About the Execution of ITS-Tools for FunctionPointer-PT-b004
| 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 4 1 0 ? 4 ? inf inf inf inf ? 1 ? | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007300069.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is FunctionPointer-PT-b004, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007300069
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 824K
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K 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 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 391K May 29 14:32 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 FunctionPointer-PT-b004-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b004-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748751467389
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b004
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 04:17:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 04:17:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 04:17:50] [INFO ] Load time of PNML (sax parser for PT used): 311 ms
[2025-06-01 04:17:50] [INFO ] Transformed 306 places.
[2025-06-01 04:17:50] [INFO ] Transformed 840 transitions.
[2025-06-01 04:17:50] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 541 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 ms.
Deduced a syphon composed of 84 places in 12 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b004-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b004-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b004-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:17:50] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2025-06-01 04:17:50] [INFO ] Computed 4 invariants in 46 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, 4, 1, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf]
RANDOM walk for 10000 steps (20 resets) in 171 ms. (58 steps per ms)
FORMULA FunctionPointer-PT-b004-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b004-UpperBounds-07 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b004-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100010 steps (26 resets) in 300 ms. (332 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 3, 5, 8, 11, 3, 4, 11, 12, 2] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:17:51] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2025-06-01 04:17:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:51] [INFO ] [Real]Absence check using 3 positive place invariants in 14 ms returned sat
[2025-06-01 04:17:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2025-06-01 04:17:52] [INFO ] [Real]Absence check using state equation in 437 ms returned sat
[2025-06-01 04:17:52] [INFO ] State equation strengthened by 65 read => feed constraints.
[2025-06-01 04:17:52] [INFO ] [Real]Added 65 Read/Feed constraints in 34 ms returned sat
[2025-06-01 04:17:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 04:17:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:17:52] [INFO ] [Nat]Absence check using state equation in 189 ms returned sat
[2025-06-01 04:17:52] [INFO ] [Nat]Added 65 Read/Feed constraints in 49 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:17:53] [INFO ] Deduced a trap composed of 21 places in 437 ms of which 32 ms to minimize.
[2025-06-01 04:17:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 535 ms
[2025-06-01 04:17:53] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 141 ms.
[2025-06-01 04:17:53] [INFO ] Added : 2 causal constraints over 1 iterations in 298 ms. Result :sat
Minimization took 170 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:53] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 04:17:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:17:53] [INFO ] [Real]Absence check using state equation in 226 ms returned sat
[2025-06-01 04:17:53] [INFO ] [Real]Added 65 Read/Feed constraints in 27 ms returned sat
[2025-06-01 04:17:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:17:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-01 04:17:54] [INFO ] [Nat]Absence check using state equation in 245 ms returned sat
[2025-06-01 04:17:54] [INFO ] [Nat]Added 65 Read/Feed constraints in 27 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:17:54] [INFO ] Deduced a trap composed of 51 places in 343 ms of which 32 ms to minimize.
[2025-06-01 04:17:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 402 ms
[2025-06-01 04:17:54] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 131 ms.
[2025-06-01 04:17:55] [INFO ] Added : 2 causal constraints over 1 iterations in 238 ms. Result :sat
Minimization took 191 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:55] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 04:17:55] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 04:17:55] [INFO ] [Real]Absence check using state equation in 231 ms returned sat
[2025-06-01 04:17:55] [INFO ] [Real]Added 65 Read/Feed constraints in 29 ms returned sat
[2025-06-01 04:17:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:17:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:17:55] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
[2025-06-01 04:17:56] [INFO ] [Nat]Added 65 Read/Feed constraints in 28 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:17:56] [INFO ] Deduced a trap composed of 21 places in 355 ms of which 14 ms to minimize.
[2025-06-01 04:17:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 423 ms
[2025-06-01 04:17:56] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 140 ms.
[2025-06-01 04:17:56] [INFO ] Added : 2 causal constraints over 1 iterations in 249 ms. Result :sat
Minimization took 165 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:56] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:17:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:17:57] [INFO ] [Real]Absence check using state equation in 242 ms returned sat
[2025-06-01 04:17:57] [INFO ] [Real]Added 65 Read/Feed constraints in 32 ms returned sat
[2025-06-01 04:17:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:17:57] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:17:57] [INFO ] [Nat]Absence check using state equation in 222 ms returned sat
[2025-06-01 04:17:57] [INFO ] [Nat]Added 65 Read/Feed constraints in 28 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:17:58] [INFO ] Deduced a trap composed of 21 places in 376 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:17:58] [INFO ] Deduced a trap composed of 21 places in 338 ms of which 14 ms to minimize.
[2025-06-01 04:17:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 785 ms
[2025-06-01 04:17:58] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 79 ms.
[2025-06-01 04:17:58] [INFO ] Added : 2 causal constraints over 1 iterations in 186 ms. Result :sat
Minimization took 165 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:58] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:17:58] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:17:59] [INFO ] [Real]Absence check using state equation in 213 ms returned sat
[2025-06-01 04:17:59] [INFO ] [Real]Added 65 Read/Feed constraints in 63 ms returned sat
[2025-06-01 04:17:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:17:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 04:17:59] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:17:59] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2025-06-01 04:17:59] [INFO ] [Nat]Added 65 Read/Feed constraints in 29 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:17:59] [INFO ] Deduced a trap composed of 21 places in 341 ms of which 26 ms to minimize.
[2025-06-01 04:17:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 388 ms
[2025-06-01 04:17:59] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 35 ms.
[2025-06-01 04:18:00] [INFO ] Added : 1 causal constraints over 1 iterations in 117 ms. Result :sat
Minimization took 109 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:00] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:18:00] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 04:18:00] [INFO ] [Real]Absence check using state equation in 219 ms returned sat
[2025-06-01 04:18:00] [INFO ] [Real]Added 65 Read/Feed constraints in 28 ms returned sat
[2025-06-01 04:18:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:18:00] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:18:00] [INFO ] [Nat]Absence check using state equation in 192 ms returned sat
[2025-06-01 04:18:00] [INFO ] [Nat]Added 65 Read/Feed constraints in 21 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:01] [INFO ] Deduced a trap composed of 21 places in 326 ms of which 14 ms to minimize.
[2025-06-01 04:18:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 367 ms
[2025-06-01 04:18:01] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 69 ms.
[2025-06-01 04:18:01] [INFO ] Added : 1 causal constraints over 1 iterations in 150 ms. Result :sat
Minimization took 105 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:01] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:01] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 12 ms returned sat
[2025-06-01 04:18:01] [INFO ] [Real]Absence check using state equation in 182 ms returned sat
[2025-06-01 04:18:01] [INFO ] [Real]Added 65 Read/Feed constraints in 21 ms returned sat
[2025-06-01 04:18:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:18:01] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 04:18:02] [INFO ] [Nat]Absence check using state equation in 227 ms returned sat
[2025-06-01 04:18:02] [INFO ] [Nat]Added 65 Read/Feed constraints in 41 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:02] [INFO ] Deduced a trap composed of 21 places in 389 ms of which 17 ms to minimize.
[2025-06-01 04:18:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 442 ms
[2025-06-01 04:18:02] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 67 ms.
[2025-06-01 04:18:02] [INFO ] Added : 2 causal constraints over 1 iterations in 167 ms. Result :sat
Minimization took 181 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:03] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:18:03] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:18:03] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-06-01 04:18:03] [INFO ] [Real]Added 65 Read/Feed constraints in 72 ms returned sat
[2025-06-01 04:18:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:18:03] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 04:18:03] [INFO ] [Nat]Absence check using state equation in 327 ms returned sat
[2025-06-01 04:18:03] [INFO ] [Nat]Added 65 Read/Feed constraints in 35 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:04] [INFO ] Deduced a trap composed of 21 places in 345 ms of which 16 ms to minimize.
[2025-06-01 04:18:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 394 ms
[2025-06-01 04:18:04] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 60 ms.
[2025-06-01 04:18:04] [INFO ] Added : 1 causal constraints over 1 iterations in 150 ms. Result :sat
Minimization took 105 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:04] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 04:18:04] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:18:04] [INFO ] [Real]Absence check using state equation in 197 ms returned sat
[2025-06-01 04:18:04] [INFO ] [Real]Added 65 Read/Feed constraints in 17 ms returned sat
[2025-06-01 04:18:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:05] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:18:05] [INFO ] [Nat]Absence check using state equation in 171 ms returned sat
[2025-06-01 04:18:05] [INFO ] [Nat]Added 65 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:05] [INFO ] Deduced a trap composed of 21 places in 349 ms of which 15 ms to minimize.
[2025-06-01 04:18:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 390 ms
[2025-06-01 04:18:05] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 59 ms.
[2025-06-01 04:18:05] [INFO ] Added : 1 causal constraints over 1 iterations in 148 ms. Result :sat
Minimization took 163 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:06] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:18:06] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:18:06] [INFO ] [Real]Absence check using state equation in 215 ms returned sat
[2025-06-01 04:18:06] [INFO ] [Real]Added 65 Read/Feed constraints in 20 ms returned sat
[2025-06-01 04:18:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:18:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 04:18:06] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 04:18:06] [INFO ] [Nat]Absence check using state equation in 183 ms returned sat
[2025-06-01 04:18:06] [INFO ] [Nat]Added 65 Read/Feed constraints in 21 ms returned sat
[2025-06-01 04:18:06] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 45 ms.
[2025-06-01 04:18:06] [INFO ] Added : 2 causal constraints over 1 iterations in 133 ms. Result :sat
Minimization took 97 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 3, 5, 8, 11, 3, 4, 11, 12, 2] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 3, 5, 8, 11, 3, 4, 11, 12, 2] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 188 are kept as prefixes of interest. Removing 34 places using SCC suffix rule.5 ms
Discarding 34 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 0 with 48 rules applied. Total rules applied 49 place count 188 transition count 600
Discarding 26 places :
Symmetric choice reduction at 1 with 26 rule applications. Total rules 75 place count 162 transition count 458
Iterating global reduction 1 with 26 rules applied. Total rules applied 101 place count 162 transition count 458
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 137 place count 162 transition count 422
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 150 place count 149 transition count 396
Iterating global reduction 2 with 13 rules applied. Total rules applied 163 place count 149 transition count 396
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 170 place count 142 transition count 382
Iterating global reduction 2 with 7 rules applied. Total rules applied 177 place count 142 transition count 382
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 183 place count 136 transition count 358
Iterating global reduction 2 with 6 rules applied. Total rules applied 189 place count 136 transition count 358
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 194 place count 131 transition count 348
Iterating global reduction 2 with 5 rules applied. Total rules applied 199 place count 131 transition count 348
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 202 place count 128 transition count 336
Iterating global reduction 2 with 3 rules applied. Total rules applied 205 place count 128 transition count 336
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 208 place count 125 transition count 324
Iterating global reduction 2 with 3 rules applied. Total rules applied 211 place count 125 transition count 324
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 214 place count 122 transition count 318
Iterating global reduction 2 with 3 rules applied. Total rules applied 217 place count 122 transition count 318
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 220 place count 119 transition count 312
Iterating global reduction 2 with 3 rules applied. Total rules applied 223 place count 119 transition count 312
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 226 place count 116 transition count 306
Iterating global reduction 2 with 3 rules applied. Total rules applied 229 place count 116 transition count 306
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 232 place count 113 transition count 300
Iterating global reduction 2 with 3 rules applied. Total rules applied 235 place count 113 transition count 300
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 238 place count 110 transition count 294
Iterating global reduction 2 with 3 rules applied. Total rules applied 241 place count 110 transition count 294
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 2 with 10 rules applied. Total rules applied 251 place count 110 transition count 284
Applied a total of 251 rules in 252 ms. Remains 110 /222 variables (removed 112) and now considering 284/648 (removed 364) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 268 ms. Remains : 110/222 places, 284/648 transitions.
[2025-06-01 04:18:07] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 96=1, 146=1, 177=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 95=1, 129=1, 171=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 133 ms. (steps per millisecond=75 ) properties (out of 10) seen :[2, 1, 3, 3, 3, 2, 2, 5, 4, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 3, 5, 8, 11, 3, 4, 11, 12, 2] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:18:07] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
// Phase 1: matrix 178 rows 110 cols
[2025-06-01 04:18:07] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5, 3, 5, 8, 11, 3, 4, 11, 12, 2] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1721 ms. (580 steps per ms)
BEST_FIRST walk for 10000009 steps (20 resets) in 5939 ms. (1683 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5, 3, 1019, 411, 1090, 5, 6, 809, 2551, 277] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:18:15] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
[2025-06-01 04:18:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:15] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:15] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2025-06-01 04:18:15] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 04:18:15] [INFO ] [Real]Added 27 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:18:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:18:15] [INFO ] [Nat]Absence check using state equation in 128 ms returned sat
[2025-06-01 04:18:15] [INFO ] [Nat]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:18:15] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 19 ms.
