About the Execution of ITS-Tools for SieveSingleMsgMbox-PT-d2m64
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | 0 0 ? 0 ? 0 0 ? 0 0 0 0 0 0 0 0 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994400485.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-d2m64, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994400485
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K 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 4.1K 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-d2m64-UpperBounds-00
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-01
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-02
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-03
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-04
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-05
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-06
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-07
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-08
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-09
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-10
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-11
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-12
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-13
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-14
FORMULA_NAME SieveSingleMsgMbox-PT-d2m64-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1749191246891
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-d2m64
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-06 06:27:28] [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 06:27:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 06:27:28] [INFO ] Load time of PNML (sax parser for PT used): 158 ms
[2025-06-06 06:27:28] [INFO ] Transformed 2398 places.
[2025-06-06 06:27:28] [INFO ] Transformed 1954 transitions.
[2025-06-06 06:27:28] [INFO ] Parsed PT model containing 2398 places and 1954 transitions and 7816 arcs in 283 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 1984 places in 31 ms
Reduce places removed 1984 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d2m64-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 06:27:28] [INFO ] Computed 6 invariants in 74 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[115, 42, 12]
RANDOM walk for 10000 steps (2184 resets) in 360 ms. (27 steps per ms)
BEST_FIRST walk for 30001 steps (2817 resets) in 216 ms. (138 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[115, 42, 12]
[2025-06-06 06:27:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 06:27:29] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-06 06:27:29] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 5 ms returned sat
[2025-06-06 06:27:29] [INFO ] [Real]Absence check using state equation in 404 ms returned sat
[2025-06-06 06:27:29] [INFO ] State equation strengthened by 1674 read => feed constraints.
[2025-06-06 06:27:30] [INFO ] [Real]Added 1674 Read/Feed constraints in 346 ms returned sat
[2025-06-06 06:27:30] [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 06:27:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 06:27:30] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 2 ms returned sat
[2025-06-06 06:27:30] [INFO ] [Nat]Absence check using state equation in 336 ms returned sat
[2025-06-06 06:27:31] [INFO ] [Nat]Added 1674 Read/Feed constraints in 364 ms returned sat
[2025-06-06 06:27:31] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 409 ms.
[2025-06-06 06:27:32] [INFO ] Added : 23 causal constraints over 5 iterations in 1355 ms. Result :sat
Minimization took 749 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 06:27:33] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 06:27:33] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-06 06:27:33] [INFO ] [Real]Absence check using state equation in 316 ms returned sat
[2025-06-06 06:27:34] [INFO ] [Real]Added 1674 Read/Feed constraints in 278 ms returned sat
[2025-06-06 06:27:34] [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 06:27:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 06:27:34] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-06 06:27:34] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2025-06-06 06:27:34] [INFO ] [Nat]Added 1674 Read/Feed constraints in 510 ms returned sat
[2025-06-06 06:27:35] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 389 ms.
[2025-06-06 06:27:36] [INFO ] Added : 28 causal constraints over 6 iterations in 1231 ms. Result :sat
Minimization took 541 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 06:27:36] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-06 06:27:36] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 3 ms returned sat
[2025-06-06 06:27:37] [INFO ] [Real]Absence check using state equation in 310 ms returned sat
[2025-06-06 06:27:37] [INFO ] [Real]Added 1674 Read/Feed constraints in 325 ms returned sat
[2025-06-06 06:27:37] [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 06:27:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 06:27:37] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2025-06-06 06:27:37] [INFO ] [Nat]Absence check using state equation in 335 ms returned sat
[2025-06-06 06:27:38] [INFO ] [Nat]Added 1674 Read/Feed constraints in 623 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:27:38] [INFO ] Deduced a trap composed of 44 places in 223 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:27:39] [INFO ] Deduced a trap composed of 45 places in 205 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:27:39] [INFO ] Deduced a trap composed of 122 places in 226 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:27:39] [INFO ] Deduced a trap composed of 155 places in 78 ms of which 5 ms to minimize.
[2025-06-06 06:27:39] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1222 ms
[2025-06-06 06:27:39] [INFO ] Computed and/alt/rep : 141/395/141 causal constraints (skipped 1812 transitions) in 192 ms.
[2025-06-06 06:27:41] [INFO ] Added : 38 causal constraints over 8 iterations in 1388 ms. Result :sat
Minimization took 535 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[115, 42, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[115, 42, 12]
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.5 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 118 places :
Symmetric choice reduction at 1 with 118 rule applications. Total rules 949 place count 270 transition count 389
Iterating global reduction 1 with 118 rules applied. Total rules applied 1067 place count 270 transition count 389
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 1077 place count 270 transition count 379
Discarding 91 places :
Symmetric choice reduction at 2 with 91 rule applications. Total rules 1168 place count 179 transition count 288
Iterating global reduction 2 with 91 rules applied. Total rules applied 1259 place count 179 transition count 288
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 2 with 35 rules applied. Total rules applied 1294 place count 179 transition count 253
Discarding 36 places :
Symmetric choice reduction at 3 with 36 rule applications. Total rules 1330 place count 143 transition count 205
Iterating global reduction 3 with 36 rules applied. Total rules applied 1366 place count 143 transition count 205
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 3 with 25 rules applied. Total rules applied 1391 place count 143 transition count 180
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 1399 place count 135 transition count 167
Iterating global reduction 4 with 8 rules applied. Total rules applied 1407 place count 135 transition count 167
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 1415 place count 127 transition count 159
Iterating global reduction 4 with 8 rules applied. Total rules applied 1423 place count 127 transition count 159
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 1427 place count 123 transition count 154
Iterating global reduction 4 with 4 rules applied. Total rules applied 1431 place count 123 transition count 154
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 1435 place count 119 transition count 150
Iterating global reduction 4 with 4 rules applied. Total rules applied 1439 place count 119 transition count 150
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 1443 place count 115 transition count 146
Iterating global reduction 4 with 4 rules applied. Total rules applied 1447 place count 115 transition count 146
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 1449 place count 113 transition count 142
Iterating global reduction 4 with 2 rules applied. Total rules applied 1451 place count 113 transition count 142
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 1452 place count 112 transition count 141
Iterating global reduction 4 with 1 rules applied. Total rules applied 1453 place count 112 transition count 141
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 1454 place count 111 transition count 140
Iterating global reduction 4 with 1 rules applied. Total rules applied 1455 place count 111 transition count 140
Applied a total of 1455 rules in 110 ms. Remains 111 /414 variables (removed 303) and now considering 140/1954 (removed 1814) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 120 ms. Remains : 111/414 places, 140/1954 transitions.
// Phase 1: matrix 140 rows 111 cols
[2025-06-06 06:27:41] [INFO ] Computed 4 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
RANDOM walk for 1000000 steps (224274 resets) in 1308 ms. (763 steps per ms)
BEST_FIRST walk for 3000001 steps (310017 resets) in 1939 ms. (1546 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
[2025-06-06 06:27:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-06 06:27:45] [INFO ] State equation strengthened by 61 read => feed constraints.
