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-177946996300030.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-d2m09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300030
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 8.9K Mar 6 18:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 6 18:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 18:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 18:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Mar 6 18:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 6 18:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 18:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:51 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 1.6M 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-d2m09-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m09-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779526635950

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 08:57:17] [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 08:57:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:57:18] [INFO ] Load time of PNML (sax parser for PT used): 403 ms
[2026-05-23 08:57:18] [INFO ] Transformed 4763 places.
[2026-05-23 08:57:18] [INFO ] Transformed 2478 transitions.
[2026-05-23 08:57:18] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 581 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Deduced a syphon composed of 3580 places in 24 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0] Max Struct:[+inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0] Max Struct:[+inf, +inf]
// Phase 1: matrix 2478 rows 1183 cols
[2026-05-23 08:57:18] [INFO ] Computed 6 invariants in 225 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[3032, 3032]
RANDOM walk for 10000 steps (2245 resets) in 815 ms. (12 steps per ms)
BEST_FIRST walk for 20001 steps (1832 resets) in 307 ms. (64 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[3032, 3032]
[2026-05-23 08:57:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:57:21] [INFO ] [Real]Absence check using 2 positive place invariants in 36 ms returned sat
[2026-05-23 08:57:21] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 29 ms returned sat
[2026-05-23 08:57:23] [INFO ] [Real]Absence check using state equation in 1775 ms returned sat
[2026-05-23 08:57:23] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2026-05-23 08:57:25] [INFO ] [Real]Added 1588 Read/Feed constraints in 1545 ms returned sat
[2026-05-23 08:57:25] [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 08:57:25] [INFO ] [Nat]Absence check using 2 positive place invariants in 27 ms returned sat
[2026-05-23 08:57:25] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 20 ms returned sat
[2026-05-23 08:57:26] [INFO ] [Nat]Absence check using state equation in 1159 ms returned sat
[2026-05-23 08:57:28] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1228 ms returned sat
[2026-05-23 08:57:29] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1339 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:57:30] [INFO ] [Real]Absence check using 2 positive place invariants in 25 ms returned sat
[2026-05-23 08:57:30] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-23 08:57:32] [INFO ] [Real]Absence check using state equation in 1297 ms returned sat
[2026-05-23 08:57:33] [INFO ] [Real]Added 1588 Read/Feed constraints in 1294 ms returned sat
[2026-05-23 08:57:33] [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 08:57:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 26 ms returned sat
[2026-05-23 08:57:34] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 31 ms returned sat
[2026-05-23 08:57:35] [INFO ] [Nat]Absence check using state equation in 1450 ms returned sat
[2026-05-23 08:57:37] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 08:57:37] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2216 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[3032, 3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[3032, 3032]
Support contains 2 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.18 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 391 places :
Symmetric choice reduction at 1 with 391 rule applications. Total rules 609 place count 745 transition count 1200
Iterating global reduction 1 with 391 rules applied. Total rules applied 1000 place count 745 transition count 1200
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1009 place count 745 transition count 1191
Discarding 316 places :
Symmetric choice reduction at 2 with 316 rule applications. Total rules 1325 place count 429 transition count 875
Iterating global reduction 2 with 316 rules applied. Total rules applied 1641 place count 429 transition count 875
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1653 place count 429 transition count 863
Discarding 240 places :
Symmetric choice reduction at 3 with 240 rule applications. Total rules 1893 place count 189 transition count 521
Iterating global reduction 3 with 240 rules applied. Total rules applied 2133 place count 189 transition count 521
Ensure Unique test removed 211 transitions
Reduce isomorphic transitions removed 211 transitions.
Iterating post reduction 3 with 211 rules applied. Total rules applied 2344 place count 189 transition count 310
Discarding 24 places :
Symmetric choice reduction at 4 with 24 rule applications. Total rules 2368 place count 165 transition count 272
Iterating global reduction 4 with 24 rules applied. Total rules applied 2392 place count 165 transition count 272
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2398 place count 165 transition count 266
Discarding 17 places :
Symmetric choice reduction at 5 with 17 rule applications. Total rules 2415 place count 148 transition count 249
Iterating global reduction 5 with 17 rules applied. Total rules applied 2432 place count 148 transition count 249
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2436 place count 148 transition count 245
Discarding 14 places :
Symmetric choice reduction at 6 with 14 rule applications. Total rules 2450 place count 134 transition count 231
Iterating global reduction 6 with 14 rules applied. Total rules applied 2464 place count 134 transition count 231
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 2477 place count 134 transition count 218
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 2484 place count 127 transition count 182
Iterating global reduction 7 with 7 rules applied. Total rules applied 2491 place count 127 transition count 182
Applied a total of 2491 rules in 554 ms. Remains 127 /1183 variables (removed 1056) and now considering 182/2478 (removed 2296) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 572 ms. Remains : 127/1183 places, 182/2478 transitions.