[2025-06-01 04:18:15] [INFO ] Added : 29 causal constraints over 7 iterations in 198 ms. Result :sat
Minimization took 79 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:15] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:16] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-06-01 04:18:16] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:18:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:16] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2025-06-01 04:18:16] [INFO ] [Nat]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:18:16] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 16 ms.
[2025-06-01 04:18:16] [INFO ] Added : 4 causal constraints over 1 iterations in 57 ms. Result :sat
Minimization took 61 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:16] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:18:16] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 04:18:16] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:18:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:16] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2025-06-01 04:18:16] [INFO ] [Nat]Added 27 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:16] [INFO ] Deduced a trap composed of 17 places in 114 ms of which 14 ms to minimize.
[2025-06-01 04:18:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 137 ms
[2025-06-01 04:18:16] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 21 ms.
[2025-06-01 04:18:16] [INFO ] Added : 19 causal constraints over 5 iterations in 166 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:17] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:17] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2025-06-01 04:18:17] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:18:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:17] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2025-06-01 04:18:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:17] [INFO ] Deduced a trap composed of 17 places in 170 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:17] [INFO ] Deduced a trap composed of 17 places in 169 ms of which 15 ms to minimize.
[2025-06-01 04:18:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 377 ms
[2025-06-01 04:18:17] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 22 ms.
[2025-06-01 04:18:17] [INFO ] Added : 14 causal constraints over 4 iterations in 142 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:18] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2025-06-01 04:18:18] [INFO ] [Real]Added 27 Read/Feed constraints in 16 ms returned sat
[2025-06-01 04:18:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:18] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 04:18:18] [INFO ] [Nat]Added 27 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:18] [INFO ] Deduced a trap composed of 17 places in 148 ms of which 14 ms to minimize.
[2025-06-01 04:18:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 178 ms
[2025-06-01 04:18:18] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 23 ms.
[2025-06-01 04:18:18] [INFO ] Added : 6 causal constraints over 3 iterations in 113 ms. Result :sat
Minimization took 66 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:18] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2025-06-01 04:18:18] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:18:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:19] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2025-06-01 04:18:19] [INFO ] [Nat]Added 27 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:19] [INFO ] Deduced a trap composed of 17 places in 144 ms of which 13 ms to minimize.
[2025-06-01 04:18:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 168 ms
[2025-06-01 04:18:19] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 23 ms.
[2025-06-01 04:18:19] [INFO ] Added : 26 causal constraints over 6 iterations in 189 ms. Result :sat
Minimization took 79 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:19] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:19] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 04:18:19] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:18:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:19] [INFO ] [Nat]Absence check using state equation in 97 ms returned sat
[2025-06-01 04:18:19] [INFO ] [Nat]Added 27 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:20] [INFO ] Deduced a trap composed of 17 places in 169 ms of which 14 ms to minimize.
[2025-06-01 04:18:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 199 ms
[2025-06-01 04:18:20] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 22 ms.
[2025-06-01 04:18:20] [INFO ] Added : 27 causal constraints over 7 iterations in 206 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:20] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:20] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2025-06-01 04:18:20] [INFO ] [Real]Added 27 Read/Feed constraints in 15 ms returned sat
[2025-06-01 04:18:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:20] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2025-06-01 04:18:20] [INFO ] [Nat]Added 27 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:20] [INFO ] Deduced a trap composed of 17 places in 142 ms of which 13 ms to minimize.
[2025-06-01 04:18:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 166 ms
[2025-06-01 04:18:20] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 21 ms.
[2025-06-01 04:18:21] [INFO ] Added : 9 causal constraints over 3 iterations in 113 ms. Result :sat
Minimization took 66 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:21] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:21] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2025-06-01 04:18:21] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:18:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:21] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2025-06-01 04:18:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:18:21] [INFO ] Deduced a trap composed of 17 places in 140 ms of which 14 ms to minimize.
[2025-06-01 04:18:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 167 ms
[2025-06-01 04:18:21] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 25 ms.
[2025-06-01 04:18:21] [INFO ] Added : 9 causal constraints over 5 iterations in 145 ms. Result :sat
Minimization took 63 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:21] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:18:22] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2025-06-01 04:18:22] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:18:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:18:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:18:22] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2025-06-01 04:18:22] [INFO ] [Nat]Added 27 Read/Feed constraints in 14 ms returned sat
[2025-06-01 04:18:22] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 22 ms.
[2025-06-01 04:18:22] [INFO ] Added : 21 causal constraints over 5 iterations in 172 ms. Result :sat
Minimization took 73 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5, 3, 1019, 411, 1090, 5, 6, 809, 2551, 277] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5, 3, 1019, 411, 1090, 8, 14, 809, 2559, 277] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 284/284 transitions.
Applied a total of 0 rules in 18 ms. Remains 110 /110 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 110/110 places, 284/284 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 284/284 transitions.
Applied a total of 0 rules in 12 ms. Remains 110 /110 variables (removed 0) and now considering 284/284 (removed 0) transitions.
[2025-06-01 04:18:36] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
[2025-06-01 04:18:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:18:37] [INFO ] Implicit Places using invariants in 191 ms returned []
[2025-06-01 04:18:37] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
[2025-06-01 04:18:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:18:37] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 04:18:37] [INFO ] Implicit Places using invariants and state equation in 617 ms returned []
Implicit Place search using SMT with State Equation took 838 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:18:37] [INFO ] Redundant transitions in 28 ms returned []
Running 282 sub problems to find dead transitions.
[2025-06-01 04:18:37] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
[2025-06-01 04:18:37] [INFO ] Invariant cache hit.
[2025-06-01 04:18:37] [INFO ] State equation strengthened by 27 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, 3/3 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 2 (OVERLAPS) 178/288 variables, 110/113 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/288 variables, 27/140 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 5 (OVERLAPS) 0/288 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 282 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 140 constraints, problems are : Problem set: 0 solved, 282 unsolved in 21779 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 110/110 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 282/282 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 282 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 2 (OVERLAPS) 178/288 variables, 110/113 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/288 variables, 27/140 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 282/422 constraints. Problems are: Problem set: 0 solved, 282 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:11] [INFO ] Deduced a trap along path composed of 3 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:11] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:11] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:12] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:12] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 5/427 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/427 constraints. Problems are: Problem set: 0 solved, 282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 288/288 variables, and 427 constraints, problems are : Problem set: 0 solved, 282 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 110/110 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 282/282 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 52248ms problems are : Problem set: 0 solved, 282 unsolved
Search for dead transitions found 0 dead transitions in 52267ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53187 ms. Remains : 110/110 places, 284/284 transitions.
[2025-06-01 04:19:30] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 96=1, 146=1, 177=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 95=1, 129=1, 171=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 258 ms. (steps per millisecond=38 ) properties (out of 10) seen :[2, 0, 4, 4, 3, 3, 0, 8, 5, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5, 3, 1019, 411, 1090, 8, 14, 809, 2559, 277] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:19:30] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
[2025-06-01 04:19:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5, 3, 1019, 411, 1090, 8, 14, 809, 2559, 277] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1861 ms. (537 steps per ms)
BEST_FIRST walk for 10000009 steps (20 resets) in 6272 ms. (1594 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 3, 1019, 575, 1404, 541, 14, 1012, 2559, 277] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:19:38] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
[2025-06-01 04:19:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:38] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:19:38] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2025-06-01 04:19:38] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 04:19:38] [INFO ] [Real]Added 27 Read/Feed constraints in 14 ms returned sat
[2025-06-01 04:19:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:38] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-01 04:19:39] [INFO ] [Nat]Added 27 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:19:39] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 22 ms.
[2025-06-01 04:19:39] [INFO ] Added : 29 causal constraints over 7 iterations in 196 ms. Result :sat
Minimization took 85 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:39] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:39] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-06-01 04:19:39] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:19:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:19:39] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 04:19:39] [INFO ] [Nat]Added 27 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:19:39] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 17 ms.
[2025-06-01 04:19:39] [INFO ] Added : 4 causal constraints over 1 iterations in 57 ms. Result :sat
Minimization took 62 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:39] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:39] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2025-06-01 04:19:39] [INFO ] [Real]Added 27 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:19:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:40] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2025-06-01 04:19:40] [INFO ] [Nat]Added 27 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:40] [INFO ] Deduced a trap composed of 17 places in 168 ms of which 16 ms to minimize.
[2025-06-01 04:19:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 190 ms
[2025-06-01 04:19:40] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 19 ms.
[2025-06-01 04:19:40] [INFO ] Added : 19 causal constraints over 5 iterations in 154 ms. Result :sat
Minimization took 68 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:40] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:19:40] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2025-06-01 04:19:40] [INFO ] [Real]Added 27 Read/Feed constraints in 8 ms returned sat
[2025-06-01 04:19:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:40] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2025-06-01 04:19:40] [INFO ] [Nat]Added 27 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:40] [INFO ] Deduced a trap composed of 17 places in 133 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:41] [INFO ] Deduced a trap composed of 17 places in 156 ms of which 13 ms to minimize.
[2025-06-01 04:19:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 323 ms
[2025-06-01 04:19:41] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 18 ms.
[2025-06-01 04:19:41] [INFO ] Added : 14 causal constraints over 4 iterations in 117 ms. Result :sat
Minimization took 58 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:41] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:41] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2025-06-01 04:19:41] [INFO ] [Real]Added 27 Read/Feed constraints in 15 ms returned sat
[2025-06-01 04:19:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:41] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2025-06-01 04:19:41] [INFO ] [Nat]Added 27 Read/Feed constraints in 15 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:41] [INFO ] Deduced a trap composed of 17 places in 136 ms of which 13 ms to minimize.
[2025-06-01 04:19:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 159 ms
[2025-06-01 04:19:41] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 20 ms.
[2025-06-01 04:19:41] [INFO ] Added : 6 causal constraints over 3 iterations in 98 ms. Result :sat
Minimization took 65 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:42] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:19:42] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2025-06-01 04:19:42] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:19:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:19:42] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2025-06-01 04:19:42] [INFO ] [Nat]Added 27 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:42] [INFO ] Deduced a trap composed of 17 places in 135 ms of which 12 ms to minimize.
[2025-06-01 04:19:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 157 ms
[2025-06-01 04:19:42] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 18 ms.
[2025-06-01 04:19:42] [INFO ] Added : 26 causal constraints over 6 iterations in 161 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:42] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:19:42] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2025-06-01 04:19:42] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:19:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:43] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2025-06-01 04:19:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:43] [INFO ] Deduced a trap composed of 17 places in 135 ms of which 14 ms to minimize.
[2025-06-01 04:19:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 157 ms
[2025-06-01 04:19:43] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 20 ms.
[2025-06-01 04:19:43] [INFO ] Added : 27 causal constraints over 7 iterations in 194 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:43] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:43] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2025-06-01 04:19:43] [INFO ] [Real]Added 27 Read/Feed constraints in 14 ms returned sat
[2025-06-01 04:19:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:43] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2025-06-01 04:19:43] [INFO ] [Nat]Added 27 Read/Feed constraints in 16 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:43] [INFO ] Deduced a trap composed of 17 places in 116 ms of which 11 ms to minimize.
[2025-06-01 04:19:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 137 ms
[2025-06-01 04:19:44] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 20 ms.
[2025-06-01 04:19:44] [INFO ] Added : 9 causal constraints over 3 iterations in 100 ms. Result :sat
Minimization took 54 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:44] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:19:44] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2025-06-01 04:19:44] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:19:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:44] [INFO ] [Nat]Absence check using state equation in 97 ms returned sat
[2025-06-01 04:19:44] [INFO ] [Nat]Added 27 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:19:44] [INFO ] Deduced a trap composed of 17 places in 142 ms of which 13 ms to minimize.
[2025-06-01 04:19:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 166 ms
[2025-06-01 04:19:44] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 22 ms.
[2025-06-01 04:19:44] [INFO ] Added : 9 causal constraints over 5 iterations in 139 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:44] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:19:45] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2025-06-01 04:19:45] [INFO ] [Real]Added 27 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:19:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:19:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:19:45] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-01 04:19:45] [INFO ] [Nat]Added 27 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:19:45] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 24 ms.
[2025-06-01 04:19:45] [INFO ] Added : 21 causal constraints over 5 iterations in 172 ms. Result :sat
Minimization took 71 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 3, 1019, 575, 1404, 541, 14, 1012, 2559, 277] Max Struct:[+inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
FORMULA FunctionPointer-PT-b004-UpperBounds-03 4 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 1019, 575, 1404, 541, 14, 1012, 2576, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 284/284 transitions.
Applied a total of 0 rules in 14 ms. Remains 110 /110 variables (removed 0) and now considering 284/284 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 110/110 places, 284/284 transitions.
