About the Execution of ITS-Tools for JoinFreeModules-PT-0200
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 8387.048 | 1800000.00 | 1961063.00 | 4785.80 | [undef] | Time out reached |
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.r233-tall-171649622400039.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 itstools
Input is JoinFreeModules-PT-0200, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-171649622400039
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 14:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Apr 11 14:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Apr 11 14:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Apr 11 14:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 613K May 18 16:42 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 Liveness
=== Now, execution of the tool begins
BK_START 1716534928174
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=JoinFreeModules-PT-0200
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202405141337
[2024-05-24 07:15:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2024-05-24 07:15:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 07:15:29] [INFO ] Load time of PNML (sax parser for PT used): 190 ms
[2024-05-24 07:15:29] [INFO ] Transformed 1001 places.
[2024-05-24 07:15:29] [INFO ] Transformed 1601 transitions.
[2024-05-24 07:15:29] [INFO ] Parsed PT model containing 1001 places and 1601 transitions and 4602 arcs in 323 ms.
Discarding 800 transitions out of 1601. Remains 801
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 8 ms.24590KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 109 ms. Remains 1000 /1000 variables (removed 0) and now considering 1601/1601 (removed 0) transitions.
Running 1200 sub problems to find dead transitions.
// Phase 1: matrix 1601 rows 1000 cols
[2024-05-24 07:15:30] [INFO ] Computed 200 invariants in 27 ms
[2024-05-24 07:15:30] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
SMT process timed out in 20447ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 20485ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 20644 ms. Remains : 1000/1000 places, 1601/1601 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 46 ms. Remains 1000 /1000 variables (removed 0) and now considering 1601/1601 (removed 0) transitions.
[2024-05-24 07:15:50] [INFO ] Invariant cache hit.
[2024-05-24 07:15:50] [INFO ] Implicit Places using invariants in 174 ms returned []
[2024-05-24 07:15:50] [INFO ] Invariant cache hit.
[2024-05-24 07:15:51] [INFO ] State equation strengthened by 200 read => feed constraints.
[2024-05-24 07:15:51] [INFO ] Implicit Places using invariants and state equation in 553 ms returned []
Implicit Place search using SMT with State Equation took 732 ms to find 0 implicit places.
[2024-05-24 07:15:51] [INFO ] Redundant transitions in 75 ms returned []
Running 1200 sub problems to find dead transitions.
[2024-05-24 07:15:51] [INFO ] Invariant cache hit.
[2024-05-24 07:15:51] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (OVERLAPS) 200/1000 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 1200 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 Real declared 1000/2601 variables, and 200 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (OVERLAPS) 200/1000 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2601 variables, and 200 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 0/0 constraints]
After SMT, in 60405ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 60419ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 61284 ms. Remains : 1000/1000 places, 1601/1601 transitions.
Random walk for 1250025 steps, including 0 resets, run took 17499 ms (no deadlock found). (steps per millisecond=71 )
Interrupted Random directed walk after 779629 steps, including 0 resets, run timeout after 30005 ms. (steps per millisecond=25 )
[2024-05-24 07:17:39] [INFO ] Invariant cache hit.
[2024-05-24 07:17:39] [INFO ] [Real]Absence check using 200 positive place invariants in 1 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 1001/1001 places, 1601/1601 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1000 transition count 1601
Applied a total of 1 rules in 18 ms. Remains 1000 /1001 variables (removed 1) and now considering 1601/1601 (removed 0) transitions.
Running 1200 sub problems to find dead transitions.
[2024-05-24 07:17:39] [INFO ] Invariant cache hit.
[2024-05-24 07:17:39] [INFO ] State equation strengthened by 200 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
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(s733 timeout
4.0)
(s734 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
SMT process timed out in 20366ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 20388ms
[2024-05-24 07:18:00] [INFO ] Invariant cache hit.
[2024-05-24 07:18:00] [INFO ] Implicit Places using invariants in 159 ms returned []
[2024-05-24 07:18:00] [INFO ] Invariant cache hit.
[2024-05-24 07:18:00] [INFO ] State equation strengthened by 200 read => feed constraints.
[2024-05-24 07:18:00] [INFO ] Implicit Places using invariants and state equation in 534 ms returned []
Implicit Place search using SMT with State Equation took 694 ms to find 0 implicit places.
