About the Execution of 2025-gold for DBSingleClientW-PT-d0m07
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1714.827 | 120648.00 | 147822.00 | 466.90 | 0 0 1 0 0 0 0 0 0 1 0 0 0 0 1 5 | normal |
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.r095-smll-177946996300014.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 DBSingleClientW-PT-d0m07, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300014
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.5K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 119K 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 DBSingleClientW-PT-d0m07-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d0m07-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779524987358
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d0m07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 08:29:49] [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]
[2026-05-23 08:29:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:29:50] [INFO ] Load time of PNML (sax parser for PT used): 164 ms
[2026-05-23 08:29:50] [INFO ] Transformed 553 places.
[2026-05-23 08:29:50] [INFO ] Transformed 150 transitions.
[2026-05-23 08:29:50] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 365 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Deduced a syphon composed of 444 places in 2 ms
Reduce places removed 444 places and 0 transitions.
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
// Phase 1: matrix 150 rows 109 cols
[2026-05-23 08:29:50] [INFO ] Computed 6 invariants in 23 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[6, 7, 6, 7]
RANDOM walk for 10000 steps (2318 resets) in 66 ms. (149 steps per ms)
BEST_FIRST walk for 40002 steps (3973 resets) in 98 ms. (404 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 1, 2] Max Struct:[6, 7, 6, 7]
[2026-05-23 08:29:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:29:50] [INFO ] [Real]Absence check using 2 positive place invariants in 12 ms returned sat
[2026-05-23 08:29:50] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 08:29:50] [INFO ] [Real]Absence check using state equation in 181 ms returned sat
[2026-05-23 08:29:50] [INFO ] State equation strengthened by 74 read => feed constraints.
[2026-05-23 08:29:50] [INFO ] [Real]Added 74 Read/Feed constraints in 34 ms returned sat
[2026-05-23 08:29:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:29:51] [INFO ] [Nat]Absence check using 2 positive place invariants in 10 ms returned sat
[2026-05-23 08:29:51] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned sat
[2026-05-23 08:29:51] [INFO ] [Nat]Absence check using state equation in 165 ms returned sat
[2026-05-23 08:29:51] [INFO ] [Nat]Added 74 Read/Feed constraints in 33 ms returned sat
[2026-05-23 08:29:51] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 51 ms.
[2026-05-23 08:29:51] [INFO ] Added : 2 causal constraints over 1 iterations in 124 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:29:51] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 08:29:51] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2026-05-23 08:29:51] [INFO ] [Real]Absence check using state equation in 157 ms returned sat
[2026-05-23 08:29:51] [INFO ] [Real]Added 74 Read/Feed constraints in 28 ms returned sat
[2026-05-23 08:29:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:29:51] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 08:29:51] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Nat]Added 74 Read/Feed constraints in 22 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:29:52] [INFO ] Deduced a trap composed of 34 places in 145 ms of which 20 ms to minimize.
[2026-05-23 08:29:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 190 ms
[2026-05-23 08:29:52] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 29 ms.
[2026-05-23 08:29:52] [INFO ] Added : 5 causal constraints over 1 iterations in 71 ms. Result :sat
Minimization took 103 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:29:52] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:29:52] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Real]Added 74 Read/Feed constraints in 28 ms returned sat
[2026-05-23 08:29:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:29:52] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2026-05-23 08:29:52] [INFO ] [Nat]Added 74 Read/Feed constraints in 22 ms returned sat
[2026-05-23 08:29:52] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 32 ms.
[2026-05-23 08:29:53] [INFO ] Added : 1 causal constraints over 1 iterations in 69 ms. Result :sat
Minimization took 66 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 1, 2] Max Struct:[6, 7, 1, 7]
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 2] Max Struct:[6, 7, 7]
Support contains 3 out of 109 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 150/150 transitions.
