Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994400477.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is SieveSingleMsgMbox-PT-d2m36, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994400477
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 1.1M May 29 14:33 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 SieveSingleMsgMbox-PT-d2m36-UpperBounds-00
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-01
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-02
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-03
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-04
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-05
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-06
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-07
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-08
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-09
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-10
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-11
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-12
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-13
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-14
FORMULA_NAME SieveSingleMsgMbox-PT-d2m36-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749184556153

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d2m36
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-06 04:35:57] [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]
[2025-06-06 04:35:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 04:35:57] [INFO ] Load time of PNML (sax parser for PT used): 165 ms
[2025-06-06 04:35:57] [INFO ] Transformed 2398 places.
[2025-06-06 04:35:57] [INFO ] Transformed 1954 transitions.
[2025-06-06 04:35:57] [INFO ] Parsed PT model containing 2398 places and 1954 transitions and 7816 arcs in 270 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 1984 places in 26 ms
Reduce places removed 1984 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 1954 rows 414 cols
[2025-06-06 04:35:57] [INFO ] Computed 6 invariants in 79 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[42, 87, 1, 42, 1]
RANDOM walk for 10000 steps (2195 resets) in 352 ms. (28 steps per ms)
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40001 steps (3644 resets) in 283 ms. (140 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[42, 87, 42, 1]
[2025-06-06 04:35:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:35:58] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-06 04:35:58] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 5 ms returned sat
[2025-06-06 04:35:59] [INFO ] [Real]Absence check using state equation in 356 ms returned sat
[2025-06-06 04:35:59] [INFO ] State equation strengthened by 1674 read => feed constraints.
[2025-06-06 04:35:59] [INFO ] [Real]Added 1674 Read/Feed constraints in 309 ms returned sat
[2025-06-06 04:35:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:35:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:35:59] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-06 04:36:00] [INFO ] [Nat]Absence check using state equation in 340 ms returned sat
[2025-06-06 04:36:00] [INFO ] [Nat]Added 1674 Read/Feed constraints in 492 ms returned sat
[2025-06-06 04:36:01] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 402 ms.
[2025-06-06 04:36:01] [INFO ] Added : 27 causal constraints over 6 iterations in 1266 ms. Result :sat
Minimization took 768 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:36:02] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 04:36:02] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 6 ms returned sat
[2025-06-06 04:36:03] [INFO ] [Real]Absence check using state equation in 424 ms returned sat
[2025-06-06 04:36:03] [INFO ] [Real]Added 1674 Read/Feed constraints in 299 ms returned sat
[2025-06-06 04:36:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:36:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:36:03] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned sat
[2025-06-06 04:36:04] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-06 04:36:04] [INFO ] [Nat]Added 1674 Read/Feed constraints in 504 ms returned sat
[2025-06-06 04:36:04] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 195 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:05] [INFO ] Deduced a trap composed of 92 places in 221 ms of which 15 ms to minimize.
[2025-06-06 04:36:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 368 ms
[2025-06-06 04:36:06] [INFO ] Added : 27 causal constraints over 7 iterations in 1621 ms. Result :sat
Minimization took 766 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:36:07] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:36:07] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-06 04:36:07] [INFO ] [Real]Absence check using state equation in 286 ms returned sat
[2025-06-06 04:36:07] [INFO ] [Real]Added 1674 Read/Feed constraints in 348 ms returned sat
[2025-06-06 04:36:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:36:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:36:07] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned sat
[2025-06-06 04:36:08] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2025-06-06 04:36:08] [INFO ] [Nat]Added 1674 Read/Feed constraints in 381 ms returned sat
[2025-06-06 04:36:08] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 189 ms.
[2025-06-06 04:36:09] [INFO ] Added : 12 causal constraints over 3 iterations in 772 ms. Result :sat
Minimization took 770 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:36:10] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:36:10] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2025-06-06 04:36:10] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2025-06-06 04:36:10] [INFO ] [Real]Added 1674 Read/Feed constraints in 333 ms returned sat
[2025-06-06 04:36:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:36:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:36:10] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-06 04:36:11] [INFO ] [Nat]Absence check using state equation in 263 ms returned sat
[2025-06-06 04:36:11] [INFO ] [Nat]Added 1674 Read/Feed constraints in 420 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:11] [INFO ] Deduced a trap composed of 137 places in 209 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:12] [INFO ] Deduced a trap composed of 165 places in 219 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:12] [INFO ] Deduced a trap composed of 176 places in 213 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:13] [INFO ] Deduced a trap composed of 239 places in 235 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:13] [INFO ] Deduced a trap composed of 239 places in 235 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:14] [INFO ] Deduced a trap composed of 243 places in 226 ms of which 52 ms to minimize.
[2025-06-06 04:36:14] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 6 trap constraints in 2707 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[42, 87, 42, 0]
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[42, 87, 42]
Support contains 3 out of 414 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 414/414 places, 1954/1954 transitions.
Graph (complete) has 2618 edges and 414 vertex of which 388 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.6 ms
Discarding 26 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 828 transitions
Reduce isomorphic transitions removed 830 transitions.
