Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994400469.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-d2m18, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994400469
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K 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-d2m18-UpperBounds-00
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-01
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-02
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-03
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-04
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-05
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-06
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-07
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-08
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-09
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-10
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-11
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-12
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-13
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-14
FORMULA_NAME SieveSingleMsgMbox-PT-d2m18-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749179923860

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-d2m18
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-06 03:18:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 03:18:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 03:18:45] [INFO ] Load time of PNML (sax parser for PT used): 157 ms
[2025-06-06 03:18:45] [INFO ] Transformed 2398 places.
[2025-06-06 03:18:45] [INFO ] Transformed 1954 transitions.
[2025-06-06 03:18:45] [INFO ] Parsed PT model containing 2398 places and 1954 transitions and 7816 arcs in 260 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-d2m18-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
// Phase 1: matrix 1954 rows 414 cols
[2025-06-06 03:18:45] [INFO ] Computed 6 invariants in 75 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 12, 12]
RANDOM walk for 10000 steps (2222 resets) in 348 ms. (28 steps per ms)
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20001 steps (1882 resets) in 141 ms. (140 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[12, 12]
[2025-06-06 03:18:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 03:18:46] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-06 03:18:46] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 8 ms returned sat
[2025-06-06 03:18:46] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-06 03:18:46] [INFO ] State equation strengthened by 1674 read => feed constraints.
[2025-06-06 03:18:47] [INFO ] [Real]Added 1674 Read/Feed constraints in 318 ms returned sat
[2025-06-06 03:18:47] [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 03:18:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 03:18:47] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-06 03:18:47] [INFO ] [Nat]Absence check using state equation in 352 ms returned sat
[2025-06-06 03:18:48] [INFO ] [Nat]Added 1674 Read/Feed constraints in 416 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:48] [INFO ] Deduced a trap composed of 86 places in 281 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:48] [INFO ] Deduced a trap composed of 88 places in 136 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:48] [INFO ] Deduced a trap composed of 88 places in 132 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:49] [INFO ] Deduced a trap composed of 102 places in 144 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:49] [INFO ] Deduced a trap composed of 122 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:49] [INFO ] Deduced a trap composed of 155 places in 79 ms of which 5 ms to minimize.
[2025-06-06 03:18:49] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1909 ms
[2025-06-06 03:18:50] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 434 ms.
[2025-06-06 03:18:51] [INFO ] Added : 27 causal constraints over 6 iterations in 1559 ms. Result :sat
Minimization took 669 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 03:18:52] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-06 03:18:52] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2025-06-06 03:18:52] [INFO ] [Real]Absence check using state equation in 378 ms returned sat
[2025-06-06 03:18:53] [INFO ] [Real]Added 1674 Read/Feed constraints in 317 ms returned sat
[2025-06-06 03:18:53] [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 03:18:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 03:18:53] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-06 03:18:53] [INFO ] [Nat]Absence check using state equation in 350 ms returned sat
[2025-06-06 03:18:53] [INFO ] [Nat]Added 1674 Read/Feed constraints in 419 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:54] [INFO ] Deduced a trap composed of 86 places in 277 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:54] [INFO ] Deduced a trap composed of 102 places in 129 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:54] [INFO ] Deduced a trap composed of 89 places in 278 ms of which 46 ms to minimize.
[2025-06-06 03:18:54] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1024 ms
[2025-06-06 03:18:55] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 198 ms.
[2025-06-06 03:18:55] [INFO ] Added : 14 causal constraints over 3 iterations in 824 ms. Result :sat
Minimization took 784 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[12, 12]
Support contains 2 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 389 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.6 ms
Discarding 25 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 792 transitions
Reduce isomorphic transitions removed 794 transitions.