Graph (complete) has 332 edges and 109 vertex of which 102 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.2 ms
Discarding 7 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 102 transition count 144
Discarding 24 places :
Symmetric choice reduction at 1 with 24 rule applications. Total rules 31 place count 78 transition count 96
Iterating global reduction 1 with 24 rules applied. Total rules applied 55 place count 78 transition count 96
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 56 place count 78 transition count 95
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 67 place count 67 transition count 84
Iterating global reduction 2 with 11 rules applied. Total rules applied 78 place count 67 transition count 84
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 80 place count 67 transition count 82
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 82 place count 65 transition count 79
Iterating global reduction 3 with 2 rules applied. Total rules applied 84 place count 65 transition count 79
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 85 place count 65 transition count 78
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 86 place count 64 transition count 76
Iterating global reduction 4 with 1 rules applied. Total rules applied 87 place count 64 transition count 76
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 88 place count 63 transition count 75
Iterating global reduction 4 with 1 rules applied. Total rules applied 89 place count 63 transition count 75
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 90 place count 62 transition count 74
Iterating global reduction 4 with 1 rules applied. Total rules applied 91 place count 62 transition count 74
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 93 place count 62 transition count 72
Applied a total of 93 rules in 66 ms. Remains 62 /109 variables (removed 47) and now considering 72/150 (removed 78) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 62/109 places, 72/150 transitions.
// Phase 1: matrix 72 rows 62 cols
[2026-05-23 08:29:53] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 2] Max Struct:[6, 7, 7]
RANDOM walk for 1000000 steps (229012 resets) in 1749 ms. (571 steps per ms)
BEST_FIRST walk for 3000002 steps (304264 resets) in 1806 ms. (1660 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 3] Max Struct:[6, 7, 7]
[2026-05-23 08:29:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:29:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:29:56] [INFO ] [Real]Absence check using state equation in 25 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:29:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:29:56] [INFO ] [Real]Absence check using state equation in 25 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:29:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-23 08:29:56] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-23 08:29:56] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:29:56] [INFO ] [Real]Added 21 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:29:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:29:57] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:29:57] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-23 08:29:57] [INFO ] [Nat]Added 21 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:29:57] [INFO ] Computed and/alt/rep : 20/43/20 causal constraints (skipped 51 transitions) in 10 ms.
[2026-05-23 08:29:57] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 41 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 3] Max Struct:[1, 1, 7]
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[7]
Support contains 1 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 72/72 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 61 transition count 71
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 61 transition count 71
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 60 transition count 68
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 60 transition count 68
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 59 transition count 67
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 59 transition count 67
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 58 transition count 66
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 58 transition count 66
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 58 transition count 64
Applied a total of 10 rules in 18 ms. Remains 58 /62 variables (removed 4) and now considering 64/72 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 58/62 places, 64/72 transitions.
// Phase 1: matrix 64 rows 58 cols
[2026-05-23 08:29:57] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[7]
RANDOM walk for 1000000 steps (229187 resets) in 1290 ms. (774 steps per ms)
BEST_FIRST walk for 1000000 steps (102513 resets) in 509 ms. (1960 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[7]
[2026-05-23 08:29:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:29:59] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:29:59] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-23 08:29:59] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:29:59] [INFO ] [Real]Added 20 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:29:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:29:59] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:29:59] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-23 08:29:59] [INFO ] [Nat]Added 20 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:29:59] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 45 transitions) in 10 ms.
[2026-05-23 08:29:59] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[7]
Support contains 1 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 5 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 58/58 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 5 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2026-05-23 08:29:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:29:59] [INFO ] Implicit Places using invariants in 88 ms returned []
[2026-05-23 08:29:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:29:59] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:29:59] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 334 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:29:59] [INFO ] Redundant transitions in 2 ms returned []
Running 63 sub problems to find dead transitions.
[2026-05-23 08:29:59] [INFO ] Invariant cache hit.
[2026-05-23 08:29:59] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (OVERLAPS) 1/57 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 64/121 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:30:01] [INFO ] Deduced a trap composed of 9 places in 84 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (OVERLAPS) 1/122 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:30:02] [INFO ] Deduced a trap composed of 9 places in 96 ms of which 11 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 82 constraints, problems are : Problem set: 0 solved, 63 unsolved in 4490 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 1/57 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (OVERLAPS) 64/121 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 20/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 59/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (OVERLAPS) 1/122 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 4/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 145 constraints, problems are : Problem set: 0 solved, 63 unsolved in 14479 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19138ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 19163ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19531 ms. Remains : 58/58 places, 64/64 transitions.
