minimization took 149 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:47] [INFO ] [Real]Absence check using 10 positive place invariants in 11 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:47] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 11:12:47] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 17 ms.
[2026-05-25 11:12:47] [INFO ] Added : 16 causal constraints over 4 iterations in 78 ms. Result :sat
Minimization took 129 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:47] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 11:12:47] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 5 ms to minimize.
[2026-05-25 11:12:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:47] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-25 11:12:47] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 11:12:48] [INFO ] Deduced a trap composed of 30 places in 43 ms of which 2 ms to minimize.
[2026-05-25 11:12:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2026-05-25 11:12:48] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 20 ms.
[2026-05-25 11:12:48] [INFO ] Added : 17 causal constraints over 4 iterations in 101 ms. Result :sat
Minimization took 146 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:48] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 6 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:48] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 17 ms.
[2026-05-25 11:12:48] [INFO ] Added : 13 causal constraints over 3 iterations in 75 ms. Result :sat
Minimization took 134 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:48] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-25 11:12:48] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:48] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 19 ms.
[2026-05-25 11:12:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:49] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:49] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 14 ms.
[2026-05-25 11:12:49] [INFO ] Added : 29 causal constraints over 7 iterations in 132 ms. Result :sat
Minimization took 140 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:49] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:49] [INFO ] [Nat]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:49] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 16 ms.
[2026-05-25 11:12:49] [INFO ] Added : 13 causal constraints over 3 iterations in 74 ms. Result :sat
Minimization took 158 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:49] [INFO ] [Real]Absence check using 10 positive place invariants in 8 ms returned sat
[2026-05-25 11:12:49] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:12:50] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 11:12:50] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:12:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:50] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-25 11:12:50] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:12:50] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-25 11:12:50] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:50] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 23 ms.
[2026-05-25 11:12:50] [INFO ] Added : 30 causal constraints over 7 iterations in 122 ms. Result :sat
Minimization took 160 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:50] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 11:12:50] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:12:50] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2026-05-25 11:12:50] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 11:12:50] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 18 ms.
[2026-05-25 11:12:50] [INFO ] Added : 20 causal constraints over 4 iterations in 96 ms. Result :sat
Minimization took 185 ms.
[2026-05-25 11:12:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:51] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 11:12:51] [INFO ] Deduced a trap composed of 30 places in 56 ms of which 3 ms to minimize.
[2026-05-25 11:12:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 93 ms
[2026-05-25 11:12:51] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 18 ms.
[2026-05-25 11:12:51] [INFO ] Added : 21 causal constraints over 5 iterations in 101 ms. Result :sat
Minimization took 140 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:51] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Real]Absence check using 10 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-25 11:12:51] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 17 ms.
[2026-05-25 11:12:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:12:51] [INFO ] [Nat]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Nat]Absence check using 10 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2026-05-25 11:12:51] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 11:12:51] [INFO ] Deduced a trap composed of 30 places in 39 ms of which 3 ms to minimize.
[2026-05-25 11:12:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2026-05-25 11:12:51] [INFO ] Computed and/alt/rep : 236/275/236 causal constraints (skipped 70 transitions) in 13 ms.
[2026-05-25 11:12:51] [INFO ] Added : 22 causal constraints over 5 iterations in 89 ms. Result :sat
Minimization took 147 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA HealthRecord-PT-15-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA HealthRecord-PT-15-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA HealthRecord-PT-15-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Support contains 7 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 319/319 transitions.
Graph (trivial) has 238 edges and 163 vertex of which 6 / 163 are part of one of the 3 SCC in 2 ms
Free SCC test removed 3 places
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Graph (complete) has 695 edges and 160 vertex of which 153 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 5 place count 153 transition count 297
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 11 place count 150 transition count 294
Discarding 83 places :
Symmetric choice reduction at 2 with 83 rule applications. Total rules 94 place count 67 transition count 129
Iterating global reduction 2 with 83 rules applied. Total rules applied 177 place count 67 transition count 129
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 178 place count 67 transition count 128
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 187 place count 58 transition count 110
Iterating global reduction 3 with 9 rules applied. Total rules applied 196 place count 58 transition count 110
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 205 place count 58 transition count 101
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 207 place count 56 transition count 95
Iterating global reduction 4 with 2 rules applied. Total rules applied 209 place count 56 transition count 95
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 211 place count 54 transition count 91
Iterating global reduction 4 with 2 rules applied. Total rules applied 213 place count 54 transition count 91
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 219 place count 54 transition count 85
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 223 place count 52 transition count 83
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -32
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 235 place count 46 transition count 115
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 236 place count 46 transition count 114
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 238 place count 45 transition count 127
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 240 place count 45 transition count 125
Free-agglomeration rule applied 2 times.