[2025-06-01 04:20:01] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 96=1, 146=1, 177=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 95=1, 129=1, 171=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 9) seen :[2, 0, 0, 2147483647, 4, 2147483647, 2147483647, 6, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 1019, 575, +inf, 541, +inf, +inf, 2576, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:20:01] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
[2025-06-01 04:20:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13, 1019, 575, +inf, 541, +inf, +inf, 2576, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1894 ms. (527 steps per ms)
FORMULA FunctionPointer-PT-b004-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b004-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b004-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 6000005 steps (12 resets) in 3908 ms. (1534 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[177, 1019, 575, 541, 2576, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:20:07] [INFO ] Flow matrix only has 178 transitions (discarded 106 similar events)
[2025-06-01 04:20:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:07] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:07] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2025-06-01 04:20:07] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-01 04:20:07] [INFO ] [Real]Added 27 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:20:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:20:07] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2025-06-01 04:20:07] [INFO ] [Nat]Added 27 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:20:07] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 15 ms.
[2025-06-01 04:20:07] [INFO ] Added : 29 causal constraints over 7 iterations in 148 ms. Result :sat
Minimization took 82 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:07] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 04:20:08] [INFO ] [Real]Absence check using state equation in 102 ms returned sat
[2025-06-01 04:20:08] [INFO ] [Real]Added 27 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:20:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:08] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-06-01 04:20:08] [INFO ] [Nat]Added 27 Read/Feed constraints in 11 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:20:08] [INFO ] Deduced a trap composed of 17 places in 187 ms of which 15 ms to minimize.
[2025-06-01 04:20:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 209 ms
[2025-06-01 04:20:08] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 23 ms.
[2025-06-01 04:20:08] [INFO ] Added : 19 causal constraints over 5 iterations in 164 ms. Result :sat
Minimization took 68 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:08] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:08] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2025-06-01 04:20:08] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:20:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:09] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2025-06-01 04:20:09] [INFO ] [Nat]Added 27 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:20:09] [INFO ] Deduced a trap composed of 17 places in 142 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:20:09] [INFO ] Deduced a trap composed of 17 places in 161 ms of which 14 ms to minimize.
[2025-06-01 04:20:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 338 ms
[2025-06-01 04:20:09] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 26 ms.
[2025-06-01 04:20:09] [INFO ] Added : 14 causal constraints over 4 iterations in 144 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:09] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:09] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2025-06-01 04:20:09] [INFO ] [Real]Added 27 Read/Feed constraints in 13 ms returned sat
[2025-06-01 04:20:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:09] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2025-06-01 04:20:09] [INFO ] [Nat]Added 27 Read/Feed constraints in 13 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:20:10] [INFO ] Deduced a trap composed of 17 places in 169 ms of which 14 ms to minimize.
[2025-06-01 04:20:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 192 ms
[2025-06-01 04:20:10] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 21 ms.
[2025-06-01 04:20:10] [INFO ] Added : 26 causal constraints over 6 iterations in 179 ms. Result :sat
Minimization took 79 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:10] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:10] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2025-06-01 04:20:10] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:20:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:10] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2025-06-01 04:20:10] [INFO ] [Nat]Added 27 Read/Feed constraints in 9 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:20:10] [INFO ] Deduced a trap composed of 17 places in 159 ms of which 14 ms to minimize.
[2025-06-01 04:20:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 182 ms
[2025-06-01 04:20:10] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 22 ms.
[2025-06-01 04:20:11] [INFO ] Added : 9 causal constraints over 5 iterations in 137 ms. Result :sat
Minimization took 63 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:11] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:11] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2025-06-01 04:20:11] [INFO ] [Real]Added 27 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:20:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:11] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2025-06-01 04:20:11] [INFO ] [Nat]Added 27 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:20:11] [INFO ] Computed and/alt/rep : 69/356/66 causal constraints (skipped 110 transitions) in 22 ms.
[2025-06-01 04:20:11] [INFO ] Added : 21 causal constraints over 5 iterations in 169 ms. Result :sat
Minimization took 71 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[177, 1019, 575, 541, 2576, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[177, 1019, 575, 541, 2578, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 284/284 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 107 transition count 276
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 107 transition count 276
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 12 place count 107 transition count 270
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 15 place count 104 transition count 264
Iterating global reduction 1 with 3 rules applied. Total rules applied 18 place count 104 transition count 264
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 26 place count 104 transition count 256
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 27 place count 103 transition count 254
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 103 transition count 254
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 102 transition count 252
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 102 transition count 252
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 31 place count 101 transition count 250
Iterating global reduction 2 with 1 rules applied. Total rules applied 32 place count 101 transition count 250
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 33 place count 100 transition count 248
Iterating global reduction 2 with 1 rules applied. Total rules applied 34 place count 100 transition count 248
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 35 place count 99 transition count 246
Iterating global reduction 2 with 1 rules applied. Total rules applied 36 place count 99 transition count 246
Applied a total of 36 rules in 34 ms. Remains 99 /110 variables (removed 11) and now considering 246/284 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 99/110 places, 246/284 transitions.
[2025-06-01 04:20:24] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 35=1, 39=1, 77=1, 126=1, 154=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {24=1, 73=1, 106=1, 149=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 6) seen :[0, 5, 3, 0, 4, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[177, 1019, 575, 541, 2578, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:20:24] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
// Phase 1: matrix 155 rows 99 cols
[2025-06-01 04:20:24] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[177, 1019, 575, 541, 2578, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1660 ms. (602 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 4125 ms. (1454 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[274, 1019, 631, 606, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:20:30] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:20:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:30] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:30] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2025-06-01 04:20:30] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:20:30] [INFO ] [Real]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:20:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:20:30] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2025-06-01 04:20:30] [INFO ] [Nat]Added 24 Read/Feed constraints in 8 ms returned sat
[2025-06-01 04:20:30] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 20 ms.
[2025-06-01 04:20:30] [INFO ] Added : 22 causal constraints over 5 iterations in 147 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:30] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:31] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2025-06-01 04:20:31] [INFO ] [Real]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:20:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:31] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2025-06-01 04:20:31] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:20:31] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 17 ms.
[2025-06-01 04:20:31] [INFO ] Added : 29 causal constraints over 7 iterations in 191 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:31] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:31] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2025-06-01 04:20:31] [INFO ] [Real]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:20:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:31] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 04:20:31] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:20:31] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:20:31] [INFO ] Added : 10 causal constraints over 3 iterations in 106 ms. Result :sat
Minimization took 91 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:32] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:32] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 04:20:32] [INFO ] [Real]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:20:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:32] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 04:20:32] [INFO ] [Nat]Added 24 Read/Feed constraints in 15 ms returned sat
[2025-06-01 04:20:32] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 18 ms.
[2025-06-01 04:20:32] [INFO ] Added : 25 causal constraints over 7 iterations in 184 ms. Result :sat
Minimization took 80 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:32] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:32] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2025-06-01 04:20:32] [INFO ] [Real]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:20:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:20:33] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2025-06-01 04:20:33] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:20:33] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:20:33] [INFO ] Added : 6 causal constraints over 3 iterations in 100 ms. Result :sat
Minimization took 57 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:33] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:20:33] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2025-06-01 04:20:33] [INFO ] [Real]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:20:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:20:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:20:33] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 04:20:33] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:20:33] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:20:33] [INFO ] Added : 16 causal constraints over 4 iterations in 128 ms. Result :sat
Minimization took 67 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[274, 1019, 631, 606, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[274, 1019, 631, 606, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 9 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 99/99 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 7 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-06-01 04:20:44] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:20:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:20:45] [INFO ] Implicit Places using invariants in 188 ms returned []
[2025-06-01 04:20:45] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:20:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:20:45] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:20:45] [INFO ] Implicit Places using invariants and state equation in 549 ms returned []
Implicit Place search using SMT with State Equation took 739 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:20:45] [INFO ] Redundant transitions in 7 ms returned []
Running 244 sub problems to find dead transitions.
[2025-06-01 04:20:45] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:20:45] [INFO ] Invariant cache hit.
[2025-06-01 04:20:45] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 126 constraints, problems are : Problem set: 0 solved, 244 unsolved in 16186 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 244/370 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:21:10] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:21:10] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:21:10] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:21:10] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:21:10] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:21:10] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:21:11] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:21:11] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 8/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 378 constraints, problems are : Problem set: 0 solved, 244 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 46445ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 46449ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47214 ms. Remains : 99/99 places, 246/246 transitions.
[2025-06-01 04:21:32] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 35=1, 39=1, 77=1, 126=1, 154=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {24=1, 73=1, 106=1, 149=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 6) seen :[3, 3, 3, 2, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[274, 1019, 631, 606, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:21:32] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:21:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[274, 1019, 631, 606, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1476 ms. (677 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3854 ms. (1556 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[274, 1019, 631, 654, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:21:37] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:21:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:21:37] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-06-01 04:21:37] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:21:37] [INFO ] [Real]Added 24 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:21:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:21:37] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2025-06-01 04:21:37] [INFO ] [Nat]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:21:37] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 16 ms.
[2025-06-01 04:21:38] [INFO ] Added : 22 causal constraints over 5 iterations in 130 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:38] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:21:38] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-06-01 04:21:38] [INFO ] [Real]Added 24 Read/Feed constraints in 6 ms returned sat
[2025-06-01 04:21:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:38] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2025-06-01 04:21:38] [INFO ] [Nat]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:21:38] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 20 ms.
[2025-06-01 04:21:38] [INFO ] Added : 29 causal constraints over 7 iterations in 192 ms. Result :sat
Minimization took 72 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:38] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:38] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2025-06-01 04:21:38] [INFO ] [Real]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:21:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:38] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2025-06-01 04:21:38] [INFO ] [Nat]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:21:39] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 20 ms.
[2025-06-01 04:21:39] [INFO ] Added : 10 causal constraints over 3 iterations in 107 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:39] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:39] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2025-06-01 04:21:39] [INFO ] [Real]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:21:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:39] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2025-06-01 04:21:39] [INFO ] [Nat]Added 24 Read/Feed constraints in 15 ms returned sat
[2025-06-01 04:21:39] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 18 ms.
[2025-06-01 04:21:39] [INFO ] Added : 25 causal constraints over 7 iterations in 180 ms. Result :sat
Minimization took 79 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:39] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:39] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 04:21:39] [INFO ] [Real]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:21:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:40] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2025-06-01 04:21:40] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:21:40] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 20 ms.
[2025-06-01 04:21:40] [INFO ] Added : 6 causal constraints over 3 iterations in 103 ms. Result :sat
Minimization took 60 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:40] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:40] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-01 04:21:40] [INFO ] [Real]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:21:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:21:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:21:40] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-06-01 04:21:40] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:21:40] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:21:40] [INFO ] Added : 16 causal constraints over 4 iterations in 129 ms. Result :sat
Minimization took 68 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[274, 1019, 631, 654, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[274, 1019, 631, 654, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 7 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 99/99 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 7 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-06-01 04:21:52] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:21:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:21:52] [INFO ] Implicit Places using invariants in 218 ms returned []
[2025-06-01 04:21:52] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:21:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:21:52] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:21:53] [INFO ] Implicit Places using invariants and state equation in 569 ms returned []
Implicit Place search using SMT with State Equation took 789 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:21:53] [INFO ] Redundant transitions in 5 ms returned []
Running 244 sub problems to find dead transitions.
[2025-06-01 04:21:53] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:21:53] [INFO ] Invariant cache hit.
[2025-06-01 04:21:53] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 126 constraints, problems are : Problem set: 0 solved, 244 unsolved in 15759 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 244/370 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:22:17] [INFO ] Deduced a trap along path composed of 3 places in 54 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:22:17] [INFO ] Deduced a trap along path composed of 3 places in 40 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:22:17] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:22:17] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:22:17] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:22:17] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:22:18] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:22:18] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 8/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
(s1 0)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 1)
(s8 0)
(s9 0)
(s10 0)
(s11 1)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 378 constraints, problems are : Problem set: 0 solved, 244 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 45915ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 45918ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46729 ms. Remains : 99/99 places, 246/246 transitions.
[2025-06-01 04:22:39] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 35=1, 39=1, 77=1, 126=1, 154=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 3 ms.
This minimized invariant on transitions {24=1, 73=1, 106=1, 149=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 6) seen :[2, 0, 0, 3, 4, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[274, 1019, 631, 654, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:22:39] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:22:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[274, 1019, 631, 654, 2963, 277] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1938 ms. (515 steps per ms)
BEST_FIRST walk for 6000004 steps (12 resets) in 3753 ms. (1598 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[274, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:22:45] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:22:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:45] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:22:45] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2025-06-01 04:22:45] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:22:45] [INFO ] [Real]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:22:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:22:45] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2025-06-01 04:22:45] [INFO ] [Nat]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:22:45] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 17 ms.
[2025-06-01 04:22:45] [INFO ] Added : 22 causal constraints over 5 iterations in 134 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:45] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:22:45] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2025-06-01 04:22:45] [INFO ] [Real]Added 24 Read/Feed constraints in 8 ms returned sat
[2025-06-01 04:22:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:22:45] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2025-06-01 04:22:45] [INFO ] [Nat]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:22:45] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 18 ms.
[2025-06-01 04:22:46] [INFO ] Added : 29 causal constraints over 7 iterations in 170 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:46] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 04:22:46] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2025-06-01 04:22:46] [INFO ] [Real]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:22:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:22:46] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2025-06-01 04:22:46] [INFO ] [Nat]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:22:46] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 15 ms.