Running 1200 sub problems to find dead transitions.
[2024-05-24 07:18:00] [INFO ] Invariant cache hit.
[2024-05-24 07:18:00] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (OVERLAPS) 200/1000 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2601 variables, and 200 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (OVERLAPS) 200/1000 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2601 variables, and 200 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 0/0 constraints]
After SMT, in 60293ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 60303ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1000/1001 places, 1601/1601 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 81408 ms. Remains : 1000/1001 places, 1601/1601 transitions.
Discarding 800 transitions out of 1601. Remains 801
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40276 steps (8 resets) in 952 ms. (42 steps per ms) remains 500/800 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 500/500 properties
[2024-05-24 07:19:01] [INFO ] Invariant cache hit.
[2024-05-24 07:19:01] [INFO ] State equation strengthened by 200 read => feed constraints.
[2024-05-24 07:19:01] [INFO ] Flatten gal took : 264 ms
[2024-05-24 07:19:02] [INFO ] Flatten gal took : 170 ms
[2024-05-24 07:19:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13798535336351333280.gal : 32 ms
[2024-05-24 07:19:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11855234431683384727.prop : 17 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13798535336351333280.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11855234431683384727.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11855234431683384727.prop.
SDD proceeding with computation,500 properties remain. new max is 4
SDD size :1 after 8
Reachability property qltransition_1 is true.
SDD proceeding with computation,499 properties remain. new max is 4
SDD size :8 after 25
SDD proceeding with computation,499 properties remain. new max is 8
SDD size :25 after 50
SDD proceeding with computation,499 properties remain. new max is 16
SDD size :50 after 116
SDD proceeding with computation,499 properties remain. new max is 32
SDD size :116 after 314
SDD proceeding with computation,499 properties remain. new max is 64
SDD size :314 after 974
SDD proceeding with computation,499 properties remain. new max is 128
SDD size :974 after 3336
SDD proceeding with computation,499 properties remain. new max is 256
SDD size :3336 after 11038
At refinement iteration 0 (INCLUDED_ONLY) 0/500 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 499 unsolved
SMT process timed out in 5294ms, After SMT, problems are : Problem set: 1 solved, 499 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 499 out of 1000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Graph (complete) has 2400 edges and 1000 vertex of which 975 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.4 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 975 transition count 1560
Applied a total of 2 rules in 93 ms. Remains 975 /1000 variables (removed 25) and now considering 1560/1601 (removed 41) transitions.
Running 1170 sub problems to find dead transitions.
// Phase 1: matrix 1560 rows 975 cols
[2024-05-24 07:19:06] [INFO ] Computed 195 invariants in 8 ms
[2024-05-24 07:19:06] [INFO ] State equation strengthened by 195 read => feed constraints.
SDD proceeding with computation,499 properties remain. new max is 512
SDD size :11038 after 19969
SDD proceeding with computation,499 properties remain. new max is 1024
SDD size :19969 after 4.87564e+06
SDD proceeding with computation,499 properties remain. new max is 2048
SDD size :4.87564e+06 after 1.45683e+07
Reachability property qltransition_16 is true.
Reachability property qltransition_15 is true.
Reachability property qltransition_11 is true.
Reachability property qltransition_9 is true.
SDD proceeding with computation,495 properties remain. new max is 2048
SDD size :1.45683e+07 after 3.62143e+14
SDD proceeding with computation,495 properties remain. new max is 4096
SDD size :3.62143e+14 after 1.43107e+15
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
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(s106 2.0)
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(s113 4.0)
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(s116 2.0)
(s118 4.0)
(s119 5.0)
(s120 5.0)
(s121 2.0)
(s123 4.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/780 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1170 unsolved
SMT process timed out in 20303ms, After SMT, problems are : Problem set: 0 solved, 1170 unsolved
Search for dead transitions found 0 dead transitions in 20312ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20413 ms. Remains : 975/1000 places, 1560/1601 transitions.
RANDOM walk for 799961 steps (0 resets) in 17642 ms. (45 steps per ms) remains 0/495 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 801 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 1001/1001 places, 1601/1601 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1000 transition count 1601
Applied a total of 1 rules in 18 ms. Remains 1000 /1001 variables (removed 1) and now considering 1601/1601 (removed 0) transitions.
