Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r536-tall-171690532900669.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is Sudoku-PT-AN13, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r536-tall-171690532900669
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 42M
-rw-r--r-- 1 mcc users 813K Apr 12 11:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 3.6M Apr 12 11:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Apr 12 10:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 7.3M Apr 12 10:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 379K Apr 23 08:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.3M Apr 23 08:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.1M Apr 23 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 3.7M Apr 23 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.7M Apr 12 12:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 7.6M Apr 12 12:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.0M Apr 12 11:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 9.1M Apr 12 11:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 78K Apr 23 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 191K Apr 23 08:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 1.2M May 18 16:43 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

here is the order used to build the result vector(from text file)
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-00
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-01
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-02
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-03
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-04
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-05
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-06
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-07
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-08
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-09
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-10
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-11
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-12
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-13
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-14
FORMULA_NAME Sudoku-PT-AN13-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717274503346

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Sudoku-PT-AN13
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 20:41:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 20:41:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 20:41:44] [INFO ] Load time of PNML (sax parser for PT used): 196 ms
[2024-06-01 20:41:44] [INFO ] Transformed 2704 places.
[2024-06-01 20:41:44] [INFO ] Transformed 2197 transitions.
[2024-06-01 20:41:44] [INFO ] Found NUPN structural information;
[2024-06-01 20:41:44] [INFO ] Parsed PT model containing 2704 places and 2197 transitions and 8788 arcs in 317 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 26 ms.
Reduction of identical properties reduced properties to check from 16 to 12
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[169, 169, 169, 0, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[169, 169, 169, 2197, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA Sudoku-PT-AN13-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-02 169 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-04 169 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-07 169 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-01 169 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-05 169 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-PT-AN13-UpperBounds-00 169 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[2197]
// Phase 1: matrix 2197 rows 2704 cols
[2024-06-01 20:41:44] [INFO ] Computed 507 invariants in 50 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[2197]
RANDOM walk for 10000 steps (67 resets) in 1824 ms. (5 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 399 ms. (25 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[154] Max Struct:[2197]
[2024-06-01 20:41:47] [INFO ] Invariant cache hit.
[2024-06-01 20:41:49] [INFO ] [Real]Absence check using 507 positive place invariants in 1260 ms returned sat
[2024-06-01 20:41:52] [INFO ] [Real]Absence check using state equation in 3222 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[154] Max Struct:[2197]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154] Max Struct:[2197]
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 157 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 20:41:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[154] Max Struct:[2197]
RANDOM walk for 167725 steps (1130 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 123134 steps (1 resets) in 5025 ms. (24 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[155] Max Struct:[2197]
[2024-06-01 20:42:27] [INFO ] Invariant cache hit.
[2024-06-01 20:42:29] [INFO ] [Real]Absence check using 507 positive place invariants in 1500 ms returned sat
[2024-06-01 20:42:32] [INFO ] [Real]Absence check using state equation in 2610 ms returned sat
[2024-06-01 20:42:32] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 115 ms.
[2024-06-01 20:42:32] [INFO ] Added : 0 causal constraints over 0 iterations in 357 ms. Result :sat
Minimization took 5579 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[155] Max Struct:[2197]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[155] Max Struct:[2197]
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 119 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 119 ms. Remains : 2704/2704 places, 2197/2197 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 104 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 20:42:38] [INFO ] Invariant cache hit.
[2024-06-01 20:42:43] [INFO ] Implicit Places using invariants in 5134 ms returned []
[2024-06-01 20:42:43] [INFO ] Invariant cache hit.
[2024-06-01 20:42:49] [INFO ] Implicit Places using invariants and state equation in 5928 ms returned []
Implicit Place search using SMT with State Equation took 11066 ms to find 0 implicit places.
[2024-06-01 20:42:49] [INFO ] Redundant transitions in 103 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11293 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 20:42:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[155] Max Struct:[2197]
RANDOM walk for 161990 steps (1092 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 107783 steps (1 resets) in 5044 ms. (21 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[155] Max Struct:[2197]
[2024-06-01 20:43:24] [INFO ] Invariant cache hit.
