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-171690532600565.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-COL-BN16, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r536-tall-171690532600565
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 832K
-rw-r--r-- 1 mcc users 7.6K Apr 12 13:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Apr 12 13:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Apr 12 11:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Apr 12 11:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Apr 23 08:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 23 08:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 23 08:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 08:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.2K Apr 12 14:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 65K Apr 12 14:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Apr 12 13:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 12 13:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 08:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 08:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 446K 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-COL-BN16-UpperBounds-00
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-01
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-02
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-03
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-04
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-05
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-06
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-07
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-08
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-09
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-10
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-11
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-12
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-13
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-14
FORMULA_NAME Sudoku-COL-BN16-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717267598157

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Sudoku-COL-BN16
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 18:46:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 18:46:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 18:46:39] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-06-01 18:46:39] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 18:46:40] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 795 ms
[2024-06-01 18:46:40] [INFO ] Imported 5 HL places and 1 HL transitions for a total of 5120 PT places and 65536.0 transition bindings in 25 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Reduction of identical properties reduced properties to check from 16 to 5
[2024-06-01 18:46:40] [INFO ] Built PT skeleton of HLPN with 5 places and 1 transitions 5 arcs in 4 ms.
[2024-06-01 18:46:40] [INFO ] Skeletonized 5 HLPN properties in 0 ms.
// Phase 1: matrix 1 rows 5 cols
[2024-06-01 18:46:40] [INFO ] Computed 4 invariants in 3 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[256, 256, 256, 256, 0] Max Struct:[256, 256, 256, 256, 256]
FORMULA Sudoku-COL-BN16-UpperBounds-13 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-04 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-05 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-06 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-10 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-02 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-03 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-08 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-12 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-14 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-01 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-07 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-09 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-11 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-BN16-UpperBounds-00 256 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2024-06-01 18:46:40] [INFO ] Invariant cache hit.
[2024-06-01 18:46:40] [INFO ] [Real]Absence check using 4 positive place invariants in 6 ms returned sat
[2024-06-01 18:46:40] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-06-01 18:46:40] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 18:46:40] [INFO ] Added : 0 causal constraints over 0 iterations in 13 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0] Max Struct:[256]
Domain [N(16), N(16)] of place Rows breaks symmetries in sort N
[2024-06-01 18:46:40] [INFO ] Unfolded HLPN to a Petri net with 5120 places and 4096 transitions 20480 arcs in 143 ms.
[2024-06-01 18:46:40] [INFO ] Unfolded 1 HLPN properties in 1 ms.
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:[256]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[256]
// Phase 1: matrix 4096 rows 5120 cols
[2024-06-01 18:46:40] [INFO ] Computed 1024 invariants in 75 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[256]
RANDOM walk for 10000 steps (47 resets) in 4276 ms. (2 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 1123 ms. (8 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[221] Max Struct:[256]
[2024-06-01 18:46:46] [INFO ] Invariant cache hit.
[2024-06-01 18:46:48] [INFO ] [Real]Absence check using 1024 positive place invariants in 1296 ms returned sat
[2024-06-01 18:46:51] [INFO ] [Real]Absence check using state equation in 3109 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[221] Max Struct:[256]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[221] Max Struct:[256]
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 349 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 364 ms. Remains : 5120/5120 places, 4096/4096 transitions.
[2024-06-01 18:46:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[221] Max Struct:[256]
RANDOM walk for 70799 steps (335 resets) in 30001 ms. (2 steps per ms)
BEST_FIRST walk for 52154 steps (0 resets) in 5013 ms. (10 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[221] Max Struct:[256]
[2024-06-01 18:47:26] [INFO ] Invariant cache hit.
[2024-06-01 18:47:29] [INFO ] [Real]Absence check using 1024 positive place invariants in 2435 ms returned sat
[2024-06-01 18:47:55] [INFO ] [Real]Absence check using state equation in 25858 ms returned sat
[2024-06-01 18:47:56] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 189 ms.
[2024-06-01 18:47:56] [INFO ] Added : 0 causal constraints over 0 iterations in 588 ms. Result :sat
Minimization took 4772 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[221] Max Struct:[256]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[221] Max Struct:[256]
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 123 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 123 ms. Remains : 5120/5120 places, 4096/4096 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 263 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
[2024-06-01 18:48:01] [INFO ] Invariant cache hit.
[2024-06-01 18:48:09] [INFO ] Implicit Places using invariants in 7528 ms returned []
[2024-06-01 18:48:09] [INFO ] Invariant cache hit.
[2024-06-01 18:48:25] [INFO ] Implicit Places using invariants and state equation in 16108 ms returned []
Implicit Place search using SMT with State Equation took 23641 ms to find 0 implicit places.