Iterating post reduction 0 with 830 rules applied. Total rules applied 831 place count 388 transition count 1124
Discarding 119 places :
Symmetric choice reduction at 1 with 119 rule applications. Total rules 950 place count 269 transition count 372
Iterating global reduction 1 with 119 rules applied. Total rules applied 1069 place count 269 transition count 372
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 1079 place count 269 transition count 362
Discarding 91 places :
Symmetric choice reduction at 2 with 91 rule applications. Total rules 1170 place count 178 transition count 271
Iterating global reduction 2 with 91 rules applied. Total rules applied 1261 place count 178 transition count 271
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 1296 place count 178 transition count 236
Discarding 36 places :
Symmetric choice reduction at 3 with 36 rule applications. Total rules 1332 place count 142 transition count 188
Iterating global reduction 3 with 36 rules applied. Total rules applied 1368 place count 142 transition count 188
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 3 with 21 rules applied. Total rules applied 1389 place count 142 transition count 167
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 1397 place count 134 transition count 154
Iterating global reduction 4 with 8 rules applied. Total rules applied 1405 place count 134 transition count 154
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 1413 place count 126 transition count 146
Iterating global reduction 4 with 8 rules applied. Total rules applied 1421 place count 126 transition count 146
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 1425 place count 122 transition count 141
Iterating global reduction 4 with 4 rules applied. Total rules applied 1429 place count 122 transition count 141
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 1433 place count 118 transition count 137
Iterating global reduction 4 with 4 rules applied. Total rules applied 1437 place count 118 transition count 137
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 1441 place count 114 transition count 133
Iterating global reduction 4 with 4 rules applied. Total rules applied 1445 place count 114 transition count 133
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 1447 place count 112 transition count 129
Iterating global reduction 4 with 2 rules applied. Total rules applied 1449 place count 112 transition count 129
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 1450 place count 111 transition count 128
Iterating global reduction 4 with 1 rules applied. Total rules applied 1451 place count 111 transition count 128
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 1452 place count 110 transition count 127
Iterating global reduction 4 with 1 rules applied. Total rules applied 1453 place count 110 transition count 127
Applied a total of 1453 rules in 118 ms. Remains 110 /414 variables (removed 304) and now considering 127/1954 (removed 1827) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 110/414 places, 127/1954 transitions.
// Phase 1: matrix 127 rows 110 cols
[2025-06-06 04:36:14] [INFO ] Computed 4 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
RANDOM walk for 1000000 steps (224409 resets) in 1156 ms. (864 steps per ms)
BEST_FIRST walk for 3000001 steps (310417 resets) in 1705 ms. (1758 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
[2025-06-06 04:36:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:36:17] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-06-06 04:36:17] [INFO ] State equation strengthened by 48 read => feed constraints.
[2025-06-06 04:36:17] [INFO ] [Real]Added 48 Read/Feed constraints in 19 ms returned sat
[2025-06-06 04:36:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:36:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Nat]Added 48 Read/Feed constraints in 16 ms returned sat
[2025-06-06 04:36:17] [INFO ] Computed and/alt/rep : 29/83/29 causal constraints (skipped 97 transitions) in 11 ms.
[2025-06-06 04:36:17] [INFO ] Added : 15 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 48 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:36:17] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Real]Added 48 Read/Feed constraints in 7 ms returned sat
[2025-06-06 04:36:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:36:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-06 04:36:17] [INFO ] [Nat]Added 48 Read/Feed constraints in 13 ms returned sat
[2025-06-06 04:36:17] [INFO ] Computed and/alt/rep : 29/83/29 causal constraints (skipped 97 transitions) in 8 ms.
[2025-06-06 04:36:17] [INFO ] Added : 15 causal constraints over 3 iterations in 58 ms. Result :sat
Minimization took 144 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:36:18] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-06 04:36:18] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-06 04:36:18] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-06 04:36:18] [INFO ] [Real]Added 48 Read/Feed constraints in 15 ms returned sat
[2025-06-06 04:36:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:36:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 04:36:18] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-06 04:36:18] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2025-06-06 04:36:18] [INFO ] [Nat]Added 48 Read/Feed constraints in 15 ms returned sat
[2025-06-06 04:36:18] [INFO ] Computed and/alt/rep : 29/83/29 causal constraints (skipped 97 transitions) in 7 ms.
[2025-06-06 04:36:18] [INFO ] Added : 15 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 53 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
Support contains 3 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 127/127 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 127/127 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 110/110 places, 127/127 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 127/127 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 127/127 (removed 0) transitions.
[2025-06-06 04:36:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:36:18] [INFO ] Implicit Places using invariants in 116 ms returned []
[2025-06-06 04:36:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:36:18] [INFO ] State equation strengthened by 48 read => feed constraints.
[2025-06-06 04:36:18] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 354 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:36:18] [INFO ] Redundant transitions in 6 ms returned []
Running 126 sub problems to find dead transitions.
[2025-06-06 04:36:18] [INFO ] Invariant cache hit.
[2025-06-06 04:36:18] [INFO ] State equation strengthened by 48 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/109 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 3 (OVERLAPS) 1/110 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 5 (OVERLAPS) 127/237 variables, 110/114 constraints. Problems are: Problem set: 0 solved, 126 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 48/162 constraints. Problems are: Problem set: 0 solved, 126 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 126 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:23] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 3 ms to minimize.