[2026-05-23 08:30:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[7]
RANDOM walk for 1000000 steps (229640 resets) in 1379 ms. (724 steps per ms)
BEST_FIRST walk for 1000001 steps (102202 resets) in 458 ms. (2178 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[7]
[2026-05-23 08:30:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:30:20] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:30:20] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-23 08:30:20] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:30:20] [INFO ] [Real]Added 20 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:30:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:30:20] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:30:20] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2026-05-23 08:30:20] [INFO ] [Nat]Added 20 Read/Feed constraints in 4 ms returned sat
[2026-05-23 08:30:20] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 45 transitions) in 7 ms.
[2026-05-23 08:30:20] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[7]
Support contains 1 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 6 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 58/58 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 5 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2026-05-23 08:30:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:30:20] [INFO ] Implicit Places using invariants in 91 ms returned []
[2026-05-23 08:30:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:30:20] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:30:21] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:30:21] [INFO ] Redundant transitions in 1 ms returned []
Running 63 sub problems to find dead transitions.
[2026-05-23 08:30:21] [INFO ] Invariant cache hit.
[2026-05-23 08:30:21] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (OVERLAPS) 1/57 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 64/121 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:30:22] [INFO ] Deduced a trap composed of 9 places in 76 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (OVERLAPS) 1/122 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:30:23] [INFO ] Deduced a trap composed of 9 places in 56 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 82 constraints, problems are : Problem set: 0 solved, 63 unsolved in 3395 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 1/57 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (OVERLAPS) 64/121 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 20/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 59/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (OVERLAPS) 1/122 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 4/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 145 constraints, problems are : Problem set: 0 solved, 63 unsolved in 13234 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16697ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 16699ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16938 ms. Remains : 58/58 places, 64/64 transitions.
RANDOM walk for 40000 steps (9235 resets) in 770 ms. (51 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (4216 resets) in 287 ms. (138 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (4101 resets) in 214 ms. (186 steps per ms) remains 2/2 properties
[2026-05-23 08:30:38] [INFO ] Flatten gal took : 70 ms
[2026-05-23 08:30:38] [INFO ] Flatten gal took : 29 ms
[2026-05-23 08:30:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7663699280959137136.gal : 10 ms
[2026-05-23 08:30:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7814585778434921691.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/ReachabilityCardinality7663699280959137136.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7814585778434921691.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/ReachabilityCardinality7814585778434921691.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 22
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :22 after 74
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :74 after 150
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :150 after 340
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :340 after 1308
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1308 after 7390
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7390 after 10636
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :10636 after 23738
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :23738 after 68036
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :68036 after 205934
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :205934 after 486152
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,744824,0.709298,18352,2,6143,18,55862,7,0,296,54962,0
Total reachable state count : 744824
Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.711321,18480,1,0,18,55862,7,0,297,54962,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,20,0.71195,18480,2,108,18,55862,8,0,299,54962,0
Probably explored full state space saw : 744663 states, properties seen :1
Probabilistic random walk after 1921183 steps, saw 744663 distinct states, run finished after 2304 ms. (steps per millisecond=833 ) properties seen :1
Explored full state space saw : 744824 states, properties seen :0
Exhaustive walk after 1921499 steps, saw 744824 distinct states, run finished after 2105 ms. (steps per millisecond=912 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[7]
Starting property specific reduction for DBSingleClientW-PT-d0m07-UpperBounds-15
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:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
[2026-05-23 08:30:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2303 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10000 steps (1071 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[7]
[2026-05-23 08:30:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:30:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:30:42] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-23 08:30:42] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:30:42] [INFO ] [Real]Added 20 Read/Feed constraints in 8 ms returned sat
[2026-05-23 08:30:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:30:42] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:30:42] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-23 08:30:42] [INFO ] [Nat]Added 20 Read/Feed constraints in 7 ms returned sat
[2026-05-23 08:30:42] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 45 transitions) in 9 ms.
[2026-05-23 08:30:42] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[7]
Support contains 1 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 5 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 58/58 places, 64/64 transitions.
[2026-05-23 08:30:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[7]
RANDOM walk for 1000000 steps (229263 resets) in 1120 ms. (892 steps per ms)
BEST_FIRST walk for 1000001 steps (102410 resets) in 522 ms. (1912 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[7]
[2026-05-23 08:30:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:30:44] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:30:44] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-23 08:30:44] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:30:44] [INFO ] [Real]Added 20 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:30:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:30:44] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:30:44] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2026-05-23 08:30:44] [INFO ] [Nat]Added 20 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:30:44] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 45 transitions) in 9 ms.