// Phase 1: matrix 182 rows 127 cols
[2026-05-23 08:57:38] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[3032, 3032]
RANDOM walk for 1000000 steps (229614 resets) in 2257 ms. (442 steps per ms)
BEST_FIRST walk for 2000002 steps (190921 resets) in 2144 ms. (932 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0] Max Struct:[3032, 3032]
[2026-05-23 08:57:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:57:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:57:42] [INFO ] [Real]Absence check using state equation in 97 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:57:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:57:42] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2026-05-23 08:57:42] [INFO ] State equation strengthened by 61 read => feed constraints.
[2026-05-23 08:57:43] [INFO ] [Real]Added 61 Read/Feed constraints in 15 ms returned sat
[2026-05-23 08:57:43] [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 08:57:43] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:57:43] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2026-05-23 08:57:43] [INFO ] [Nat]Added 61 Read/Feed constraints in 24 ms returned sat
[2026-05-23 08:57:43] [INFO ] Computed and/alt/rep : 49/119/49 causal constraints (skipped 132 transitions) in 23 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:57:43] [INFO ] Deduced a trap composed of 14 places in 188 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:57:43] [INFO ] Deduced a trap composed of 11 places in 113 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:57:44] [INFO ] Deduced a trap composed of 14 places in 114 ms of which 12 ms to minimize.
[2026-05-23 08:57:44] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 690 ms
[2026-05-23 08:57:44] [INFO ] Added : 24 causal constraints over 6 iterations in 1119 ms. Result :sat
Minimization took 140 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0] Max Struct:[1, 3032]
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3032]
Support contains 1 out of 127 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 182/182 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 126 transition count 181
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 126 transition count 181
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 126 transition count 180
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 125 transition count 178
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 125 transition count 178
Applied a total of 5 rules in 27 ms. Remains 125 /127 variables (removed 2) and now considering 178/182 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 125/127 places, 178/182 transitions.
// Phase 1: matrix 178 rows 125 cols
[2026-05-23 08:57:44] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3032]
RANDOM walk for 1000000 steps (229459 resets) in 2193 ms. (455 steps per ms)
BEST_FIRST walk for 1000000 steps (95444 resets) in 1034 ms. (966 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3032]
[2026-05-23 08:57:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:57:47] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:57:47] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2026-05-23 08:57:47] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-23 08:57:48] [INFO ] [Real]Added 58 Read/Feed constraints in 33 ms returned sat
[2026-05-23 08:57:48] [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 08:57:48] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 8 ms returned sat
[2026-05-23 08:57:48] [INFO ] [Nat]Absence check using state equation in 136 ms returned sat
[2026-05-23 08:57:48] [INFO ] [Nat]Added 58 Read/Feed constraints in 39 ms returned sat
[2026-05-23 08:57:48] [INFO ] Computed and/alt/rep : 49/117/49 causal constraints (skipped 128 transitions) in 26 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:57:48] [INFO ] Deduced a trap composed of 11 places in 149 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:57:48] [INFO ] Deduced a trap composed of 11 places in 116 ms of which 11 ms to minimize.
[2026-05-23 08:57:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 328 ms
[2026-05-23 08:57:48] [INFO ] Added : 16 causal constraints over 4 iterations in 521 ms. Result :sat
Minimization took 119 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3032]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 14 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 125/125 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 11 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-23 08:57:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:57:49] [INFO ] Implicit Places using invariants in 193 ms returned []
[2026-05-23 08:57:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:57:49] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-23 08:57:49] [INFO ] Implicit Places using invariants and state equation in 586 ms returned []
Implicit Place search using SMT with State Equation took 784 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:57:49] [INFO ] Redundant transitions in 11 ms returned []
Running 177 sub problems to find dead transitions.
