Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2021-input.r026-tajo-162038143500195.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is BridgeAndVehicles-PT-V20P10N50, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r026-tajo-162038143500195
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 14M
-rw-r--r-- 1 mcc users 58K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 292K May 5 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0M May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 7.5M May 5 16:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 28 15:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 35K Mar 28 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 230K Mar 28 15:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 673K Mar 28 15:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Mar 23 02:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 33K Mar 23 02:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 147K Mar 22 11:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 418K Mar 22 11:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 22 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.4K Mar 22 09:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 10 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 2.5M May 5 16:51 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 BridgeAndVehicles-PT-V20P10N50-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1620527318574

Running Version 0
[2021-05-09 02:28:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-09 02:28:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-09 02:28:40] [INFO ] Load time of PNML (sax parser for PT used): 179 ms
[2021-05-09 02:28:40] [INFO ] Transformed 108 places.
[2021-05-09 02:28:40] [INFO ] Transformed 2228 transitions.
[2021-05-09 02:28:40] [INFO ] Parsed PT model containing 108 places and 2228 transitions in 236 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 290 out of 2228 initially.
// Phase 1: matrix 290 rows 108 cols
[2021-05-09 02:28:41] [INFO ] Computed 7 place invariants in 39 ms
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-04 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 57 resets, run finished after 211 ms. (steps per millisecond=47 ) properties (out of 12) seen :77
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-06 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-05 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-01 20 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 5) seen :21
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-14 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-00 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 3) seen :1
[2021-05-09 02:28:41] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
// Phase 1: matrix 290 rows 108 cols
[2021-05-09 02:28:41] [INFO ] Computed 7 place invariants in 10 ms
[2021-05-09 02:28:41] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat
[2021-05-09 02:28:41] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2021-05-09 02:28:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:28:41] [INFO ] [Real]Absence check using state equation in 205 ms returned sat
[2021-05-09 02:28:41] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:28:41] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2021-05-09 02:28:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:28:42] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2021-05-09 02:28:42] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-09 02:28:42] [INFO ] [Nat]Added 102 Read/Feed constraints in 22 ms returned sat
[2021-05-09 02:28:42] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 197 transitions) in 290 ms.
[2021-05-09 02:28:43] [INFO ] Added : 87 causal constraints over 21 iterations in 924 ms. Result :sat
Minimization took 68 ms.
[2021-05-09 02:28:43] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2021-05-09 02:28:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:28:43] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2021-05-09 02:28:43] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:28:43] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2021-05-09 02:28:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:28:43] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2021-05-09 02:28:43] [INFO ] [Nat]Added 102 Read/Feed constraints in 29 ms returned sat
[2021-05-09 02:28:43] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 197 transitions) in 156 ms.
[2021-05-09 02:28:44] [INFO ] Added : 87 causal constraints over 21 iterations in 562 ms. Result :sat
Minimization took 69 ms.
Current structural bounds on expressions (after SMT) : [1, 1, 1] Max seen :[1, 0, 0]
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Incomplete Parikh walk after 782200 steps, including 5182 resets, run finished after 7161 ms. (steps per millisecond=109 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 775000 steps, including 5161 resets, run finished after 6806 ms. (steps per millisecond=113 ) properties (out of 2) seen :0 could not realise parikh vector
Support contains 2 out of 108 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 108/108 places, 2228/2228 transitions.
Graph (complete) has 882 edges and 108 vertex of which 106 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.48 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 105 transition count 2227
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 105 transition count 2227
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 103 transition count 2226
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 7 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 10 place count 101 transition count 2224
Applied a total of 10 rules in 764 ms. Remains 101 /108 variables (removed 7) and now considering 2224/2228 (removed 4) transitions.
Finished structural reductions, in 1 iterations. Remains : 101/108 places, 2224/2228 transitions.
Normalized transition count is 286 out of 2224 initially.