[2026-05-23 08:30:44] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[7]
Support contains 1 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 5 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 58/58 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 6 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2026-05-23 08:30:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:30:44] [INFO ] Implicit Places using invariants in 95 ms returned []
[2026-05-23 08:30:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:30:44] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:30:45] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:30:45] [INFO ] Redundant transitions in 1 ms returned []
Running 63 sub problems to find dead transitions.
[2026-05-23 08:30:45] [INFO ] Invariant cache hit.
[2026-05-23 08:30:45] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (OVERLAPS) 1/57 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 64/121 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:30:46] [INFO ] Deduced a trap composed of 9 places in 50 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (OVERLAPS) 1/122 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:30:47] [INFO ] Deduced a trap composed of 9 places in 80 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 82 constraints, problems are : Problem set: 0 solved, 63 unsolved in 4174 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 1/57 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (OVERLAPS) 64/121 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 20/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 59/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (OVERLAPS) 1/122 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 4/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 145 constraints, problems are : Problem set: 0 solved, 63 unsolved in 14337 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18560ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 18561ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18872 ms. Remains : 58/58 places, 64/64 transitions.
[2026-05-23 08:31:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[7]
RANDOM walk for 1000000 steps (229186 resets) in 880 ms. (1135 steps per ms)
BEST_FIRST walk for 1000000 steps (102509 resets) in 475 ms. (2100 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[7]
[2026-05-23 08:31:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:31:05] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:31:05] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-23 08:31:05] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:31:05] [INFO ] [Real]Added 20 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:31:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:31:05] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:31:05] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-23 08:31:05] [INFO ] [Nat]Added 20 Read/Feed constraints in 7 ms returned sat
[2026-05-23 08:31:05] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 45 transitions) in 10 ms.
[2026-05-23 08:31:05] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[7]
Support contains 1 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 7 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 58/58 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 6 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2026-05-23 08:31:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:31:05] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-23 08:31:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:31:05] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:31:05] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 254 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:31:05] [INFO ] Redundant transitions in 2 ms returned []
Running 63 sub problems to find dead transitions.
[2026-05-23 08:31:05] [INFO ] Invariant cache hit.
[2026-05-23 08:31:05] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (OVERLAPS) 1/57 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 64/121 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:31:07] [INFO ] Deduced a trap composed of 9 places in 72 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (OVERLAPS) 1/122 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:31:08] [INFO ] Deduced a trap composed of 9 places in 64 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 82 constraints, problems are : Problem set: 0 solved, 63 unsolved in 4123 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 1/57 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (OVERLAPS) 64/121 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 20/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 59/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (OVERLAPS) 1/122 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 4/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 145 constraints, problems are : Problem set: 0 solved, 63 unsolved in 13420 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17582ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 17583ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17851 ms. Remains : 58/58 places, 64/64 transitions.
[2026-05-23 08:31:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[7]
RANDOM walk for 1000000 steps (228720 resets) in 893 ms. (1118 steps per ms)
BEST_FIRST walk for 1000000 steps (102723 resets) in 452 ms. (2207 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[7]
[2026-05-23 08:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:31:24] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:31:24] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-23 08:31:24] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:31:24] [INFO ] [Real]Added 20 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:31:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:31:24] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:31:24] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2026-05-23 08:31:24] [INFO ] [Nat]Added 20 Read/Feed constraints in 4 ms returned sat
[2026-05-23 08:31:24] [INFO ] Computed and/alt/rep : 18/35/18 causal constraints (skipped 45 transitions) in 8 ms.
[2026-05-23 08:31:24] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[7]
Support contains 1 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 5 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 58/58 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 64/64 transitions.
Applied a total of 0 rules in 4 ms. Remains 58 /58 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2026-05-23 08:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:31:24] [INFO ] Implicit Places using invariants in 97 ms returned []
[2026-05-23 08:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:31:24] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 08:31:24] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 245 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:31:24] [INFO ] Redundant transitions in 1 ms returned []
Running 63 sub problems to find dead transitions.
[2026-05-23 08:31:24] [INFO ] Invariant cache hit.