Iterating post reduction 0 with 794 rules applied. Total rules applied 795 place count 389 transition count 1160
Discarding 119 places :
Symmetric choice reduction at 1 with 119 rule applications. Total rules 914 place count 270 transition count 373
Iterating global reduction 1 with 119 rules applied. Total rules applied 1033 place count 270 transition count 373
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 1043 place count 270 transition count 363
Discarding 93 places :
Symmetric choice reduction at 2 with 93 rule applications. Total rules 1136 place count 177 transition count 270
Iterating global reduction 2 with 93 rules applied. Total rules applied 1229 place count 177 transition count 270
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 1265 place count 177 transition count 234
Discarding 38 places :
Symmetric choice reduction at 3 with 38 rule applications. Total rules 1303 place count 139 transition count 181
Iterating global reduction 3 with 38 rules applied. Total rules applied 1341 place count 139 transition count 181
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 3 with 23 rules applied. Total rules applied 1364 place count 139 transition count 158
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 1374 place count 129 transition count 143
Iterating global reduction 4 with 10 rules applied. Total rules applied 1384 place count 129 transition count 143
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 1394 place count 119 transition count 133
Iterating global reduction 4 with 10 rules applied. Total rules applied 1404 place count 119 transition count 133
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 1410 place count 113 transition count 126
Iterating global reduction 4 with 6 rules applied. Total rules applied 1416 place count 113 transition count 126
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1418 place count 113 transition count 124
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 1424 place count 107 transition count 118
Iterating global reduction 5 with 6 rules applied. Total rules applied 1430 place count 107 transition count 118
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 1434 place count 103 transition count 114
Iterating global reduction 5 with 4 rules applied. Total rules applied 1438 place count 103 transition count 114
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 1440 place count 101 transition count 110
Iterating global reduction 5 with 2 rules applied. Total rules applied 1442 place count 101 transition count 110
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1443 place count 100 transition count 109
Iterating global reduction 5 with 1 rules applied. Total rules applied 1444 place count 100 transition count 109
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1445 place count 99 transition count 108
Iterating global reduction 5 with 1 rules applied. Total rules applied 1446 place count 99 transition count 108
Applied a total of 1446 rules in 144 ms. Remains 99 /414 variables (removed 315) and now considering 108/1954 (removed 1846) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 99/414 places, 108/1954 transitions.
// Phase 1: matrix 108 rows 99 cols
[2025-06-06 03:18:56] [INFO ] Computed 4 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[12, 12]
RANDOM walk for 1000000 steps (225025 resets) in 1038 ms. (962 steps per ms)
BEST_FIRST walk for 2000001 steps (207393 resets) in 1092 ms. (1829 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[12, 12]
[2025-06-06 03:18:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 03:18:58] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 03:18:58] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 03:18:58] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-06 03:18:58] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-06 03:18:58] [INFO ] [Real]Added 41 Read/Feed constraints in 10 ms returned sat
[2025-06-06 03:18:58] [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 03:18:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 03:18:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 03:18:59] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-06 03:18:59] [INFO ] [Nat]Added 41 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:18:59] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 3 ms to minimize.
[2025-06-06 03:18:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2025-06-06 03:18:59] [INFO ] Computed and/alt/rep : 25/67/25 causal constraints (skipped 82 transitions) in 8 ms.
[2025-06-06 03:18:59] [INFO ] Added : 18 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 44 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 03:18:59] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:18:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 03:18:59] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-06 03:18:59] [INFO ] [Real]Added 41 Read/Feed constraints in 15 ms returned sat
[2025-06-06 03:18:59] [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 03:18:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:18:59] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 03:18:59] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-06 03:18:59] [INFO ] [Nat]Added 41 Read/Feed constraints in 15 ms returned sat
[2025-06-06 03:18:59] [INFO ] Computed and/alt/rep : 25/67/25 causal constraints (skipped 82 transitions) in 8 ms.
[2025-06-06 03:18:59] [INFO ] Added : 12 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[12, 12]
Support contains 2 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 108/108 transitions.
Applied a total of 0 rules in 7 ms. Remains 99 /99 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 99/99 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 108/108 transitions.