[2025-06-06 06:27:45] [INFO ] [Real]Added 61 Read/Feed constraints in 14 ms returned sat
[2025-06-06 06:27:45] [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 06:27:45] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Nat]Added 61 Read/Feed constraints in 17 ms returned sat
[2025-06-06 06:27:45] [INFO ] Computed and/alt/rep : 29/84/29 causal constraints (skipped 110 transitions) in 24 ms.
[2025-06-06 06:27:45] [INFO ] Added : 12 causal constraints over 3 iterations in 73 ms. Result :sat
Minimization took 112 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Real]Added 61 Read/Feed constraints in 11 ms returned sat
[2025-06-06 06:27:45] [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 06:27:45] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Nat]Added 61 Read/Feed constraints in 20 ms returned sat
[2025-06-06 06:27:45] [INFO ] Computed and/alt/rep : 29/84/29 causal constraints (skipped 110 transitions) in 11 ms.
[2025-06-06 06:27:45] [INFO ] Added : 17 causal constraints over 4 iterations in 78 ms. Result :sat
Minimization took 58 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Real]Added 61 Read/Feed constraints in 26 ms returned sat
[2025-06-06 06:27:45] [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 06:27:45] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 06:27:45] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-06-06 06:27:46] [INFO ] [Nat]Added 61 Read/Feed constraints in 20 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:27:46] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 3 ms to minimize.
[2025-06-06 06:27:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2025-06-06 06:27:46] [INFO ] Computed and/alt/rep : 29/84/29 causal constraints (skipped 110 transitions) in 16 ms.
[2025-06-06 06:27:46] [INFO ] Added : 23 causal constraints over 5 iterations in 105 ms. Result :sat
Minimization took 62 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
Support contains 3 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 140/140 transitions.
Applied a total of 0 rules in 9 ms. Remains 111 /111 variables (removed 0) and now considering 140/140 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 111/111 places, 140/140 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 140/140 transitions.
Applied a total of 0 rules in 8 ms. Remains 111 /111 variables (removed 0) and now considering 140/140 (removed 0) transitions.
[2025-06-06 06:27:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:27:46] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-06 06:27:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:27:46] [INFO ] State equation strengthened by 61 read => feed constraints.
[2025-06-06 06:27:46] [INFO ] Implicit Places using invariants and state equation in 347 ms returned []
Implicit Place search using SMT with State Equation took 428 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 06:27:46] [INFO ] Redundant transitions in 4 ms returned []
Running 139 sub problems to find dead transitions.
[2025-06-06 06:27:46] [INFO ] Invariant cache hit.
[2025-06-06 06:27:46] [INFO ] State equation strengthened by 61 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 3 (OVERLAPS) 1/111 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 5 (OVERLAPS) 140/251 variables, 111/115 constraints. Problems are: Problem set: 0 solved, 139 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 61/176 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/251 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 8 (OVERLAPS) 0/251 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 139 unsolved
No progress, stopping.
After SMT solving in domain Real declared 251/251 variables, and 176 constraints, problems are : Problem set: 0 solved, 139 unsolved in 7865 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 111/111 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 139/139 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 139 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 3 (OVERLAPS) 1/111 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 5 (OVERLAPS) 140/251 variables, 111/115 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 61/176 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/251 variables, 139/315 constraints. Problems are: Problem set: 0 solved, 139 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:27:59] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 3 ms to minimize.
Problem TDEAD37 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD126 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/251 variables, 1/316 constraints. Problems are: Problem set: 3 solved, 136 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/251 variables, 0/316 constraints. Problems are: Problem set: 3 solved, 136 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 251/251 variables, and 316 constraints, problems are : Problem set: 3 solved, 136 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 111/111 constraints, ReadFeed: 61/61 constraints, PredecessorRefiner: 139/139 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38031ms problems are : Problem set: 3 solved, 136 unsolved
Search for dead transitions found 3 dead transitions in 38036ms
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 : 111/111 places, 137/140 transitions.
Graph (complete) has 322 edges and 111 vertex of which 108 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 108 /111 variables (removed 3) and now considering 137/137 (removed 0) transitions.
// Phase 1: matrix 137 rows 108 cols
[2025-06-06 06:28:24] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:28:24] [INFO ] Implicit Places using invariants in 81 ms returned []
[2025-06-06 06:28:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:28:24] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-06 06:28:25] [INFO ] Implicit Places using invariants and state equation in 297 ms returned []
Implicit Place search using SMT with State Equation took 382 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 108/111 places, 137/140 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 38876 ms. Remains : 108/111 places, 137/140 transitions.
[2025-06-06 06:28:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
RANDOM walk for 1000000 steps (224425 resets) in 1233 ms. (810 steps per ms)
BEST_FIRST walk for 3000002 steps (309714 resets) in 1847 ms. (1623 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
[2025-06-06 06:28:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:28:28] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-06 06:28:28] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-06 06:28:28] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-06 06:28:28] [INFO ] [Real]Added 60 Read/Feed constraints in 13 ms returned sat
[2025-06-06 06:28:28] [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 06:28:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:28:28] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-06 06:28:28] [INFO ] [Nat]Added 60 Read/Feed constraints in 10 ms returned sat
[2025-06-06 06:28:28] [INFO ] Computed and/alt/rep : 28/78/28 causal constraints (skipped 108 transitions) in 7 ms.
[2025-06-06 06:28:28] [INFO ] Added : 14 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 106 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:28:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:28:28] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2025-06-06 06:28:28] [INFO ] [Real]Added 60 Read/Feed constraints in 14 ms returned sat
[2025-06-06 06:28:28] [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 06:28:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:28:28] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2025-06-06 06:28:28] [INFO ] [Nat]Added 60 Read/Feed constraints in 14 ms returned sat
[2025-06-06 06:28:28] [INFO ] Computed and/alt/rep : 28/78/28 causal constraints (skipped 108 transitions) in 8 ms.
[2025-06-06 06:28:28] [INFO ] Added : 16 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:28:28] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-06 06:28:29] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-06 06:28:29] [INFO ] [Real]Added 60 Read/Feed constraints in 17 ms returned sat
[2025-06-06 06:28:29] [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 06:28:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:28:29] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-06 06:28:29] [INFO ] [Nat]Added 60 Read/Feed constraints in 16 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:28:29] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 3 ms to minimize.
[2025-06-06 06:28:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2025-06-06 06:28:29] [INFO ] Computed and/alt/rep : 28/78/28 causal constraints (skipped 108 transitions) in 12 ms.
[2025-06-06 06:28:29] [INFO ] Added : 20 causal constraints over 4 iterations in 69 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
Support contains 3 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 137/137 transitions.
Applied a total of 0 rules in 5 ms. Remains 108 /108 variables (removed 0) and now considering 137/137 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 108/108 places, 137/137 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 137/137 transitions.
