About the Execution of LTSMin+red for Szymanski-PT-b08
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1885.483 | 3600000.00 | 14041700.00 | 552.70 | ? 0 0 0 0 1 1 0 0 0 1 1 1 0 1 ? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r489-tall-167912706800477.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool ltsminxred
Input is Szymanski-PT-b08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912706800477
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 7.3K Feb 26 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 16:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 16:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Feb 26 16:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 26 16:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Feb 26 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M Mar 5 18:23 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 Szymanski-PT-b08-UpperBounds-00
FORMULA_NAME Szymanski-PT-b08-UpperBounds-01
FORMULA_NAME Szymanski-PT-b08-UpperBounds-02
FORMULA_NAME Szymanski-PT-b08-UpperBounds-03
FORMULA_NAME Szymanski-PT-b08-UpperBounds-04
FORMULA_NAME Szymanski-PT-b08-UpperBounds-05
FORMULA_NAME Szymanski-PT-b08-UpperBounds-06
FORMULA_NAME Szymanski-PT-b08-UpperBounds-07
FORMULA_NAME Szymanski-PT-b08-UpperBounds-08
FORMULA_NAME Szymanski-PT-b08-UpperBounds-09
FORMULA_NAME Szymanski-PT-b08-UpperBounds-10
FORMULA_NAME Szymanski-PT-b08-UpperBounds-11
FORMULA_NAME Szymanski-PT-b08-UpperBounds-12
FORMULA_NAME Szymanski-PT-b08-UpperBounds-13
FORMULA_NAME Szymanski-PT-b08-UpperBounds-14
FORMULA_NAME Szymanski-PT-b08-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1679256330947
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b08
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-19 20:05:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-19 20:05:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 20:05:32] [INFO ] Load time of PNML (sax parser for PT used): 326 ms
[2023-03-19 20:05:32] [INFO ] Transformed 568 places.
[2023-03-19 20:05:32] [INFO ] Transformed 8320 transitions.
[2023-03-19 20:05:32] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 490 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 260 places in 19 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b08-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 2733 out of 8064 initially.
// Phase 1: matrix 2733 rows 308 cols
[2023-03-19 20:05:33] [INFO ] Computed 3 place invariants in 74 ms
Incomplete random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 8) seen :1
FORMULA Szymanski-PT-b08-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 7) seen :1
FORMULA Szymanski-PT-b08-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 6) seen :1
FORMULA Szymanski-PT-b08-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 5) seen :1
FORMULA Szymanski-PT-b08-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 4) seen :1
FORMULA Szymanski-PT-b08-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2023-03-19 20:05:33] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2023-03-19 20:05:33] [INFO ] Computed 3 place invariants in 27 ms
[2023-03-19 20:05:33] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2023-03-19 20:05:33] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 20:05:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:05:34] [INFO ] [Real]Absence check using state equation in 560 ms returned sat
[2023-03-19 20:05:34] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:05:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-19 20:05:34] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-19 20:05:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:05:34] [INFO ] [Nat]Absence check using state equation in 535 ms returned sat
[2023-03-19 20:05:34] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:05:35] [INFO ] [Nat]Added 147 Read/Feed constraints in 960 ms returned sat
[2023-03-19 20:05:36] [INFO ] Deduced a trap composed of 137 places in 584 ms of which 3 ms to minimize.
[2023-03-19 20:05:37] [INFO ] Deduced a trap composed of 79 places in 597 ms of which 1 ms to minimize.
[2023-03-19 20:05:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1407 ms
[2023-03-19 20:05:37] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 641 ms.
[2023-03-19 20:05:38] [INFO ] Added : 0 causal constraints over 0 iterations in 845 ms. Result :sat
Minimization took 733 ms.