Iterating global reduction 5 with 2 rules applied. Total rules applied 242 place count 45 transition count 123
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 244 place count 43 transition count 123
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 245 place count 43 transition count 284
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 250 place count 42 transition count 280
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 7 with 4 rules applied. Total rules applied 254 place count 42 transition count 276
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 255 place count 41 transition count 220
Iterating global reduction 7 with 1 rules applied. Total rules applied 256 place count 41 transition count 220
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 257 place count 40 transition count 218
Iterating global reduction 7 with 1 rules applied. Total rules applied 258 place count 40 transition count 218
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 7 with 18 rules applied. Total rules applied 276 place count 40 transition count 200
Partial Free-agglomeration rule applied 11 times.
Drop transitions (Partial Free agglomeration) removed 11 transitions
Iterating global reduction 8 with 11 rules applied. Total rules applied 287 place count 40 transition count 200
Applied a total of 287 rules in 92 ms. Remains 40 /163 variables (removed 123) and now considering 200/319 (removed 119) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100 ms. Remains : 40/163 places, 200/319 transitions.
[2026-05-25 11:12:52] [INFO ] Flow matrix only has 149 transitions (discarded 51 similar events)
// Phase 1: matrix 149 rows 40 cols
[2026-05-25 11:12:52] [INFO ] Computed 11 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (93995 resets) in 2009 ms. (497 steps per ms)
FORMULA HealthRecord-PT-15-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA HealthRecord-PT-15-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (15439 resets) in 532 ms. (1876 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 11:12:54] [INFO ] Flow matrix only has 149 transitions (discarded 51 similar events)
[2026-05-25 11:12:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:12:54] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 11:12:54] [INFO ] [Real]Absence check using 3 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 11:12:55] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 11:12:55] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-25 11:12:55] [INFO ] [Real]Added 28 Read/Feed constraints in 3 ms returned sat
[2026-05-25 11:12:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:12:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 11:12:55] [INFO ] [Nat]Absence check using 3 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:12:55] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-25 11:12:55] [INFO ] [Nat]Added 28 Read/Feed constraints in 4 ms returned sat
[2026-05-25 11:12:55] [INFO ] Computed and/alt/rep : 33/216/33 causal constraints (skipped 100 transitions) in 13 ms.
[2026-05-25 11:12:55] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 200/200 transitions.
Graph (complete) has 239 edges and 40 vertex of which 38 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 37 transition count 198
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 37 transition count 198
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 5 place count 36 transition count 197
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 34 transition count 207
Partial Free-agglomeration rule applied 11 times.
Drop transitions (Partial Free agglomeration) removed 11 transitions
Iterating global reduction 0 with 11 rules applied. Total rules applied 20 place count 34 transition count 207
Applied a total of 20 rules in 18 ms. Remains 34 /40 variables (removed 6) and now considering 207/200 (removed -7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 34/40 places, 207/200 transitions.
[2026-05-25 11:12:55] [INFO ] Flow matrix only has 156 transitions (discarded 51 similar events)
// Phase 1: matrix 156 rows 34 cols
[2026-05-25 11:12:55] [INFO ] Computed 9 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (93003 resets) in 1892 ms. (528 steps per ms)
BEST_FIRST walk for 1000000 steps (15333 resets) in 466 ms. (2141 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 11:12:57] [INFO ] Flow matrix only has 156 transitions (discarded 51 similar events)
[2026-05-25 11:12:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:12:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 11:12:57] [INFO ] [Real]Absence check using 1 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:12:57] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 11:12:57] [INFO ] State equation strengthened by 44 read => feed constraints.
[2026-05-25 11:12:57] [INFO ] [Real]Added 44 Read/Feed constraints in 8 ms returned sat
[2026-05-25 11:12:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:12:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 11:12:57] [INFO ] [Nat]Absence check using 1 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 11:12:57] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-25 11:12:57] [INFO ] [Nat]Added 44 Read/Feed constraints in 7 ms returned sat
[2026-05-25 11:12:57] [INFO ] Computed and/alt/rep : 20/150/20 causal constraints (skipped 120 transitions) in 10 ms.
[2026-05-25 11:12:57] [INFO ] Added : 0 causal constraints over 0 iterations in 19 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[1]
Support contains 1 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 207/207 transitions.
Applied a total of 0 rules in 6 ms. Remains 34 /34 variables (removed 0) and now considering 207/207 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 34/34 places, 207/207 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 207/207 transitions.
Applied a total of 0 rules in 6 ms. Remains 34 /34 variables (removed 0) and now considering 207/207 (removed 0) transitions.
[2026-05-25 11:12:57] [INFO ] Flow matrix only has 156 transitions (discarded 51 similar events)
[2026-05-25 11:12:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:12:57] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-25 11:12:57] [INFO ] Flow matrix only has 156 transitions (discarded 51 similar events)
[2026-05-25 11:12:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:12:57] [INFO ] State equation strengthened by 44 read => feed constraints.