Applied a total of 0 rules in 5 ms. Remains 108 /108 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2025-06-06 06:28:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:28:29] [INFO ] Implicit Places using invariants in 80 ms returned []
[2025-06-06 06:28:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:28:29] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-06-06 06:28:29] [INFO ] Implicit Places using invariants and state equation in 300 ms returned []
Implicit Place search using SMT with State Equation took 381 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 06:28:29] [INFO ] Redundant transitions in 5 ms returned []
Running 136 sub problems to find dead transitions.
[2025-06-06 06:28:29] [INFO ] Invariant cache hit.
[2025-06-06 06:28:29] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/108 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Problem TDEAD34 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD121 is UNSAT
At refinement iteration 4 (OVERLAPS) 137/245 variables, 108/111 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/245 variables, 60/171 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 0/171 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 7 (OVERLAPS) 0/245 variables, 0/171 constraints. Problems are: Problem set: 3 solved, 133 unsolved
No progress, stopping.
After SMT solving in domain Real declared 245/245 variables, and 171 constraints, problems are : Problem set: 3 solved, 133 unsolved in 5992 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 108/108 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 133 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 2 (OVERLAPS) 1/105 variables, 2/3 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 4 (OVERLAPS) 136/241 variables, 105/108 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 59/167 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 15/182 constraints. Problems are: Problem set: 3 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:28:38] [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) 0/241 variables, 1/183 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 0/183 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 9 (OVERLAPS) 4/245 variables, 3/186 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 1/187 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/245 variables, 118/305 constraints. Problems are: Problem set: 3 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:28:49] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/245 variables, 1/306 constraints. Problems are: Problem set: 3 solved, 133 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/245 variables, 0/306 constraints. Problems are: Problem set: 3 solved, 133 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 245/245 variables, and 306 constraints, problems are : Problem set: 3 solved, 133 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 108/108 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 133/136 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 36097ms problems are : Problem set: 3 solved, 133 unsolved
Search for dead transitions found 3 dead transitions in 36098ms
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 : 108/108 places, 134/137 transitions.
Graph (complete) has 313 edges and 108 vertex of which 105 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 105 /108 variables (removed 3) and now considering 134/134 (removed 0) transitions.
// Phase 1: matrix 134 rows 105 cols
[2025-06-06 06:29:05] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:29:05] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-06-06 06:29:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:29:06] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-06 06:29:06] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 105/108 places, 134/137 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 36809 ms. Remains : 105/108 places, 134/137 transitions.
[2025-06-06 06:29:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
RANDOM walk for 1000000 steps (224246 resets) in 1252 ms. (798 steps per ms)
BEST_FIRST walk for 3000001 steps (310387 resets) in 1874 ms. (1600 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
[2025-06-06 06:29:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:29:09] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:29:09] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-06 06:29:09] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-06 06:29:09] [INFO ] [Real]Added 59 Read/Feed constraints in 12 ms returned sat
[2025-06-06 06:29:09] [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 06:29:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-06 06:29:09] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-06-06 06:29:09] [INFO ] [Nat]Added 59 Read/Feed constraints in 12 ms returned sat
[2025-06-06 06:29:09] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 106 transitions) in 8 ms.
[2025-06-06 06:29:09] [INFO ] Added : 13 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 97 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:29:09] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:29:09] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-06 06:29:09] [INFO ] [Real]Added 59 Read/Feed constraints in 23 ms returned sat
[2025-06-06 06:29:09] [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 06:29:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:29:09] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2025-06-06 06:29:09] [INFO ] [Nat]Added 59 Read/Feed constraints in 11 ms returned sat
[2025-06-06 06:29:09] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 106 transitions) in 8 ms.
[2025-06-06 06:29:09] [INFO ] Added : 15 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 59 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:29:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:29:10] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-06 06:29:10] [INFO ] [Real]Added 59 Read/Feed constraints in 29 ms returned sat
[2025-06-06 06:29:10] [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 06:29:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:29:10] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-06 06:29:10] [INFO ] [Nat]Added 59 Read/Feed constraints in 15 ms returned sat
[2025-06-06 06:29:10] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 106 transitions) in 8 ms.
[2025-06-06 06:29:10] [INFO ] Added : 21 causal constraints over 5 iterations in 80 ms. Result :sat
Minimization took 63 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
Support contains 3 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 134/134 transitions.
Applied a total of 0 rules in 5 ms. Remains 105 /105 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 105/105 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 134/134 transitions.
Applied a total of 0 rules in 5 ms. Remains 105 /105 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2025-06-06 06:29:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:29:10] [INFO ] Implicit Places using invariants in 78 ms returned []
[2025-06-06 06:29:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:29:10] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-06 06:29:10] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 06:29:10] [INFO ] Redundant transitions in 5 ms returned []
Running 133 sub problems to find dead transitions.
[2025-06-06 06:29:10] [INFO ] Invariant cache hit.
[2025-06-06 06:29:10] [INFO ] State equation strengthened by 59 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (OVERLAPS) 1/105 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (OVERLAPS) 134/239 variables, 105/108 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 59/167 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (OVERLAPS) 0/239 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 133 unsolved
No progress, stopping.
After SMT solving in domain Real declared 239/239 variables, and 167 constraints, problems are : Problem set: 0 solved, 133 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 105/105 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 2 (OVERLAPS) 1/105 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 4 (OVERLAPS) 134/239 variables, 105/108 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/239 variables, 59/167 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 133/300 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:29:36] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/239 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 133 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/239 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 133 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 239/239 variables, and 301 constraints, problems are : Problem set: 0 solved, 133 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 105/105 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 133/133 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 35098ms problems are : Problem set: 0 solved, 133 unsolved
Search for dead transitions found 0 dead transitions in 35099ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35434 ms. Remains : 105/105 places, 134/134 transitions.
RANDOM walk for 40000 steps (8923 resets) in 841 ms. (47 steps per ms) remains 6/6 properties
[2025-06-06 06:29:46] [INFO ] Flatten gal took : 60 ms
BEST_FIRST walk for 40003 steps (4204 resets) in 501 ms. (79 steps per ms) remains 6/6 properties
[2025-06-06 06:29:46] [INFO ] Flatten gal took : 22 ms
[2025-06-06 06:29:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2253606940074626694.gal : 17 ms
[2025-06-06 06:29:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9319308286953136807.prop : 1 ms
BEST_FIRST walk for 40003 steps (4109 resets) in 217 ms. (183 steps per ms) remains 6/6 properties
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/ReachabilityCardinality2253606940074626694.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9319308286953136807.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/ReachabilityCardinality9319308286953136807.prop.
BEST_FIRST walk for 40002 steps (4271 resets) in 148 ms. (268 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
BEST_FIRST walk for 40001 steps (4190 resets) in 162 ms. (245 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :41 after 207
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :207 after 262
BEST_FIRST walk for 40003 steps (4099 resets) in 138 ms. (287 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (4147 resets) in 100 ms. (396 steps per ms) remains 6/6 properties
Invariant property MIN0 does not hold.
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :262 after 2228
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :2228 after 2918
Invariant property MIN1 does not hold.