Applied a total of 0 rules in 5 ms. Remains 99 /99 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2025-06-06 03:18:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:18:59] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-06 03:18:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:18:59] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-06 03:18:59] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 291 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:18:59] [INFO ] Redundant transitions in 2 ms returned []
Running 107 sub problems to find dead transitions.
[2025-06-06 03:18:59] [INFO ] Invariant cache hit.
[2025-06-06 03:18:59] [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) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (OVERLAPS) 1/98 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (OVERLAPS) 108/206 variables, 98/102 constraints. Problems are: Problem set: 0 solved, 107 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 41/143 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (OVERLAPS) 1/207 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/207 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 10 (OVERLAPS) 0/207 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Real declared 207/207 variables, and 144 constraints, problems are : Problem set: 0 solved, 107 unsolved in 5627 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 99/99 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (OVERLAPS) 1/98 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (OVERLAPS) 108/206 variables, 98/102 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 41/143 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 94/237 constraints. Problems are: Problem set: 0 solved, 107 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:19:08] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 3 ms to minimize.
Problem TDEAD37 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD98 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 1/238 constraints. Problems are: Problem set: 3 solved, 104 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:19:14] [INFO ] Deduced a trap along path composed of 5 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:19:14] [INFO ] Deduced a trap along path composed of 20 places in 36 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/206 variables, 2/240 constraints. Problems are: Problem set: 3 solved, 104 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/206 variables, 0/240 constraints. Problems are: Problem set: 3 solved, 104 unsolved
At refinement iteration 11 (OVERLAPS) 1/207 variables, 1/241 constraints. Problems are: Problem set: 3 solved, 104 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/207 variables, 13/254 constraints. Problems are: Problem set: 3 solved, 104 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 207/207 variables, and 254 constraints, problems are : Problem set: 3 solved, 104 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 99/99 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 35774ms problems are : Problem set: 3 solved, 104 unsolved
Search for dead transitions found 3 dead transitions in 35779ms
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 : 99/99 places, 105/108 transitions.
Graph (complete) has 273 edges and 99 vertex of which 96 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 6 ms. Remains 96 /99 variables (removed 3) and now considering 105/105 (removed 0) transitions.
// Phase 1: matrix 105 rows 96 cols
[2025-06-06 03:19:35] [INFO ] Computed 3 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:19:35] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-06 03:19:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:19:35] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-06 03:19:35] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 96/99 places, 105/108 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 36355 ms. Remains : 96/99 places, 105/108 transitions.
[2025-06-06 03:19:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[12, 12]
RANDOM walk for 1000000 steps (224390 resets) in 961 ms. (1039 steps per ms)
BEST_FIRST walk for 2000000 steps (207234 resets) in 951 ms. (2100 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[12, 12]
[2025-06-06 03:19:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 03:19:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:19:37] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-06 03:19:37] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-06 03:19:37] [INFO ] [Real]Added 40 Read/Feed constraints in 11 ms returned sat
[2025-06-06 03:19:37] [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 03:19:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:19:37] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-06 03:19:37] [INFO ] [Nat]Added 40 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:19:37] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 3 ms to minimize.
[2025-06-06 03:19:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2025-06-06 03:19:38] [INFO ] Computed and/alt/rep : 24/63/24 causal constraints (skipped 80 transitions) in 8 ms.
[2025-06-06 03:19:38] [INFO ] Added : 13 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 03:19:38] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:19:38] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-06 03:19:38] [INFO ] [Real]Added 40 Read/Feed constraints in 10 ms returned sat
[2025-06-06 03:19:38] [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 03:19:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 03:19:38] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-06 03:19:38] [INFO ] [Nat]Added 40 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:19:38] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 3 ms to minimize.
[2025-06-06 03:19:38] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2025-06-06 03:19:38] [INFO ] Computed and/alt/rep : 24/63/24 causal constraints (skipped 80 transitions) in 6 ms.
[2025-06-06 03:19:38] [INFO ] Added : 14 causal constraints over 3 iterations in 39 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[12, 12]
Support contains 2 out of 96 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 105/105 transitions.