[2023-03-19 20:05:38] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-19 20:05:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-19 20:05:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:05:39] [INFO ] [Real]Absence check using state equation in 451 ms returned sat
[2023-03-19 20:05:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:05:39] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-19 20:05:39] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 20:05:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:05:39] [INFO ] [Nat]Absence check using state equation in 472 ms returned sat
[2023-03-19 20:05:40] [INFO ] [Nat]Added 147 Read/Feed constraints in 757 ms returned sat
[2023-03-19 20:05:41] [INFO ] Deduced a trap composed of 79 places in 573 ms of which 2 ms to minimize.
[2023-03-19 20:05:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 708 ms
[2023-03-19 20:05:41] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 377 ms.
[2023-03-19 20:05:41] [INFO ] Added : 0 causal constraints over 0 iterations in 581 ms. Result :sat
Minimization took 644 ms.
[2023-03-19 20:05:42] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-19 20:05:42] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-19 20:05:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:05:43] [INFO ] [Real]Absence check using state equation in 413 ms returned sat
[2023-03-19 20:05:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:05:43] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-19 20:05:43] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-19 20:05:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:05:43] [INFO ] [Nat]Absence check using state equation in 455 ms returned sat
[2023-03-19 20:05:45] [INFO ] [Nat]Added 147 Read/Feed constraints in 1306 ms returned sat
[2023-03-19 20:05:45] [INFO ] Deduced a trap composed of 46 places in 523 ms of which 1 ms to minimize.
[2023-03-19 20:05:46] [INFO ] Deduced a trap composed of 137 places in 530 ms of which 1 ms to minimize.
[2023-03-19 20:05:46] [INFO ] Deduced a trap composed of 133 places in 528 ms of which 1 ms to minimize.
[2023-03-19 20:05:46] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1845 ms
[2023-03-19 20:05:47] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 373 ms.
[2023-03-19 20:05:47] [INFO ] Added : 0 causal constraints over 0 iterations in 536 ms. Result :sat
Minimization took 811 ms.
Current structural bounds on expressions (after SMT) : [1, 1, 1] Max seen :[0, 0, 0]
FORMULA Szymanski-PT-b08-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 2 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.18 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 306 transition count 7936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 305 transition count 7808
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 305 transition count 7808
Applied a total of 131 rules in 518 ms. Remains 305 /308 variables (removed 3) and now considering 7808/8064 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 520 ms. Remains : 305/308 places, 7808/8064 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:05:49] [INFO ] Computed 3 place invariants in 26 ms
Incomplete random walk after 1000005 steps, including 2 resets, run finished after 1251 ms. (steps per millisecond=799 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 819 ms. (steps per millisecond=1221 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 745 ms. (steps per millisecond=1342 ) properties (out of 2) seen :0
[2023-03-19 20:05:51] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:05:51] [INFO ] Computed 3 place invariants in 22 ms
[2023-03-19 20:05:52] [INFO ] [Real]Absence check using 3 positive place invariants in 32 ms returned sat
[2023-03-19 20:05:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:05:52] [INFO ] [Real]Absence check using state equation in 411 ms returned sat
[2023-03-19 20:05:52] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:05:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:05:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:05:52] [INFO ] [Nat]Absence check using state equation in 387 ms returned sat
[2023-03-19 20:05:52] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:05:54] [INFO ] [Nat]Added 147 Read/Feed constraints in 1907 ms returned sat
[2023-03-19 20:05:55] [INFO ] Deduced a trap composed of 50 places in 527 ms of which 0 ms to minimize.
[2023-03-19 20:05:55] [INFO ] Deduced a trap composed of 136 places in 505 ms of which 1 ms to minimize.
[2023-03-19 20:05:56] [INFO ] Deduced a trap composed of 140 places in 520 ms of which 0 ms to minimize.
[2023-03-19 20:05:57] [INFO ] Deduced a trap composed of 140 places in 534 ms of which 1 ms to minimize.
[2023-03-19 20:05:57] [INFO ] Deduced a trap composed of 142 places in 550 ms of which 0 ms to minimize.
[2023-03-19 20:05:57] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2981 ms
[2023-03-19 20:05:58] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 344 ms.