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :2918 after 3874
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :3874 after 4522
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :4522 after 37030
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :37030 after 85714
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :85714 after 469592
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :469592 after 4.12382e+06
Interrupted probabilistic random walk after 505092 steps, run timeout after 3001 ms. (steps per millisecond=168 ) properties seen :2 out of 6
Probabilistic random walk after 505092 steps, saw 229552 distinct states, run finished after 3009 ms. (steps per millisecond=167 ) properties seen :2
[2025-06-06 06:29:49] [INFO ] Invariant cache hit.
[2025-06-06 06:29:49] [INFO ] State equation strengthened by 59 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, 4 unsolved
At refinement iteration 1 (OVERLAPS) 49/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 8/60 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 92/152 variables, 60/63 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:29:49] [INFO ] Deduced a trap composed of 29 places in 28 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/152 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX1 is UNSAT
At refinement iteration 8 (OVERLAPS) 75/227 variables, 35/99 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/227 variables, 57/156 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/227 variables, 0/156 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem MAX2 is UNSAT
At refinement iteration 11 (OVERLAPS) 12/239 variables, 10/166 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/239 variables, 2/168 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:29:49] [INFO ] Deduced a trap composed of 12 places in 66 ms of which 6 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 13 (INCLUDED_ONLY) 0/239 variables, 1/169 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/239 variables, 0/169 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/239 variables, 0/169 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 239/239 variables, and 169 constraints, problems are : Problem set: 3 solved, 1 unsolved in 496 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 105/105 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
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: 3 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 14/15 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 105/120 variables, 15/16 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 29/45 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 1/46 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/120 variables, 0/46 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 113/233 variables, 83/129 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/233 variables, 1/130 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/233 variables, 30/160 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/233 variables, 1/161 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/233 variables, 0/161 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/239 variables, 2/163 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/239 variables, 6/169 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/239 variables, 1/170 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/239 variables, 0/170 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/239 variables, 0/170 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 239/239 variables, and 170 constraints, problems are : Problem set: 3 solved, 1 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 105/105 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 1/4 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 634ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 134/134 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 103 transition count 131
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 103 transition count 131
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 103 transition count 130
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 102 transition count 128
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 102 transition count 128
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 102 transition count 127
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 101 transition count 126
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 101 transition count 126
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 100 transition count 125
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 100 transition count 125
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 99 transition count 124
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 99 transition count 124
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 16 place count 99 transition count 122
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 17 place count 98 transition count 121
Iterating global reduction 3 with 1 rules applied. Total rules applied 18 place count 98 transition count 121
Applied a total of 18 rules in 14 ms. Remains 98 /105 variables (removed 7) and now considering 121/134 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 98/105 places, 121/134 transitions.
RANDOM walk for 40000 steps (9055 resets) in 160 ms. (248 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (4108 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :4.12382e+06 after 6.2591e+07
Interrupted probabilistic random walk after 2499201 steps, run timeout after 3001 ms. (steps per millisecond=832 ) properties seen :0 out of 1
Probabilistic random walk after 2499201 steps, saw 1048020 distinct states, run finished after 3001 ms. (steps per millisecond=832 ) properties seen :0
// Phase 1: matrix 121 rows 98 cols
[2025-06-06 06:29:53] [INFO ] Computed 3 invariants in 13 ms
[2025-06-06 06:29:53] [INFO ] State equation strengthened by 53 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 104/213 variables, 77/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 27/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/219 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 6/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 104/213 variables, 77/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 27/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/213 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/219 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 6/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/219 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/219 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 155 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 243ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 1 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 98/98 places, 121/121 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
[2025-06-06 06:29:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:29:53] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-06 06:29:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:29:53] [INFO ] State equation strengthened by 53 read => feed constraints.
[2025-06-06 06:29:53] [INFO ] Implicit Places using invariants and state equation in 191 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 06:29:53] [INFO ] Redundant transitions in 3 ms returned []
Running 120 sub problems to find dead transitions.
[2025-06-06 06:29:53] [INFO ] Invariant cache hit.
[2025-06-06 06:29:53] [INFO ] State equation strengthened by 53 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, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :6.2591e+07 after 1.54607e+09
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 120 unsolved in 4574 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 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) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 120/274 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 06:30:04] [INFO ] Deduced a trap along path composed of 5 places in 19 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :1.54607e+09 after 4.85152e+10
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (OVERLAPS) 0/219 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 275 constraints, problems are : Problem set: 0 solved, 120 unsolved in 22304 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 26926ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 26930ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27198 ms. Remains : 98/98 places, 121/121 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 113
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 14 place count 92 transition count 113
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 14 place count 92 transition count 98
Deduced a syphon composed of 15 places in 4 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 44 place count 77 transition count 98
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 56 place count 71 transition count 92
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 70 transition count 101
Applied a total of 58 rules in 25 ms. Remains 70 /98 variables (removed 28) and now considering 101/121 (removed 20) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 70 cols
[2025-06-06 06:30:20] [INFO ] Computed 4 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 06:30:20] [INFO ] After 25ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 06:30:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 06:30:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 06:30:20] [INFO ] After 27ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:30:20] [INFO ] Deduced a trap composed of 36 places in 41 ms of which 3 ms to minimize.
[2025-06-06 06:30:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
TRAPS : Iteration 1
[2025-06-06 06:30:20] [INFO ] After 96ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-06 06:30:20] [INFO ] After 128ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-06 06:30:20] [INFO ] Flatten gal took : 19 ms
[2025-06-06 06:30:20] [INFO ] Flatten gal took : 12 ms
[2025-06-06 06:30:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15334543717982812394.gal : 3 ms
[2025-06-06 06:30:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11586764777819116003.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/ReachabilityCardinality15334543717982812394.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11586764777819116003.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11586764777819116003.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7 after 24
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :24 after 31
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :31 after 101
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :101 after 175
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :175 after 301
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :301 after 1335
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1335 after 3213
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3213 after 55129
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :55129 after 859167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :859167 after 2.68528e+07
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2.68528e+07 after 1.11417e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.11417e+09 after 2.22448e+10
Detected timeout of ITS tools.
[2025-06-06 06:30:35] [INFO ] Flatten gal took : 8 ms
[2025-06-06 06:30:35] [INFO ] Applying decomposition
[2025-06-06 06:30:35] [INFO ] Flatten gal took : 7 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/graph16103386923212432338.txt' '-o' '/tmp/graph16103386923212432338.bin' '-w' '/tmp/graph16103386923212432338.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16103386923212432338.bin' '-l' '-1' '-v' '-w' '/tmp/graph16103386923212432338.weights' '-q' '0' '-e' '0.001'
[2025-06-06 06:30:36] [INFO ] Decomposing Gal with order
[2025-06-06 06:30:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 06:30:36] [INFO ] Removed a total of 78 redundant transitions.
[2025-06-06 06:30:36] [INFO ] Flatten gal took : 54 ms
[2025-06-06 06:30:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 42 labels/synchronizations in 11 ms.