[2024-06-01 18:48:25] [INFO ] Redundant transitions in 261 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 24189 ms. Remains : 5120/5120 places, 4096/4096 transitions.
RANDOM walk for 40000 steps (188 resets) in 20813 ms. (1 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4783 ms. (8 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4436 ms. (9 steps per ms) remains 2/2 properties
Probabilistic random walk after 174557 steps, saw 174502 distinct states, run finished after 21099 ms. (steps per millisecond=8 ) properties seen :0
[2024-06-01 18:48:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4096 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5120/9216 variables, and 1024 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2696 ms.
Refiners :[Positive P Invariants (semi-flows): 1024/1024 constraints, State Equation: 0/5120 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4096 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5120/9216 variables, and 1024 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2427 ms.
Refiners :[Positive P Invariants (semi-flows): 1024/1024 constraints, State Equation: 0/5120 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 6355ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 113 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 5120/5120 places, 4096/4096 transitions.
RANDOM walk for 40000 steps (188 resets) in 20528 ms. (1 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4229 ms. (9 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4070 ms. (9 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 170020 steps, run timeout after 21049 ms. (steps per millisecond=8 ) properties seen :0 out of 2
Probabilistic random walk after 170020 steps, saw 169965 distinct states, run finished after 21052 ms. (steps per millisecond=8 ) properties seen :0
[2024-06-01 18:49:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4096 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1024/5120 variables, 1024/1024 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5120 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9216/9216 variables, and 6144 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45061 ms.
Refiners :[Positive P Invariants (semi-flows): 1024/1024 constraints, State Equation: 5120/5120 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4096 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1024/5120 variables, 1024/1024 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5120 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 9216/9216 variables, and 6144 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45056 ms.
Refiners :[Positive P Invariants (semi-flows): 1024/1024 constraints, State Equation: 5120/5120 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 90940ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 106 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 5120/5120 places, 4096/4096 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 97 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
[2024-06-01 18:51:00] [INFO ] Invariant cache hit.
[2024-06-01 18:51:07] [INFO ] Implicit Places using invariants in 6766 ms returned []
[2024-06-01 18:51:07] [INFO ] Invariant cache hit.
[2024-06-01 18:51:23] [INFO ] Implicit Places using invariants and state equation in 16294 ms returned []
Implicit Place search using SMT with State Equation took 23063 ms to find 0 implicit places.
[2024-06-01 18:51:24] [INFO ] Redundant transitions in 278 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 23455 ms. Remains : 5120/5120 places, 4096/4096 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[221] Max Struct:[256]
Starting property specific reduction for Sudoku-COL-BN16-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:[256]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[256]
[2024-06-01 18:51:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[256]
RANDOM walk for 10000 steps (47 resets) in 4385 ms. (2 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 1075 ms. (9 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[216] Max Struct:[256]
[2024-06-01 18:51:29] [INFO ] Invariant cache hit.
[2024-06-01 18:51:31] [INFO ] [Real]Absence check using 1024 positive place invariants in 1604 ms returned sat
[2024-06-01 18:51:34] [INFO ] [Real]Absence check using state equation in 2928 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[216] Max Struct:[256]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[216] Max Struct:[256]
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 105 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 5120/5120 places, 4096/4096 transitions.
[2024-06-01 18:51:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[216] Max Struct:[256]
RANDOM walk for 72980 steps (345 resets) in 30001 ms. (2 steps per ms)
BEST_FIRST walk for 51136 steps (0 resets) in 5012 ms. (10 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[221] Max Struct:[256]
[2024-06-01 18:52:09] [INFO ] Invariant cache hit.
[2024-06-01 18:52:12] [INFO ] [Real]Absence check using 1024 positive place invariants in 2465 ms returned sat
[2024-06-01 18:52:38] [INFO ] [Real]Absence check using state equation in 25524 ms returned sat
[2024-06-01 18:52:38] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 135 ms.
[2024-06-01 18:52:38] [INFO ] Added : 0 causal constraints over 0 iterations in 455 ms. Result :sat
Minimization took 4763 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[221] Max Struct:[256]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[221] Max Struct:[256]
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 97 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 5120/5120 places, 4096/4096 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 86 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
[2024-06-01 18:52:44] [INFO ] Invariant cache hit.
[2024-06-01 18:52:50] [INFO ] Implicit Places using invariants in 6486 ms returned []
[2024-06-01 18:52:50] [INFO ] Invariant cache hit.
[2024-06-01 18:53:08] [INFO ] Implicit Places using invariants and state equation in 17735 ms returned []
Implicit Place search using SMT with State Equation took 24223 ms to find 0 implicit places.
[2024-06-01 18:53:08] [INFO ] Redundant transitions in 172 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 24495 ms. Remains : 5120/5120 places, 4096/4096 transitions.
