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-171690532500509.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-AN13, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r536-tall-171690532500509
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 432K
-rw-r--r-- 1 mcc users 6.1K Apr 12 11:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Apr 12 11:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Apr 12 10:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Apr 12 10:13 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Apr 23 08:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 23 08:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 23 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 23 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 12 12:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K Apr 12 12:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Apr 12 11:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K Apr 12 11:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 08:00 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 6.5K 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-AN13-UpperBounds-00
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-01
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-02
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-03
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-04
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-05
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-06
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-07
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-08
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-09
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-10
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-11
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-12
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-13
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-14
FORMULA_NAME Sudoku-COL-AN13-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717263282007

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-AN13
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 17:34:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 17:34:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 17:34:43] [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 17:34:43] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 17:34:43] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 532 ms
[2024-06-01 17:34:43] [INFO ] Imported 4 HL places and 1 HL transitions for a total of 2704 PT places and 2197.0 transition bindings in 13 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Reduction of identical properties reduced properties to check from 16 to 4
[2024-06-01 17:34:43] [INFO ] Built PT skeleton of HLPN with 4 places and 1 transitions 4 arcs in 4 ms.
[2024-06-01 17:34:43] [INFO ] Skeletonized 4 HLPN properties in 0 ms.
// Phase 1: matrix 1 rows 4 cols
[2024-06-01 17:34:43] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[169, 169, 169, 0] Max Struct:[169, 169, 169, 169]
FORMULA Sudoku-COL-AN13-UpperBounds-08 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-10 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-11 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-12 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-02 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-04 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-07 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-09 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-01 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-05 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-15 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA Sudoku-COL-AN13-UpperBounds-00 169 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2024-06-01 17:34:43] [INFO ] Invariant cache hit.
[2024-06-01 17:34:44] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-06-01 17:34:44] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-06-01 17:34:44] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 17:34:44] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0] Max Struct:[169]
Domain [N(13), N(13)] of place Rows breaks symmetries in sort N
[2024-06-01 17:34:44] [INFO ] Unfolded HLPN to a Petri net with 2704 places and 2197 transitions 8788 arcs in 64 ms.
[2024-06-01 17:34:44] [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:[169]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[169]
// Phase 1: matrix 2197 rows 2704 cols
[2024-06-01 17:34:44] [INFO ] Computed 507 invariants in 49 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[169]
RANDOM walk for 10000 steps (67 resets) in 1866 ms. (5 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 466 ms. (21 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[152] Max Struct:[169]
[2024-06-01 17:34:46] [INFO ] Invariant cache hit.
[2024-06-01 17:34:47] [INFO ] [Real]Absence check using 507 positive place invariants in 615 ms returned sat
[2024-06-01 17:34:51] [INFO ] [Real]Absence check using state equation in 3364 ms returned sat
[2024-06-01 17:34:51] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 93 ms.
[2024-06-01 17:34:51] [INFO ] Added : 0 causal constraints over 0 iterations in 329 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[152] Max Struct:[169]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[153] Max Struct:[169]
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 182 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 191 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 17:34:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[153] Max Struct:[169]
RANDOM walk for 166021 steps (1119 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 108388 steps (1 resets) in 5014 ms. (21 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[156] Max Struct:[169]
[2024-06-01 17:35:27] [INFO ] Invariant cache hit.
[2024-06-01 17:35:29] [INFO ] [Real]Absence check using 507 positive place invariants in 758 ms returned sat
[2024-06-01 17:35:31] [INFO ] [Real]Absence check using state equation in 2573 ms returned sat
[2024-06-01 17:35:31] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 89 ms.
[2024-06-01 17:35:32] [INFO ] Added : 0 causal constraints over 0 iterations in 297 ms. Result :sat
Minimization took 5435 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[156] Max Struct:[169]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[156] Max Struct:[169]
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 81 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 81 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 45 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 17:35:37] [INFO ] Invariant cache hit.
[2024-06-01 17:35:39] [INFO ] Implicit Places using invariants in 1420 ms returned []
[2024-06-01 17:35:39] [INFO ] Invariant cache hit.
[2024-06-01 17:35:42] [INFO ] Implicit Places using invariants and state equation in 3159 ms returned []
Implicit Place search using SMT with State Equation took 4589 ms to find 0 implicit places.
[2024-06-01 17:35:42] [INFO ] Redundant transitions in 104 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 2ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4756 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 17:35:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[156] Max Struct:[169]
RANDOM walk for 165699 steps (1118 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 111019 steps (1 resets) in 5038 ms. (22 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[156] Max Struct:[169]
[2024-06-01 17:36:17] [INFO ] Invariant cache hit.
[2024-06-01 17:36:18] [INFO ] [Real]Absence check using 507 positive place invariants in 733 ms returned sat
[2024-06-01 17:36:21] [INFO ] [Real]Absence check using state equation in 2557 ms returned sat
[2024-06-01 17:36:21] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 81 ms.