[2024-06-01 20:43:26] [INFO ] [Real]Absence check using 507 positive place invariants in 1503 ms returned sat
[2024-06-01 20:43:29] [INFO ] [Real]Absence check using state equation in 2528 ms returned sat
[2024-06-01 20:43:29] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 86 ms.
[2024-06-01 20:43:29] [INFO ] Added : 0 causal constraints over 0 iterations in 273 ms. Result :sat
Minimization took 5263 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[155] Max Struct:[2197]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[155] Max Struct:[2197]
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 65 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 2704/2704 places, 2197/2197 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 76 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 20:43:35] [INFO ] Invariant cache hit.
[2024-06-01 20:43:40] [INFO ] Implicit Places using invariants in 4952 ms returned []
[2024-06-01 20:43:40] [INFO ] Invariant cache hit.
[2024-06-01 20:43:46] [INFO ] Implicit Places using invariants and state equation in 5811 ms returned []
Implicit Place search using SMT with State Equation took 10790 ms to find 0 implicit places.
[2024-06-01 20:43:46] [INFO ] Redundant transitions in 103 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10981 ms. Remains : 2704/2704 places, 2197/2197 transitions.
RANDOM walk for 40000 steps (268 resets) in 10747 ms. (3 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2155 ms. (18 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2419 ms. (16 steps per ms) remains 2/2 properties
Probabilistic random walk after 156489 steps, saw 156376 distinct states, run finished after 12053 ms. (steps per millisecond=12 ) properties seen :0
[2024-06-01 20:44:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 2197/2197 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2197 variables, 0/2197 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 2 (OVERLAPS) 507/2704 variables, 507/2704 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/2704 variables, 507/3211 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2704 variables, 0/3211 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2197/4901 variables, 2704/5915 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4901 variables, 0/5915 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4901 variables, 0/5915 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4901/4901 variables, and 5915 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5012 ms.
Refiners :[Domain max(s): 2704/2704 constraints, Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 2704/2704 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 2197/2197 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2197 variables, 0/2197 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2704/4901 variables, and 2704 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1231 ms.
Refiners :[Domain max(s): 2197/2704 constraints, Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 0/2704 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 6902ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 55 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 2704/2704 places, 2197/2197 transitions.
RANDOM walk for 40000 steps (268 resets) in 7741 ms. (5 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1946 ms. (20 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 120108 steps, run timeout after 6012 ms. (steps per millisecond=19 ) properties seen :0 out of 1
Probabilistic random walk after 120108 steps, saw 120017 distinct states, run finished after 6021 ms. (steps per millisecond=19 ) properties seen :0
[2024-06-01 20:44:17] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 2197/2197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2197 variables, 0/2197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 507/2704 variables, 507/2704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2704 variables, 507/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2704 variables, 0/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2197/4901 variables, 2704/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4901 variables, 0/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4901 variables, 0/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4901/4901 variables, and 5915 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2058 ms.
Refiners :[Domain max(s): 2704/2704 constraints, Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 2704/2704 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 2197/2197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2197 variables, 0/2197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 507/2704 variables, 507/2704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2704 variables, 507/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2704 variables, 0/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4901/4901 variables, and 5915 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9084 ms.
Refiners :[Domain max(s): 2704/2704 constraints, Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 2704/2704 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 11371ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 156 steps, including 0 resets, run visited all 1 properties in 18 ms. (steps per millisecond=8 )
Parikh walk visited 1 properties in 25 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[155] Max Struct:[2197]
Starting property specific reduction for Sudoku-PT-AN13-UpperBounds-03
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0] Max Struct:[2197]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[2197]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[2197]
[2024-06-01 20:44:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[2197]
RANDOM walk for 10000 steps (67 resets) in 1775 ms. (5 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 507 ms. (19 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[152] Max Struct:[2197]
[2024-06-01 20:44:31] [INFO ] Invariant cache hit.