// Phase 1: matrix 286 rows 101 cols
[2021-05-09 02:28:59] [INFO ] Computed 4 place invariants in 14 ms
Incomplete random walk after 1000000 steps, including 8022 resets, run finished after 7299 ms. (steps per millisecond=137 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3320 resets, run finished after 3200 ms. (steps per millisecond=312 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3322 resets, run finished after 3162 ms. (steps per millisecond=316 ) properties (out of 2) seen :0
[2021-05-09 02:29:12] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 101 cols
[2021-05-09 02:29:12] [INFO ] Computed 4 place invariants in 5 ms
[2021-05-09 02:29:12] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2021-05-09 02:29:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:29:12] [INFO ] [Real]Absence check using state equation in 133 ms returned sat
[2021-05-09 02:29:12] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:29:12] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2021-05-09 02:29:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:29:13] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2021-05-09 02:29:13] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-09 02:29:13] [INFO ] [Nat]Added 102 Read/Feed constraints in 73 ms returned sat
[2021-05-09 02:29:13] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 193 transitions) in 205 ms.
[2021-05-09 02:29:14] [INFO ] Added : 87 causal constraints over 29 iterations in 799 ms. Result :sat
Minimization took 64 ms.
[2021-05-09 02:29:14] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2021-05-09 02:29:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:29:14] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2021-05-09 02:29:14] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:29:14] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2021-05-09 02:29:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:29:14] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2021-05-09 02:29:14] [INFO ] [Nat]Added 102 Read/Feed constraints in 37 ms returned sat
[2021-05-09 02:29:14] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 193 transitions) in 80 ms.
[2021-05-09 02:29:15] [INFO ] Added : 86 causal constraints over 39 iterations in 856 ms. Result :sat
Minimization took 57 ms.
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
Incomplete Parikh walk after 523500 steps, including 4890 resets, run finished after 5258 ms. (steps per millisecond=99 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 866300 steps, including 7648 resets, run finished after 9309 ms. (steps per millisecond=93 ) properties (out of 2) seen :0 could not realise parikh vector
Support contains 2 out of 101 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 101/101 places, 2224/2224 transitions.
Applied a total of 0 rules in 245 ms. Remains 101 /101 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 101/101 places, 2224/2224 transitions.
Starting structural reductions, iteration 0 : 101/101 places, 2224/2224 transitions.
Applied a total of 0 rules in 383 ms. Remains 101 /101 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2021-05-09 02:29:30] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 101 cols
[2021-05-09 02:29:30] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-09 02:29:30] [INFO ] Implicit Places using invariants in 416 ms returned []
[2021-05-09 02:29:30] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 101 cols
[2021-05-09 02:29:30] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-09 02:29:31] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-09 02:29:31] [INFO ] Implicit Places using invariants and state equation in 904 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1330 ms to find 2 implicit places.
[2021-05-09 02:29:31] [INFO ] Redundant transitions in 134 ms returned []
[2021-05-09 02:29:31] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:29:31] [INFO ] Computed 4 place invariants in 5 ms
[2021-05-09 02:29:32] [INFO ] Dead Transitions using invariants and state equation in 859 ms returned []
Starting structural reductions, iteration 1 : 99/101 places, 2224/2224 transitions.
Applied a total of 0 rules in 206 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2021-05-09 02:29:33] [INFO ] Redundant transitions in 134 ms returned []
[2021-05-09 02:29:33] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:29:33] [INFO ] Computed 4 place invariants in 2 ms
[2021-05-09 02:29:33] [INFO ] Dead Transitions using invariants and state equation in 767 ms returned []
Finished structural reductions, in 2 iterations. Remains : 99/101 places, 2224/2224 transitions.
Normalized transition count is 286 out of 2224 initially.
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:29:33] [INFO ] Computed 4 place invariants in 3 ms
Incomplete random walk after 1000000 steps, including 8020 resets, run finished after 6753 ms. (steps per millisecond=148 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3320 resets, run finished after 2738 ms. (steps per millisecond=365 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3318 resets, run finished after 3243 ms. (steps per millisecond=308 ) properties (out of 2) seen :0
[2021-05-09 02:29:46] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:29:46] [INFO ] Computed 4 place invariants in 4 ms
[2021-05-09 02:29:46] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2021-05-09 02:29:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:29:46] [INFO ] [Real]Absence check using state equation in 101 ms returned sat
[2021-05-09 02:29:46] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:29:46] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2021-05-09 02:29:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:29:47] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2021-05-09 02:29:47] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-09 02:29:47] [INFO ] [Nat]Added 102 Read/Feed constraints in 45 ms returned sat
[2021-05-09 02:29:47] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 193 transitions) in 107 ms.