Running 1200 sub problems to find dead transitions.
// Phase 1: matrix 1601 rows 1000 cols
[2024-05-24 07:19:32] [INFO ] Computed 200 invariants in 15 ms
[2024-05-24 07:19:32] [INFO ] State equation strengthened by 200 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
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(s409 timeout
5.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
SMT process timed out in 20258ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 20268ms
[2024-05-24 07:19:52] [INFO ] Invariant cache hit.
[2024-05-24 07:19:52] [INFO ] Implicit Places using invariants in 178 ms returned []
[2024-05-24 07:19:52] [INFO ] Invariant cache hit.
[2024-05-24 07:19:53] [INFO ] State equation strengthened by 200 read => feed constraints.
[2024-05-24 07:19:53] [INFO ] Implicit Places using invariants and state equation in 525 ms returned []
Implicit Place search using SMT with State Equation took 717 ms to find 0 implicit places.
Running 1200 sub problems to find dead transitions.
[2024-05-24 07:19:53] [INFO ] Invariant cache hit.
[2024-05-24 07:19:53] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (OVERLAPS) 200/1000 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
(s1 2.0)
(s2 0.0)
(s3 4.0)
(s4 192.0)
(s5 5.0)
(s6 189.0)
(s7 0.0)
(s8 4.0)
(s9 5.0)
(s10 5.0)
(s11 189.0)
(s12 0.0)
(s13 4.0)
(s14 5.0)
(s15 5.0)
(s16 2.0)
(s17 187.0)
(s18 4.0)
(s19 5.0)
(s20 5.0)
(s21 2.0)
(s22 0.0)
(s23 4.0)
(s24 192.0)
(s25 5.0)
(s26 2.0)
(s27 0.0)
(s28 191.0)
(s29 5.0)
(s30 5.0)
(s31 2.0)
(s32 0.0)
(s33 4.0)
(s34 192.0)
(s35 timeout
5.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2601 variables, and 200 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (OVERLAPS) 200/1000 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2601 variables, and 200 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 0/0 constraints]
After SMT, in 60278ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 60293ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1000/1001 places, 1601/1601 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 81302 ms. Remains : 1000/1001 places, 1601/1601 transitions.
Discarding 800 transitions out of 1601. Remains 801
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2024-05-24 07:20:53] [INFO ] Flatten gal took : 64 ms
[2024-05-24 07:20:53] [INFO ] Flatten gal took : 61 ms
[2024-05-24 07:20:53] [INFO ] Time to serialize gal into /tmp/CTLFireability5916938608939135046.gal : 10 ms
[2024-05-24 07:20:53] [INFO ] Time to serialize properties into /tmp/CTLFireability3005415986716505966.ctl : 11 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability5916938608939135046.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3005415986716505966.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2024-05-24 07:20:56] [INFO ] Flatten gal took : 48 ms
[2024-05-24 07:20:56] [INFO ] Applying decomposition
[2024-05-24 07:20:56] [INFO ] Flatten gal took : 46 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph2581370797998898393.txt' '-o' '/tmp/graph2581370797998898393.bin' '-w' '/tmp/graph2581370797998898393.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph2581370797998898393.bin' '-l' '-1' '-v' '-w' '/tmp/graph2581370797998898393.weights' '-q' '0' '-e' '0.001'
[2024-05-24 07:20:57] [INFO ] Decomposing Gal with order
[2024-05-24 07:20:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-24 07:20:57] [INFO ] Flatten gal took : 82 ms
[2024-05-24 07:20:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 22 ms.
