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.r530-tall-171683779300432.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 ShieldPPPt-PT-100A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r530-tall-171683779300432
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K May 19 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 19 16:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 23 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 11 14:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Apr 11 14:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Apr 11 14:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Apr 11 14:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 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 685K 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 booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1717226358145

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldPPPt-PT-100A
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 07:19:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 07:19:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 07:19:19] [INFO ] Load time of PNML (sax parser for PT used): 184 ms
[2024-06-01 07:19:19] [INFO ] Transformed 2503 places.
[2024-06-01 07:19:19] [INFO ] Transformed 1803 transitions.
[2024-06-01 07:19:19] [INFO ] Found NUPN structural information;
[2024-06-01 07:19:19] [INFO ] Parsed PT model containing 2503 places and 1803 transitions and 7206 arcs in 389 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2503/2503 places, 1803/1803 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2503 transition count 1802
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 21 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 5 place count 2501 transition count 1800
Applied a total of 5 rules in 141 ms. Remains 2501 /2503 variables (removed 2) and now considering 1800/1803 (removed 3) transitions.
// Phase 1: matrix 1800 rows 2501 cols
[2024-06-01 07:19:19] [INFO ] Computed 1101 invariants in 33 ms
[2024-06-01 07:19:21] [INFO ] Implicit Places using invariants in 1858 ms returned [2494]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1896 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 2500/2503 places, 1800/1803 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 2500 transition count 1798
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 2498 transition count 1798
Applied a total of 4 rules in 65 ms. Remains 2498 /2500 variables (removed 2) and now considering 1798/1800 (removed 2) transitions.
// Phase 1: matrix 1798 rows 2498 cols
[2024-06-01 07:19:21] [INFO ] Computed 1100 invariants in 11 ms
[2024-06-01 07:19:23] [INFO ] Implicit Places using invariants in 1593 ms returned [2481, 2485]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1597 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 2496/2503 places, 1798/1803 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 2494 transition count 1796
Applied a total of 4 rules in 45 ms. Remains 2494 /2496 variables (removed 2) and now considering 1796/1798 (removed 2) transitions.
// Phase 1: matrix 1796 rows 2494 cols
[2024-06-01 07:19:23] [INFO ] Computed 1098 invariants in 15 ms
[2024-06-01 07:19:24] [INFO ] Implicit Places using invariants in 1549 ms returned []
[2024-06-01 07:19:24] [INFO ] Invariant cache hit.
[2024-06-01 07:19:27] [INFO ] Implicit Places using invariants and state equation in 2917 ms returned []
Implicit Place search using SMT with State Equation took 4470 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 2494/2503 places, 1796/1803 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 8232 ms. Remains : 2494/2503 places, 1796/1803 transitions.
Discarding 399 transitions out of 1796. Remains 1397
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 7057 ms. (5 steps per ms) remains 1235/1396 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 23 ms. (5 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 19 ms. (6 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 17 ms. (6 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 30 ms. (4 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 121 steps (8 resets) in 20 ms. (5 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1235/1235 properties
[2024-06-01 07:19:30] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2208 variables, 2208/2208 constraints. Problems are: Problem set: 0 solved, 1235 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2208/4290 variables, and 2208 constraints, problems are : Problem set: 0 solved, 1235 unsolved in 5055 ms.
Refiners :[Domain max(s): 2208/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, PredecessorRefiner: 1235/1235 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1235 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2208 variables, 2208/2208 constraints. Problems are: Problem set: 0 solved, 1235 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2208/4290 variables, and 2208 constraints, problems are : Problem set: 0 solved, 1235 unsolved in 5026 ms.
Refiners :[Domain max(s): 2208/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, PredecessorRefiner: 0/1235 constraints, Known Traps: 0/0 constraints]
After SMT, in 10987ms problems are : Problem set: 0 solved, 1235 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2208 out of 2494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 1796/1796 transitions.
Partial Free-agglomeration rule applied 44 times.
Drop transitions (Partial Free agglomeration) removed 44 transitions
Iterating global reduction 0 with 44 rules applied. Total rules applied 44 place count 2494 transition count 1796
Applied a total of 44 rules in 116 ms. Remains 2494 /2494 variables (removed 0) and now considering 1796/1796 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116 ms. Remains : 2494/2494 places, 1796/1796 transitions.
RANDOM walk for 956960 steps (0 resets) in 120004 ms. (7 steps per ms) remains 1047/1235 properties
BEST_FIRST walk for 4003 steps (8 resets) in 116 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 114 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 118 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4002 steps (8 resets) in 129 ms. (30 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 115 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 112 ms. (35 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4002 steps (8 resets) in 124 ms. (32 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 118 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 114 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 115 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 119 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 117 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 125 ms. (31 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 119 ms. (33 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 116 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 124 ms. (32 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4003 steps (8 resets) in 115 ms. (34 steps per ms) remains 1047/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1047/1047 properties
// Phase 1: matrix 1796 rows 2494 cols
[2024-06-01 07:20:12] [INFO ] Computed 1098 invariants in 9 ms
[2024-06-01 07:20:12] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1873 variables, 1873/1873 constraints. Problems are: Problem set: 0 solved, 1047 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1873/4290 variables, and 1873 constraints, problems are : Problem set: 0 solved, 1047 unsolved in 45022 ms.
Refiners :[Domain max(s): 1873/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/13 constraints, PredecessorRefiner: 1047/1047 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1047 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1873 variables, 1873/1873 constraints. Problems are: Problem set: 0 solved, 1047 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1873 variables, 0/1873 constraints. Problems are: Problem set: 0 solved, 1047 unsolved
At refinement iteration 2 (OVERLAPS) 13/1886 variables, 830/2703 constraints. Problems are: Problem set: 0 solved, 1047 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1886 variables, 13/2716 constraints. Problems are: Problem set: 0 solved, 1047 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1886/4290 variables, and 2716 constraints, problems are : Problem set: 0 solved, 1047 unsolved in 45021 ms.