[2025-06-01 04:22:46] [INFO ] Added : 10 causal constraints over 3 iterations in 96 ms. Result :sat
Minimization took 66 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:46] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:22:46] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2025-06-01 04:22:46] [INFO ] [Real]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:22:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:22:46] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2025-06-01 04:22:46] [INFO ] [Nat]Added 24 Read/Feed constraints in 15 ms returned sat
[2025-06-01 04:22:46] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 18 ms.
[2025-06-01 04:22:47] [INFO ] Added : 25 causal constraints over 7 iterations in 177 ms. Result :sat
Minimization took 84 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:47] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:22:47] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2025-06-01 04:22:47] [INFO ] [Real]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:22:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:22:47] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2025-06-01 04:22:47] [INFO ] [Nat]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:22:47] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 16 ms.
[2025-06-01 04:22:47] [INFO ] Added : 6 causal constraints over 3 iterations in 88 ms. Result :sat
Minimization took 57 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:47] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:22:47] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2025-06-01 04:22:47] [INFO ] [Real]Added 24 Read/Feed constraints in 8 ms returned sat
[2025-06-01 04:22:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:22:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:22:47] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2025-06-01 04:22:47] [INFO ] [Nat]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:22:47] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 16 ms.
[2025-06-01 04:22:48] [INFO ] Added : 16 causal constraints over 4 iterations in 113 ms. Result :sat
Minimization took 68 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[274, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[274, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 7 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 99/99 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 6 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-06-01 04:22:59] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:22:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:23:00] [INFO ] Implicit Places using invariants in 175 ms returned []
[2025-06-01 04:23:00] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:23:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:23:00] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:23:00] [INFO ] Implicit Places using invariants and state equation in 364 ms returned []
Implicit Place search using SMT with State Equation took 543 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:23:00] [INFO ] Redundant transitions in 2 ms returned []
Running 244 sub problems to find dead transitions.
[2025-06-01 04:23:00] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:23:00] [INFO ] Invariant cache hit.
[2025-06-01 04:23:00] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 126 constraints, problems are : Problem set: 0 solved, 244 unsolved in 16252 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 244/370 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:23:25] [INFO ] Deduced a trap along path composed of 3 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:23:25] [INFO ] Deduced a trap along path composed of 3 places in 41 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:23:25] [INFO ] Deduced a trap along path composed of 3 places in 43 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:23:26] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:23:26] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:23:26] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:23:26] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:23:27] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 8/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 378 constraints, problems are : Problem set: 0 solved, 244 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 46366ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 46367ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46926 ms. Remains : 99/99 places, 246/246 transitions.
[2025-06-01 04:23:46] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 35=1, 39=1, 77=1, 126=1, 154=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {24=1, 73=1, 106=1, 149=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 6) seen :[2, 7, 5, 2, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[274, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:23:47] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:23:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[274, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1697 ms. (588 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3576 ms. (1677 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:23:52] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:23:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:52] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:23:52] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-06-01 04:23:52] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:23:52] [INFO ] [Real]Added 24 Read/Feed constraints in 8 ms returned sat
[2025-06-01 04:23:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:23:52] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-06-01 04:23:52] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:23:52] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 15 ms.
[2025-06-01 04:23:52] [INFO ] Added : 22 causal constraints over 5 iterations in 123 ms. Result :sat
Minimization took 75 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:23:52] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-06-01 04:23:52] [INFO ] [Real]Added 24 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:23:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:23:53] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-06-01 04:23:53] [INFO ] [Nat]Added 24 Read/Feed constraints in 6 ms returned sat
[2025-06-01 04:23:53] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 12 ms.
[2025-06-01 04:23:53] [INFO ] Added : 29 causal constraints over 7 iterations in 116 ms. Result :sat
Minimization took 66 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:53] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:23:53] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2025-06-01 04:23:53] [INFO ] [Real]Added 24 Read/Feed constraints in 8 ms returned sat
[2025-06-01 04:23:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:23:53] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2025-06-01 04:23:53] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:23:53] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 18 ms.
[2025-06-01 04:23:53] [INFO ] Added : 10 causal constraints over 3 iterations in 104 ms. Result :sat
Minimization took 62 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:53] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 04:23:53] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2025-06-01 04:23:53] [INFO ] [Real]Added 24 Read/Feed constraints in 13 ms returned sat
[2025-06-01 04:23:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:23:54] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2025-06-01 04:23:54] [INFO ] [Nat]Added 24 Read/Feed constraints in 14 ms returned sat
[2025-06-01 04:23:54] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:23:54] [INFO ] Added : 25 causal constraints over 7 iterations in 180 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:54] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:23:54] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2025-06-01 04:23:54] [INFO ] [Real]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:23:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:23:54] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2025-06-01 04:23:54] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:23:54] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 21 ms.
[2025-06-01 04:23:54] [INFO ] Added : 6 causal constraints over 3 iterations in 109 ms. Result :sat
Minimization took 61 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:54] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:23:55] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2025-06-01 04:23:55] [INFO ] [Real]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:23:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:23:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:23:55] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2025-06-01 04:23:55] [INFO ] [Nat]Added 24 Read/Feed constraints in 13 ms returned sat
[2025-06-01 04:23:55] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 18 ms.
[2025-06-01 04:23:55] [INFO ] Added : 16 causal constraints over 4 iterations in 132 ms. Result :sat
Minimization took 73 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 6 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 99/99 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 6 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-06-01 04:24:07] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:24:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:24:08] [INFO ] Implicit Places using invariants in 209 ms returned []
[2025-06-01 04:24:08] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:24:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:24:08] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:24:08] [INFO ] Implicit Places using invariants and state equation in 555 ms returned []
Implicit Place search using SMT with State Equation took 766 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:24:08] [INFO ] Redundant transitions in 2 ms returned []
Running 244 sub problems to find dead transitions.
[2025-06-01 04:24:08] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:24:08] [INFO ] Invariant cache hit.
[2025-06-01 04:24:08] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 126 constraints, problems are : Problem set: 0 solved, 244 unsolved in 17609 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 244/370 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:24:34] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:24:34] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:24:34] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:24:34] [INFO ] Deduced a trap along path composed of 3 places in 38 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:24:34] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:24:34] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:24:35] [INFO ] Deduced a trap along path composed of 3 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:24:35] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 8/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 378 constraints, problems are : Problem set: 0 solved, 244 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 47730ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 47731ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48515 ms. Remains : 99/99 places, 246/246 transitions.
[2025-06-01 04:24:56] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 35=1, 39=1, 77=1, 126=1, 154=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {24=1, 73=1, 106=1, 149=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 6) seen :[2, 0, 0, 3, 6, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:24:56] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:24:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1431 ms. (698 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3555 ms. (1687 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 04:25:01] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:25:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:01] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:25:01] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-06-01 04:25:01] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:25:01] [INFO ] [Real]Added 24 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:25:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:25:01] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2025-06-01 04:25:01] [INFO ] [Nat]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:25:01] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 18 ms.
[2025-06-01 04:25:01] [INFO ] Added : 22 causal constraints over 5 iterations in 134 ms. Result :sat
Minimization took 68 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:02] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:25:02] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2025-06-01 04:25:02] [INFO ] [Real]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:25:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:25:02] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2025-06-01 04:25:02] [INFO ] [Nat]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:25:02] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:25:02] [INFO ] Added : 29 causal constraints over 7 iterations in 189 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:02] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:25:02] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2025-06-01 04:25:02] [INFO ] [Real]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:25:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:25:02] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2025-06-01 04:25:02] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:25:03] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 18 ms.
[2025-06-01 04:25:03] [INFO ] Added : 10 causal constraints over 3 iterations in 107 ms. Result :sat
Minimization took 62 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:03] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:25:03] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 04:25:03] [INFO ] [Real]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:25:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:25:03] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2025-06-01 04:25:03] [INFO ] [Nat]Added 24 Read/Feed constraints in 13 ms returned sat
[2025-06-01 04:25:03] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:25:03] [INFO ] Added : 25 causal constraints over 7 iterations in 186 ms. Result :sat
Minimization took 77 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:03] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:25:03] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 04:25:03] [INFO ] [Real]Added 24 Read/Feed constraints in 12 ms returned sat
[2025-06-01 04:25:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:25:04] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2025-06-01 04:25:04] [INFO ] [Nat]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:25:04] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:25:04] [INFO ] Added : 6 causal constraints over 3 iterations in 101 ms. Result :sat
Minimization took 57 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:04] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:25:04] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2025-06-01 04:25:04] [INFO ] [Real]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:25:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:25:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:25:04] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2025-06-01 04:25:04] [INFO ] [Nat]Added 24 Read/Feed constraints in 11 ms returned sat
[2025-06-01 04:25:04] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:25:04] [INFO ] Added : 16 causal constraints over 4 iterations in 129 ms. Result :sat
Minimization took 70 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Support contains 6 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 10 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 99/99 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 9 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-06-01 04:25:15] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:25:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:25:15] [INFO ] Implicit Places using invariants in 234 ms returned []
[2025-06-01 04:25:15] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:25:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:25:15] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:25:16] [INFO ] Implicit Places using invariants and state equation in 574 ms returned []
Implicit Place search using SMT with State Equation took 810 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:25:16] [INFO ] Redundant transitions in 2 ms returned []
Running 244 sub problems to find dead transitions.
[2025-06-01 04:25:16] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:25:16] [INFO ] Invariant cache hit.
[2025-06-01 04:25:16] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 126 constraints, problems are : Problem set: 0 solved, 244 unsolved in 16534 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 244/370 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:25:41] [INFO ] Deduced a trap along path composed of 3 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:25:41] [INFO ] Deduced a trap along path composed of 3 places in 42 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:25:41] [INFO ] Deduced a trap along path composed of 3 places in 52 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:25:41] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:25:41] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:25:41] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:25:42] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:25:42] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 8/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 254/254 variables, and 378 constraints, problems are : Problem set: 0 solved, 244 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 46657ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 46659ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47489 ms. Remains : 99/99 places, 246/246 transitions.
[2025-06-01 04:26:02] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {28=1, 35=1, 39=1, 77=1, 126=1, 154=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 73=1, 106=1, 149=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 6) seen :[2, 4, 3, 4, 5, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40004 steps (8 resets) in 1478 ms. (27 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 316 ms. (126 steps per ms) remains 6/6 properties
[2025-06-01 04:26:03] [INFO ] Flatten gal took : 153 ms
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 6/6 properties
[2025-06-01 04:26:03] [INFO ] Flatten gal took : 67 ms
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 6/6 properties
[2025-06-01 04:26:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16943988207425393792.gal : 27 ms
[2025-06-01 04:26:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13608573181709769709.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/ReachabilityCardinality16943988207425393792.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13608573181709769709.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 6/6 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 6/6 properties
Loading property file /tmp/ReachabilityCardinality13608573181709769709.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :31 after 942
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :942 after 51623
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :51623 after 883554
Interrupted probabilistic random walk after 220539 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :0 out of 6
Probabilistic random walk after 220539 steps, saw 137292 distinct states, run finished after 3010 ms. (steps per millisecond=73 ) properties seen :0
[2025-06-01 04:26:07] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:26:07] [INFO ] Invariant cache hit.
[2025-06-01 04:26:07] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 16/22 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 101/123 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 9/132 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 108/240 variables, 66/92 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/240 variables, 23/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/240 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 6/246 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 8/254 variables, 10/126 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 126 constraints, problems are : Problem set: 0 solved, 6 unsolved in 570 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 16/22 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 101/123 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 5/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 9/132 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 108/240 variables, 66/97 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/240 variables, 23/120 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/240 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/240 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 6/246 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/246 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 8/254 variables, 10/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:26:08] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:26:08] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/254 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/254 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (OVERLAPS) 0/254 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 134 constraints, problems are : Problem set: 0 solved, 6 unsolved in 697 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1273ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 4 different solutions.
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :883554 after 4.07412e+06
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :4.07412e+06 after 1.97871e+07
Parikh walk visited 1 properties in 30001 ms.
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 13 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 99/99 places, 246/246 transitions.
RANDOM walk for 40000 steps (8 resets) in 147 ms. (270 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 94 ms. (421 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 74 ms. (533 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 264979 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 5
Probabilistic random walk after 264979 steps, saw 164955 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2025-06-01 04:26:41] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:26:41] [INFO ] Invariant cache hit.
[2025-06-01 04:26:41] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 13/18 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 99/117 variables, 13/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 11/128 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 111/239 variables, 67/91 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 23/114 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/239 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 6/245 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/245 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 9/254 variables, 11/126 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 126 constraints, problems are : Problem set: 0 solved, 5 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 13/18 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 99/117 variables, 13/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 11/128 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/128 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/128 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 111/239 variables, 67/96 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/239 variables, 23/119 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/239 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 6/245 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/245 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 9/254 variables, 11/131 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:26:42] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:26:42] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:26:42] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/254 variables, 3/134 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/254 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/254 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 134 constraints, problems are : Problem set: 0 solved, 5 unsolved in 831 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 1257ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Detected timeout of ITS tools.