Problem TDEAD113 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD41 is UNSAT
At refinement iteration 8 (OVERLAPS) 0/237 variables, 1/163 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 0/163 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 10 (OVERLAPS) 0/237 variables, 0/163 constraints. Problems are: Problem set: 3 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 163 constraints, problems are : Problem set: 3 solved, 123 unsolved in 9301 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 110/110 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 126/126 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 123 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 4/110 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 2/4 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 1/5 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/110 variables, 0/5 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 6 (OVERLAPS) 127/237 variables, 110/115 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 48/163 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 123/286 constraints. Problems are: Problem set: 3 solved, 123 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:35] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:36:38] [INFO ] Deduced a trap along path composed of 20 places in 22 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 2/288 constraints. Problems are: Problem set: 3 solved, 123 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 0/288 constraints. Problems are: Problem set: 3 solved, 123 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 237/237 variables, and 288 constraints, problems are : Problem set: 3 solved, 123 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 110/110 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 123/126 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 39437ms problems are : Problem set: 3 solved, 123 unsolved
Search for dead transitions found 3 dead transitions in 39444ms
Found 3 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 3 transitions
Dead transitions reduction (with SMT) removed 3 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 110/110 places, 124/127 transitions.
Graph (complete) has 309 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 107 /110 variables (removed 3) and now considering 124/124 (removed 0) transitions.
// Phase 1: matrix 124 rows 107 cols
[2025-06-06 04:36:58] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:36:58] [INFO ] Implicit Places using invariants in 82 ms returned []
[2025-06-06 04:36:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:36:58] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-06-06 04:36:58] [INFO ] Implicit Places using invariants and state equation in 204 ms returned []
Implicit Place search using SMT with State Equation took 293 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 107/110 places, 124/127 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 40132 ms. Remains : 107/110 places, 124/127 transitions.
[2025-06-06 04:36:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
RANDOM walk for 1000000 steps (224576 resets) in 1152 ms. (867 steps per ms)
BEST_FIRST walk for 3000001 steps (309635 resets) in 1650 ms. (1817 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
[2025-06-06 04:37:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 04:37:01] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2025-06-06 04:37:01] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-06-06 04:37:01] [INFO ] [Real]Added 47 Read/Feed constraints in 9 ms returned sat
[2025-06-06 04:37:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 04:37:01] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2025-06-06 04:37:01] [INFO ] [Nat]Added 47 Read/Feed constraints in 16 ms returned sat
[2025-06-06 04:37:01] [INFO ] Computed and/alt/rep : 28/78/28 causal constraints (skipped 95 transitions) in 10 ms.
[2025-06-06 04:37:01] [INFO ] Added : 15 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:01] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 04:37:01] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-06 04:37:01] [INFO ] [Real]Added 47 Read/Feed constraints in 7 ms returned sat
[2025-06-06 04:37:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 04:37:01] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-06 04:37:01] [INFO ] [Nat]Added 47 Read/Feed constraints in 14 ms returned sat
[2025-06-06 04:37:01] [INFO ] Computed and/alt/rep : 28/78/28 causal constraints (skipped 95 transitions) in 8 ms.
[2025-06-06 04:37:01] [INFO ] Added : 15 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 82 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 04:37:02] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-06 04:37:02] [INFO ] [Real]Added 47 Read/Feed constraints in 24 ms returned sat
[2025-06-06 04:37:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 04:37:02] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-06 04:37:02] [INFO ] [Nat]Added 47 Read/Feed constraints in 13 ms returned sat
[2025-06-06 04:37:02] [INFO ] Computed and/alt/rep : 28/78/28 causal constraints (skipped 95 transitions) in 7 ms.
[2025-06-06 04:37:02] [INFO ] Added : 12 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 47 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
Support contains 3 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 124/124 transitions.
Applied a total of 0 rules in 4 ms. Remains 107 /107 variables (removed 0) and now considering 124/124 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 107/107 places, 124/124 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 124/124 transitions.
Applied a total of 0 rules in 4 ms. Remains 107 /107 variables (removed 0) and now considering 124/124 (removed 0) transitions.
[2025-06-06 04:37:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:37:02] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-06 04:37:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:37:02] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-06-06 04:37:02] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:37:02] [INFO ] Redundant transitions in 4 ms returned []
Running 123 sub problems to find dead transitions.
[2025-06-06 04:37:02] [INFO ] Invariant cache hit.
[2025-06-06 04:37:02] [INFO ] State equation strengthened by 47 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 1/107 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 123 unsolved
Problem TDEAD34 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD108 is UNSAT
At refinement iteration 4 (OVERLAPS) 124/231 variables, 107/110 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/231 variables, 47/157 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/231 variables, 0/157 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 7 (OVERLAPS) 0/231 variables, 0/157 constraints. Problems are: Problem set: 3 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 231/231 variables, and 157 constraints, problems are : Problem set: 3 solved, 120 unsolved in 5366 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 120 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/104 variables, 2/3 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 123/227 variables, 104/107 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/227 variables, 46/153 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/227 variables, 15/168 constraints. Problems are: Problem set: 3 solved, 120 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:37:10] [INFO ] Deduced a trap along path composed of 20 places in 30 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/227 variables, 1/169 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 0/169 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 9 (OVERLAPS) 4/231 variables, 3/172 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/231 variables, 1/173 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/231 variables, 105/278 constraints. Problems are: Problem set: 3 solved, 120 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:37:19] [INFO ] Deduced a trap composed of 22 places in 37 ms of which 3 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 1/279 constraints. Problems are: Problem set: 3 solved, 120 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/231 variables, 0/279 constraints. Problems are: Problem set: 3 solved, 120 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 231/231 variables, and 279 constraints, problems are : Problem set: 3 solved, 120 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 107/107 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 120/123 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 35453ms problems are : Problem set: 3 solved, 120 unsolved
Search for dead transitions found 3 dead transitions in 35455ms
Found 3 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 3 transitions
Dead transitions reduction (with SMT) removed 3 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 107/107 places, 121/124 transitions.