Applied a total of 0 rules in 5 ms. Remains 96 /96 variables (removed 0) and now considering 105/105 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 96/96 places, 105/105 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 96/96 places, 105/105 transitions.
Applied a total of 0 rules in 5 ms. Remains 96 /96 variables (removed 0) and now considering 105/105 (removed 0) transitions.
[2025-06-06 03:19:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:19:38] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-06-06 03:19:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:19:38] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-06 03:19:38] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:19:38] [INFO ] Redundant transitions in 3 ms returned []
Running 104 sub problems to find dead transitions.
[2025-06-06 03:19:38] [INFO ] Invariant cache hit.
[2025-06-06 03:19:38] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 2 (OVERLAPS) 1/95 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 104 unsolved
Problem TDEAD34 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD93 is UNSAT
At refinement iteration 4 (OVERLAPS) 105/200 variables, 95/98 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 40/138 constraints. Problems are: Problem set: 3 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:19:40] [INFO ] Deduced a trap along path composed of 20 places in 29 ms of which 1 ms to minimize.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/200 variables, 1/139 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/200 variables, 0/139 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 1/201 variables, 1/140 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/201 variables, 0/140 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 10 (OVERLAPS) 0/201 variables, 0/140 constraints. Problems are: Problem set: 3 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 140 constraints, problems are : Problem set: 3 solved, 101 unsolved in 6604 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 104/104 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 3 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 2 (OVERLAPS) 1/92 variables, 2/3 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 104/196 variables, 92/95 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 39/134 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 13/147 constraints. Problems are: Problem set: 3 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:19:47] [INFO ] Deduced a trap composed of 11 places in 57 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/148 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/149 constraints. Problems are: Problem set: 3 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:19:50] [INFO ] Deduced a trap composed of 29 places in 36 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 1/150 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/196 variables, 0/150 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 11 (OVERLAPS) 5/201 variables, 4/154 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/201 variables, 1/155 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/201 variables, 88/243 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/201 variables, 0/243 constraints. Problems are: Problem set: 3 solved, 101 unsolved
At refinement iteration 15 (OVERLAPS) 0/201 variables, 0/243 constraints. Problems are: Problem set: 3 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 243 constraints, problems are : Problem set: 3 solved, 101 unsolved in 24103 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 96/96 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 101/104 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 30763ms problems are : Problem set: 3 solved, 101 unsolved
Search for dead transitions found 3 dead transitions in 30764ms
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 : 96/96 places, 102/105 transitions.
Graph (complete) has 264 edges and 96 vertex of which 93 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 12 ms. Remains 93 /96 variables (removed 3) and now considering 102/102 (removed 0) transitions.
// Phase 1: matrix 102 rows 93 cols
[2025-06-06 03:20:09] [INFO ] Computed 3 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:20:09] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-06 03:20:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:20:09] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-06 03:20:09] [INFO ] Implicit Places using invariants and state equation in 192 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 : 93/96 places, 102/105 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 31323 ms. Remains : 93/96 places, 102/105 transitions.
[2025-06-06 03:20:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[12, 12]
RANDOM walk for 1000000 steps (224160 resets) in 1004 ms. (995 steps per ms)
BEST_FIRST walk for 2000000 steps (206557 resets) in 987 ms. (2024 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[12, 12]
[2025-06-06 03:20:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 03:20:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 03:20:11] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-06 03:20:11] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-06 03:20:11] [INFO ] [Real]Added 39 Read/Feed constraints in 17 ms returned sat
[2025-06-06 03:20:11] [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 03:20:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:20:11] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-06 03:20:11] [INFO ] [Nat]Added 39 Read/Feed constraints in 9 ms returned sat
[2025-06-06 03:20:11] [INFO ] Computed and/alt/rep : 23/58/23 causal constraints (skipped 78 transitions) in 6 ms.