[2024-06-01 20:44:32] [INFO ] [Real]Absence check using 507 positive place invariants in 459 ms returned sat
[2024-06-01 20:44:34] [INFO ] [Real]Absence check using state equation in 1813 ms returned sat
[2024-06-01 20:44:34] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 82 ms.
[2024-06-01 20:44:34] [INFO ] Added : 0 causal constraints over 0 iterations in 290 ms. Result :sat
Minimization took 559 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[152] Max Struct:[2197]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[152] Max Struct:[2197]
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 67 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 20:44:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[152] Max Struct:[2197]
RANDOM walk for 173010 steps (1166 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 104800 steps (1 resets) in 5048 ms. (20 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[154] Max Struct:[2197]
[2024-06-01 20:45:10] [INFO ] Invariant cache hit.
[2024-06-01 20:45:12] [INFO ] [Real]Absence check using 507 positive place invariants in 1281 ms returned sat
[2024-06-01 20:45:16] [INFO ] [Real]Absence check using state equation in 4152 ms returned sat
[2024-06-01 20:45:16] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 120 ms.
[2024-06-01 20:45:16] [INFO ] Added : 0 causal constraints over 0 iterations in 340 ms. Result :sat
Minimization took 5405 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[154] Max Struct:[2197]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[154] Max Struct:[2197]
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 36 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 2704/2704 places, 2197/2197 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 30 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 20:45:22] [INFO ] Invariant cache hit.
[2024-06-01 20:45:27] [INFO ] Implicit Places using invariants in 4971 ms returned []
[2024-06-01 20:45:27] [INFO ] Invariant cache hit.
[2024-06-01 20:45:33] [INFO ] Implicit Places using invariants and state equation in 5948 ms returned []
Implicit Place search using SMT with State Equation took 10933 ms to find 0 implicit places.
[2024-06-01 20:45:33] [INFO ] Redundant transitions in 47 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11018 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 20:45:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[154] Max Struct:[2197]
RANDOM walk for 168384 steps (1135 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 101619 steps (1 resets) in 5003 ms. (20 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[156] Max Struct:[2197]
[2024-06-01 20:46:08] [INFO ] Invariant cache hit.
[2024-06-01 20:46:09] [INFO ] [Real]Absence check using 507 positive place invariants in 862 ms returned sat
[2024-06-01 20:46:16] [INFO ] [Real]Absence check using state equation in 6966 ms returned sat
[2024-06-01 20:46:17] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 94 ms.
[2024-06-01 20:46:17] [INFO ] Added : 0 causal constraints over 0 iterations in 275 ms. Result :sat
Minimization took 5478 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[156] Max Struct:[2197]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[156] Max Struct:[2197]
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 37 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 2704/2704 places, 2197/2197 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 36 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 20:46:22] [INFO ] Invariant cache hit.
[2024-06-01 20:46:27] [INFO ] Implicit Places using invariants in 5004 ms returned []
[2024-06-01 20:46:27] [INFO ] Invariant cache hit.
[2024-06-01 20:46:34] [INFO ] Implicit Places using invariants and state equation in 6517 ms returned []
Implicit Place search using SMT with State Equation took 11523 ms to find 0 implicit places.
[2024-06-01 20:46:34] [INFO ] Redundant transitions in 44 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11619 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 20:46:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[156] Max Struct:[2197]
RANDOM walk for 171591 steps (1156 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 101859 steps (1 resets) in 5049 ms. (20 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[156] Max Struct:[2197]
[2024-06-01 20:47:09] [INFO ] Invariant cache hit.
[2024-06-01 20:47:10] [INFO ] [Real]Absence check using 507 positive place invariants in 963 ms returned sat
[2024-06-01 20:47:17] [INFO ] [Real]Absence check using state equation in 6943 ms returned sat
[2024-06-01 20:47:18] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 98 ms.