[2026-05-23 08:57:49] [INFO ] Invariant cache hit.
[2026-05-23 08:57:50] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 185 constraints, problems are : Problem set: 0 solved, 177 unsolved in 13574 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 177/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 362 constraints, problems are : Problem set: 0 solved, 177 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44074ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 44092ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44922 ms. Remains : 125/125 places, 178/178 transitions.
RANDOM walk for 40000 steps (9168 resets) in 1381 ms. (28 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3803 resets) in 741 ms. (53 steps per ms) remains 2/2 properties
[2026-05-23 08:58:34] [INFO ] Flatten gal took : 125 ms
[2026-05-23 08:58:34] [INFO ] Flatten gal took : 47 ms
[2026-05-23 08:58:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12778203017007776124.gal : 16 ms
[2026-05-23 08:58:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6559835438618083565.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12778203017007776124.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6559835438618083565.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6559835438618083565.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 30
BEST_FIRST walk for 40002 steps (3814 resets) in 682 ms. (58 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 294
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 528
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :528 after 942
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :942 after 4688
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4688 after 18830
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :18830 after 224574
Interrupted probabilistic random walk after 1463025 steps, run timeout after 3001 ms. (steps per millisecond=487 ) properties seen :1 out of 2
Probabilistic random walk after 1463025 steps, saw 616400 distinct states, run finished after 3008 ms. (steps per millisecond=486 ) properties seen :1
[2026-05-23 08:58:38] [INFO ] Invariant cache hit.
[2026-05-23 08:58:38] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 131/134 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 72/206 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/221 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 303/303 variables, and 136 constraints, problems are : Problem set: 1 solved, 0 unsolved in 227 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 9/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 239ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[3032]
Starting property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-06
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:[3032]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3032]
[2026-05-23 08:58:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3032]
RANDOM walk for 10000 steps (2322 resets) in 20 ms. (476 steps per ms)
BEST_FIRST walk for 10000 steps (915 resets) in 23 ms. (416 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3032]
[2026-05-23 08:58:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:58:38] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:58:38] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2026-05-23 08:58:38] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-23 08:58:38] [INFO ] [Real]Added 58 Read/Feed constraints in 37 ms returned sat
[2026-05-23 08:58:38] [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 08:58:38] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:58:38] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2026-05-23 08:58:38] [INFO ] [Nat]Added 58 Read/Feed constraints in 52 ms returned sat
[2026-05-23 08:58:38] [INFO ] Computed and/alt/rep : 49/117/49 causal constraints (skipped 128 transitions) in 38 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:58:39] [INFO ] Deduced a trap composed of 11 places in 145 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:58:39] [INFO ] Deduced a trap composed of 11 places in 141 ms of which 12 ms to minimize.
[2026-05-23 08:58:39] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 364 ms
[2026-05-23 08:58:39] [INFO ] Added : 16 causal constraints over 4 iterations in 646 ms. Result :sat
Minimization took 94 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3032]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 16 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 125/125 places, 178/178 transitions.
[2026-05-23 08:58:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3032]
RANDOM walk for 1000000 steps (230153 resets) in 2150 ms. (464 steps per ms)
BEST_FIRST walk for 1000001 steps (95899 resets) in 846 ms. (1180 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3032]
[2026-05-23 08:58:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:58:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:58:42] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2026-05-23 08:58:42] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-23 08:58:42] [INFO ] [Real]Added 58 Read/Feed constraints in 26 ms returned sat
[2026-05-23 08:58:42] [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 08:58:42] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:58:43] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-23 08:58:43] [INFO ] [Nat]Added 58 Read/Feed constraints in 29 ms returned sat
[2026-05-23 08:58:43] [INFO ] Computed and/alt/rep : 49/117/49 causal constraints (skipped 128 transitions) in 19 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:58:43] [INFO ] Deduced a trap composed of 11 places in 125 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:58:43] [INFO ] Deduced a trap composed of 11 places in 150 ms of which 12 ms to minimize.