[2023-03-19 20:05:58] [INFO ] Added : 3 causal constraints over 2 iterations in 1084 ms. Result :sat
Minimization took 1107 ms.
[2023-03-19 20:06:00] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:06:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:00] [INFO ] [Real]Absence check using state equation in 411 ms returned sat
[2023-03-19 20:06:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:06:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:06:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:01] [INFO ] [Nat]Absence check using state equation in 419 ms returned sat
[2023-03-19 20:06:03] [INFO ] [Nat]Added 147 Read/Feed constraints in 2155 ms returned sat
[2023-03-19 20:06:03] [INFO ] Deduced a trap composed of 134 places in 502 ms of which 1 ms to minimize.
[2023-03-19 20:06:04] [INFO ] Deduced a trap composed of 135 places in 494 ms of which 1 ms to minimize.
[2023-03-19 20:06:04] [INFO ] Deduced a trap composed of 50 places in 558 ms of which 0 ms to minimize.
[2023-03-19 20:06:05] [INFO ] Deduced a trap composed of 133 places in 544 ms of which 1 ms to minimize.
[2023-03-19 20:06:06] [INFO ] Deduced a trap composed of 132 places in 546 ms of which 1 ms to minimize.
[2023-03-19 20:06:06] [INFO ] Deduced a trap composed of 130 places in 529 ms of which 0 ms to minimize.
[2023-03-19 20:06:07] [INFO ] Deduced a trap composed of 130 places in 529 ms of which 1 ms to minimize.
[2023-03-19 20:06:07] [INFO ] Deduced a trap composed of 78 places in 400 ms of which 1 ms to minimize.
[2023-03-19 20:06:07] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 4694 ms
[2023-03-19 20:06:08] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 421 ms.
[2023-03-19 20:06:08] [INFO ] Added : 3 causal constraints over 2 iterations in 747 ms. Result :sat
Minimization took 1826 ms.
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 248 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 248 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 320 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 20:06:11] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:06:11] [INFO ] Invariant cache hit.
[2023-03-19 20:06:12] [INFO ] Implicit Places using invariants in 579 ms returned []
[2023-03-19 20:06:12] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:06:12] [INFO ] Invariant cache hit.
[2023-03-19 20:06:12] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:06:14] [INFO ] Implicit Places using invariants and state equation in 2848 ms returned []
Implicit Place search using SMT with State Equation took 3429 ms to find 0 implicit places.
[2023-03-19 20:06:15] [INFO ] Redundant transitions in 923 ms returned []
[2023-03-19 20:06:15] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:06:15] [INFO ] Invariant cache hit.
[2023-03-19 20:06:18] [INFO ] Dead Transitions using invariants and state equation in 2241 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6920 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting property specific reduction for Szymanski-PT-b08-UpperBounds-00
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:06:18] [INFO ] Computed 3 place invariants in 25 ms
Incomplete random walk after 10006 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
[2023-03-19 20:06:18] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:06:18] [INFO ] Computed 3 place invariants in 14 ms
[2023-03-19 20:06:18] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:06:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:18] [INFO ] [Real]Absence check using state equation in 407 ms returned sat
[2023-03-19 20:06:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:06:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:06:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:19] [INFO ] [Nat]Absence check using state equation in 389 ms returned sat
[2023-03-19 20:06:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:06:21] [INFO ] [Nat]Added 147 Read/Feed constraints in 1912 ms returned sat
[2023-03-19 20:06:21] [INFO ] Deduced a trap composed of 50 places in 510 ms of which 0 ms to minimize.
[2023-03-19 20:06:22] [INFO ] Deduced a trap composed of 136 places in 510 ms of which 0 ms to minimize.
[2023-03-19 20:06:22] [INFO ] Deduced a trap composed of 140 places in 496 ms of which 0 ms to minimize.
[2023-03-19 20:06:23] [INFO ] Deduced a trap composed of 140 places in 507 ms of which 1 ms to minimize.