Graph (complete) has 300 edges and 107 vertex of which 104 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 4 ms. Remains 104 /107 variables (removed 3) and now considering 121/121 (removed 0) transitions.
// Phase 1: matrix 121 rows 104 cols
[2025-06-06 04:37:37] [INFO ] Computed 3 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:37:38] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-06-06 04:37:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:37:38] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 04:37:38] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 104/107 places, 121/124 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 35984 ms. Remains : 104/107 places, 121/124 transitions.
[2025-06-06 04:37:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
RANDOM walk for 1000000 steps (224711 resets) in 1093 ms. (914 steps per ms)
BEST_FIRST walk for 3000002 steps (310485 resets) in 1615 ms. (1856 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
[2025-06-06 04:37:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:40] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 04:37:40] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-06 04:37:41] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 04:37:41] [INFO ] [Real]Added 46 Read/Feed constraints in 17 ms returned sat
[2025-06-06 04:37:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Added 46 Read/Feed constraints in 9 ms returned sat
[2025-06-06 04:37:41] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 93 transitions) in 8 ms.
[2025-06-06 04:37:41] [INFO ] Added : 16 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 57 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Real]Added 46 Read/Feed constraints in 13 ms returned sat
[2025-06-06 04:37:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Added 46 Read/Feed constraints in 10 ms returned sat
[2025-06-06 04:37:41] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 93 transitions) in 7 ms.
[2025-06-06 04:37:41] [INFO ] Added : 15 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 113 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Real]Added 46 Read/Feed constraints in 10 ms returned sat
[2025-06-06 04:37:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-06 04:37:41] [INFO ] [Nat]Added 46 Read/Feed constraints in 9 ms returned sat
[2025-06-06 04:37:41] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 93 transitions) in 7 ms.
[2025-06-06 04:37:41] [INFO ] Added : 12 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 50 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[42, 36, 42]
Support contains 3 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 121/121 transitions.
Applied a total of 0 rules in 4 ms. Remains 104 /104 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 104/104 places, 121/121 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 121/121 transitions.
Applied a total of 0 rules in 4 ms. Remains 104 /104 variables (removed 0) and now considering 121/121 (removed 0) transitions.
[2025-06-06 04:37:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:37:41] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-06 04:37:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:37:42] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 04:37:42] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:37:42] [INFO ] Redundant transitions in 4 ms returned []
Running 120 sub problems to find dead transitions.
[2025-06-06 04:37:42] [INFO ] Invariant cache hit.
[2025-06-06 04:37:42] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (OVERLAPS) 1/104 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (OVERLAPS) 121/225 variables, 104/107 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 46/153 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (OVERLAPS) 0/225 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 225/225 variables, and 153 constraints, problems are : Problem set: 0 solved, 120 unsolved in 4415 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/103 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/103 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/103 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (OVERLAPS) 1/104 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (OVERLAPS) 121/225 variables, 104/107 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 46/153 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 120/273 constraints. Problems are: Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:37:52] [INFO ] Deduced a trap along path composed of 20 places in 32 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/225 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/225 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 10 (OVERLAPS) 0/225 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 225/225 variables, and 274 constraints, problems are : Problem set: 0 solved, 120 unsolved in 29069 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 104/104 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 33539ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 33541ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33815 ms. Remains : 104/104 places, 121/121 transitions.
RANDOM walk for 40000 steps (8879 resets) in 961 ms. (41 steps per ms) remains 6/6 properties
[2025-06-06 04:38:16] [INFO ] Flatten gal took : 54 ms
BEST_FIRST walk for 40001 steps (4047 resets) in 240 ms. (165 steps per ms) remains 6/6 properties
[2025-06-06 04:38:16] [INFO ] Flatten gal took : 32 ms
[2025-06-06 04:38:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6239796846486898064.gal : 8 ms
[2025-06-06 04:38:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7788853530146779337.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/ReachabilityCardinality6239796846486898064.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7788853530146779337.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (4025 resets) in 137 ms. (289 steps per ms) remains 6/6 properties

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/ReachabilityCardinality7788853530146779337.prop.
BEST_FIRST walk for 40003 steps (4143 resets) in 128 ms. (310 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :7 after 41
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :41 after 194
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :194 after 214
BEST_FIRST walk for 40001 steps (4217 resets) in 128 ms. (310 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :214 after 750
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :750 after 2850
BEST_FIRST walk for 40003 steps (4204 resets) in 98 ms. (404 steps per ms) remains 6/6 properties
Invariant property MIN2 does not hold.
Invariant property MIN0 does not hold.