[2021-05-09 02:29:47] [INFO ] Added : 87 causal constraints over 18 iterations in 464 ms. Result :sat
Minimization took 90 ms.
[2021-05-09 02:29:47] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2021-05-09 02:29:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:29:47] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2021-05-09 02:29:47] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:29:47] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2021-05-09 02:29:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:29:47] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2021-05-09 02:29:47] [INFO ] [Nat]Added 102 Read/Feed constraints in 26 ms returned sat
[2021-05-09 02:29:48] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 193 transitions) in 130 ms.
[2021-05-09 02:29:48] [INFO ] Added : 86 causal constraints over 32 iterations in 670 ms. Result :sat
Minimization took 82 ms.
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
Incomplete Parikh walk after 783600 steps, including 6989 resets, run finished after 7980 ms. (steps per millisecond=98 ) properties (out of 2) seen :0 could not realise parikh vector
Incomplete Parikh walk after 776300 steps, including 6878 resets, run finished after 6866 ms. (steps per millisecond=113 ) properties (out of 2) seen :0 could not realise parikh vector
Support contains 2 out of 99 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 162 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 99/99 places, 2224/2224 transitions.
Starting structural reductions, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 173 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2021-05-09 02:30:03] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:03] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-09 02:30:04] [INFO ] Implicit Places using invariants in 301 ms returned []
[2021-05-09 02:30:04] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:04] [INFO ] Computed 4 place invariants in 2 ms
[2021-05-09 02:30:04] [INFO ] Implicit Places using invariants and state equation in 376 ms returned []
Implicit Place search using SMT with State Equation took 693 ms to find 0 implicit places.
[2021-05-09 02:30:04] [INFO ] Redundant transitions in 37 ms returned []
[2021-05-09 02:30:04] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:04] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-09 02:30:05] [INFO ] Dead Transitions using invariants and state equation in 633 ms returned []
Finished structural reductions, in 1 iterations. Remains : 99/99 places, 2224/2224 transitions.
Starting property specific reduction for BridgeAndVehicles-PT-V20P10N50-UpperBounds-10
Normalized transition count is 286 out of 2224 initially.
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:05] [INFO ] Computed 4 place invariants in 2 ms
Incomplete random walk after 10000 steps, including 79 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 33 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
[2021-05-09 02:30:05] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:05] [INFO ] Computed 4 place invariants in 4 ms
[2021-05-09 02:30:05] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2021-05-09 02:30:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:30:05] [INFO ] [Real]Absence check using state equation in 118 ms returned sat
[2021-05-09 02:30:05] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:30:05] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2021-05-09 02:30:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:30:05] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2021-05-09 02:30:05] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-09 02:30:05] [INFO ] [Nat]Added 102 Read/Feed constraints in 39 ms returned sat
[2021-05-09 02:30:05] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 193 transitions) in 103 ms.
[2021-05-09 02:30:06] [INFO ] Added : 87 causal constraints over 18 iterations in 488 ms. Result :sat
Minimization took 60 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Incomplete Parikh walk after 776300 steps, including 6886 resets, run finished after 7889 ms. (steps per millisecond=98 ) properties (out of 1) seen :0 could not realise parikh vector
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 215 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 99/99 places, 2224/2224 transitions.
Normalized transition count is 286 out of 2224 initially.
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:14] [INFO ] Computed 4 place invariants in 6 ms
Incomplete random walk after 1000000 steps, including 8019 resets, run finished after 6629 ms. (steps per millisecond=150 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3316 resets, run finished after 2750 ms. (steps per millisecond=363 ) properties (out of 1) seen :0
[2021-05-09 02:30:23] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:23] [INFO ] Computed 4 place invariants in 3 ms
[2021-05-09 02:30:23] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2021-05-09 02:30:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:30:24] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
[2021-05-09 02:30:24] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:30:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2021-05-09 02:30:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:30:24] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2021-05-09 02:30:24] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-09 02:30:24] [INFO ] [Nat]Added 102 Read/Feed constraints in 41 ms returned sat
[2021-05-09 02:30:24] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 193 transitions) in 107 ms.