[2023-03-19 20:06:23] [INFO ] Deduced a trap composed of 142 places in 513 ms of which 0 ms to minimize.
[2023-03-19 20:06:23] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:916)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:733)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 224 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 227 ms. Remains : 305/305 places, 7808/7808 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:06:24] [INFO ] Computed 3 place invariants in 21 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1289 ms. (steps per millisecond=775 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1012 ms. (steps per millisecond=988 ) properties (out of 1) seen :0
[2023-03-19 20:06:26] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:06:26] [INFO ] Computed 3 place invariants in 23 ms
[2023-03-19 20:06:26] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:06:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:26] [INFO ] [Real]Absence check using state equation in 407 ms returned sat
[2023-03-19 20:06:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:06:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:06:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:27] [INFO ] [Nat]Absence check using state equation in 364 ms returned sat
[2023-03-19 20:06:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:06:29] [INFO ] [Nat]Added 147 Read/Feed constraints in 1894 ms returned sat
[2023-03-19 20:06:29] [INFO ] Deduced a trap composed of 50 places in 513 ms of which 1 ms to minimize.
[2023-03-19 20:06:30] [INFO ] Deduced a trap composed of 136 places in 502 ms of which 0 ms to minimize.
[2023-03-19 20:06:31] [INFO ] Deduced a trap composed of 140 places in 512 ms of which 1 ms to minimize.
[2023-03-19 20:06:31] [INFO ] Deduced a trap composed of 140 places in 518 ms of which 1 ms to minimize.
[2023-03-19 20:06:32] [INFO ] Deduced a trap composed of 142 places in 505 ms of which 1 ms to minimize.
[2023-03-19 20:06:32] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2905 ms
[2023-03-19 20:06:32] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 386 ms.
[2023-03-19 20:06:33] [INFO ] Added : 3 causal constraints over 2 iterations in 1127 ms. Result :sat
Minimization took 1069 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 209 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 210 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 204 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 20:06:35] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:06:35] [INFO ] Invariant cache hit.
[2023-03-19 20:06:35] [INFO ] Implicit Places using invariants in 532 ms returned []
[2023-03-19 20:06:35] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:06:35] [INFO ] Invariant cache hit.
[2023-03-19 20:06:36] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:06:37] [INFO ] Implicit Places using invariants and state equation in 1954 ms returned []
Implicit Place search using SMT with State Equation took 2488 ms to find 0 implicit places.
[2023-03-19 20:06:38] [INFO ] Redundant transitions in 898 ms returned []
[2023-03-19 20:06:38] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:06:38] [INFO ] Invariant cache hit.
[2023-03-19 20:06:40] [INFO ] Dead Transitions using invariants and state equation in 2206 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5801 ms. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b08-UpperBounds-00 in 22603 ms.
Starting property specific reduction for Szymanski-PT-b08-UpperBounds-15
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:06:40] [INFO ] Computed 3 place invariants in 27 ms
Incomplete random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
[2023-03-19 20:06:40] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:06:40] [INFO ] Computed 3 place invariants in 12 ms
[2023-03-19 20:06:40] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 20:06:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:41] [INFO ] [Real]Absence check using state equation in 420 ms returned sat
[2023-03-19 20:06:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:06:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:06:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:41] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2023-03-19 20:06:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:06:43] [INFO ] [Nat]Added 147 Read/Feed constraints in 2131 ms returned sat
[2023-03-19 20:06:44] [INFO ] Deduced a trap composed of 134 places in 515 ms of which 8 ms to minimize.
[2023-03-19 20:06:45] [INFO ] Deduced a trap composed of 135 places in 492 ms of which 1 ms to minimize.
[2023-03-19 20:06:45] [INFO ] Deduced a trap composed of 50 places in 498 ms of which 1 ms to minimize.
[2023-03-19 20:06:46] [INFO ] Deduced a trap composed of 133 places in 508 ms of which 0 ms to minimize.