Refiners :[Domain max(s): 1886/2494 constraints, Positive P Invariants (semi-flows): 830/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/13 constraints, PredecessorRefiner: 0/1047 constraints, Known Traps: 0/0 constraints]
After SMT, in 90690ms problems are : Problem set: 0 solved, 1047 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1873 out of 2494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 1796/1796 transitions.
Partial Free-agglomeration rule applied 53 times.
Drop transitions (Partial Free agglomeration) removed 53 transitions
Iterating global reduction 0 with 53 rules applied. Total rules applied 53 place count 2494 transition count 1796
Applied a total of 53 rules in 91 ms. Remains 2494 /2494 variables (removed 0) and now considering 1796/1796 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 91 ms. Remains : 2494/2494 places, 1796/1796 transitions.
RANDOM walk for 1070145 steps (0 resets) in 120004 ms. (8 steps per ms) remains 916/1047 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 144 ms. (27 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 122 ms. (32 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4002 steps (8 resets) in 137 ms. (29 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4002 steps (8 resets) in 112 ms. (35 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 160 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 148 ms. (26 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 153 ms. (26 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 159 ms. (25 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 136 ms. (29 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 177 ms. (22 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 139 ms. (28 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 158 ms. (25 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 165 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 118 ms. (33 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 156 ms. (25 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 153 ms. (26 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 196 ms. (20 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4002 steps (8 resets) in 181 ms. (21 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 176 ms. (22 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 156 ms. (25 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 166 ms. (23 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 171 ms. (23 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 163 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4002 steps (8 resets) in 162 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 165 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 180 ms. (22 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 155 ms. (25 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 170 ms. (23 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 179 ms. (22 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 154 ms. (25 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 169 ms. (23 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 169 ms. (23 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 144 ms. (27 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 126 ms. (31 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 136 ms. (29 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4003 steps (8 resets) in 147 ms. (27 steps per ms) remains 916/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 916/916 properties
// Phase 1: matrix 1796 rows 2494 cols
[2024-06-01 07:22:16] [INFO ] Computed 1098 invariants in 7 ms
[2024-06-01 07:22:16] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1639 variables, 1639/1639 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1639 variables, 0/1639 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 2 (OVERLAPS) 16/1655 variables, 728/2367 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1655 variables, 16/2383 constraints. Problems are: Problem set: 0 solved, 916 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1655/4290 variables, and 2383 constraints, problems are : Problem set: 0 solved, 916 unsolved in 75022 ms.
Refiners :[Domain max(s): 1655/2494 constraints, Positive P Invariants (semi-flows): 728/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/25 constraints, PredecessorRefiner: 916/916 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 916 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1639 variables, 1639/1639 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1639 variables, 0/1639 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 2 (OVERLAPS) 16/1655 variables, 728/2367 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1655 variables, 16/2383 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1655 variables, 0/2383 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 5 (OVERLAPS) 839/2494 variables, 370/2753 constraints. Problems are: Problem set: 0 solved, 916 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2494 variables, 839/3592 constraints. Problems are: Problem set: 0 solved, 916 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2494/4290 variables, and 3592 constraints, problems are : Problem set: 0 solved, 916 unsolved in 75024 ms.
Refiners :[Domain max(s): 2494/2494 constraints, Positive P Invariants (semi-flows): 1098/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/25 constraints, PredecessorRefiner: 0/916 constraints, Known Traps: 0/0 constraints]
After SMT, in 150507ms problems are : Problem set: 0 solved, 916 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1639 out of 2494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 1796/1796 transitions.
Partial Free-agglomeration rule applied 38 times.
Drop transitions (Partial Free agglomeration) removed 38 transitions
Iterating global reduction 0 with 38 rules applied. Total rules applied 38 place count 2494 transition count 1796
Applied a total of 38 rules in 77 ms. Remains 2494 /2494 variables (removed 0) and now considering 1796/1796 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 2494/2494 places, 1796/1796 transitions.
RANDOM walk for 1152070 steps (0 resets) in 120004 ms. (9 steps per ms) remains 907/916 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 103 ms. (38 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 104 ms. (38 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 104 ms. (38 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 107 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4002 steps (8 resets) in 108 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 116 ms. (34 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 112 ms. (35 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 116 ms. (34 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 104 ms. (38 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 114 ms. (34 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4002 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 113 ms. (35 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4002 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 99 ms. (40 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 109 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4002 steps (8 resets) in 104 ms. (38 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 108 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 109 ms. (36 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 100 ms. (39 steps per ms) remains 907/907 properties
BEST_FIRST walk for 4003 steps (8 resets) in 105 ms. (37 steps per ms) remains 907/907 properties
Finished probabilistic random walk after 690581 steps, run visited all 907 properties in 51264 ms. (steps per millisecond=13 )
Probabilistic random walk after 690581 steps, saw 675270 distinct states, run finished after 51280 ms. (steps per millisecond=13 ) properties seen :907
Able to resolve query QuasiLiveness after proving 1397 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 410121 ms.
ITS solved all properties within timeout

BK_STOP 1717226769433

--------------------
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 QuasiLiveness -timeout 180 -rebuildPNML

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="ShieldPPPt-PT-100A"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 ShieldPPPt-PT-100A, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r530-tall-171683779300432"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-100A.tgz
mv ShieldPPPt-PT-100A execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;