[2024-06-01 17:36:21] [INFO ] Added : 0 causal constraints over 0 iterations in 285 ms. Result :sat
Minimization took 5336 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[156] Max Struct:[169]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[156] Max Struct:[169]
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 51 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 52 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 39 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 17:36:27] [INFO ] Invariant cache hit.
[2024-06-01 17:36:28] [INFO ] Implicit Places using invariants in 1375 ms returned []
[2024-06-01 17:36:28] [INFO ] Invariant cache hit.
[2024-06-01 17:36:31] [INFO ] Implicit Places using invariants and state equation in 2934 ms returned []
Implicit Place search using SMT with State Equation took 4313 ms to find 0 implicit places.
[2024-06-01 17:36:31] [INFO ] Redundant transitions in 107 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 4470 ms. Remains : 2704/2704 places, 2197/2197 transitions.
RANDOM walk for 40000 steps (268 resets) in 10249 ms. (3 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2380 ms. (16 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2721 ms. (14 steps per ms) remains 2/2 properties
Probabilistic random walk after 179006 steps, saw 178875 distinct states, run finished after 12062 ms. (steps per millisecond=14 ) properties seen :0
[2024-06-01 17:36:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 507/2704 variables, 507/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2704 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4901/4901 variables, and 3211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2931 ms.
Refiners :[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: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 507/2704 variables, 507/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2704 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4901/4901 variables, and 3211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3344 ms.
Refiners :[Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 2704/2704 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 7018ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 1 properties in 1205 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 43 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 44 ms. Remains : 2704/2704 places, 2197/2197 transitions.
RANDOM walk for 40000 steps (268 resets) in 7591 ms. (5 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2121 ms. (18 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 120108 steps, run timeout after 6003 ms. (steps per millisecond=20 ) properties seen :0 out of 1
Probabilistic random walk after 120108 steps, saw 120017 distinct states, run finished after 6007 ms. (steps per millisecond=19 ) properties seen :0
[2024-06-01 17:37:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 507/2704 variables, 507/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2704 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2197/4901 variables, 2704/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4901 variables, 0/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4901/4901 variables, and 3211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 45034 ms.
Refiners :[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, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2704/4901 variables, and 507 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9380 ms.
Refiners :[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 54576ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
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 33 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 34 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 31 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 17:37:59] [INFO ] Invariant cache hit.
[2024-06-01 17:38:00] [INFO ] Implicit Places using invariants in 1378 ms returned []
[2024-06-01 17:38:00] [INFO ] Invariant cache hit.
[2024-06-01 17:38:03] [INFO ] Implicit Places using invariants and state equation in 2930 ms returned []
Implicit Place search using SMT with State Equation took 4310 ms to find 0 implicit places.
[2024-06-01 17:38:03] [INFO ] Redundant transitions in 49 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 4399 ms. Remains : 2704/2704 places, 2197/2197 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[156] Max Struct:[169]
Starting property specific reduction for Sudoku-COL-AN13-UpperBounds-03
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:[169]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[169]
[2024-06-01 17:38:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[169]
RANDOM walk for 10000 steps (67 resets) in 1778 ms. (5 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 409 ms. (24 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[153] Max Struct:[169]
[2024-06-01 17:38:05] [INFO ] Invariant cache hit.
[2024-06-01 17:38:06] [INFO ] [Real]Absence check using 507 positive place invariants in 880 ms returned sat
[2024-06-01 17:38:09] [INFO ] [Real]Absence check using state equation in 2823 ms returned sat
[2024-06-01 17:38:10] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 93 ms.
[2024-06-01 17:38:10] [INFO ] Added : 0 causal constraints over 0 iterations in 280 ms. Result :sat
Minimization took 519 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[153] Max Struct:[169]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[153] Max Struct:[169]
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 41 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 43 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 17:38:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[153] Max Struct:[169]
RANDOM walk for 172121 steps (1160 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 123657 steps (1 resets) in 5001 ms. (24 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[155] Max Struct:[169]
[2024-06-01 17:38:45] [INFO ] Invariant cache hit.
[2024-06-01 17:38:47] [INFO ] [Real]Absence check using 507 positive place invariants in 1613 ms returned sat
[2024-06-01 17:38:57] [INFO ] [Real]Absence check using state equation in 9242 ms returned sat
[2024-06-01 17:38:57] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 85 ms.
[2024-06-01 17:38:57] [INFO ] Added : 0 causal constraints over 0 iterations in 271 ms. Result :sat
Minimization took 5334 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[155] Max Struct:[169]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[155] Max Struct:[169]
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 33 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 34 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 29 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 17:39:02] [INFO ] Invariant cache hit.
[2024-06-01 17:39:04] [INFO ] Implicit Places using invariants in 1291 ms returned []
[2024-06-01 17:39:04] [INFO ] Invariant cache hit.