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :2850 after 4102
BEST_FIRST walk for 40003 steps (4142 resets) in 110 ms. (360 steps per ms) remains 6/6 properties
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :4102 after 19918
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :19918 after 53480
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :53480 after 119819
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :119819 after 858559
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :858559 after 1.43952e+07
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :1.43952e+07 after 2.28156e+08
Interrupted probabilistic random walk after 803140 steps, run timeout after 3001 ms. (steps per millisecond=267 ) properties seen :3 out of 6
Probabilistic random walk after 803140 steps, saw 351531 distinct states, run finished after 3005 ms. (steps per millisecond=267 ) properties seen :3
[2025-06-06 04:38:19] [INFO ] Invariant cache hit.
[2025-06-06 04:38:19] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 49/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/58 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/60 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 79/139 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:38:19] [INFO ] Deduced a trap composed of 29 places in 28 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/139 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/139 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem MAX0 is UNSAT
Problem MAX2 is UNSAT
At refinement iteration 10 (OVERLAPS) 60/199 variables, 23/87 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/199 variables, 41/128 constraints. Problems are: Problem set: 2 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:38:19] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 5 ms to minimize.
Problem MAX1 is UNSAT
After SMT solving in domain Real declared 199/225 variables, and 129 constraints, problems are : Problem set: 3 solved, 0 unsolved in 225 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 83/104 constraints, ReadFeed: 41/46 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 229ms problems are : Problem set: 3 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, 0, 0] Max Struct:[42, 36, 42]
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m36-UpperBounds-02
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:[42]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[42]
[2025-06-06 04:38:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[42]
RANDOM walk for 10000 steps (2223 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (1055 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[42]
[2025-06-06 04:38:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:38:19] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 04:38:19] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:38:19] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-06 04:38:19] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 04:38:19] [INFO ] [Real]Added 46 Read/Feed constraints in 24 ms returned sat
[2025-06-06 04:38:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:38:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 04:38:19] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 04:38:19] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-06 04:38:19] [INFO ] [Nat]Added 46 Read/Feed constraints in 9 ms returned sat
[2025-06-06 04:38:19] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 93 transitions) in 12 ms.
[2025-06-06 04:38:19] [INFO ] Added : 16 causal constraints over 4 iterations in 71 ms. Result :sat
Minimization took 59 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[42]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[42]
Support contains 1 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 121/121 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 102 transition count 118
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 102 transition count 118
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 102 transition count 117
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 7 place count 100 transition count 114
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 100 transition count 114
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 100 transition count 113
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 99 transition count 112
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 99 transition count 112
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 98 transition count 111
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 98 transition count 111
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 15 place count 98 transition count 110
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 16 place count 97 transition count 109
Iterating global reduction 3 with 1 rules applied. Total rules applied 17 place count 97 transition count 109
Applied a total of 17 rules in 14 ms. Remains 97 /104 variables (removed 7) and now considering 109/121 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 97/104 places, 109/121 transitions.
// Phase 1: matrix 109 rows 97 cols
[2025-06-06 04:38:19] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[42]
RANDOM walk for 1000000 steps (224708 resets) in 1040 ms. (960 steps per ms)
BEST_FIRST walk for 1000000 steps (103392 resets) in 522 ms. (1912 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[42]
[2025-06-06 04:38:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:38:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 04:38:21] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-06 04:38:21] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-06 04:38:21] [INFO ] [Real]Added 41 Read/Feed constraints in 16 ms returned sat
[2025-06-06 04:38:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:38:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 04:38:21] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-06 04:38:21] [INFO ] [Nat]Added 41 Read/Feed constraints in 9 ms returned sat
[2025-06-06 04:38:21] [INFO ] Computed and/alt/rep : 25/64/25 causal constraints (skipped 83 transitions) in 9 ms.
[2025-06-06 04:38:21] [INFO ] Added : 15 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[42]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[42]
Support contains 1 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 109/109 transitions.
Applied a total of 0 rules in 3 ms. Remains 97 /97 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 97/97 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 109/109 transitions.
Applied a total of 0 rules in 2 ms. Remains 97 /97 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2025-06-06 04:38:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:38:21] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-06 04:38:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:38:21] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-06 04:38:21] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:38:22] [INFO ] Redundant transitions in 3 ms returned []
Running 108 sub problems to find dead transitions.
[2025-06-06 04:38:22] [INFO ] Invariant cache hit.
[2025-06-06 04:38:22] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/97 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/206 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 41/141 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 0/206 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 141 constraints, problems are : Problem set: 0 solved, 108 unsolved in 5620 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/96 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/97 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/206 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 41/141 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 108/249 constraints. Problems are: Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:38:32] [INFO ] Deduced a trap along path composed of 20 places in 30 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 9 (OVERLAPS) 0/206 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 250 constraints, problems are : Problem set: 0 solved, 108 unsolved in 19780 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 25454ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 25455ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25690 ms. Remains : 97/97 places, 109/109 transitions.
[2025-06-06 04:38:47] [INFO ] Flatten gal took : 19 ms
[2025-06-06 04:38:47] [INFO ] Flatten gal took : 18 ms
[2025-06-06 04:38:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9490824199517998353.gal : 3 ms
[2025-06-06 04:38:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15182585791536510906.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/ReachabilityCardinality9490824199517998353.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15182585791536510906.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/ReachabilityCardinality15182585791536510906.prop.