[2024-05-24 07:20:57] [INFO ] Time to serialize gal into /tmp/CTLFireability2605234223343534980.gal : 10 ms
[2024-05-24 07:20:57] [INFO ] Time to serialize properties into /tmp/CTLFireability9673618435924310100.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2605234223343534980.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9673618435924310100.ctl'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...262
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2024-05-24 07:21:00] [INFO ] Flatten gal took : 37 ms
[2024-05-24 07:21:00] [INFO ] Flatten gal took : 38 ms
[2024-05-24 07:21:00] [INFO ] Time to serialize gal into /tmp/CTLFireability8125647135635171436.gal : 8 ms
[2024-05-24 07:21:00] [INFO ] Time to serialize properties into /tmp/CTLFireability17191720742607935204.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8125647135635171436.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17191720742607935204.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2024-05-24 07:21:30] [INFO ] Flatten gal took : 41 ms
[2024-05-24 07:21:30] [INFO ] Applying decomposition
[2024-05-24 07:21:30] [INFO ] Flatten gal took : 33 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph862957270225451916.txt' '-o' '/tmp/graph862957270225451916.bin' '-w' '/tmp/graph862957270225451916.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph862957270225451916.bin' '-l' '-1' '-v' '-w' '/tmp/graph862957270225451916.weights' '-q' '0' '-e' '0.001'
[2024-05-24 07:21:30] [INFO ] Decomposing Gal with order
[2024-05-24 07:21:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-24 07:21:30] [INFO ] Flatten gal took : 46 ms
[2024-05-24 07:21:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 8 ms.
[2024-05-24 07:21:30] [INFO ] Time to serialize gal into /tmp/CTLFireability6211340708672923145.gal : 8 ms
[2024-05-24 07:21:30] [INFO ] Time to serialize properties into /tmp/CTLFireability16131767915573197829.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability6211340708672923145.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16131767915573197829.ctl'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.57101e+1574,11.5141,170588,202,1419,1004,422800,643,203,75,520625,0
Converting to forward existential form...Done !
original formula: AG(EF((((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==200)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1.p8==200))&&((u2.p11==2)&&(u2.p12==1))))&&((((u2.p...10826
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==200)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1...10886
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....10922
Detected timeout of ITS tools.
[2024-05-24 07:22:00] [INFO ] Flatten gal took : 32 ms
[2024-05-24 07:22:00] [INFO ] Flatten gal took : 32 ms
[2024-05-24 07:22:00] [INFO ] Time to serialize gal into /tmp/CTLFireability4682733720556894572.gal : 6 ms
[2024-05-24 07:22:01] [INFO ] Time to serialize properties into /tmp/CTLFireability746945588955767715.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4682733720556894572.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability746945588955767715.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...282
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2024-05-24 07:27:01] [INFO ] Flatten gal took : 31 ms
[2024-05-24 07:27:01] [INFO ] Applying decomposition
[2024-05-24 07:27:01] [INFO ] Flatten gal took : 31 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph15206285191239621180.txt' '-o' '/tmp/graph15206285191239621180.bin' '-w' '/tmp/graph15206285191239621180.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph15206285191239621180.bin' '-l' '-1' '-v' '-w' '/tmp/graph15206285191239621180.weights' '-q' '0' '-e' '0.001'
[2024-05-24 07:27:01] [INFO ] Decomposing Gal with order
[2024-05-24 07:27:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-24 07:27:01] [INFO ] Flatten gal took : 37 ms
[2024-05-24 07:27:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 7 ms.
[2024-05-24 07:27:01] [INFO ] Time to serialize gal into /tmp/CTLFireability1277735786899142925.gal : 7 ms
[2024-05-24 07:27:01] [INFO ] Time to serialize properties into /tmp/CTLFireability4281846455076723457.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1277735786899142925.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4281846455076723457.ctl'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...262
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.57101e+1574,12.6341,170604,202,1419,1004,422800,643,203,75,520625,0
Converting to forward existential form...Done !
original formula: AG(EF((((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==200)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1.p8==200))&&((u2.p11==2)&&(u2.p12==1))))&&((((u2.p...10826
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==200)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1...10886
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....10922
Detected timeout of ITS tools.
[2024-05-24 07:32:01] [INFO ] Flatten gal took : 30 ms
[2024-05-24 07:32:01] [INFO ] Flatten gal took : 31 ms
[2024-05-24 07:32:01] [INFO ] Time to serialize gal into /tmp/CTLFireability10673703533923017157.gal : 5 ms
[2024-05-24 07:32:01] [INFO ] Time to serialize properties into /tmp/CTLFireability12539562977511756858.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10673703533923017157.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12539562977511756858.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
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="JoinFreeModules-PT-0200"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is JoinFreeModules-PT-0200, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r233-tall-171649622400039"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0200.tgz
mv JoinFreeModules-PT-0200 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;