[2024-06-01 17:39:07] [INFO ] Implicit Places using invariants and state equation in 3048 ms returned []
Implicit Place search using SMT with State Equation took 4350 ms to find 0 implicit places.
[2024-06-01 17:39:07] [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 4432 ms. Remains : 2704/2704 places, 2197/2197 transitions.
[2024-06-01 17:39:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[155] Max Struct:[169]
RANDOM walk for 169308 steps (1141 resets) in 30001 ms. (5 steps per ms)
BEST_FIRST walk for 126178 steps (1 resets) in 5012 ms. (25 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[155] Max Struct:[169]
[2024-06-01 17:39:42] [INFO ] Invariant cache hit.
[2024-06-01 17:39:44] [INFO ] [Real]Absence check using 507 positive place invariants in 1591 ms returned sat
[2024-06-01 17:39:53] [INFO ] [Real]Absence check using state equation in 9270 ms returned sat
[2024-06-01 17:39:53] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 0 transitions) in 87 ms.
[2024-06-01 17:39:53] [INFO ] Added : 0 causal constraints over 0 iterations in 272 ms. Result :sat
Minimization took 5191 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[155] Max Struct:[169]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[155] Max Struct:[169]
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 39 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 27 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 17:39:59] [INFO ] Invariant cache hit.
[2024-06-01 17:40:00] [INFO ] Implicit Places using invariants in 1313 ms returned []
[2024-06-01 17:40:00] [INFO ] Invariant cache hit.
[2024-06-01 17:40:03] [INFO ] Implicit Places using invariants and state equation in 3138 ms returned []
Implicit Place search using SMT with State Equation took 4457 ms to find 0 implicit places.
[2024-06-01 17:40:03] [INFO ] Redundant transitions in 48 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 4542 ms. Remains : 2704/2704 places, 2197/2197 transitions.
RANDOM walk for 40000 steps (268 resets) in 9154 ms. (4 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2049 ms. (19 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2317 ms. (17 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 127686 steps, run timeout after 9040 ms. (steps per millisecond=14 ) properties seen :0 out of 2
Probabilistic random walk after 127686 steps, saw 127591 distinct states, run finished after 9041 ms. (steps per millisecond=14 ) properties seen :0
[2024-06-01 17:40:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 507/2704 variables, 507/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2704 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4901/4901 variables, and 3211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2881 ms.
Refiners :[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: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 507/2704 variables, 507/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2704 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4901/4901 variables, and 3211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3011 ms.
Refiners :[Positive P Invariants (semi-flows): 507/507 constraints, State Equation: 2704/2704 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 6209ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 1 properties in 1190 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 30 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 31 ms. Remains : 2704/2704 places, 2197/2197 transitions.
RANDOM walk for 40000 steps (268 resets) in 7379 ms. (5 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2092 ms. (19 steps per ms) remains 1/1 properties
Probabilistic random walk after 124926 steps, saw 124834 distinct states, run finished after 6023 ms. (steps per millisecond=20 ) properties seen :0
[2024-06-01 17:40:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2197 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 507/2704 variables, 507/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2704 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2197/4901 variables, 2704/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4901 variables, 0/3211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4901/4901 variables, and 3211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 45035 ms.
Refiners :[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, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2704/4901 variables, and 507 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9449 ms.
Refiners :[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 54691ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
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 31 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 31 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 29 ms. Remains 2704 /2704 variables (removed 0) and now considering 2197/2197 (removed 0) transitions.
[2024-06-01 17:41:26] [INFO ] Invariant cache hit.
[2024-06-01 17:41:28] [INFO ] Implicit Places using invariants in 1484 ms returned []
[2024-06-01 17:41:28] [INFO ] Invariant cache hit.
[2024-06-01 17:41:31] [INFO ] Implicit Places using invariants and state equation in 3020 ms returned []
Implicit Place search using SMT with State Equation took 4506 ms to find 0 implicit places.
[2024-06-01 17:41:31] [INFO ] Redundant transitions in 48 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 4589 ms. Remains : 2704/2704 places, 2197/2197 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[155] Max Struct:[169]
Ending property specific reduction for Sudoku-COL-AN13-UpperBounds-03 in 207791 ms.
[2024-06-01 17:41:31] [INFO ] Flatten gal took : 256 ms
[2024-06-01 17:41:31] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 5 ms.
[2024-06-01 17:41:31] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 2704 places, 2197 transitions and 8788 arcs took 14 ms.
Total runtime 408637 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-AN13-UpperBounds-03

BK_STOP 1717263692036

--------------------
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-AN13-UpperBounds-03
ub formula formula --maxsum=/tmp/701/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-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-COL-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-171690532500509"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Sudoku-COL-AN13.tgz
mv Sudoku-COL-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 ;