[2025-06-06 06:30:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1732158184008606159.gal : 6 ms
[2025-06-06 06:30:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3947926436886758956.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/ReachabilityCardinality1732158184008606159.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3947926436886758956.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 ...307
Loading property file /tmp/ReachabilityCardinality3947926436886758956.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 36
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :259 after 305
Detected timeout of ITS tools.
[2025-06-06 06:30:36] [INFO ] Flatten gal took : 8 ms
[2025-06-06 06:30:36] [INFO ] Applying decomposition
[2025-06-06 06:30:36] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13398864149632631353.txt' '-o' '/tmp/graph13398864149632631353.bin' '-w' '/tmp/graph13398864149632631353.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13398864149632631353.bin' '-l' '-1' '-v' '-w' '/tmp/graph13398864149632631353.weights' '-q' '0' '-e' '0.001'
[2025-06-06 06:30:36] [INFO ] Decomposing Gal with order
[2025-06-06 06:30:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 06:30:36] [INFO ] Removed a total of 121 redundant transitions.
[2025-06-06 06:30:36] [INFO ] Flatten gal took : 16 ms
[2025-06-06 06:30:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 83 labels/synchronizations in 4 ms.
[2025-06-06 06:30:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality125802803398016912.gal : 2 ms
[2025-06-06 06:30:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4905764145311953529.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/ReachabilityCardinality125802803398016912.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4905764145311953529.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 ...306
Loading property file /tmp/ReachabilityCardinality4905764145311953529.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :5 after 6
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6 after 28
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1794 after 1902
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3210 after 4138
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1120 after 1342
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4138 after 17115
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :64135 after 83427
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :83427 after 303787
Invariant property MIN2 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 2049 fixpoint passes
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,1.77417e+06,1.58978,60284,1342,1703,48675,29971,326,310924,156,256835,0
Total reachable state count : 1774167
Verifying 1 reachability properties.
Invariant property MIN2 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,5740,1.59186,60284,127,188,48675,29971,330,310924,160,256835,0
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :7446 after 9338
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :9338 after 9978
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved -1 properties in 30541 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0, 0, 0] Max Struct:[64, 42, 12]
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m64-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:[64]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[64]
// Phase 1: matrix 134 rows 105 cols
[2025-06-06 06:30:51] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 10000 steps (2216 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (1040 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[64]
[2025-06-06 06:30:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 06:30:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:30:51] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-06 06:30:51] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-06 06:30:51] [INFO ] [Real]Added 59 Read/Feed constraints in 11 ms returned sat
[2025-06-06 06:30:51] [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 06:30:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:30:51] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-06 06:30:51] [INFO ] [Nat]Added 59 Read/Feed constraints in 12 ms returned sat
[2025-06-06 06:30:51] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 106 transitions) in 8 ms.
[2025-06-06 06:30:51] [INFO ] Added : 13 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 93 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[64]
Support contains 1 out of 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 134/134 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 103 transition count 120
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 103 transition count 120
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 101 transition count 117
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 101 transition count 117
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 101 transition count 115
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 12 place count 99 transition count 112
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 99 transition count 112
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 15 place count 99 transition count 111
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 17 place count 97 transition count 109
Iterating global reduction 2 with 2 rules applied. Total rules applied 19 place count 97 transition count 109
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 21 place count 95 transition count 107
Iterating global reduction 2 with 2 rules applied. Total rules applied 23 place count 95 transition count 107
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 24 place count 95 transition count 106
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 26 place count 93 transition count 104
Iterating global reduction 3 with 2 rules applied. Total rules applied 28 place count 93 transition count 104
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 29 place count 93 transition count 103
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 30 place count 92 transition count 102
Iterating global reduction 4 with 1 rules applied. Total rules applied 31 place count 92 transition count 102
Applied a total of 31 rules in 16 ms. Remains 92 /105 variables (removed 13) and now considering 102/134 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 92/105 places, 102/134 transitions.
// Phase 1: matrix 102 rows 92 cols
[2025-06-06 06:30:51] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 1000000 steps (224430 resets) in 942 ms. (1060 steps per ms)
BEST_FIRST walk for 1000001 steps (103175 resets) in 468 ms. (2132 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[64]
[2025-06-06 06:30:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:30:53] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 06:30:53] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-06 06:30:53] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-06 06:30:53] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-06 06:30:53] [INFO ] [Real]Added 38 Read/Feed constraints in 9 ms returned sat
[2025-06-06 06:30:53] [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 06:30:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 06:30:53] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-06 06:30:53] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-06 06:30:53] [INFO ] [Nat]Added 38 Read/Feed constraints in 15 ms returned sat
[2025-06-06 06:30:53] [INFO ] Computed and/alt/rep : 23/58/23 causal constraints (skipped 78 transitions) in 8 ms.
[2025-06-06 06:30:53] [INFO ] Added : 14 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 61 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[64]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 92/92 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2025-06-06 06:30:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:30:53] [INFO ] Implicit Places using invariants in 65 ms returned []
[2025-06-06 06:30:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:30:53] [INFO ] State equation strengthened by 38 read => feed constraints.
[2025-06-06 06:30:53] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 06:30:53] [INFO ] Redundant transitions in 1 ms returned []
Running 101 sub problems to find dead transitions.
[2025-06-06 06:30:53] [INFO ] Invariant cache hit.
[2025-06-06 06:30:53] [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) 0/91 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/194 variables, 92/95 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, 38/133 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 133 constraints, problems are : Problem set: 0 solved, 101 unsolved in 2888 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: 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, 1/2 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 1/92 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 102/194 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 38/133 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 101/234 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/194 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 234 constraints, problems are : Problem set: 0 solved, 101 unsolved in 16012 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: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18934ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 18935ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19173 ms. Remains : 92/92 places, 102/102 transitions.
[2025-06-06 06:31:12] [INFO ] Flatten gal took : 15 ms
[2025-06-06 06:31:12] [INFO ] Flatten gal took : 6 ms
[2025-06-06 06:31:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1165039867155209895.gal : 1 ms
[2025-06-06 06:31:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4023319776402772407.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/ReachabilityCardinality1165039867155209895.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4023319776402772407.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/ReachabilityCardinality4023319776402772407.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 41
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :41 after 174
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :174 after 214
RANDOM walk for 40000 steps (8962 resets) in 239 ms. (166 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :214 after 610
BEST_FIRST walk for 40003 steps (4144 resets) in 59 ms. (666 steps per ms) remains 2/2 properties
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :610 after 2722
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2722 after 3402
BEST_FIRST walk for 40003 steps (4087 resets) in 46 ms. (851 steps per ms) remains 2/2 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3402 after 5474
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5474 after 43620
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :43620 after 74835
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :74835 after 550499
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :550499 after 9.83241e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :9.83241e+06 after 1.41137e+08
Interrupted probabilistic random walk after 2903621 steps, run timeout after 3001 ms. (steps per millisecond=967 ) properties seen :1 out of 2
Probabilistic random walk after 2903621 steps, saw 1353202 distinct states, run finished after 3001 ms. (steps per millisecond=967 ) properties seen :1
[2025-06-06 06:31:15] [INFO ] Invariant cache hit.