[2023-03-19 20:06:46] [INFO ] Deduced a trap composed of 132 places in 489 ms of which 1 ms to minimize.
[2023-03-19 20:06:46] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:916)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:733)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 207 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 208 ms. Remains : 305/305 places, 7808/7808 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:06:47] [INFO ] Computed 3 place invariants in 19 ms
Incomplete random walk after 1000003 steps, including 2 resets, run finished after 1135 ms. (steps per millisecond=881 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 985 ms. (steps per millisecond=1015 ) properties (out of 1) seen :0
[2023-03-19 20:06:49] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 20:06:49] [INFO ] Computed 3 place invariants in 18 ms
[2023-03-19 20:06:49] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-19 20:06:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:49] [INFO ] [Real]Absence check using state equation in 404 ms returned sat
[2023-03-19 20:06:49] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 20:06:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 20:06:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 20:06:50] [INFO ] [Nat]Absence check using state equation in 410 ms returned sat
[2023-03-19 20:06:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:06:52] [INFO ] [Nat]Added 147 Read/Feed constraints in 2158 ms returned sat
[2023-03-19 20:06:52] [INFO ] Deduced a trap composed of 134 places in 514 ms of which 4 ms to minimize.
[2023-03-19 20:06:53] [INFO ] Deduced a trap composed of 135 places in 509 ms of which 0 ms to minimize.
[2023-03-19 20:06:54] [INFO ] Deduced a trap composed of 50 places in 505 ms of which 0 ms to minimize.
[2023-03-19 20:06:54] [INFO ] Deduced a trap composed of 133 places in 492 ms of which 0 ms to minimize.
[2023-03-19 20:06:55] [INFO ] Deduced a trap composed of 132 places in 510 ms of which 0 ms to minimize.
[2023-03-19 20:06:55] [INFO ] Deduced a trap composed of 130 places in 486 ms of which 0 ms to minimize.
[2023-03-19 20:06:56] [INFO ] Deduced a trap composed of 130 places in 483 ms of which 0 ms to minimize.
[2023-03-19 20:06:56] [INFO ] Deduced a trap composed of 78 places in 363 ms of which 0 ms to minimize.
[2023-03-19 20:06:56] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 4414 ms
[2023-03-19 20:06:57] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 384 ms.
[2023-03-19 20:06:57] [INFO ] Added : 3 causal constraints over 2 iterations in 702 ms. Result :sat
Minimization took 1805 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 196 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 20:06:59] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:06:59] [INFO ] Invariant cache hit.
[2023-03-19 20:07:00] [INFO ] Implicit Places using invariants in 529 ms returned []
[2023-03-19 20:07:00] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:07:00] [INFO ] Invariant cache hit.
[2023-03-19 20:07:00] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 20:07:03] [INFO ] Implicit Places using invariants and state equation in 2883 ms returned []
Implicit Place search using SMT with State Equation took 3432 ms to find 0 implicit places.
[2023-03-19 20:07:04] [INFO ] Redundant transitions in 680 ms returned []
[2023-03-19 20:07:04] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 20:07:04] [INFO ] Invariant cache hit.
[2023-03-19 20:07:06] [INFO ] Dead Transitions using invariants and state equation in 2187 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6490 ms. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b08-UpperBounds-15 in 25476 ms.
[2023-03-19 20:07:06] [INFO ] Flatten gal took : 477 ms
[2023-03-19 20:07:06] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 1 ms.
[2023-03-19 20:07:07] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 305 places, 7808 transitions and 31360 arcs took 32 ms.
Total runtime 94566 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/695/ub_0_ --maxsum=/tmp/695/ub_1_
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 15442636 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16089084 kB
BK_TIME_CONFINEMENT_REACHED
--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023
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="Szymanski-PT-b08"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is Szymanski-PT-b08, 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 r489-tall-167912706800477"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b08.tgz
mv Szymanski-PT-b08 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 '
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 ;