[2024-06-01 18:53:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[221] Max Struct:[256]
RANDOM walk for 69439 steps (329 resets) in 30001 ms. (2 steps per ms)
BEST_FIRST walk for 54673 steps (0 resets) in 5091 ms. (10 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[221] Max Struct:[256]
[2024-06-01 18:53:43] [INFO ] Invariant cache hit.
[2024-06-01 18:53:46] [INFO ] [Real]Absence check using 1024 positive place invariants in 2514 ms returned sat
[2024-06-01 18:54:14] [INFO ] [Real]Absence check using state equation in 28310 ms returned sat
[2024-06-01 18:54:15] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 166 ms.
[2024-06-01 18:54:15] [INFO ] Added : 0 causal constraints over 0 iterations in 496 ms. Result :sat
Minimization took 4775 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[221] Max Struct:[256]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[221] Max Struct:[256]
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 94 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 5120/5120 places, 4096/4096 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 92 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
[2024-06-01 18:54:20] [INFO ] Invariant cache hit.
[2024-06-01 18:54:27] [INFO ] Implicit Places using invariants in 7046 ms returned []
[2024-06-01 18:54:27] [INFO ] Invariant cache hit.
[2024-06-01 18:54:43] [INFO ] Implicit Places using invariants and state equation in 16116 ms returned []
Implicit Place search using SMT with State Equation took 23165 ms to find 0 implicit places.
[2024-06-01 18:54:44] [INFO ] Redundant transitions in 167 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 23436 ms. Remains : 5120/5120 places, 4096/4096 transitions.
RANDOM walk for 40000 steps (188 resets) in 20156 ms. (1 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4126 ms. (9 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4002 ms. (9 steps per ms) remains 2/2 properties
Probabilistic random walk after 188419 steps, saw 188358 distinct states, run finished after 21114 ms. (steps per millisecond=8 ) properties seen :0
[2024-06-01 18:55:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4096 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5120/9216 variables, and 1024 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2584 ms.
Refiners :[Positive P Invariants (semi-flows): 1024/1024 constraints, State Equation: 0/5120 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4096 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5120/9216 variables, and 1024 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2347 ms.
Refiners :[Positive P Invariants (semi-flows): 1024/1024 constraints, State Equation: 0/5120 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 5443ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 94 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96 ms. Remains : 5120/5120 places, 4096/4096 transitions.
RANDOM walk for 40000 steps (188 resets) in 27032 ms. (1 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5068 ms. (7 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 5121 ms. (7 steps per ms) remains 2/2 properties
Probabilistic random walk after 261747 steps, saw 261655 distinct states, run finished after 30080 ms. (steps per millisecond=8 ) properties seen :0
[2024-06-01 18:55:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4096 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1024/5120 variables, 1024/1024 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5120 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 9216/9216 variables, and 6144 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45061 ms.
Refiners :[Positive P Invariants (semi-flows): 1024/1024 constraints, State Equation: 5120/5120 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4096 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1024/5120 variables, 1024/1024 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5120 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 9216/9216 variables, and 6144 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45066 ms.
Refiners :[Positive P Invariants (semi-flows): 1024/1024 constraints, State Equation: 5120/5120 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 90920ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4096 out of 5120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 93 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 5120/5120 places, 4096/4096 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5120/5120 places, 4096/4096 transitions.
Applied a total of 0 rules in 88 ms. Remains 5120 /5120 variables (removed 0) and now considering 4096/4096 (removed 0) transitions.
[2024-06-01 18:57:30] [INFO ] Invariant cache hit.
[2024-06-01 18:57:37] [INFO ] Implicit Places using invariants in 6952 ms returned []
[2024-06-01 18:57:37] [INFO ] Invariant cache hit.
[2024-06-01 18:57:53] [INFO ] Implicit Places using invariants and state equation in 15907 ms returned []
Implicit Place search using SMT with State Equation took 22868 ms to find 0 implicit places.
[2024-06-01 18:57:53] [INFO ] Redundant transitions in 172 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 23140 ms. Remains : 5120/5120 places, 4096/4096 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[221] Max Struct:[256]
Ending property specific reduction for Sudoku-COL-BN16-UpperBounds-15 in 389033 ms.
[2024-06-01 18:57:53] [INFO ] Flatten gal took : 400 ms
[2024-06-01 18:57:53] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 5 ms.
[2024-06-01 18:57:53] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 5120 places, 4096 transitions and 20480 arcs took 24 ms.
Total runtime 674525 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-COL-BN16-UpperBounds-15

BK_STOP 1717268274002

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ 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-COL-BN16-UpperBounds-15
ub formula formula --maxsum=/tmp/636/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-COL-BN16"
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-COL-BN16, 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-171690532600565"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Sudoku-COL-BN16.tgz
mv Sudoku-COL-BN16 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 ;