[2025-06-06 06:31:15] [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) 45/46 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/52 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/54 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 66/120 variables, 54/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/158 variables, 17/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/158 variables, 23/97 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 06:31:15] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 158/194 variables, and 98 constraints, problems are : Problem set: 1 solved, 0 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 71/92 constraints, ReadFeed: 23/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 134ms 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:[64]
Ending property specific reduction for SieveSingleMsgMbox-PT-d2m64-UpperBounds-02 in 24455 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m64-UpperBounds-04
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 134 rows 105 cols
[2025-06-06 06:31:15] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[42]
RANDOM walk for 10000 steps (2272 resets) in 17 ms. (555 steps per ms)
BEST_FIRST walk for 10000 steps (1024 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[42]
[2025-06-06 06:31:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 06:31:15] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:31:15] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-06-06 06:31:15] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-06 06:31:15] [INFO ] [Real]Added 59 Read/Feed constraints in 24 ms returned sat
[2025-06-06 06:31:15] [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 06:31:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:31:15] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-06 06:31:15] [INFO ] [Nat]Added 59 Read/Feed constraints in 16 ms returned sat
[2025-06-06 06:31:15] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 106 transitions) in 10 ms.
[2025-06-06 06:31:15] [INFO ] Added : 15 causal constraints over 3 iterations in 56 ms. Result :sat
Minimization took 57 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 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 134/134 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 103 transition count 119
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 103 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 103 transition count 118
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 102 transition count 117
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 102 transition count 117
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 102 transition count 116
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 101 transition count 114
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 101 transition count 114
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 11 place count 101 transition count 113
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 12 place count 100 transition count 112
Iterating global reduction 3 with 1 rules applied. Total rules applied 13 place count 100 transition count 112
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 14 place count 99 transition count 111
Iterating global reduction 3 with 1 rules applied. Total rules applied 15 place count 99 transition count 111
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 16 place count 98 transition count 110
Iterating global reduction 3 with 1 rules applied. Total rules applied 17 place count 98 transition count 110
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 18 place count 98 transition count 109
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 19 place count 97 transition count 108
Iterating global reduction 4 with 1 rules applied. Total rules applied 20 place count 97 transition count 108
Applied a total of 20 rules in 14 ms. Remains 97 /105 variables (removed 8) and now considering 108/134 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 97/105 places, 108/134 transitions.
// Phase 1: matrix 108 rows 97 cols
[2025-06-06 06:31:16] [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 (224673 resets) in 1017 ms. (982 steps per ms)
BEST_FIRST walk for 1000000 steps (103453 resets) in 506 ms. (1972 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[42]
[2025-06-06 06:31:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:31:17] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:31:17] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-06 06:31:17] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-06 06:31:17] [INFO ] [Real]Added 41 Read/Feed constraints in 15 ms returned sat
[2025-06-06 06:31:17] [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 06:31:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:31:17] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-06 06:31:17] [INFO ] [Nat]Added 41 Read/Feed constraints in 7 ms returned sat
[2025-06-06 06:31:17] [INFO ] Computed and/alt/rep : 25/62/25 causal constraints (skipped 82 transitions) in 6 ms.
[2025-06-06 06:31:17] [INFO ] Added : 18 causal constraints over 4 iterations in 57 ms. Result :sat
Minimization took 39 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, 108/108 transitions.
Applied a total of 0 rules in 3 ms. Remains 97 /97 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 97/97 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 108/108 transitions.
Applied a total of 0 rules in 2 ms. Remains 97 /97 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2025-06-06 06:31:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:31:17] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-06-06 06:31:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:31:17] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-06-06 06:31:18] [INFO ] Implicit Places using invariants and state equation in 157 ms returned []
Implicit Place search using SMT with State Equation took 223 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 06:31:18] [INFO ] Redundant transitions in 1 ms returned []
Running 107 sub problems to find dead transitions.
[2025-06-06 06:31:18] [INFO ] Invariant cache hit.
[2025-06-06 06:31:18] [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, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (OVERLAPS) 1/97 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 108/205 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 41/141 constraints. Problems are: Problem set: 0 solved, 107 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (OVERLAPS) 0/205 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Real declared 205/205 variables, and 141 constraints, problems are : Problem set: 0 solved, 107 unsolved in 4029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 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) 0/96 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/96 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (OVERLAPS) 1/97 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 108/205 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 41/141 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 107/248 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 06:31:26] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/205 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/205 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 9 (OVERLAPS) 0/205 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Int declared 205/205 variables, and 249 constraints, problems are : Problem set: 0 solved, 107 unsolved in 22349 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 26417ms problems are : Problem set: 0 solved, 107 unsolved
Search for dead transitions found 0 dead transitions in 26418ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26647 ms. Remains : 97/97 places, 108/108 transitions.
[2025-06-06 06:31:44] [INFO ] Flatten gal took : 11 ms
[2025-06-06 06:31:44] [INFO ] Flatten gal took : 10 ms
[2025-06-06 06:31:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17336947178382636637.gal : 5 ms
[2025-06-06 06:31:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5952873357780572518.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/ReachabilityCardinality17336947178382636637.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5952873357780572518.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (9022 resets) in 132 ms. (300 steps per ms) remains 2/2 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 ...329
BEST_FIRST walk for 40004 steps (4094 resets) in 46 ms. (851 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality5952873357780572518.prop.
BEST_FIRST walk for 40002 steps (4051 resets) in 49 ms. (800 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 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 950
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :950 after 2620
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2620 after 4112
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4112 after 24852
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :24852 after 41462
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :41462 after 307854
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :307854 after 2.07291e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2.07291e+06 after 1.98438e+07
Interrupted probabilistic random walk after 2935853 steps, run timeout after 3001 ms. (steps per millisecond=978 ) properties seen :1 out of 2
Probabilistic random walk after 2935853 steps, saw 1440951 distinct states, run finished after 3001 ms. (steps per millisecond=978 ) properties seen :1
[2025-06-06 06:31:47] [INFO ] Invariant cache hit.
[2025-06-06 06:31:47] [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) 83/86 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/86 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 45/131 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/131 variables, 7/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/131 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 8/139 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/139 variables, 8/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 205/205 variables, and 113 constraints, problems are : Problem set: 1 solved, 0 unsolved in 90 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: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94ms 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-d2m64-UpperBounds-04 in 32017 ms.
Starting property specific reduction for SieveSingleMsgMbox-PT-d2m64-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 134 rows 105 cols
[2025-06-06 06:31:47] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 10000 steps (2229 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (1013 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2025-06-06 06:31:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-06 06:31:47] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:31:47] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-06 06:31:47] [INFO ] State equation strengthened by 59 read => feed constraints.
[2025-06-06 06:31:47] [INFO ] [Real]Added 59 Read/Feed constraints in 29 ms returned sat
[2025-06-06 06:31:47] [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 06:31:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-06 06:31:47] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-06 06:31:47] [INFO ] [Nat]Added 59 Read/Feed constraints in 15 ms returned sat
[2025-06-06 06:31:47] [INFO ] Computed and/alt/rep : 27/73/27 causal constraints (skipped 106 transitions) in 8 ms.