[2021-05-09 02:30:24] [INFO ] Added : 87 causal constraints over 18 iterations in 473 ms. Result :sat
Minimization took 67 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Incomplete Parikh walk after 776300 steps, including 6883 resets, run finished after 7162 ms. (steps per millisecond=108 ) properties (out of 1) seen :0 could not realise parikh vector
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 271 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 99/99 places, 2224/2224 transitions.
Starting structural reductions, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 251 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2021-05-09 02:30:32] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:32] [INFO ] Computed 4 place invariants in 3 ms
[2021-05-09 02:30:32] [INFO ] Implicit Places using invariants in 345 ms returned []
[2021-05-09 02:30:32] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:32] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-09 02:30:33] [INFO ] Implicit Places using invariants and state equation in 423 ms returned []
Implicit Place search using SMT with State Equation took 770 ms to find 0 implicit places.
[2021-05-09 02:30:33] [INFO ] Redundant transitions in 58 ms returned []
[2021-05-09 02:30:33] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:33] [INFO ] Computed 4 place invariants in 4 ms
[2021-05-09 02:30:34] [INFO ] Dead Transitions using invariants and state equation in 819 ms returned []
Finished structural reductions, in 1 iterations. Remains : 99/99 places, 2224/2224 transitions.
Ending property specific reduction for BridgeAndVehicles-PT-V20P10N50-UpperBounds-10 in 28870 ms.
Starting property specific reduction for BridgeAndVehicles-PT-V20P10N50-UpperBounds-15
Normalized transition count is 286 out of 2224 initially.
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:34] [INFO ] Computed 4 place invariants in 3 ms
Incomplete random walk after 10000 steps, including 80 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 33 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 1) seen :0
[2021-05-09 02:30:34] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:34] [INFO ] Computed 4 place invariants in 3 ms
[2021-05-09 02:30:34] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2021-05-09 02:30:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:30:34] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2021-05-09 02:30:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:30:34] [INFO ] [Nat]Absence check using 4 positive place invariants in 14 ms returned sat
[2021-05-09 02:30:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:30:34] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2021-05-09 02:30:34] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-09 02:30:34] [INFO ] [Nat]Added 102 Read/Feed constraints in 22 ms returned sat
[2021-05-09 02:30:34] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 193 transitions) in 64 ms.
[2021-05-09 02:30:35] [INFO ] Added : 86 causal constraints over 32 iterations in 582 ms. Result :sat
Minimization took 82 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Incomplete Parikh walk after 783600 steps, including 6998 resets, run finished after 7093 ms. (steps per millisecond=110 ) properties (out of 1) seen :0 could not realise parikh vector
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 181 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 99/99 places, 2224/2224 transitions.
Normalized transition count is 286 out of 2224 initially.
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:42] [INFO ] Computed 4 place invariants in 6 ms
Incomplete random walk after 1000000 steps, including 8021 resets, run finished after 6503 ms. (steps per millisecond=153 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3322 resets, run finished after 2761 ms. (steps per millisecond=362 ) properties (out of 1) seen :0
[2021-05-09 02:30:51] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:30:51] [INFO ] Computed 4 place invariants in 3 ms
[2021-05-09 02:30:51] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2021-05-09 02:30:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-09 02:30:52] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2021-05-09 02:30:52] [INFO ] Solution in real domain found non-integer solution.
[2021-05-09 02:30:52] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2021-05-09 02:30:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-09 02:30:52] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2021-05-09 02:30:52] [INFO ] State equation strengthened by 102 read => feed constraints.
[2021-05-09 02:30:52] [INFO ] [Nat]Added 102 Read/Feed constraints in 39 ms returned sat
[2021-05-09 02:30:52] [INFO ] Computed and/alt/rep : 90/178/90 causal constraints (skipped 193 transitions) in 67 ms.
[2021-05-09 02:30:52] [INFO ] Added : 86 causal constraints over 32 iterations in 658 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Incomplete Parikh walk after 783600 steps, including 6996 resets, run finished after 6964 ms. (steps per millisecond=112 ) properties (out of 1) seen :0 could not realise parikh vector
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 175 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 99/99 places, 2224/2224 transitions.