[2025-06-06 03:20:11] [INFO ] Added : 14 causal constraints over 3 iterations in 39 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 03:20:12] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:20:12] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-06 03:20:12] [INFO ] [Real]Added 39 Read/Feed constraints in 13 ms returned sat
[2025-06-06 03:20:12] [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 03:20:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:20:12] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-06 03:20:12] [INFO ] [Nat]Added 39 Read/Feed constraints in 7 ms returned sat
[2025-06-06 03:20:12] [INFO ] Computed and/alt/rep : 23/58/23 causal constraints (skipped 78 transitions) in 6 ms.
[2025-06-06 03:20:12] [INFO ] Added : 17 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[12, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[12, 12]
Support contains 2 out of 93 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 93 /93 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 93/93 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 93 /93 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2025-06-06 03:20:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:20:12] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-06 03:20:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:20:12] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-06 03:20:12] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:20:12] [INFO ] Redundant transitions in 2 ms returned []
Running 101 sub problems to find dead transitions.
[2025-06-06 03:20:12] [INFO ] Invariant cache hit.
[2025-06-06 03:20:12] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (OVERLAPS) 1/92 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/194 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 39/134 constraints. Problems are: Problem set: 0 solved, 101 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (OVERLAPS) 1/195 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/195 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 135 constraints, problems are : Problem set: 0 solved, 101 unsolved in 5204 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (OVERLAPS) 1/92 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 102/194 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 39/134 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 88/222 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:20:22] [INFO ] Deduced a trap along path composed of 5 places in 15 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:20:28] [INFO ] Deduced a trap along path composed of 20 places in 26 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 10 (OVERLAPS) 1/195 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/195 variables, 13/238 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/195 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 13 (OVERLAPS) 0/195 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 238 constraints, problems are : Problem set: 0 solved, 101 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 93/93 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 35263ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 35264ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35532 ms. Remains : 93/93 places, 102/102 transitions.
[2025-06-06 03:20:48] [INFO ] Flatten gal took : 35 ms
RANDOM walk for 40000 steps (8937 resets) in 1142 ms. (34 steps per ms) remains 4/4 properties
[2025-06-06 03:20:48] [INFO ] Flatten gal took : 17 ms
[2025-06-06 03:20:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5390390313791366668.gal : 8 ms
[2025-06-06 03:20:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12339605271187339566.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/ReachabilityCardinality5390390313791366668.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12339605271187339566.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/ReachabilityCardinality12339605271187339566.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :7 after 41
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :41 after 194
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :194 after 222
BEST_FIRST walk for 40004 steps (4131 resets) in 435 ms. (91 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :222 after 914
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :914 after 2680
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :2680 after 4768
BEST_FIRST walk for 40001 steps (4093 resets) in 288 ms. (138 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (4175 resets) in 131 ms. (303 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :4768 after 37584
BEST_FIRST walk for 40002 steps (4105 resets) in 142 ms. (279 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :37584 after 109510
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :109510 after 1.18022e+06
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :1.18022e+06 after 1.167e+07
Interrupted probabilistic random walk after 885809 steps, run timeout after 3001 ms. (steps per millisecond=295 ) properties seen :2 out of 4
Probabilistic random walk after 885809 steps, saw 418175 distinct states, run finished after 3007 ms. (steps per millisecond=294 ) properties seen :2
[2025-06-06 03:20:51] [INFO ] Invariant cache hit.
[2025-06-06 03:20:51] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 77/82 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/82 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 107/189 variables, 81/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 26/127 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
After SMT solving in domain Real declared 195/195 variables, and 129 constraints, problems are : Problem set: 2 solved, 0 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 87/93 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94ms problems are : Problem set: 2 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] Max Struct:[12, 12]
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m18-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[12]
[2025-06-06 03:20:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 10000 steps (2249 resets) in 20 ms. (476 steps per ms)
BEST_FIRST walk for 10000 steps (1049 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2025-06-06 03:20:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 03:20:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 03:20:51] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-06 03:20:51] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-06 03:20:51] [INFO ] [Real]Added 39 Read/Feed constraints in 12 ms returned sat
[2025-06-06 03:20:51] [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 03:20:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 03:20:51] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-06 03:20:51] [INFO ] [Nat]Added 39 Read/Feed constraints in 9 ms returned sat
[2025-06-06 03:20:51] [INFO ] Computed and/alt/rep : 23/58/23 causal constraints (skipped 78 transitions) in 6 ms.