[2026-05-23 08:58:43] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 325 ms
[2026-05-23 08:58:43] [INFO ] Added : 16 causal constraints over 4 iterations in 492 ms. Result :sat
Minimization took 93 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3032]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3032]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 7 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 125/125 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 8 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-23 08:58:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:58:43] [INFO ] Implicit Places using invariants in 113 ms returned []
[2026-05-23 08:58:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:58:43] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-23 08:58:44] [INFO ] Implicit Places using invariants and state equation in 762 ms returned []
Implicit Place search using SMT with State Equation took 877 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:58:44] [INFO ] Redundant transitions in 10 ms returned []
Running 177 sub problems to find dead transitions.
[2026-05-23 08:58:44] [INFO ] Invariant cache hit.
[2026-05-23 08:58:44] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 185 constraints, problems are : Problem set: 0 solved, 177 unsolved in 12255 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 177/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 303/303 variables, and 362 constraints, problems are : Problem set: 0 solved, 177 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42528ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 42532ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43440 ms. Remains : 125/125 places, 178/178 transitions.
[2026-05-23 08:59:27] [INFO ] Flatten gal took : 136 ms
RANDOM walk for 40000 steps (9257 resets) in 542 ms. (73 steps per ms) remains 2/2 properties
[2026-05-23 08:59:27] [INFO ] Flatten gal took : 92 ms
[2026-05-23 08:59:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15407356028294726349.gal : 7 ms
[2026-05-23 08:59:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2020520503978505970.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/ReachabilityCardinality15407356028294726349.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2020520503978505970.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40001 steps (3800 resets) in 201 ms. (198 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality2020520503978505970.prop.
BEST_FIRST walk for 40003 steps (3862 resets) in 222 ms. (179 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 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 294
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 528
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :528 after 942
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :942 after 4688
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4688 after 18830
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :18830 after 224574
Interrupted probabilistic random walk after 1790569 steps, run timeout after 3001 ms. (steps per millisecond=596 ) properties seen :1 out of 2
Probabilistic random walk after 1790569 steps, saw 739291 distinct states, run finished after 3001 ms. (steps per millisecond=596 ) properties seen :1
[2026-05-23 08:59:30] [INFO ] Invariant cache hit.
[2026-05-23 08:59:30] [INFO ] State equation strengthened by 58 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 131/134 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 72/206 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/221 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 303/303 variables, and 136 constraints, problems are : Problem set: 1 solved, 0 unsolved in 211 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 9/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 219ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[3032]
Ending property specific reduction for DBSingleClientW-PT-d2m09-UpperBounds-06 in 52526 ms.
[2026-05-23 08:59:30] [INFO ] Flatten gal took : 17 ms
[2026-05-23 08:59:30] [INFO ] Applying decomposition
[2026-05-23 08:59:30] [INFO ] Flatten gal took : 31 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/graph660098960090455869.txt' '-o' '/tmp/graph660098960090455869.bin' '-w' '/tmp/graph660098960090455869.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph660098960090455869.bin' '-l' '-1' '-v' '-w' '/tmp/graph660098960090455869.weights' '-q' '0' '-e' '0.001'
[2026-05-23 08:59:31] [INFO ] Decomposing Gal with order
[2026-05-23 08:59:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:59:31] [INFO ] Removed a total of 214 redundant transitions.
[2026-05-23 08:59:31] [INFO ] Flatten gal took : 190 ms
[2026-05-23 08:59:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 139 labels/synchronizations in 16 ms.
[2026-05-23 08:59:31] [INFO ] Time to serialize gal into /tmp/UpperBounds7991617940244531141.gal : 8 ms
[2026-05-23 08:59:31] [INFO ] Time to serialize properties into /tmp/UpperBounds5155207360205761974.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/UpperBounds7991617940244531141.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds5155207360205761974.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 ...283
Loading property file /tmp/UpperBounds5155207360205761974.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,2.28193e+08,83.7881,1744656,6916,4432,1.53817e+06,769938,492,1.07851e+07,178,5.35814e+06,0
Total reachable state count : 228192883

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m09-UpperBounds-06 :0 <= i0.u10.l1791 <= 1
FORMULA DBSingleClientW-PT-d2m09-UpperBounds-06 1 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-d2m09-UpperBounds-06,0,85.9775,1744656,1,0,1.53817e+06,769938,620,1.07851e+07,204,5.35814e+06,2445
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 219944 ms.

BK_STOP 1779526857953

--------------------
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="DBSingleClientW-PT-d2m09"
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-d2m09, 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-177946996300030"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m09.tgz
mv DBSingleClientW-PT-d2m09 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 ;