[2026-05-23 08:31:24] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (OVERLAPS) 1/57 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 64/121 variables, 57/59 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/121 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:31:26] [INFO ] Deduced a trap composed of 9 places in 59 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (OVERLAPS) 1/122 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:31:27] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 82 constraints, problems are : Problem set: 0 solved, 63 unsolved in 4251 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/56 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 1/57 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (OVERLAPS) 64/121 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/121 variables, 20/81 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 59/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (OVERLAPS) 1/122 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 4/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 145 constraints, problems are : Problem set: 0 solved, 63 unsolved in 13910 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18182ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 18182ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18439 ms. Remains : 58/58 places, 64/64 transitions.
[2026-05-23 08:31:43] [INFO ] Flatten gal took : 33 ms
[2026-05-23 08:31:43] [INFO ] Flatten gal took : 26 ms
[2026-05-23 08:31:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18103259064060696154.gal : 8 ms
[2026-05-23 08:31:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17118744265616076607.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/ReachabilityCardinality18103259064060696154.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17118744265616076607.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 ...330
RANDOM walk for 40000 steps (9128 resets) in 206 ms. (193 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality17118744265616076607.prop.
BEST_FIRST walk for 40001 steps (4130 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 22
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :22 after 74
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :74 after 150
BEST_FIRST walk for 40001 steps (4075 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :150 after 340
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :340 after 1308
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1308 after 7390
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7390 after 10636
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :10636 after 23738
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :23738 after 68036
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :68036 after 205934
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :205934 after 486152
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,744824,0.677584,18348,2,6143,18,55862,7,0,296,54962,0
Total reachable state count : 744824
Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.679603,18348,1,0,18,55862,7,0,297,54962,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,20,0.680532,18476,2,108,18,55862,8,0,299,54962,0
ITS tools runner thread asked to quit. Dying gracefully.
Probably explored full state space saw : 744663 states, properties seen :1
Probabilistic random walk after 1921183 steps, saw 744663 distinct states, run finished after 2232 ms. (steps per millisecond=860 ) properties seen :1
Explored full state space saw : 744824 states, properties seen :0
Exhaustive walk after 1921499 steps, saw 744824 distinct states, run finished after 1593 ms. (steps per millisecond=1206 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d0m07-UpperBounds-15 in 64533 ms.
[2026-05-23 08:31:47] [INFO ] Flatten gal took : 11 ms
[2026-05-23 08:31:47] [INFO ] Applying decomposition
[2026-05-23 08:31:47] [INFO ] Flatten gal took : 9 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/graph8649779476138839359.txt' '-o' '/tmp/graph8649779476138839359.bin' '-w' '/tmp/graph8649779476138839359.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8649779476138839359.bin' '-l' '-1' '-v' '-w' '/tmp/graph8649779476138839359.weights' '-q' '0' '-e' '0.001'
[2026-05-23 08:31:47] [INFO ] Decomposing Gal with order
[2026-05-23 08:31:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:31:47] [INFO ] Removed a total of 64 redundant transitions.
[2026-05-23 08:31:47] [INFO ] Flatten gal took : 64 ms
[2026-05-23 08:31:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 44 labels/synchronizations in 12 ms.
[2026-05-23 08:31:47] [INFO ] Time to serialize gal into /tmp/UpperBounds15330400686858927062.gal : 6 ms
[2026-05-23 08:31:47] [INFO ] Time to serialize properties into /tmp/UpperBounds8802481404300677670.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/UpperBounds15330400686858927062.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8802481404300677670.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 ...284
Loading property file /tmp/UpperBounds8802481404300677670.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,744824,0.436808,16296,869,257,16893,2038,220,70418,56,11159,0
Total reachable state count : 744824
Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 5
Bounds property DBSingleClientW-PT-d0m07-UpperBounds-15 :0 <= i0.u5.l377 <= 5
FORMULA DBSingleClientW-PT-d0m07-UpperBounds-15 5 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d0m07-UpperBounds-15,0,0.517702,16296,1,0,16893,2993,301,70418,73,19857,691
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 118270 ms.
BK_STOP 1779525108006
--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="DBSingleClientW-PT-d0m07"
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 DBSingleClientW-PT-d0m07, 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 r095-smll-177946996300014"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m07.tgz
mv DBSingleClientW-PT-d0m07 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 '
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 ;