[2025-06-01 04:26:54] [INFO ] Flatten gal took : 31 ms
[2025-06-01 04:26:54] [INFO ] Applying decomposition
[2025-06-01 04:26:54] [INFO ] Flatten gal took : 27 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/graph2317450820709138571.txt' '-o' '/tmp/graph2317450820709138571.bin' '-w' '/tmp/graph2317450820709138571.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2317450820709138571.bin' '-l' '-1' '-v' '-w' '/tmp/graph2317450820709138571.weights' '-q' '0' '-e' '0.001'
[2025-06-01 04:26:54] [INFO ] Decomposing Gal with order
[2025-06-01 04:26:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 04:26:54] [INFO ] Removed a total of 423 redundant transitions.
[2025-06-01 04:26:54] [INFO ] Flatten gal took : 193 ms
[2025-06-01 04:26:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 144 labels/synchronizations in 41 ms.
[2025-06-01 04:26:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14079830007623650542.gal : 10 ms
[2025-06-01 04:26:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9455238749675925910.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/ReachabilityCardinality14079830007623650542.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9455238749675925910.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/ReachabilityCardinality9455238749675925910.prop.
Parikh walk visited 0 properties in 30001 ms.
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 5 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 99/99 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Applied a total of 0 rules in 5 ms. Remains 99 /99 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2025-06-01 04:27:12] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:27:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:27:12] [INFO ] Implicit Places using invariants in 146 ms returned []
[2025-06-01 04:27:12] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:27:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:27:13] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:27:13] [INFO ] Implicit Places using invariants and state equation in 337 ms returned []
Implicit Place search using SMT with State Equation took 486 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:27:13] [INFO ] Redundant transitions in 4 ms returned []
Running 244 sub problems to find dead transitions.
[2025-06-01 04:27:13] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:27:13] [INFO ] Invariant cache hit.
[2025-06-01 04:27:13] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 126 constraints, problems are : Problem set: 0 solved, 244 unsolved in 16483 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (OVERLAPS) 155/254 variables, 99/102 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 244/370 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:27:35] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:27:36] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:27:36] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:27:36] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:27:36] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:27:36] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:27:36] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:27:36] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 8/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
Detected timeout of ITS tools.
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 7 (OVERLAPS) 0/254 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 378 constraints, problems are : Problem set: 0 solved, 244 unsolved in 26862 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 99/99 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 43464ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 43471ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43974 ms. Remains : 99/99 places, 246/246 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[361, 1019, 631, 801, 2963, 416] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-01
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 04:27:56] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:27:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 25 ms. (384 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 04:27:56] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:27:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:27:56] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:27:56] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2025-06-01 04:27:56] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:27:56] [INFO ] [Real]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:27:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:27:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:27:57] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2025-06-01 04:27:57] [INFO ] [Nat]Added 24 Read/Feed constraints in 9 ms returned sat
[2025-06-01 04:27:57] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 19 ms.
[2025-06-01 04:27:57] [INFO ] Added : 22 causal constraints over 5 iterations in 118 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 96 transition count 236
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 96 transition count 236
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 94 transition count 232
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 94 transition count 232
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 92 transition count 226
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 92 transition count 226
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 16 place count 90 transition count 222
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 90 transition count 222
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 20 place count 88 transition count 218
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 88 transition count 218
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 24 place count 86 transition count 214
Iterating global reduction 0 with 2 rules applied. Total rules applied 26 place count 86 transition count 214
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 28 place count 84 transition count 210
Iterating global reduction 0 with 2 rules applied. Total rules applied 30 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 31 place count 83 transition count 208
Iterating global reduction 0 with 1 rules applied. Total rules applied 32 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 82 transition count 206
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 82 transition count 206
Applied a total of 34 rules in 31 ms. Remains 82 /99 variables (removed 17) and now considering 206/246 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 82/99 places, 206/246 transitions.
[2025-06-01 04:27:57] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 04:27:57] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
// Phase 1: matrix 126 rows 82 cols
[2025-06-01 04:27:57] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1257 ms. (794 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 981 ms. (1018 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[383] Max Struct:[+inf]
[2025-06-01 04:27:59] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:27:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:27:59] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:27:59] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-06-01 04:27:59] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:27:59] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:27:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:27:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:27:59] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-01 04:27:59] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:00] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 8 ms to minimize.
[2025-06-01 04:28:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
[2025-06-01 04:28:00] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 10 ms.
[2025-06-01 04:28:00] [INFO ] Added : 12 causal constraints over 4 iterations in 62 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[383] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[383] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 04:28:01] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:28:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:28:01] [INFO ] Implicit Places using invariants in 209 ms returned []
[2025-06-01 04:28:01] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:28:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:28:01] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:28:01] [INFO ] Implicit Places using invariants and state equation in 357 ms returned []
Implicit Place search using SMT with State Equation took 567 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:28:01] [INFO ] Redundant transitions in 2 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 04:28:01] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:28:01] [INFO ] Invariant cache hit.
[2025-06-01 04:28:01] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 10521 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:17] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:17] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:17] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:17] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:17] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:19] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 6/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 313 constraints, problems are : Problem set: 0 solved, 204 unsolved in 20453 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 31059ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 31060ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31641 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 04:28:32] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[383] Max Struct:[+inf]
[2025-06-01 04:28:32] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:28:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[383] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1283 ms. (778 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 563 ms. (1773 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[383] Max Struct:[+inf]
[2025-06-01 04:28:34] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:28:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:28:34] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:28:34] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-06-01 04:28:34] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:28:34] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:28:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:28:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:28:34] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-01 04:28:34] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:35] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 7 ms to minimize.
[2025-06-01 04:28:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 95 ms
[2025-06-01 04:28:35] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 11 ms.
[2025-06-01 04:28:35] [INFO ] Added : 12 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[383] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[383] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 04:28:36] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:28:36] [INFO ] Implicit Places using invariants in 112 ms returned []
[2025-06-01 04:28:36] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:28:36] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:28:36] [INFO ] Implicit Places using invariants and state equation in 255 ms returned []
Implicit Place search using SMT with State Equation took 369 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:28:36] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 04:28:36] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:28:36] [INFO ] Invariant cache hit.
[2025-06-01 04:28:36] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 9295 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:51] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:51] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:51] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:51] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:51] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:28:53] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 6/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 313 constraints, problems are : Problem set: 0 solved, 204 unsolved in 22517 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 31871ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 31872ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32253 ms. Remains : 82/82 places, 206/206 transitions.
[2025-06-01 04:29:08] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[383] Max Struct:[+inf]
[2025-06-01 04:29:08] [INFO ] Flatten gal took : 17 ms
[2025-06-01 04:29:08] [INFO ] Flatten gal took : 17 ms
[2025-06-01 04:29:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17315784397033077300.gal : 4 ms
[2025-06-01 04:29:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18274600217859051804.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/ReachabilityCardinality17315784397033077300.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18274600217859051804.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40002 steps (8 resets) in 130 ms. (305 steps per ms) remains 1/1 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 ...330
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality18274600217859051804.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 920
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :920 after 37840
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :37840 after 104715
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :104715 after 136495
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :136495 after 450010
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :450010 after 2.41427e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2.41427e+07 after 7.27617e+07
Interrupted probabilistic random walk after 1467554 steps, run timeout after 3001 ms. (steps per millisecond=489 ) properties seen :0 out of 1
Probabilistic random walk after 1467554 steps, saw 956718 distinct states, run finished after 3001 ms. (steps per millisecond=489 ) properties seen :0
[2025-06-01 04:29:11] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:29:11] [INFO ] Invariant cache hit.
[2025-06-01 04:29:11] [INFO ] State equation strengthened by 18 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) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 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 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) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 301ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1005 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/82 places, 206/206 transitions.
RANDOM walk for 40000 steps (8 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7.27617e+07 after 1.69811e+08
Interrupted probabilistic random walk after 1548258 steps, run timeout after 3001 ms. (steps per millisecond=515 ) properties seen :0 out of 1
Probabilistic random walk after 1548258 steps, saw 1005810 distinct states, run finished after 3001 ms. (steps per millisecond=515 ) properties seen :0
[2025-06-01 04:29:16] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:29:16] [INFO ] Invariant cache hit.
[2025-06-01 04:29:16] [INFO ] State equation strengthened by 18 read => feed constraints.
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) 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) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 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) 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) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 284ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 956 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2025-06-01 04:29:17] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:29:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:29:17] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-06-01 04:29:17] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:29:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:29:17] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:29:17] [INFO ] Implicit Places using invariants and state equation in 273 ms returned []
Implicit Place search using SMT with State Equation took 389 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:29:17] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2025-06-01 04:29:17] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2025-06-01 04:29:17] [INFO ] Invariant cache hit.
[2025-06-01 04:29:17] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 8283 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:29:30] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:29:30] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:29:30] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:29:31] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:29:31] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:29:32] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 6/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.69811e+08 after 3.63719e+08
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 313 constraints, problems are : Problem set: 0 solved, 204 unsolved in 20198 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 28557ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 28558ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28961 ms. Remains : 82/82 places, 206/206 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 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 86 rules applied. Total rules applied 86 place count 82 transition count 120
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 92 place count 76 transition count 120
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 92 place count 76 transition count 103
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 126 place count 59 transition count 103
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
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 156 place count 44 transition count 88
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 74
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 74
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 60
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 60
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 46
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 46
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 39
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 38
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 38
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 38
Applied a total of 211 rules in 23 ms. Remains 20 /82 variables (removed 62) and now considering 38/206 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 38 rows 20 cols
[2025-06-01 04:29:46] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 04:29:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:29:46] [INFO ] After 18ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 04:29:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 04:29:46] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 04:29:46] [INFO ] After 58ms 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
[2025-06-01 04:29:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 04:29:46] [INFO ] After 16ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 04:29:46] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 04:29:46] [INFO ] After 13ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 04:29:46] [INFO ] After 58ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 04:29:46] [INFO ] Flatten gal took : 5 ms
[2025-06-01 04:29:46] [INFO ] Flatten gal took : 3 ms
[2025-06-01 04:29:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7710519225449283896.gal : 1 ms
[2025-06-01 04:29:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18095367138373404793.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/ReachabilityCardinality7710519225449283896.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18095367138373404793.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/ReachabilityCardinality18095367138373404793.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 60
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :60 after 900
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :900 after 4560
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4560 after 19900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :19900 after 81980
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :81980 after 330300
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :330300 after 1.32104e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.32104e+06 after 5.2737e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.2737e+06 after 2.10536e+07
Detected timeout of ITS tools.
[2025-06-01 04:29:58] [INFO ] Flatten gal took : 16 ms
[2025-06-01 04:29:58] [INFO ] Applying decomposition
[2025-06-01 04:29:58] [INFO ] Flatten gal took : 14 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/graph16970895468906254296.txt' '-o' '/tmp/graph16970895468906254296.bin' '-w' '/tmp/graph16970895468906254296.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16970895468906254296.bin' '-l' '-1' '-v' '-w' '/tmp/graph16970895468906254296.weights' '-q' '0' '-e' '0.001'
[2025-06-01 04:29:58] [INFO ] Decomposing Gal with order
[2025-06-01 04:29:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 04:29:58] [INFO ] Removed a total of 348 redundant transitions.
[2025-06-01 04:29:58] [INFO ] Flatten gal took : 30 ms
[2025-06-01 04:29:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 97 labels/synchronizations in 8 ms.
[2025-06-01 04:29:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11765914099123360151.gal : 4 ms
[2025-06-01 04:29:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10979716882736831433.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/ReachabilityCardinality11765914099123360151.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10979716882736831433.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 ...309
Loading property file /tmp/ReachabilityCardinality10979716882736831433.prop.
Detected timeout of ITS tools.
[2025-06-01 04:30:01] [INFO ] Flatten gal took : 3 ms
[2025-06-01 04:30:01] [INFO ] Applying decomposition
[2025-06-01 04:30:01] [INFO ] Flatten gal took : 2 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/graph9330541813309867065.txt' '-o' '/tmp/graph9330541813309867065.bin' '-w' '/tmp/graph9330541813309867065.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9330541813309867065.bin' '-l' '-1' '-v' '-w' '/tmp/graph9330541813309867065.weights' '-q' '0' '-e' '0.001'
[2025-06-01 04:30:01] [INFO ] Decomposing Gal with order
[2025-06-01 04:30:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 04:30:01] [INFO ] Removed a total of 35 redundant transitions.
[2025-06-01 04:30:01] [INFO ] Flatten gal took : 9 ms
[2025-06-01 04:30:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 3 ms.