[2024-06-01 20:47:18] [INFO ] Added : 0 causal constraints over 0 iterations in 287 ms. Result :sat
Minimization took 6817 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[156] Max Struct:[2197]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[156] Max Struct:[2197]
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 38 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 2704/2704 places, 2197/2197 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 41 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 20:47:25] [INFO ] Invariant cache hit.
[2024-06-01 20:47:30] [INFO ] Implicit Places using invariants in 5179 ms returned []
[2024-06-01 20:47:30] [INFO ] Invariant cache hit.
[2024-06-01 20:47:36] [INFO ] Implicit Places using invariants and state equation in 6204 ms returned []
Implicit Place search using SMT with State Equation took 11395 ms to find 0 implicit places.
[2024-06-01 20:47:36] [INFO ] Redundant transitions in 59 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11502 ms. Remains : 2704/2704 places, 2197/2197 transitions.
RANDOM walk for 40000 steps (268 resets) in 9248 ms. (4 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2064 ms. (19 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2040 ms. (19 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 131330 steps, run timeout after 9027 ms. (steps per millisecond=14 ) properties seen :0 out of 2
Probabilistic random walk after 131330 steps, saw 131233 distinct states, run finished after 9028 ms. (steps per millisecond=14 ) properties seen :0
[2024-06-01 20:47:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 2197/2197 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2197 variables, 0/2197 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 2 (OVERLAPS) 507/2704 variables, 507/2704 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/2704 variables, 507/3211 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2704 variables, 0/3211 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4901/4901 variables, and 5915 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2969 ms.
Refiners :[Domain max(s): 2704/2704 constraints, Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 2704/2704 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 2197/2197 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2197 variables, 0/2197 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2704/4901 variables, and 2704 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1071 ms.
Refiners :[Domain max(s): 2197/2704 constraints, Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 0/2704 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 4414ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 2197 out of 2704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2704/2704 places, 2197/2197 transitions.
Applied a total of 0 rules in 35 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 2704/2704 places, 2197/2197 transitions.
RANDOM walk for 40000 steps (268 resets) in 8413 ms. (4 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2050 ms. (19 steps per ms) remains 1/1 properties
Probabilistic random walk after 137568 steps, saw 137468 distinct states, run finished after 6023 ms. (steps per millisecond=22 ) properties seen :0
[2024-06-01 20:48:02] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 2197/2197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2197 variables, 0/2197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 507/2704 variables, 507/2704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2704 variables, 507/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2704 variables, 0/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2197/4901 variables, 2704/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4901 variables, 0/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4901 variables, 0/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4901/4901 variables, and 5915 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2345 ms.
Refiners :[Domain max(s): 2704/2704 constraints, Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 2704/2704 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 2197/2197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2197 variables, 0/2197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 507/2704 variables, 507/2704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2704 variables, 507/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2704 variables, 0/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2197/4901 variables, 2704/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4901 variables, 0/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4901 variables, 0/5915 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4901/4901 variables, and 5915 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2291 ms.
Refiners :[Domain max(s): 2704/2704 constraints, Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 2704/2704 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 4815ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 157 steps, including 0 resets, run visited all 1 properties in 12 ms. (steps per millisecond=13 )
Parikh walk visited 1 properties in 12 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[156] Max Struct:[2197]
Ending property specific reduction for Sudoku-PT-AN13-UpperBounds-03 in 217832 ms.
[2024-06-01 20:48:07] [INFO ] Flatten gal took : 226 ms
[2024-06-01 20:48:07] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 4 ms.
[2024-06-01 20:48:07] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 2704 places, 2197 transitions and 8788 arcs took 16 ms.
Total runtime 383141 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : Sudoku-PT-AN13-UpperBounds-03

BK_STOP 1717274887854

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name Sudoku-PT-AN13-UpperBounds-03
ub formula formula --maxsum=/tmp/638/ub_0_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="Sudoku-PT-AN13"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is Sudoku-PT-AN13, 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 r536-tall-171690532900669"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Sudoku-PT-AN13.tgz
mv Sudoku-PT-AN13 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;