RANDOM walk for 40000 steps (8919 resets) in 265 ms. (150 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 41
BEST_FIRST walk for 40003 steps (4113 resets) in 59 ms. (666 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :41 after 194
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :194 after 214
BEST_FIRST walk for 40001 steps (4184 resets) in 49 ms. (800 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :214 after 776
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :776 after 2672
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2672 after 4088
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4088 after 21168
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :21168 after 40350
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :40350 after 251976
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :251976 after 1.95423e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.95423e+06 after 1.3275e+07
Interrupted probabilistic random walk after 2525389 steps, run timeout after 3001 ms. (steps per millisecond=841 ) properties seen :1 out of 2
Probabilistic random walk after 2525389 steps, saw 1217705 distinct states, run finished after 3001 ms. (steps per millisecond=841 ) properties seen :1
[2025-06-06 04:38:50] [INFO ] Invariant cache hit.
[2025-06-06 04:38:50] [INFO ] State equation strengthened by 41 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) 84/87 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 45/132 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 7/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 8/140 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/140 variables, 8/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:38:50] [INFO ] Deduced a trap composed of 29 places in 37 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/140 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/140 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 206/206 variables, and 114 constraints, problems are : Problem set: 1 solved, 0 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 13/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 122ms 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:[42]
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m36-UpperBounds-02 in 31184 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m36-UpperBounds-08
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:[36]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[36]
// Phase 1: matrix 121 rows 104 cols
[2025-06-06 04:38:50] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[36]
RANDOM walk for 10000 steps (2254 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 10001 steps (1023 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[36]
[2025-06-06 04:38:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:38:50] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 04:38:50] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 04:38:50] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-06-06 04:38:50] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 04:38:50] [INFO ] [Real]Added 46 Read/Feed constraints in 13 ms returned sat
[2025-06-06 04:38:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:38:50] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 04:38:50] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 04:38:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-06 04:38:50] [INFO ] [Nat]Added 46 Read/Feed constraints in 9 ms returned sat
[2025-06-06 04:38:50] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 93 transitions) in 10 ms.
[2025-06-06 04:38:50] [INFO ] Added : 15 causal constraints over 3 iterations in 52 ms. Result :sat
Minimization took 113 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[36]
Support contains 1 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 121/121 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 102 transition count 119
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 102 transition count 119
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 102 transition count 118
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 7 place count 100 transition count 114
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 100 transition count 114
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 11 place count 100 transition count 112
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 12 place count 99 transition count 111
Iterating global reduction 2 with 1 rules applied. Total rules applied 13 place count 99 transition count 111
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 14 place count 98 transition count 110
Iterating global reduction 2 with 1 rules applied. Total rules applied 15 place count 98 transition count 110
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 16 place count 97 transition count 109
Iterating global reduction 2 with 1 rules applied. Total rules applied 17 place count 97 transition count 109
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 18 place count 97 transition count 108
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 19 place count 96 transition count 107
Iterating global reduction 3 with 1 rules applied. Total rules applied 20 place count 96 transition count 107
Applied a total of 20 rules in 14 ms. Remains 96 /104 variables (removed 8) and now considering 107/121 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 96/104 places, 107/121 transitions.
// Phase 1: matrix 107 rows 96 cols
[2025-06-06 04:38:51] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[36]
RANDOM walk for 1000000 steps (224637 resets) in 977 ms. (1022 steps per ms)
BEST_FIRST walk for 1000000 steps (102922 resets) in 505 ms. (1976 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[36]
[2025-06-06 04:38:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:38:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 04:38:52] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-06 04:38:52] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-06 04:38:52] [INFO ] [Real]Added 41 Read/Feed constraints in 10 ms returned sat
[2025-06-06 04:38:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:38:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 04:38:52] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-06 04:38:52] [INFO ] [Nat]Added 41 Read/Feed constraints in 11 ms returned sat
[2025-06-06 04:38:52] [INFO ] Computed and/alt/rep : 24/61/24 causal constraints (skipped 82 transitions) in 12 ms.
[2025-06-06 04:38:52] [INFO ] Added : 12 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[36]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[36]
Support contains 1 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 107/107 transitions.
Applied a total of 0 rules in 5 ms. Remains 96 /96 variables (removed 0) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 96/96 places, 107/107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 107/107 transitions.
Applied a total of 0 rules in 5 ms. Remains 96 /96 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2025-06-06 04:38:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:38:52] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-06 04:38:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:38:52] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-06 04:38:53] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:38:53] [INFO ] Redundant transitions in 3 ms returned []
Running 106 sub problems to find dead transitions.
[2025-06-06 04:38:53] [INFO ] Invariant cache hit.
[2025-06-06 04:38:53] [INFO ] State equation strengthened by 41 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 1/96 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/203 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 41/140 constraints. Problems are: Problem set: 0 solved, 106 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (OVERLAPS) 0/203 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 203/203 variables, and 140 constraints, problems are : Problem set: 0 solved, 106 unsolved in 3609 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 1/96 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/203 variables, 96/99 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/203 variables, 41/140 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/203 variables, 106/246 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/203 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 8 (OVERLAPS) 0/203 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 203/203 variables, and 246 constraints, problems are : Problem set: 0 solved, 106 unsolved in 28172 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31817ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 31818ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32078 ms. Remains : 96/96 places, 107/107 transitions.