[2025-06-06 03:20:51] [INFO ] Added : 14 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[12]
Support contains 1 out of 93 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 102/102 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 92 transition count 101
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 92 transition count 101
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 92 transition count 100
Applied a total of 3 rules in 7 ms. Remains 92 /93 variables (removed 1) and now considering 100/102 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 92/93 places, 100/102 transitions.
// Phase 1: matrix 100 rows 92 cols
[2025-06-06 03:20:51] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 1000000 steps (224501 resets) in 968 ms. (1031 steps per ms)
BEST_FIRST walk for 1000001 steps (102839 resets) in 472 ms. (2114 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2025-06-06 03:20:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 03:20:53] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 03:20:53] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 03:20:53] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-06 03:20:53] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-06 03:20:53] [INFO ] [Real]Added 38 Read/Feed constraints in 11 ms returned sat
[2025-06-06 03:20:53] [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 03:20:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 03:20:53] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 03:20:53] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-06 03:20:53] [INFO ] [Nat]Added 38 Read/Feed constraints in 8 ms returned sat
[2025-06-06 03:20:53] [INFO ] Computed and/alt/rep : 23/56/23 causal constraints (skipped 76 transitions) in 5 ms.
[2025-06-06 03:20:53] [INFO ] Added : 14 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[12]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 100/100 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 92/92 places, 100/100 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 100/100 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2025-06-06 03:20:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:20:53] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-06 03:20:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:20:53] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-06 03:20:53] [INFO ] Implicit Places using invariants and state equation in 159 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:20:53] [INFO ] Redundant transitions in 2 ms returned []
Running 99 sub problems to find dead transitions.
[2025-06-06 03:20:53] [INFO ] Invariant cache hit.
[2025-06-06 03:20:53] [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) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 100/191 variables, 91/94 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 38/132 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 1/192 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 99 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:20:59] [INFO ] Deduced a trap along path composed of 20 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/192 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/192 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 12 (OVERLAPS) 0/192 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 134 constraints, problems are : Problem set: 0 solved, 99 unsolved in 10067 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (OVERLAPS) 1/91 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 100/191 variables, 91/94 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 38/132 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 87/219 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/191 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 10 (OVERLAPS) 1/192 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/192 variables, 12/233 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/192 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 13 (OVERLAPS) 0/192 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 233 constraints, problems are : Problem set: 0 solved, 99 unsolved in 26680 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 36788ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 36790ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37020 ms. Remains : 92/92 places, 100/100 transitions.
[2025-06-06 03:21:30] [INFO ] Flatten gal took : 33 ms
RANDOM walk for 40000 steps (9041 resets) in 170 ms. (233 steps per ms) remains 2/2 properties
[2025-06-06 03:21:30] [INFO ] Flatten gal took : 14 ms
[2025-06-06 03:21:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality411206417941411254.gal : 7 ms
[2025-06-06 03:21:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2313836395331257543.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/ReachabilityCardinality411206417941411254.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2313836395331257543.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 ...327
Loading property file /tmp/ReachabilityCardinality2313836395331257543.prop.
BEST_FIRST walk for 40003 steps (4128 resets) in 100 ms. (396 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
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :41 after 178
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :178 after 214
BEST_FIRST walk for 40003 steps (4159 resets) in 111 ms. (357 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :214 after 628
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :628 after 2424
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :2424 after 3760
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3760 after 28124
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :28124 after 52827
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :52827 after 411377
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :411377 after 5.13835e+06
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :5.13835e+06 after 7.27747e+07
Interrupted probabilistic random walk after 2952767 steps, run timeout after 3001 ms. (steps per millisecond=983 ) properties seen :1 out of 2
Probabilistic random walk after 2952767 steps, saw 1383327 distinct states, run finished after 3001 ms. (steps per millisecond=983 ) properties seen :1
[2025-06-06 03:21:33] [INFO ] Invariant cache hit.