[2026-05-25 11:12:58] [INFO ] Implicit Places using invariants and state equation in 194 ms returned []
Implicit Place search using SMT with State Equation took 249 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 11:12:58] [INFO ] Redundant transitions in 46 ms returned []
Running 191 sub problems to find dead transitions.
[2026-05-25 11:12:58] [INFO ] Flow matrix only has 156 transitions (discarded 51 similar events)
[2026-05-25 11:12:58] [INFO ] Invariant cache hit.
[2026-05-25 11:12:58] [INFO ] State equation strengthened by 44 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (OVERLAPS) 2/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 191 unsolved
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
At refinement iteration 4 (OVERLAPS) 156/190 variables, 34/43 constraints. Problems are: Problem set: 11 solved, 180 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 44/87 constraints. Problems are: Problem set: 11 solved, 180 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 11:13:00] [INFO ] Deduced a trap composed of 9 places in 47 ms of which 2 ms to minimize.
Problem TDEAD21 is UNSAT
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/88 constraints. Problems are: Problem set: 12 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/88 constraints. Problems are: Problem set: 12 solved, 179 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/88 constraints. Problems are: Problem set: 12 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 88 constraints, problems are : Problem set: 12 solved, 179 unsolved in 6423 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 34/34 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 179 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 12 solved, 179 unsolved
At refinement iteration 1 (OVERLAPS) 3/33 variables, 1/1 constraints. Problems are: Problem set: 12 solved, 179 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/1 constraints. Problems are: Problem set: 12 solved, 179 unsolved
At refinement iteration 3 (OVERLAPS) 1/34 variables, 8/9 constraints. Problems are: Problem set: 12 solved, 179 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 1/10 constraints. Problems are: Problem set: 12 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 0/10 constraints. Problems are: Problem set: 12 solved, 179 unsolved
At refinement iteration 6 (OVERLAPS) 156/190 variables, 34/44 constraints. Problems are: Problem set: 12 solved, 179 unsolved
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 44/88 constraints. Problems are: Problem set: 18 solved, 173 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/190 variables, 173/261 constraints. Problems are: Problem set: 18 solved, 173 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/190 variables, 0/261 constraints. Problems are: Problem set: 18 solved, 173 unsolved
At refinement iteration 10 (OVERLAPS) 0/190 variables, 0/261 constraints. Problems are: Problem set: 18 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 261 constraints, problems are : Problem set: 18 solved, 173 unsolved in 11098 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 34/34 constraints, ReadFeed: 44/44 constraints, PredecessorRefiner: 173/191 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17835ms problems are : Problem set: 18 solved, 173 unsolved
Search for dead transitions found 18 dead transitions in 17854ms
Found 18 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 18 transitions
Dead transitions reduction (with SMT) removed 18 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 34/34 places, 189/207 transitions.
Graph (complete) has 151 edges and 34 vertex of which 32 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 6 ms. Remains 32 /34 variables (removed 2) and now considering 189/189 (removed 0) transitions.
[2026-05-25 11:13:15] [INFO ] Flow matrix only has 138 transitions (discarded 51 similar events)
// Phase 1: matrix 138 rows 32 cols
[2026-05-25 11:13:15] [INFO ] Computed 9 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:13:15] [INFO ] Implicit Places using invariants in 48 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 50 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 31/34 places, 189/207 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 45 transitions
Redundant transition composition rules discarded 45 transitions
Iterating global reduction 0 with 45 rules applied. Total rules applied 45 place count 31 transition count 144
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 54 place count 31 transition count 144
Applied a total of 54 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 144/189 (removed 45) transitions.
[2026-05-25 11:13:15] [INFO ] Flow matrix only has 138 transitions (discarded 6 similar events)
// Phase 1: matrix 138 rows 31 cols
[2026-05-25 11:13:15] [INFO ] Computed 8 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:13:16] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-25 11:13:16] [INFO ] Flow matrix only has 138 transitions (discarded 6 similar events)
[2026-05-25 11:13:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 11:13:16] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-25 11:13:16] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 31/34 places, 144/207 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 18357 ms. Remains : 31/34 places, 144/207 transitions.
[2026-05-25 11:13:16] [INFO ] Flow matrix only has 138 transitions (discarded 6 similar events)
[2026-05-25 11:13:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[1]
FORMULA HealthRecord-PT-15-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (79791 resets) in 1308 ms. (763 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-25 11:13:17] [INFO ] Flatten gal took : 44 ms
[2026-05-25 11:13:17] [INFO ] Flatten gal took : 17 ms
[2026-05-25 11:13:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10962613487965060299.gal : 10 ms
[2026-05-25 11:13:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1885991071075772476.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/ReachabilityCardinality10962613487965060299.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1885991071075772476.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 32562 ms.

BK_STOP 1779707597756

--------------------
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="HealthRecord-PT-15"
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 HealthRecord-PT-15, 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 r159-tall-177961079800082"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-15.tgz
mv HealthRecord-PT-15 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 ;