[2025-06-06 04:39:24] [INFO ] Flatten gal took : 12 ms
[2025-06-06 04:39:24] [INFO ] Flatten gal took : 16 ms
RANDOM walk for 40000 steps (9018 resets) in 114 ms. (347 steps per ms) remains 2/2 properties
[2025-06-06 04:39:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7624383914385186278.gal : 2 ms
[2025-06-06 04:39:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality56108668756084341.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/ReachabilityCardinality7624383914385186278.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality56108668756084341.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 ...326
Loading property file /tmp/ReachabilityCardinality56108668756084341.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
BEST_FIRST walk for 40001 steps (4161 resets) in 54 ms. (727 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 41
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :41 after 194
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :194 after 218
BEST_FIRST walk for 40003 steps (4174 resets) in 78 ms. (506 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :218 after 914
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :914 after 2672
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :2672 after 3640
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3640 after 36334
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :36334 after 58459
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :58459 after 526875
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :526875 after 1.05469e+07
SDD proceeding with computation,2 properties remain. new max is 8192
Interrupted probabilistic random walk after 2682855 steps, run timeout after 3001 ms. (steps per millisecond=893 ) properties seen :1 out of 2
Probabilistic random walk after 2682855 steps, saw 1111212 distinct states, run finished after 3001 ms. (steps per millisecond=893 ) properties seen :1
SDD size :1.05469e+07 after 1.22498e+08
[2025-06-06 04:39:28] [INFO ] Invariant cache hit.
[2025-06-06 04:39:28] [INFO ] State equation strengthened by 41 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) 46/47 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/55 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:39:28] [INFO ] Deduced a trap composed of 29 places in 34 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 68/123 variables, 55/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 40/163 variables, 18/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 24/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:39:28] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 163/203 variables, and 102 constraints, problems are : Problem set: 1 solved, 0 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/96 constraints, ReadFeed: 24/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 175ms 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:[36]
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m36-UpperBounds-08 in 37502 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m36-UpperBounds-10
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:[42]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[42]
// Phase 1: matrix 121 rows 104 cols
[2025-06-06 04:39:28] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[42]
RANDOM walk for 10000 steps (2248 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10000 steps (1025 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[42]
[2025-06-06 04:39:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:39:28] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 04:39:28] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 04:39:28] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-06 04:39:28] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 04:39:28] [INFO ] [Real]Added 46 Read/Feed constraints in 10 ms returned sat
[2025-06-06 04:39:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 04:39:28] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 04:39:28] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 04:39:28] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-06 04:39:28] [INFO ] [Nat]Added 46 Read/Feed constraints in 9 ms returned sat
[2025-06-06 04:39:28] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 93 transitions) in 10 ms.
[2025-06-06 04:39:28] [INFO ] Added : 12 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 50 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[42]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[42]
Support contains 1 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 121/121 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 102 transition count 118
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 102 transition count 118
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 102 transition count 116
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 100 transition count 113
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 100 transition count 113
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 11 place count 100 transition count 112
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 13 place count 98 transition count 110
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 98 transition count 110
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 17 place count 96 transition count 108
Iterating global reduction 2 with 2 rules applied. Total rules applied 19 place count 96 transition count 108
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 20 place count 96 transition count 107
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 22 place count 94 transition count 105
Iterating global reduction 3 with 2 rules applied. Total rules applied 24 place count 94 transition count 105
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 25 place count 94 transition count 104
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 26 place count 93 transition count 103
Iterating global reduction 4 with 1 rules applied. Total rules applied 27 place count 93 transition count 103
Applied a total of 27 rules in 11 ms. Remains 93 /104 variables (removed 11) and now considering 103/121 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 93/104 places, 103/121 transitions.
// Phase 1: matrix 103 rows 93 cols
[2025-06-06 04:39:28] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[42]
RANDOM walk for 1000000 steps (224210 resets) in 984 ms. (1015 steps per ms)
BEST_FIRST walk for 1000000 steps (103937 resets) in 484 ms. (2061 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[42]
[2025-06-06 04:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:39:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 04:39:30] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-06 04:39:30] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-06 04:39:30] [INFO ] [Real]Added 38 Read/Feed constraints in 14 ms returned sat
[2025-06-06 04:39:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 04:39:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 04:39:30] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-06 04:39:30] [INFO ] [Nat]Added 38 Read/Feed constraints in 15 ms returned sat
[2025-06-06 04:39:30] [INFO ] Computed and/alt/rep : 24/59/24 causal constraints (skipped 78 transitions) in 9 ms.
[2025-06-06 04:39:30] [INFO ] Added : 13 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 41 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[42]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[42]
Support contains 1 out of 93 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 103/103 transitions.
Applied a total of 0 rules in 3 ms. Remains 93 /93 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 93/93 places, 103/103 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 103/103 transitions.
Applied a total of 0 rules in 2 ms. Remains 93 /93 variables (removed 0) and now considering 103/103 (removed 0) transitions.
[2025-06-06 04:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:39:30] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-06 04:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 04:39:30] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-06 04:39:30] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 207 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 04:39:30] [INFO ] Redundant transitions in 0 ms returned []
Running 102 sub problems to find dead transitions.
[2025-06-06 04:39:30] [INFO ] Invariant cache hit.