[2025-06-01 04:30:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8960391614744560421.gal : 5 ms
[2025-06-01 04:30:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9764375789684838609.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/ReachabilityCardinality8960391614744560421.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9764375789684838609.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/ReachabilityCardinality9764375789684838609.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 297
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :297 after 480
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :480 after 981
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :981 after 2001
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2001 after 4081
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4081 after 8181
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :8181 after 16401
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :16401 after 32801
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :32801 after 65601
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30312 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:[383] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-01 in 139951 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 04:30:16] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
// Phase 1: matrix 155 rows 99 cols
[2025-06-01 04:30:16] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9] Max Struct:[+inf]
[2025-06-01 04:30:16] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:30:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:30:16] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:30:16] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-06-01 04:30:16] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:30:16] [INFO ] [Real]Added 24 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:30:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:30:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:30:16] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-06-01 04:30:16] [INFO ] [Nat]Added 24 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:30:17] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 13 ms.
[2025-06-01 04:30:17] [INFO ] Added : 29 causal constraints over 7 iterations in 121 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9] Max Struct:[+inf]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 95 transition count 234
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 95 transition count 234
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 10 place count 93 transition count 230
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 93 transition count 230
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 91 transition count 222
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 91 transition count 222
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 18 place count 89 transition count 218
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 89 transition count 218
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 87 transition count 214
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 87 transition count 214
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 26 place count 85 transition count 210
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 85 transition count 210
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 30 place count 83 transition count 206
Iterating global reduction 0 with 2 rules applied. Total rules applied 32 place count 83 transition count 206
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 34 place count 81 transition count 202
Iterating global reduction 0 with 2 rules applied. Total rules applied 36 place count 81 transition count 202
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 38 place count 79 transition count 198
Iterating global reduction 0 with 2 rules applied. Total rules applied 40 place count 79 transition count 198
Applied a total of 40 rules in 37 ms. Remains 79 /99 variables (removed 20) and now considering 198/246 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 79/99 places, 198/246 transitions.
[2025-06-01 04:30:17] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2025-06-01 04:30:17] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2025-06-01 04:30:17] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[9] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1849 ms. (540 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 545 ms. (1831 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9] Max Struct:[+inf]
[2025-06-01 04:30:19] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 04:30:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:30:19] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:30:19] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2025-06-01 04:30:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:30:19] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 04:30:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:30:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:30:19] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2025-06-01 04:30:20] [INFO ] [Nat]Added 18 Read/Feed constraints in 8 ms returned sat
[2025-06-01 04:30:20] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 10 ms.
[2025-06-01 04:30:20] [INFO ] Added : 14 causal constraints over 4 iterations in 74 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2025-06-01 04:30:20] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 04:30:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:30:20] [INFO ] Implicit Places using invariants in 107 ms returned []
[2025-06-01 04:30:20] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 04:30:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:30:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:30:20] [INFO ] Implicit Places using invariants and state equation in 303 ms returned []
Implicit Place search using SMT with State Equation took 412 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:30:20] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2025-06-01 04:30:20] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2025-06-01 04:30:20] [INFO ] Invariant cache hit.
[2025-06-01 04:30:20] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 11926 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:30:37] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:30:37] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:30:37] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:30:37] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:30:37] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:30:38] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 6/302 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 302 constraints, problems are : Problem set: 0 solved, 196 unsolved in 19164 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 31169ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 31170ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31594 ms. Remains : 79/79 places, 198/198 transitions.
[2025-06-01 04:30:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2025-06-01 04:30:51] [INFO ] Flatten gal took : 22 ms
[2025-06-01 04:30:51] [INFO ] Flatten gal took : 12 ms
[2025-06-01 04:30:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11995100627442117439.gal : 2 ms
[2025-06-01 04:30:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12931167773924763949.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/ReachabilityCardinality11995100627442117439.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12931167773924763949.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40001 steps (8 resets) in 128 ms. (310 steps per ms) remains 1/1 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 ...330
BEST_FIRST walk for 18125 steps (2 resets) in 34 ms. (517 steps per ms) remains 0/1 properties
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:[9] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-06 in 35225 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 04:30:51] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
// Phase 1: matrix 155 rows 99 cols
[2025-06-01 04:30:51] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9] Max Struct:[+inf]
[2025-06-01 04:30:52] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:30:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:30:52] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:30:52] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2025-06-01 04:30:52] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:30:52] [INFO ] [Real]Added 24 Read/Feed constraints in 10 ms returned sat
[2025-06-01 04:30:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:30:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:30:52] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-06-01 04:30:52] [INFO ] [Nat]Added 24 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:30:52] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 13 ms.
[2025-06-01 04:30:52] [INFO ] Added : 10 causal constraints over 3 iterations in 69 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9] Max Struct:[+inf]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 96 transition count 238
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 96 transition count 238
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 94 transition count 234
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 94 transition count 234
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 92 transition count 226
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 92 transition count 226
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 16 place count 90 transition count 222
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 90 transition count 222
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 20 place count 88 transition count 218
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 88 transition count 218
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 24 place count 86 transition count 214
Iterating global reduction 0 with 2 rules applied. Total rules applied 26 place count 86 transition count 214
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 28 place count 84 transition count 210
Iterating global reduction 0 with 2 rules applied. Total rules applied 30 place count 84 transition count 210
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 32 place count 82 transition count 206
Iterating global reduction 0 with 2 rules applied. Total rules applied 34 place count 82 transition count 206
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 36 place count 80 transition count 202
Iterating global reduction 0 with 2 rules applied. Total rules applied 38 place count 80 transition count 202
Applied a total of 38 rules in 17 ms. Remains 80 /99 variables (removed 19) and now considering 202/246 (removed 44) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 80/99 places, 202/246 transitions.
[2025-06-01 04:30:52] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2025-06-01 04:30:52] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
// Phase 1: matrix 124 rows 80 cols
[2025-06-01 04:30:52] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[9] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1217 ms. (821 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 616 ms. (1620 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[632] Max Struct:[+inf]
[2025-06-01 04:30:54] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:30:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:30:54] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:30:54] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-06-01 04:30:54] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:30:54] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:30:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:30:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:30:54] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-01 04:30:54] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 04:30:54] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 9 ms.
[2025-06-01 04:30:54] [INFO ] Added : 9 causal constraints over 3 iterations in 52 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[632] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[632] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 4 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2025-06-01 04:30:56] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:30:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:30:56] [INFO ] Implicit Places using invariants in 111 ms returned []
[2025-06-01 04:30:56] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:30:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:30:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:30:56] [INFO ] Implicit Places using invariants and state equation in 346 ms returned []
Implicit Place search using SMT with State Equation took 459 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:30:56] [INFO ] Redundant transitions in 1 ms returned []
Running 200 sub problems to find dead transitions.
[2025-06-01 04:30:56] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:30:56] [INFO ] Invariant cache hit.
[2025-06-01 04:30:56] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 6650 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:08] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:08] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:08] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:08] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:08] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 5/306 constraints. Problems are: Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:14] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 8 (OVERLAPS) 0/204 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 307 constraints, problems are : Problem set: 0 solved, 200 unsolved in 27164 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 33886ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 33888ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34359 ms. Remains : 80/80 places, 202/202 transitions.
[2025-06-01 04:31:30] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[632] Max Struct:[+inf]
[2025-06-01 04:31:30] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:31:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[632] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1217 ms. (821 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 829 ms. (1204 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[636] Max Struct:[+inf]
[2025-06-01 04:31:32] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:31:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:31:32] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:31:32] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-06-01 04:31:32] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:31:32] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:31:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:31:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:31:32] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2025-06-01 04:31:33] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:31:33] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 10 ms.
[2025-06-01 04:31:33] [INFO ] Added : 9 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[636] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[636] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2025-06-01 04:31:34] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:31:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:31:34] [INFO ] Implicit Places using invariants in 137 ms returned []
[2025-06-01 04:31:34] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:31:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:31:34] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:31:35] [INFO ] Implicit Places using invariants and state equation in 279 ms returned []
Implicit Place search using SMT with State Equation took 418 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:31:35] [INFO ] Redundant transitions in 1 ms returned []
Running 200 sub problems to find dead transitions.
[2025-06-01 04:31:35] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:31:35] [INFO ] Invariant cache hit.
[2025-06-01 04:31:35] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 7366 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:47] [INFO ] Deduced a trap along path composed of 3 places in 47 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:47] [INFO ] Deduced a trap along path composed of 3 places in 36 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:47] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:47] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:47] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 5/306 constraints. Problems are: Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:31:53] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 8 (OVERLAPS) 0/204 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 307 constraints, problems are : Problem set: 0 solved, 200 unsolved in 25453 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 32908ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 32909ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33338 ms. Remains : 80/80 places, 202/202 transitions.
[2025-06-01 04:32:07] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[636] Max Struct:[+inf]
[2025-06-01 04:32:08] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[636] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1155 ms. (865 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 529 ms. (1886 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[636] Max Struct:[+inf]
[2025-06-01 04:32:09] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:32:09] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:32:09] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-01 04:32:09] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:32:09] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2025-06-01 04:32:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:32:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:32:10] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2025-06-01 04:32:10] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:32:10] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 14 ms.
[2025-06-01 04:32:10] [INFO ] Added : 9 causal constraints over 3 iterations in 67 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[636] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[636] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 4 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2025-06-01 04:32:12] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:32:12] [INFO ] Implicit Places using invariants in 108 ms returned []
[2025-06-01 04:32:12] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:32:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:32:12] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 357 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:32:12] [INFO ] Redundant transitions in 1 ms returned []
Running 200 sub problems to find dead transitions.
[2025-06-01 04:32:12] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:12] [INFO ] Invariant cache hit.
[2025-06-01 04:32:12] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5801 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:32:23] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:32:23] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:32:23] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:32:23] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:32:23] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 5/306 constraints. Problems are: Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:32:29] [INFO ] Deduced a trap along path composed of 3 places in 34 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 8 (OVERLAPS) 0/204 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 307 constraints, problems are : Problem set: 0 solved, 200 unsolved in 26483 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 32334ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 32335ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32704 ms. Remains : 80/80 places, 202/202 transitions.
[2025-06-01 04:32:44] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[636] Max Struct:[+inf]
[2025-06-01 04:32:45] [INFO ] Flatten gal took : 20 ms
RANDOM walk for 40000 steps (8 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
[2025-06-01 04:32:45] [INFO ] Flatten gal took : 18 ms
[2025-06-01 04:32:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9937993191069439105.gal : 3 ms
[2025-06-01 04:32:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6603002468479950435.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/ReachabilityCardinality9937993191069439105.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6603002468479950435.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
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality6603002468479950435.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 915
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :915 after 36013
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :36013 after 93721
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :93721 after 853885
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :853885 after 6.12116e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :6.12116e+06 after 1.65747e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.65747e+07 after 3.74007e+07
Interrupted probabilistic random walk after 1667730 steps, run timeout after 3001 ms. (steps per millisecond=555 ) properties seen :0 out of 1
Probabilistic random walk after 1667730 steps, saw 1042728 distinct states, run finished after 3001 ms. (steps per millisecond=555 ) properties seen :0
[2025-06-01 04:32:48] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:48] [INFO ] Invariant cache hit.
[2025-06-01 04:32:48] [INFO ] State equation strengthened by 18 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/93 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 96/189 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 17/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 9/204 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 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 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/93 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/93 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 96/189 variables, 55/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 17/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/204 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 297ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.74007e+07 after 7.89716e+07
Parikh walk visited 0 properties in 943 ms.
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 4 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 80/80 places, 202/202 transitions.
RANDOM walk for 40002 steps (8 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1706454 steps, run timeout after 3001 ms. (steps per millisecond=568 ) properties seen :0 out of 1
Probabilistic random walk after 1706454 steps, saw 1064601 distinct states, run finished after 3004 ms. (steps per millisecond=568 ) properties seen :0
[2025-06-01 04:32:52] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:52] [INFO ] Invariant cache hit.
[2025-06-01 04:32:52] [INFO ] State equation strengthened by 18 read => feed constraints.
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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/93 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 96/189 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 17/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 9/204 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/93 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/93 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 96/189 variables, 55/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 17/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/204 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 311ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 909 ms.
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2025-06-01 04:32:53] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:32:53] [INFO ] Implicit Places using invariants in 103 ms returned []
[2025-06-01 04:32:53] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:32:53] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:32:53] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:32:54] [INFO ] Redundant transitions in 1 ms returned []
Running 200 sub problems to find dead transitions.
[2025-06-01 04:32:54] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2025-06-01 04:32:54] [INFO ] Invariant cache hit.