[2025-06-06 03:21:33] [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) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 14/16 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 77/93 variables, 15/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 14/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 93/186 variables, 69/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/186 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/186 variables, 24/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 192/192 variables, and 126 constraints, problems are : Problem set: 1 solved, 0 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 86/92 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 82ms 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:[12]
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m18-UpperBounds-06 in 42249 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m18-UpperBounds-07
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:[12]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[12]
// Phase 1: matrix 102 rows 93 cols
[2025-06-06 03:21:33] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 10000 steps (2192 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (1057 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2025-06-06 03:21:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 03:21:33] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-06 03:21:33] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-06 03:21:33] [INFO ] State equation strengthened by 39 read => feed constraints.
[2025-06-06 03:21:33] [INFO ] [Real]Added 39 Read/Feed constraints in 13 ms returned sat
[2025-06-06 03:21:33] [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 03:21:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:21:34] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-06 03:21:34] [INFO ] [Nat]Added 39 Read/Feed constraints in 8 ms returned sat
[2025-06-06 03:21:34] [INFO ] Computed and/alt/rep : 23/58/23 causal constraints (skipped 78 transitions) in 7 ms.
[2025-06-06 03:21:34] [INFO ] Added : 17 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[12]
Support contains 1 out of 93 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 93/93 places, 102/102 transitions.
Graph (complete) has 262 edges and 93 vertex of which 92 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 92 transition count 101
Applied a total of 2 rules in 4 ms. Remains 92 /93 variables (removed 1) and now considering 101/102 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 92/93 places, 101/102 transitions.
// Phase 1: matrix 101 rows 92 cols
[2025-06-06 03:21:34] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 1000000 steps (224556 resets) in 934 ms. (1069 steps per ms)
BEST_FIRST walk for 1000000 steps (103436 resets) in 493 ms. (2024 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2025-06-06 03:21:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 03:21:35] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 03:21:35] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-06 03:21:35] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-06 03:21:35] [INFO ] [Real]Added 38 Read/Feed constraints in 12 ms returned sat
[2025-06-06 03:21:35] [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 03:21:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 03:21:35] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-06 03:21:35] [INFO ] [Nat]Added 38 Read/Feed constraints in 9 ms returned sat
[2025-06-06 03:21:35] [INFO ] Computed and/alt/rep : 23/58/23 causal constraints (skipped 77 transitions) in 7 ms.
[2025-06-06 03:21:35] [INFO ] Added : 15 causal constraints over 4 iterations in 50 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[12]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 101/101 transitions.
Applied a total of 0 rules in 12 ms. Remains 92 /92 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 92/92 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 101/101 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2025-06-06 03:21:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:21:35] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-06 03:21:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 03:21:35] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-06 03:21:36] [INFO ] Implicit Places using invariants and state equation in 161 ms returned []
Implicit Place search using SMT with State Equation took 221 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 03:21:36] [INFO ] Redundant transitions in 2 ms returned []
Running 100 sub problems to find dead transitions.
[2025-06-06 03:21:36] [INFO ] Invariant cache hit.
[2025-06-06 03:21:36] [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) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (OVERLAPS) 1/92 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (OVERLAPS) 101/193 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 38/133 constraints. Problems are: Problem set: 0 solved, 100 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (OVERLAPS) 0/193 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 133 constraints, problems are : Problem set: 0 solved, 100 unsolved in 2823 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (OVERLAPS) 1/92 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (OVERLAPS) 101/193 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 38/133 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 100/233 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:21:43] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 03:21:43] [INFO ] Deduced a trap along path composed of 20 places in 31 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/193 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 235 constraints, problems are : Problem set: 0 solved, 100 unsolved in 24277 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 27134ms problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 27135ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27366 ms. Remains : 92/92 places, 101/101 transitions.