[2025-06-06 06:31:48] [INFO ] Added : 21 causal constraints over 5 iterations in 79 ms. Result :sat
Minimization took 58 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 105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 105/105 places, 134/134 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 103 transition count 131
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 103 transition count 131
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 103 transition count 130
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 102 transition count 128
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 102 transition count 128
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 102 transition count 127
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 101 transition count 126
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 101 transition count 126
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 100 transition count 125
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 100 transition count 125
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 99 transition count 124
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 99 transition count 124
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 16 place count 99 transition count 122
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 17 place count 98 transition count 121
Iterating global reduction 3 with 1 rules applied. Total rules applied 18 place count 98 transition count 121
Applied a total of 18 rules in 13 ms. Remains 98 /105 variables (removed 7) and now considering 121/134 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 98/105 places, 121/134 transitions.
// Phase 1: matrix 121 rows 98 cols
[2025-06-06 06:31:48] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[12]
RANDOM walk for 1000000 steps (224563 resets) in 1130 ms. (884 steps per ms)
BEST_FIRST walk for 1000001 steps (102832 resets) in 574 ms. (1739 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[12]
[2025-06-06 06:31:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-06 06:31:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:31:49] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-06 06:31:49] [INFO ] State equation strengthened by 53 read => feed constraints.
[2025-06-06 06:31:49] [INFO ] [Real]Added 53 Read/Feed constraints in 14 ms returned sat
[2025-06-06 06:31:49] [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 06:31:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 06:31:49] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-06 06:31:50] [INFO ] [Nat]Added 53 Read/Feed constraints in 10 ms returned sat
[2025-06-06 06:31:50] [INFO ] Computed and/alt/rep : 25/65/25 causal constraints (skipped 95 transitions) in 7 ms.
[2025-06-06 06:31:50] [INFO ] Added : 18 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 45 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 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 98/98 places, 121/121 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
[2025-06-06 06:31:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:31:50] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-06 06:31:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:31:50] [INFO ] State equation strengthened by 53 read => feed constraints.
[2025-06-06 06:31:50] [INFO ] Implicit Places using invariants and state equation in 200 ms returned []
Implicit Place search using SMT with State Equation took 266 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 06:31:50] [INFO ] Redundant transitions in 1 ms returned []
Running 120 sub problems to find dead transitions.
[2025-06-06 06:31:50] [INFO ] Invariant cache hit.
[2025-06-06 06:31:50] [INFO ] State equation strengthened by 53 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, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 120 unsolved in 4851 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 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) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 120/274 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 06:32:01] [INFO ] Deduced a trap along path composed of 5 places in 20 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (OVERLAPS) 0/219 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 275 constraints, problems are : Problem set: 0 solved, 120 unsolved in 21999 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 26890ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 26891ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27171 ms. Remains : 98/98 places, 121/121 transitions.
[2025-06-06 06:32:17] [INFO ] Flatten gal took : 12 ms
[2025-06-06 06:32:17] [INFO ] Flatten gal took : 7 ms
[2025-06-06 06:32:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6700400582265286862.gal : 1 ms
[2025-06-06 06:32:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12543565619664542763.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/ReachabilityCardinality6700400582265286862.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12543565619664542763.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
RANDOM walk for 40000 steps (9027 resets) in 107 ms. (370 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality12543565619664542763.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 41
BEST_FIRST walk for 40003 steps (4120 resets) in 68 ms. (579 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 262
BEST_FIRST walk for 40003 steps (4201 resets) in 53 ms. (740 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :262 after 816
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :816 after 2424
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :2424 after 3824
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :3824 after 29744
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :29744 after 46947
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :46947 after 394414
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :394414 after 2.39069e+06
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :2.39069e+06 after 3.51527e+07
Interrupted probabilistic random walk after 862272 steps, run timeout after 3001 ms. (steps per millisecond=287 ) properties seen :0 out of 2
Probabilistic random walk after 862272 steps, saw 368449 distinct states, run finished after 3001 ms. (steps per millisecond=287 ) properties seen :0
[2025-06-06 06:32:20] [INFO ] Invariant cache hit.
[2025-06-06 06:32:20] [INFO ] State equation strengthened by 53 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 104/213 variables, 77/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 27/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 10 (OVERLAPS) 6/219 variables, 2/148 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 6/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 1 solved, 1 unsolved in 156 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 1/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/42 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 104/213 variables, 77/119 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 1/120 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 27/147 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/213 variables, 0/147 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/219 variables, 2/149 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 6/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/219 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/219 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 155 constraints, problems are : Problem set: 1 solved, 1 unsolved in 155 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 318ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 98/98 places, 121/121 transitions.
RANDOM walk for 40000 steps (8960 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (4034 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :3.51527e+07 after 3.11412e+08
Interrupted probabilistic random walk after 2495685 steps, run timeout after 3001 ms. (steps per millisecond=831 ) properties seen :0 out of 1
Probabilistic random walk after 2495685 steps, saw 1046486 distinct states, run finished after 3001 ms. (steps per millisecond=831 ) properties seen :0
[2025-06-06 06:32:23] [INFO ] Invariant cache hit.
[2025-06-06 06:32:23] [INFO ] State equation strengthened by 53 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 104/213 variables, 77/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 27/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/219 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 6/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/109 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 104/213 variables, 77/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 27/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/213 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/219 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 6/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/219 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/219 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 155 constraints, problems are : Problem set: 0 solved, 1 unsolved in 182 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 270ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 1 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 98/98 places, 121/121 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 121/121 transitions.
Applied a total of 0 rules in 2 ms. Remains 98 /98 variables (removed 0) and now considering 121/121 (removed 0) transitions.
[2025-06-06 06:32:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:32:24] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-06 06:32:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 06:32:24] [INFO ] State equation strengthened by 53 read => feed constraints.
[2025-06-06 06:32:24] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 267 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 06:32:24] [INFO ] Redundant transitions in 1 ms returned []
Running 120 sub problems to find dead transitions.
[2025-06-06 06:32:24] [INFO ] Invariant cache hit.
[2025-06-06 06:32:24] [INFO ] State equation strengthened by 53 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, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :3.11412e+08 after 6.27947e+09
At refinement iteration 7 (OVERLAPS) 0/219 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 219/219 variables, and 154 constraints, problems are : Problem set: 0 solved, 120 unsolved in 4785 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 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) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 1/98 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/98 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 121/219 variables, 98/101 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/219 variables, 53/154 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 120/274 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 06:32:35] [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) 0/219 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :6.27947e+09 after 9.79349e+10
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (OVERLAPS) 0/219 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 219/219 variables, and 275 constraints, problems are : Problem set: 0 solved, 120 unsolved in 22079 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 98/98 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 26902ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 26903ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27183 ms. Remains : 98/98 places, 121/121 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 113
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 14 place count 92 transition count 113
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 14 place count 92 transition count 98
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 44 place count 77 transition count 98
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 56 place count 71 transition count 92
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 70 transition count 101
Applied a total of 58 rules in 12 ms. Remains 70 /98 variables (removed 28) and now considering 101/121 (removed 20) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 70 cols
[2025-06-06 06:32:51] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 06:32:51] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-06 06:32:51] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-06 06:32:51] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-06 06:32:51] [INFO ] After 25ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 06:32:51] [INFO ] Deduced a trap composed of 36 places in 33 ms of which 3 ms to minimize.