Starting structural reductions, iteration 0 : 99/99 places, 2224/2224 transitions.
Applied a total of 0 rules in 168 ms. Remains 99 /99 variables (removed 0) and now considering 2224/2224 (removed 0) transitions.
[2021-05-09 02:31:00] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:31:00] [INFO ] Computed 4 place invariants in 3 ms
[2021-05-09 02:31:00] [INFO ] Implicit Places using invariants in 362 ms returned []
[2021-05-09 02:31:00] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:31:00] [INFO ] Computed 4 place invariants in 7 ms
[2021-05-09 02:31:01] [INFO ] Implicit Places using invariants and state equation in 406 ms returned []
Implicit Place search using SMT with State Equation took 784 ms to find 0 implicit places.
[2021-05-09 02:31:01] [INFO ] Redundant transitions in 57 ms returned []
[2021-05-09 02:31:01] [INFO ] Flow matrix only has 286 transitions (discarded 1938 similar events)
// Phase 1: matrix 286 rows 99 cols
[2021-05-09 02:31:01] [INFO ] Computed 4 place invariants in 2 ms
[2021-05-09 02:31:01] [INFO ] Dead Transitions using invariants and state equation in 836 ms returned []
Finished structural reductions, in 1 iterations. Remains : 99/99 places, 2224/2224 transitions.
Ending property specific reduction for BridgeAndVehicles-PT-V20P10N50-UpperBounds-15 in 27778 ms.
[2021-05-09 02:31:02] [INFO ] Flatten gal took : 275 ms
[2021-05-09 02:31:02] [INFO ] Applying decomposition
[2021-05-09 02:31:02] [INFO ] Flatten gal took : 112 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph3576356126353024498.txt, -o, /tmp/graph3576356126353024498.bin, -w, /tmp/graph3576356126353024498.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph3576356126353024498.bin, -l, -1, -v, -w, /tmp/graph3576356126353024498.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-09 02:31:03] [INFO ] Decomposing Gal with order
[2021-05-09 02:31:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-09 02:31:04] [INFO ] Removed a total of 4275 redundant transitions.
[2021-05-09 02:31:04] [INFO ] Flatten gal took : 943 ms
[2021-05-09 02:31:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 297 labels/synchronizations in 54 ms.
[2021-05-09 02:31:04] [INFO ] Time to serialize gal into /tmp/UpperBounds11594245125750174856.gal : 14 ms
[2021-05-09 02:31:04] [INFO ] Time to serialize properties into /tmp/UpperBounds12060098126825976421.prop : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/UpperBounds11594245125750174856.gal, -t, CGAL, -reachable-file, /tmp/UpperBounds12060098126825976421.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/UpperBounds11594245125750174856.gal -t CGAL -reachable-file /tmp/UpperBounds12060098126825976421.prop --nowitness
Loading property file /tmp/UpperBounds12060098126825976421.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.48936e+06,12.1642,278528,1339,7612,115652,273737,93,343614,378,3.23222e+06,0
Total reachable state count : 1489362

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 0
Bounds property BridgeAndVehicles-PT-V20P10N50-UpperBounds-10 :0 <= i1.u2.COMPTEUR_24 <= 0
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-10 0 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-PT-V20P10N50-UpperBounds-10,0,12.5301,278528,1,0,115652,273737,112,343614,489,3.23222e+06,50
Min sum of variable value : 0
Maximum sum along a path : 0
Bounds property BridgeAndVehicles-PT-V20P10N50-UpperBounds-15 :0 <= i1.u2.COMPTEUR_48 <= 0
FORMULA BridgeAndVehicles-PT-V20P10N50-UpperBounds-15 0 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-PT-V20P10N50-UpperBounds-15,0,12.5313,278528,1,0,115652,273737,119,343614,493,3.23222e+06,77
ITS tools runner thread asked to quit. Dying gracefully.

BK_STOP 1620527477389

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination UpperBounds -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="BridgeAndVehicles-PT-V20P10N50"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-PT-V20P10N50, 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 r026-tajo-162038143500195"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P10N50.tgz
mv BridgeAndVehicles-PT-V20P10N50 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;