[2025-06-06 04:39:30] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 103/196 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 38/134 constraints. Problems are: Problem set: 0 solved, 102 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 0/196 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 134 constraints, problems are : Problem set: 0 solved, 102 unsolved in 3049 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/93 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/93 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 103/196 variables, 93/96 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 38/134 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 102/236 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 04:39:40] [INFO ] Deduced a trap along path composed of 5 places in 23 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/196 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 237 constraints, problems are : Problem set: 0 solved, 102 unsolved in 22915 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 25996ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25997ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26210 ms. Remains : 93/93 places, 103/103 transitions.
[2025-06-06 04:39:56] [INFO ] Flatten gal took : 9 ms
[2025-06-06 04:39:56] [INFO ] Flatten gal took : 9 ms
[2025-06-06 04:39:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3598218469165538824.gal : 5 ms
[2025-06-06 04:39:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7493189305690215214.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/ReachabilityCardinality3598218469165538824.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7493189305690215214.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/ReachabilityCardinality7493189305690215214.prop.
RANDOM walk for 40000 steps (8937 resets) in 129 ms. (307 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 41
BEST_FIRST walk for 40003 steps (4148 resets) in 59 ms. (666 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (4162 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :41 after 194
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :194 after 282
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :282 after 1440
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1440 after 3038
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3038 after 3734
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3734 after 19522
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :19522 after 49852
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :49852 after 414337
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :414337 after 2.99177e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2.99177e+06 after 2.57478e+07
Interrupted probabilistic random walk after 2716325 steps, run timeout after 3001 ms. (steps per millisecond=905 ) properties seen :1 out of 2
Probabilistic random walk after 2716325 steps, saw 1267370 distinct states, run finished after 3001 ms. (steps per millisecond=905 ) properties seen :1
[2025-06-06 04:39:59] [INFO ] Invariant cache hit.
[2025-06-06 04:39:59] [INFO ] State equation strengthened by 38 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) 70/73 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 44/117 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 7/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/117 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 8/125 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/125 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/125 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 196/196 variables, and 98 constraints, problems are : Problem set: 1 solved, 0 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 2/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92ms 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:[42]
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m36-UpperBounds-10 in 31483 ms.
[2025-06-06 04:39:59] [INFO ] Flatten gal took : 12 ms
[2025-06-06 04:39:59] [INFO ] Applying decomposition
[2025-06-06 04:39:59] [INFO ] Flatten gal took : 8 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/graph568110666973143906.txt' '-o' '/tmp/graph568110666973143906.bin' '-w' '/tmp/graph568110666973143906.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph568110666973143906.bin' '-l' '-1' '-v' '-w' '/tmp/graph568110666973143906.weights' '-q' '0' '-e' '0.001'
[2025-06-06 04:39:59] [INFO ] Decomposing Gal with order
[2025-06-06 04:39:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 04:39:59] [INFO ] Removed a total of 100 redundant transitions.
[2025-06-06 04:39:59] [INFO ] Flatten gal took : 43 ms
[2025-06-06 04:39:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 82 labels/synchronizations in 8 ms.
[2025-06-06 04:39:59] [INFO ] Time to serialize gal into /tmp/UpperBounds2879358482708124693.gal : 2 ms
[2025-06-06 04:39:59] [INFO ] Time to serialize properties into /tmp/UpperBounds14911675006225569397.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/UpperBounds2879358482708124693.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds14911675006225569397.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/UpperBounds14911675006225569397.prop.
Detected timeout of ITS tools.
[2025-06-06 05:01:20] [INFO ] Flatten gal took : 7 ms
[2025-06-06 05:01:20] [INFO ] Time to serialize gal into /tmp/UpperBounds6286112436025805784.gal : 1 ms
[2025-06-06 05:01:20] [INFO ] Time to serialize properties into /tmp/UpperBounds9200355593280982527.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/UpperBounds6286112436025805784.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds9200355593280982527.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 ...304
Loading property file /tmp/UpperBounds9200355593280982527.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,7.84742e+15,479.077,6693856,2,39274,5,2.92676e+07,6,0,539,2.07864e+07,0
Total reachable state count : 7847421593579594

Verifying 3 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SieveSingleMsgMbox-PT-d2m36-UpperBounds-02 :0 <= p96 <= 1
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SieveSingleMsgMbox-PT-d2m36-UpperBounds-02,0,479.081,6693856,1,0,7,2.92676e+07,9,1,712,2.07864e+07,4
Min sum of variable value : 0
Maximum sum along a path : 32
Bounds property SieveSingleMsgMbox-PT-d2m36-UpperBounds-08 :0 <= l1717 <= 32
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-08 32 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SieveSingleMsgMbox-PT-d2m36-UpperBounds-08,0,479.184,6693856,1,0,8,2.92676e+07,10,1,850,2.07864e+07,5
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SieveSingleMsgMbox-PT-d2m36-UpperBounds-10 :0 <= p133 <= 1
FORMULA SieveSingleMsgMbox-PT-d2m36-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SieveSingleMsgMbox-PT-d2m36-UpperBounds-10,0,479.184,6693856,1,0,9,2.92676e+07,11,1,897,2.07864e+07,6
Total runtime 2002934 ms.

BK_STOP 1749186560468

--------------------
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="SieveSingleMsgMbox-PT-d2m36"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is SieveSingleMsgMbox-PT-d2m36, 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 r212-tall-174901994400477"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m36.tgz
mv SieveSingleMsgMbox-PT-d2m36 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 ;