[2025-06-06 03:22:03] [INFO ] Flatten gal took : 17 ms
RANDOM walk for 40000 steps (9060 resets) in 126 ms. (314 steps per ms) remains 2/2 properties
[2025-06-06 03:22:03] [INFO ] Flatten gal took : 11 ms
[2025-06-06 03:22:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8115708172177159869.gal : 3 ms
[2025-06-06 03:22:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17199920647829351866.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/ReachabilityCardinality8115708172177159869.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17199920647829351866.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/ReachabilityCardinality17199920647829351866.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
BEST_FIRST walk for 40001 steps (4137 resets) in 69 ms. (571 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 41
BEST_FIRST walk for 40003 steps (4085 resets) in 52 ms. (754 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 218
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :218 after 812
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :812 after 2680
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :2680 after 4632
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :4632 after 39638
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :39638 after 117688
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :117688 after 1.38468e+06
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.38468e+06 after 1.18708e+07
Interrupted probabilistic random walk after 3057074 steps, run timeout after 3001 ms. (steps per millisecond=1018 ) properties seen :1 out of 2
Probabilistic random walk after 3057074 steps, saw 1451652 distinct states, run finished after 3001 ms. (steps per millisecond=1018 ) properties seen :1
[2025-06-06 03:22:06] [INFO ] Invariant cache hit.
[2025-06-06 03:22:06] [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) 77/80 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/80 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 107/187 variables, 81/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/187 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/187 variables, 26/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/187 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 193/193 variables, and 127 constraints, problems are : Problem set: 1 solved, 0 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/92 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 97ms 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:[12]
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m18-UpperBounds-07 in 32575 ms.
[2025-06-06 03:22:06] [INFO ] Flatten gal took : 13 ms
[2025-06-06 03:22:06] [INFO ] Applying decomposition
[2025-06-06 03:22:06] [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/graph14704547233338834787.txt' '-o' '/tmp/graph14704547233338834787.bin' '-w' '/tmp/graph14704547233338834787.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14704547233338834787.bin' '-l' '-1' '-v' '-w' '/tmp/graph14704547233338834787.weights' '-q' '0' '-e' '0.001'
[2025-06-06 03:22:06] [INFO ] Decomposing Gal with order
[2025-06-06 03:22:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 03:22:06] [INFO ] Removed a total of 92 redundant transitions.
[2025-06-06 03:22:06] [INFO ] Flatten gal took : 58 ms
[2025-06-06 03:22:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 56 labels/synchronizations in 8 ms.
[2025-06-06 03:22:06] [INFO ] Time to serialize gal into /tmp/UpperBounds9361407455335354438.gal : 3 ms
[2025-06-06 03:22:06] [INFO ] Time to serialize properties into /tmp/UpperBounds10789246245314255749.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/UpperBounds9361407455335354438.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds10789246245314255749.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/UpperBounds10789246245314255749.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.03628e+10,601.07,3716348,12192,1626,1.00448e+06,22735,302,4.55711e+07,114,371838,0
Total reachable state count : 10362787734

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SieveSingleMsgMbox-PT-d2m18-UpperBounds-06 :0 <= u20.l1834 <= 1
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SieveSingleMsgMbox-PT-d2m18-UpperBounds-06,0,607.712,3716348,1,0,1.00448e+06,65308,414,4.55711e+07,135,375624,7959
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SieveSingleMsgMbox-PT-d2m18-UpperBounds-07 :0 <= u20.l1681 <= 1
FORMULA SieveSingleMsgMbox-PT-d2m18-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SieveSingleMsgMbox-PT-d2m18-UpperBounds-07,0,607.86,3716348,1,0,1.00448e+06,65325,433,4.55711e+07,154,376096,7970
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 810641 ms.

BK_STOP 1749180735701

--------------------
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-d2m18"
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-d2m18, 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-174901994400469"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m18.tgz
mv SieveSingleMsgMbox-PT-d2m18 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 ;