[2025-06-06 06:32:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
TRAPS : Iteration 1
[2025-06-06 06:32:51] [INFO ] After 75ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-06 06:32:51] [INFO ] After 107ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-06 06:32:51] [INFO ] Flatten gal took : 6 ms
[2025-06-06 06:32:51] [INFO ] Flatten gal took : 4 ms
[2025-06-06 06:32:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2383993730770574604.gal : 1 ms
[2025-06-06 06:32:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12315675690210076168.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/ReachabilityCardinality2383993730770574604.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12315675690210076168.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/ReachabilityCardinality12315675690210076168.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7 after 24
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :24 after 31
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :31 after 101
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :101 after 175
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :175 after 301
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :301 after 1335
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1335 after 3213
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3213 after 55129
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :55129 after 859167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :859167 after 2.68528e+07
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2.68528e+07 after 1.11417e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.11417e+09 after 2.22448e+10
Detected timeout of ITS tools.
[2025-06-06 06:33:06] [INFO ] Flatten gal took : 9 ms
[2025-06-06 06:33:06] [INFO ] Applying decomposition
[2025-06-06 06:33:06] [INFO ] Flatten gal took : 6 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/graph14138588805557480274.txt' '-o' '/tmp/graph14138588805557480274.bin' '-w' '/tmp/graph14138588805557480274.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14138588805557480274.bin' '-l' '-1' '-v' '-w' '/tmp/graph14138588805557480274.weights' '-q' '0' '-e' '0.001'
[2025-06-06 06:33:06] [INFO ] Decomposing Gal with order
[2025-06-06 06:33:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 06:33:06] [INFO ] Removed a total of 70 redundant transitions.
[2025-06-06 06:33:06] [INFO ] Flatten gal took : 19 ms
[2025-06-06 06:33:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 53 labels/synchronizations in 6 ms.
[2025-06-06 06:33:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5681563727225254697.gal : 3 ms
[2025-06-06 06:33:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15198932949765785437.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/ReachabilityCardinality5681563727225254697.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15198932949765785437.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 ...308
Loading property file /tmp/ReachabilityCardinality15198932949765785437.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :259 after 299
Detected timeout of ITS tools.
[2025-06-06 06:33:07] [INFO ] Flatten gal took : 11 ms
[2025-06-06 06:33:07] [INFO ] Applying decomposition
[2025-06-06 06:33:07] [INFO ] Flatten gal took : 5 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/graph9393147701327419612.txt' '-o' '/tmp/graph9393147701327419612.bin' '-w' '/tmp/graph9393147701327419612.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9393147701327419612.bin' '-l' '-1' '-v' '-w' '/tmp/graph9393147701327419612.weights' '-q' '0' '-e' '0.001'
[2025-06-06 06:33:07] [INFO ] Decomposing Gal with order
[2025-06-06 06:33:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 06:33:07] [INFO ] Removed a total of 130 redundant transitions.
[2025-06-06 06:33:07] [INFO ] Flatten gal took : 19 ms
[2025-06-06 06:33:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 70 labels/synchronizations in 3 ms.
[2025-06-06 06:33:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality203787330414847082.gal : 2 ms
[2025-06-06 06:33:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14075564247270785054.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/ReachabilityCardinality203787330414847082.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14075564247270785054.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 ...307
Loading property file /tmp/ReachabilityCardinality14075564247270785054.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 560
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :560 after 2438
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :2438 after 3086
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :3086 after 3594
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3594 after 12397
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :12397 after 66433
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 5 fixpoint passes
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,20178,5.23535,147944,1119,2855,25618,31948,297,434676,169,2.34713e+06,0
Total reachable state count : 20178
Verifying 1 reachability properties.
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,7,5.24035,147944,30,58,25618,31948,301,434676,173,2.34713e+06,0
Over-approximation ignoring read arcs solved 0 properties in 20568 ms.
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-d2m64-UpperBounds-07 in 84162 ms.
[2025-06-06 06:33:11] [INFO ] Flatten gal took : 14 ms
[2025-06-06 06:33:11] [INFO ] Applying decomposition
[2025-06-06 06:33:11] [INFO ] Flatten gal took : 5 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/graph2650452681199292044.txt' '-o' '/tmp/graph2650452681199292044.bin' '-w' '/tmp/graph2650452681199292044.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2650452681199292044.bin' '-l' '-1' '-v' '-w' '/tmp/graph2650452681199292044.weights' '-q' '0' '-e' '0.001'
[2025-06-06 06:33:11] [INFO ] Decomposing Gal with order
[2025-06-06 06:33:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-06 06:33:11] [INFO ] Removed a total of 134 redundant transitions.
[2025-06-06 06:33:11] [INFO ] Flatten gal took : 12 ms
[2025-06-06 06:33:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 86 labels/synchronizations in 4 ms.
[2025-06-06 06:33:11] [INFO ] Time to serialize gal into /tmp/UpperBounds3148370700270517682.gal : 2 ms
[2025-06-06 06:33:11] [INFO ] Time to serialize properties into /tmp/UpperBounds10171963200122840375.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/UpperBounds3148370700270517682.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds10171963200122840375.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/UpperBounds10171963200122840375.prop.
Detected timeout of ITS tools.
[2025-06-06 06:55:06] [INFO ] Flatten gal took : 5 ms
[2025-06-06 06:55:06] [INFO ] Time to serialize gal into /tmp/UpperBounds5560642074271195542.gal : 2 ms
[2025-06-06 06:55:06] [INFO ] Time to serialize properties into /tmp/UpperBounds2696201206275032183.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/UpperBounds5560642074271195542.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2696201206275032183.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/UpperBounds2696201206275032183.prop.
Detected timeout of ITS tools.
[2025-06-06 07:17:02] [INFO ] Flatten gal took : 180 ms
[2025-06-06 07:17:03] [INFO ] Input system was already deterministic with 134 transitions.
[2025-06-06 07:17:03] [INFO ] Transformed 105 places.
[2025-06-06 07:17:03] [INFO ] Transformed 134 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2025-06-06 07:17:03] [INFO ] Time to serialize gal into /tmp/UpperBounds1692378110197845328.gal : 4 ms
[2025-06-06 07:17:03] [INFO ] Time to serialize properties into /tmp/UpperBounds7372935214805654268.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/UpperBounds1692378110197845328.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds7372935214805654268.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--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 ...349
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds7372935214805654268.prop.
BK_TIME_CONFINEMENT_REACHED
--------------------
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-d2m64"
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-d2m64, 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-174901994400485"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d2m64.tgz
mv SieveSingleMsgMbox-PT-d2m64 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;