[2025-06-01 04:32:54] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :7.89716e+07 after 1.62032e+08
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:33:03] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:33:03] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:33:03] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:33:03] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:33:03] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 5/306 constraints. Problems are: Problem set: 0 solved, 200 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:33:09] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/204 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 8 (OVERLAPS) 0/204 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 307 constraints, problems are : Problem set: 0 solved, 200 unsolved in 24134 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 29228ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 29229ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29590 ms. Remains : 80/80 places, 202/202 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 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 84 rules applied. Total rules applied 84 place count 80 transition count 118
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 90 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 90 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 122 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
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 152 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 159 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 166 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 173 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 180 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 187 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 194 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 201 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 201 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 203 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 205 place count 20 transition count 37
Applied a total of 205 rules in 11 ms. Remains 20 /80 variables (removed 60) and now considering 37/202 (removed 165) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2025-06-01 04:33:23] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 04:33:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 04:33:23] [INFO ] After 21ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 04:33:23] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 04:33:23] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 04:33:23] [INFO ] After 54ms 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
[2025-06-01 04:33:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 04:33:23] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 04:33:23] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 04:33:23] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 04:33:23] [INFO ] After 52ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 04:33:23] [INFO ] Flatten gal took : 4 ms
[2025-06-01 04:33:23] [INFO ] Flatten gal took : 2 ms
[2025-06-01 04:33:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5267947022487653965.gal : 0 ms
[2025-06-01 04:33:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6128492904112837672.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/ReachabilityCardinality5267947022487653965.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6128492904112837672.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/ReachabilityCardinality6128492904112837672.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 60
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :60 after 900
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :900 after 4560
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4560 after 19900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :19900 after 81980
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :81980 after 330300
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :330300 after 1.32104e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.32104e+06 after 5.2737e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.2737e+06 after 2.10536e+07
Detected timeout of ITS tools.
[2025-06-01 04:33:35] [INFO ] Flatten gal took : 10 ms
[2025-06-01 04:33:35] [INFO ] Applying decomposition
[2025-06-01 04:33:35] [INFO ] Flatten gal took : 10 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/graph12294732223870383160.txt' '-o' '/tmp/graph12294732223870383160.bin' '-w' '/tmp/graph12294732223870383160.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12294732223870383160.bin' '-l' '-1' '-v' '-w' '/tmp/graph12294732223870383160.weights' '-q' '0' '-e' '0.001'
[2025-06-01 04:33:35] [INFO ] Decomposing Gal with order
[2025-06-01 04:33:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 04:33:35] [INFO ] Removed a total of 344 redundant transitions.
[2025-06-01 04:33:35] [INFO ] Flatten gal took : 23 ms
[2025-06-01 04:33:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 100 labels/synchronizations in 10 ms.
[2025-06-01 04:33:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6528334555249910706.gal : 3 ms
[2025-06-01 04:33:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15321915411676571197.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/ReachabilityCardinality6528334555249910706.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15321915411676571197.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/ReachabilityCardinality15321915411676571197.prop.
Detected timeout of ITS tools.
[2025-06-01 04:33:38] [INFO ] Flatten gal took : 3 ms
[2025-06-01 04:33:38] [INFO ] Applying decomposition
[2025-06-01 04:33:38] [INFO ] Flatten gal took : 4 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/graph3824819539215166155.txt' '-o' '/tmp/graph3824819539215166155.bin' '-w' '/tmp/graph3824819539215166155.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3824819539215166155.bin' '-l' '-1' '-v' '-w' '/tmp/graph3824819539215166155.weights' '-q' '0' '-e' '0.001'
[2025-06-01 04:33:38] [INFO ] Decomposing Gal with order
[2025-06-01 04:33:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 04:33:38] [INFO ] Removed a total of 29 redundant transitions.
[2025-06-01 04:33:38] [INFO ] Flatten gal took : 5 ms
[2025-06-01 04:33:38] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 2 ms.
[2025-06-01 04:33:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16379870857776293291.gal : 1 ms
[2025-06-01 04:33:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality288786191654256253.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/ReachabilityCardinality16379870857776293291.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality288786191654256253.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/ReachabilityCardinality288786191654256253.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 154
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30239 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:[636] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-08 in 181512 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 04:33:53] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
// Phase 1: matrix 155 rows 99 cols
[2025-06-01 04:33:53] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 04:33:53] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:33:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:33:53] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:33:53] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-06-01 04:33:53] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:33:53] [INFO ] [Real]Added 24 Read/Feed constraints in 8 ms returned sat
[2025-06-01 04:33:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:33:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:33:53] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2025-06-01 04:33:53] [INFO ] [Nat]Added 24 Read/Feed constraints in 19 ms returned sat
[2025-06-01 04:33:53] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 21 ms.
[2025-06-01 04:33:53] [INFO ] Added : 16 causal constraints over 5 iterations in 142 ms. Result :sat
Minimization took 65 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 96 transition count 236
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 96 transition count 236
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 9 place count 93 transition count 230
Iterating global reduction 0 with 3 rules applied. Total rules applied 12 place count 93 transition count 230
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 91 transition count 224
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 91 transition count 224
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 18 place count 89 transition count 220
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 89 transition count 220
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 87 transition count 216
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 87 transition count 216
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 26 place count 85 transition count 212
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 85 transition count 212
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 30 place count 83 transition count 208
Iterating global reduction 0 with 2 rules applied. Total rules applied 32 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 82 transition count 206
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 35 place count 81 transition count 204
Iterating global reduction 0 with 1 rules applied. Total rules applied 36 place count 81 transition count 204
Applied a total of 36 rules in 23 ms. Remains 81 /99 variables (removed 18) and now considering 204/246 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 81/99 places, 204/246 transitions.
[2025-06-01 04:33:54] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 04:33:54] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2025-06-01 04:33:54] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1570 ms. (636 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 517 ms. (1930 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1804] Max Struct:[+inf]
[2025-06-01 04:33:56] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 04:33:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:33:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:33:56] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-01 04:33:56] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:33:56] [INFO ] [Real]Added 18 Read/Feed constraints in 6 ms returned sat
[2025-06-01 04:33:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:33:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:33:56] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-01 04:33:56] [INFO ] [Nat]Added 18 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:33:56] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 8 ms to minimize.
[2025-06-01 04:33:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 83 ms
[2025-06-01 04:33:56] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 10 ms.
[2025-06-01 04:33:56] [INFO ] Added : 11 causal constraints over 3 iterations in 52 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1804] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1804] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2025-06-01 04:34:00] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 04:34:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:34:00] [INFO ] Implicit Places using invariants in 137 ms returned []
[2025-06-01 04:34:00] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 04:34:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:34:00] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:34:00] [INFO ] Implicit Places using invariants and state equation in 267 ms returned []
Implicit Place search using SMT with State Equation took 405 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:34:00] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2025-06-01 04:34:00] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 04:34:00] [INFO ] Invariant cache hit.
[2025-06-01 04:34:00] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:04] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 202 unsolved in 14588 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (OVERLAPS) 125/206 variables, 81/85 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 202/305 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:20] [INFO ] Deduced a trap along path composed of 3 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:20] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:20] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:20] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:20] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:22] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 6/311 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 8 (OVERLAPS) 0/206 variables, 0/311 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 311 constraints, problems are : Problem set: 0 solved, 202 unsolved in 20972 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 35610ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 35610ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36027 ms. Remains : 81/81 places, 204/204 transitions.
[2025-06-01 04:34:36] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2025-06-01 04:34:36] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2025-06-01 04:34:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1389 ms. (719 steps per ms)
FORMULA FunctionPointer-PT-b004-UpperBounds-10 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 04:34:38] [INFO ] Flatten gal took : 9 ms
[2025-06-01 04:34:38] [INFO ] Flatten gal took : 9 ms
[2025-06-01 04:34:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5714098630295406163.gal : 2 ms
[2025-06-01 04:34:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1116405772956362764.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/ReachabilityCardinality5714098630295406163.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1116405772956362764.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
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
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-10 in 44636 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-13
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 04:34:38] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
// Phase 1: matrix 155 rows 99 cols
[2025-06-01 04:34:38] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22] Max Struct:[+inf]
[2025-06-01 04:34:38] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:34:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:34:38] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:34:38] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-06-01 04:34:38] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:34:38] [INFO ] [Real]Added 24 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:34:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:34:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:34:38] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2025-06-01 04:34:38] [INFO ] [Nat]Added 24 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:34:38] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 13 ms.
[2025-06-01 04:34:38] [INFO ] Added : 6 causal constraints over 3 iterations in 69 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22] Max Struct:[+inf]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 95 transition count 234
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 95 transition count 234
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 92 transition count 228
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 92 transition count 228
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 89 transition count 218
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 89 transition count 218
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 23 place count 86 transition count 212
Iterating global reduction 0 with 3 rules applied. Total rules applied 26 place count 86 transition count 212
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 29 place count 83 transition count 206
Iterating global reduction 0 with 3 rules applied. Total rules applied 32 place count 83 transition count 206
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 35 place count 80 transition count 200
Iterating global reduction 0 with 3 rules applied. Total rules applied 38 place count 80 transition count 200
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 41 place count 77 transition count 194
Iterating global reduction 0 with 3 rules applied. Total rules applied 44 place count 77 transition count 194
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 46 place count 75 transition count 190
Iterating global reduction 0 with 2 rules applied. Total rules applied 48 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 74 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 74 transition count 188
Applied a total of 50 rules in 15 ms. Remains 74 /99 variables (removed 25) and now considering 188/246 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 74/99 places, 188/246 transitions.
[2025-06-01 04:34:38] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[22] Max Struct:[+inf]
[2025-06-01 04:34:38] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2025-06-01 04:34:38] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[22] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1314 ms. (760 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 529 ms. (1886 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[22] Max Struct:[+inf]
[2025-06-01 04:34:40] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2025-06-01 04:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:34:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:34:40] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-01 04:34:40] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 04:34:40] [INFO ] [Real]Added 17 Read/Feed constraints in 4 ms returned sat
[2025-06-01 04:34:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:34:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:34:40] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-06-01 04:34:40] [INFO ] [Nat]Added 17 Read/Feed constraints in 6 ms returned sat
[2025-06-01 04:34:40] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 12 ms.
[2025-06-01 04:34:40] [INFO ] Added : 7 causal constraints over 4 iterations in 68 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[22] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[22] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2025-06-01 04:34:40] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2025-06-01 04:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:34:40] [INFO ] Implicit Places using invariants in 94 ms returned []
[2025-06-01 04:34:40] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2025-06-01 04:34:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:34:40] [INFO ] State equation strengthened by 17 read => feed constraints.
[2025-06-01 04:34:41] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 411 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:34:41] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2025-06-01 04:34:41] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2025-06-01 04:34:41] [INFO ] Invariant cache hit.
[2025-06-01 04:34:41] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 8730 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:54] [INFO ] Deduced a trap along path composed of 3 places in 37 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:54] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:54] [INFO ] Deduced a trap along path composed of 3 places in 28 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:54] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:34:55] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 5/285 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 7 (OVERLAPS) 0/189 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 285 constraints, problems are : Problem set: 0 solved, 186 unsolved in 17206 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 25980ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 25981ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26402 ms. Remains : 74/74 places, 188/188 transitions.
[2025-06-01 04:35:07] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[22] Max Struct:[+inf]
[2025-06-01 04:35:07] [INFO ] Flatten gal took : 22 ms
RANDOM walk for 40005 steps (8 resets) in 126 ms. (315 steps per ms) remains 1/1 properties
[2025-06-01 04:35:07] [INFO ] Flatten gal took : 17 ms
BEST_FIRST walk for 26975 steps (5 resets) in 30 ms. (870 steps per ms) remains 0/1 properties
[2025-06-01 04:35:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10566133734046823221.gal : 3 ms
[2025-06-01 04:35:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12420534323672809146.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/ReachabilityCardinality10566133734046823221.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12420534323672809146.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
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
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[22] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-13 in 29270 ms.
Starting property specific reduction for FunctionPointer-PT-b004-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 04:35:07] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
// Phase 1: matrix 155 rows 99 cols
[2025-06-01 04:35:07] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 04:35:07] [INFO ] Flow matrix only has 155 transitions (discarded 91 similar events)
[2025-06-01 04:35:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:35:07] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:35:07] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-06-01 04:35:07] [INFO ] State equation strengthened by 24 read => feed constraints.
[2025-06-01 04:35:07] [INFO ] [Real]Added 24 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:35:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 04:35:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:35:07] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-06-01 04:35:07] [INFO ] [Nat]Added 24 Read/Feed constraints in 8 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:07] [INFO ] Deduced a trap composed of 16 places in 141 ms of which 17 ms to minimize.
[2025-06-01 04:35:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 165 ms
[2025-06-01 04:35:07] [INFO ] Computed and/alt/rep : 66/299/62 causal constraints (skipped 91 transitions) in 12 ms.
[2025-06-01 04:35:07] [INFO ] Added : 18 causal constraints over 6 iterations in 104 ms. Result :sat
Minimization took 45 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 246/246 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 96 transition count 238
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 96 transition count 238
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 94 transition count 234
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 94 transition count 234
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 92 transition count 228
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 92 transition count 228
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 16 place count 90 transition count 224
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 90 transition count 224
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 20 place count 88 transition count 220
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 88 transition count 220
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 24 place count 86 transition count 216
Iterating global reduction 0 with 2 rules applied. Total rules applied 26 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 28 place count 84 transition count 212
Iterating global reduction 0 with 2 rules applied. Total rules applied 30 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 31 place count 83 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 32 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 82 transition count 208
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 82 transition count 208
Applied a total of 34 rules in 14 ms. Remains 82 /99 variables (removed 17) and now considering 208/246 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 82/99 places, 208/246 transitions.
[2025-06-01 04:35:07] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 04:35:08] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2025-06-01 04:35:08] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1201 ms. (831 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 582 ms. (1715 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[250] Max Struct:[+inf]
[2025-06-01 04:35:09] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:35:09] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:35:10] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2025-06-01 04:35:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:35:10] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:35:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:35:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2025-06-01 04:35:10] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2025-06-01 04:35:10] [INFO ] [Nat]Added 18 Read/Feed constraints in 7 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:10] [INFO ] Deduced a trap composed of 14 places in 76 ms of which 8 ms to minimize.
[2025-06-01 04:35:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 90 ms
[2025-06-01 04:35:10] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 12 ms.
[2025-06-01 04:35:10] [INFO ] Added : 16 causal constraints over 4 iterations in 93 ms. Result :sat
Minimization took 52 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[250] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[250] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 04:35:11] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:35:11] [INFO ] Implicit Places using invariants in 144 ms returned []
[2025-06-01 04:35:11] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:35:11] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:35:11] [INFO ] Implicit Places using invariants and state equation in 286 ms returned []
Implicit Place search using SMT with State Equation took 432 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:35:11] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 04:35:11] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:11] [INFO ] Invariant cache hit.
[2025-06-01 04:35:11] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7930 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:25] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:25] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:25] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:26] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:26] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:27] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 6/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 315 constraints, problems are : Problem set: 0 solved, 206 unsolved in 23294 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 31278ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 31279ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31728 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 04:35:42] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[250] Max Struct:[+inf]
[2025-06-01 04:35:42] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[250] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1468 ms. (680 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 547 ms. (1824 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[381] Max Struct:[+inf]
[2025-06-01 04:35:44] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:35:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:35:45] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-06-01 04:35:45] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:35:45] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2025-06-01 04:35:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:35:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:35:45] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-06-01 04:35:45] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:35:45] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 8 ms to minimize.
[2025-06-01 04:35:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 95 ms
[2025-06-01 04:35:45] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 14 ms.
[2025-06-01 04:35:45] [INFO ] Added : 16 causal constraints over 4 iterations in 90 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[381] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[381] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 8 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 04:35:46] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:35:46] [INFO ] Implicit Places using invariants in 129 ms returned []
[2025-06-01 04:35:46] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:35:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:35:47] [INFO ] Implicit Places using invariants and state equation in 383 ms returned []
Implicit Place search using SMT with State Equation took 513 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:35:47] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 04:35:47] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:35:47] [INFO ] Invariant cache hit.
[2025-06-01 04:35:47] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7497 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:00] [INFO ] Deduced a trap along path composed of 3 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:00] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:00] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:00] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:00] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:02] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 6/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 315 constraints, problems are : Problem set: 0 solved, 206 unsolved in 21189 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 28771ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 28773ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29296 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 04:36:15] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[381] Max Struct:[+inf]
[2025-06-01 04:36:16] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[381] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1235 ms. (809 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 535 ms. (1865 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[381] Max Struct:[+inf]
[2025-06-01 04:36:17] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:36:17] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-06-01 04:36:17] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2025-06-01 04:36:17] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:36:17] [INFO ] [Real]Added 18 Read/Feed constraints in 7 ms returned sat
[2025-06-01 04:36:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 04:36:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:36:18] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2025-06-01 04:36:18] [INFO ] [Nat]Added 18 Read/Feed constraints in 17 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:18] [INFO ] Deduced a trap composed of 14 places in 100 ms of which 11 ms to minimize.
[2025-06-01 04:36:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
[2025-06-01 04:36:18] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2025-06-01 04:36:18] [INFO ] Added : 16 causal constraints over 4 iterations in 70 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[381] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[381] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 04:36:19] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:36:19] [INFO ] Implicit Places using invariants in 194 ms returned []
[2025-06-01 04:36:19] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:36:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:36:19] [INFO ] Implicit Places using invariants and state equation in 292 ms returned []
Implicit Place search using SMT with State Equation took 494 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:36:19] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 04:36:19] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:19] [INFO ] Invariant cache hit.
[2025-06-01 04:36:19] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 9080 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:34] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:34] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:34] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:34] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:34] [INFO ] Deduced a trap along path composed of 3 places in 19 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:36:36] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 6/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 315 constraints, problems are : Problem set: 0 solved, 206 unsolved in 21467 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 30630ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 30631ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31139 ms. Remains : 82/82 places, 208/208 transitions.
[2025-06-01 04:36:50] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[381] Max Struct:[+inf]
[2025-06-01 04:36:50] [INFO ] Flatten gal took : 9 ms
[2025-06-01 04:36:50] [INFO ] Flatten gal took : 8 ms
[2025-06-01 04:36:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6961773999745211941.gal : 2 ms
[2025-06-01 04:36:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17123805260855954838.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/ReachabilityCardinality6961773999745211941.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17123805260855954838.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 40002 steps (8 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality17123805260855954838.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 920
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :920 after 37840
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :37840 after 104715
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :104715 after 2.23148e+06
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.23148e+06 after 7.49876e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7.49876e+06 after 1.79523e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.79523e+07 after 3.87783e+07
Interrupted probabilistic random walk after 1638983 steps, run timeout after 3001 ms. (steps per millisecond=546 ) properties seen :0 out of 1
Probabilistic random walk after 1638983 steps, saw 1035749 distinct states, run finished after 3001 ms. (steps per millisecond=546 ) properties seen :0
[2025-06-01 04:36:53] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:53] [INFO ] Invariant cache hit.
[2025-06-01 04:36:53] [INFO ] State equation strengthened by 18 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 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 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 310ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 829 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
RANDOM walk for 40001 steps (8 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.87783e+07 after 8.03492e+07
Interrupted probabilistic random walk after 1547897 steps, run timeout after 3001 ms. (steps per millisecond=515 ) properties seen :0 out of 1
Probabilistic random walk after 1547897 steps, saw 973238 distinct states, run finished after 3001 ms. (steps per millisecond=515 ) properties seen :0
[2025-06-01 04:36:57] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:57] [INFO ] Invariant cache hit.
[2025-06-01 04:36:57] [INFO ] State equation strengthened by 18 read => feed constraints.
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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 331ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 858 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2025-06-01 04:36:58] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:36:59] [INFO ] Implicit Places using invariants in 112 ms returned []
[2025-06-01 04:36:59] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 04:36:59] [INFO ] State equation strengthened by 18 read => feed constraints.
[2025-06-01 04:36:59] [INFO ] Implicit Places using invariants and state equation in 245 ms returned []
Implicit Place search using SMT with State Equation took 382 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 04:36:59] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2025-06-01 04:36:59] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2025-06-01 04:36:59] [INFO ] Invariant cache hit.
[2025-06-01 04:36:59] [INFO ] State equation strengthened by 18 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 7018 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :8.03492e+07 after 1.6341e+08
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:37:11] [INFO ] Deduced a trap along path composed of 3 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:37:11] [INFO ] Deduced a trap along path composed of 3 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:37:11] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:37:11] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:37:11] [INFO ] Deduced a trap along path composed of 3 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 04:37:13] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 6/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 7 (OVERLAPS) 0/210 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 315 constraints, problems are : Problem set: 0 solved, 206 unsolved in 21023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 28106ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 28107ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28499 ms. Remains : 82/82 places, 208/208 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 87 rules applied. Total rules applied 87 place count 82 transition count 121
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 75 transition count 121
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 94 place count 75 transition count 105
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 126 place count 59 transition count 105
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
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 156 place count 44 transition count 90
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 76
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 76
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 62
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 62
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 48
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 48
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 41
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 40
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 40
Applied a total of 211 rules in 17 ms. Remains 20 /82 variables (removed 62) and now considering 40/208 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 40 rows 20 cols
[2025-06-01 04:37:27] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 04:37:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-06-01 04:37:27] [INFO ] After 16ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 04:37:27] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 04:37:27] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 04:37:27] [INFO ] After 49ms 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
[2025-06-01 04:37:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 04:37:27] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 04:37:27] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 04:37:27] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 04:37:27] [INFO ] After 52ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 04:37:27] [INFO ] Flatten gal took : 3 ms
[2025-06-01 04:37:27] [INFO ] Flatten gal took : 9 ms
[2025-06-01 04:37:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13084742742744217176.gal : 1 ms
[2025-06-01 04:37:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality73098092473461328.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/ReachabilityCardinality13084742742744217176.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality73098092473461328.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality73098092473461328.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 60
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :60 after 900
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :900 after 4560
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4560 after 19900
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :19900 after 81980
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :81980 after 330300
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :330300 after 1.32104e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.32104e+06 after 5.2737e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.2737e+06 after 2.10536e+07
Detected timeout of ITS tools.
[2025-06-01 04:37:40] [INFO ] Flatten gal took : 20 ms
[2025-06-01 04:37:40] [INFO ] Applying decomposition
[2025-06-01 04:37:40] [INFO ] Flatten gal took : 16 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/graph15105834577176916928.txt' '-o' '/tmp/graph15105834577176916928.bin' '-w' '/tmp/graph15105834577176916928.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15105834577176916928.bin' '-l' '-1' '-v' '-w' '/tmp/graph15105834577176916928.weights' '-q' '0' '-e' '0.001'
[2025-06-01 04:37:40] [INFO ] Decomposing Gal with order
[2025-06-01 04:37:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 04:37:40] [INFO ] Removed a total of 354 redundant transitions.
[2025-06-01 04:37:40] [INFO ] Flatten gal took : 17 ms
[2025-06-01 04:37:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 117 labels/synchronizations in 7 ms.
[2025-06-01 04:37:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8406417548852350265.gal : 2 ms
[2025-06-01 04:37:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8337127339629517372.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/ReachabilityCardinality8406417548852350265.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8337127339629517372.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/ReachabilityCardinality8337127339629517372.prop.
Detected timeout of ITS tools.
[2025-06-01 04:37:42] [INFO ] Flatten gal took : 2 ms
[2025-06-01 04:37:42] [INFO ] Applying decomposition
[2025-06-01 04:37:42] [INFO ] Flatten gal took : 2 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/graph9738851863584351084.txt' '-o' '/tmp/graph9738851863584351084.bin' '-w' '/tmp/graph9738851863584351084.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9738851863584351084.bin' '-l' '-1' '-v' '-w' '/tmp/graph9738851863584351084.weights' '-q' '0' '-e' '0.001'
[2025-06-01 04:37:42] [INFO ] Decomposing Gal with order
[2025-06-01 04:37:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 04:37:42] [INFO ] Removed a total of 43 redundant transitions.
[2025-06-01 04:37:42] [INFO ] Flatten gal took : 9 ms
[2025-06-01 04:37:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 10 labels/synchronizations in 7 ms.
[2025-06-01 04:37:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10098154303867949471.gal : 3 ms
[2025-06-01 04:37:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12527279557126950318.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/ReachabilityCardinality10098154303867949471.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12527279557126950318.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 ...309
Loading property file /tmp/ReachabilityCardinality12527279557126950318.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 274
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :274 after 1017
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1017 after 2811
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2811 after 8277
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8277 after 25683
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :25683 after 89811
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30226 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:[381] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b004-UpperBounds-15 in 170315 ms.
[2025-06-01 04:37:57] [INFO ] Flatten gal took : 9 ms
[2025-06-01 04:37:57] [INFO ] Applying decomposition
[2025-06-01 04:37:57] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6850674833901432422.txt' '-o' '/tmp/graph6850674833901432422.bin' '-w' '/tmp/graph6850674833901432422.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6850674833901432422.bin' '-l' '-1' '-v' '-w' '/tmp/graph6850674833901432422.weights' '-q' '0' '-e' '0.001'
[2025-06-01 04:37:57] [INFO ] Decomposing Gal with order
[2025-06-01 04:37:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 04:37:57] [INFO ] Removed a total of 421 redundant transitions.
[2025-06-01 04:37:57] [INFO ] Flatten gal took : 20 ms
[2025-06-01 04:37:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 146 labels/synchronizations in 7 ms.
[2025-06-01 04:37:57] [INFO ] Time to serialize gal into /tmp/UpperBounds9394683448452524156.gal : 2 ms
[2025-06-01 04:37:57] [INFO ] Time to serialize properties into /tmp/UpperBounds2062656106056848327.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/UpperBounds9394683448452524156.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2062656106056848327.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds2062656106056848327.prop.
Detected timeout of ITS tools.
[2025-06-01 05:04:40] [INFO ] Flatten gal took : 9 ms
[2025-06-01 05:04:40] [INFO ] Time to serialize gal into /tmp/UpperBounds10733224364657991442.gal : 3 ms
[2025-06-01 05:04:40] [INFO ] Time to serialize properties into /tmp/UpperBounds1683012939897990063.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/UpperBounds10733224364657991442.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds1683012939897990063.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 ...305
Loading property file /tmp/UpperBounds1683012939897990063.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="FunctionPointer-PT-b004"
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 FunctionPointer-PT-b004, 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 r100-smll-174867007300069"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b004.tgz
mv FunctionPointer-PT-b004 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 ;