Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2020-input.r021-oct2-158897699000412.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is BridgeAndVehicles-PT-V80P20N20, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r021-oct2-158897699000412
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.4M
-rw-r--r-- 1 mcc users 11K Mar 26 02:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Mar 26 02:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 290K Mar 25 21:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 840K Mar 25 21:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 14K Apr 8 14:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 49K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 131K Apr 8 14:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 378K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 25 17:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 43K Mar 25 17:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 404K Mar 25 13:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.2M Mar 25 13:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 25 17:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.1K Mar 25 17:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 4.1M Mar 24 05:37 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-00
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-01
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-02
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-03
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-04
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-05
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-06
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-07
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-08
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-09
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-10
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-11
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-12
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-13
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-14
FORMULA_NAME BridgeAndVehicles-PT-V80P20N20-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1589243851457

[2020-05-12 00:37:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2020-05-12 00:37:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-12 00:37:34] [INFO ] Load time of PNML (sax parser for PT used): 227 ms
[2020-05-12 00:37:34] [INFO ] Transformed 198 places.
[2020-05-12 00:37:34] [INFO ] Transformed 3728 transitions.
[2020-05-12 00:37:34] [INFO ] Parsed PT model containing 198 places and 3728 transitions in 321 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 388 ms.
Incomplete random walk after 100000 steps, including 145 resets, run finished after 16206 ms. (steps per millisecond=6 ) properties seen :[1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]
[2020-05-12 00:37:51] [INFO ] Flow matrix only has 410 transitions (discarded 3318 similar events)
// Phase 1: matrix 410 rows 198 cols
[2020-05-12 00:37:51] [INFO ] Computed 7 place invariants in 17 ms
[2020-05-12 00:37:51] [INFO ] [Real]Absence check using 7 positive place invariants in 18 ms returned unsat
[2020-05-12 00:37:51] [INFO ] [Real]Absence check using 7 positive place invariants in 23 ms returned unsat
[2020-05-12 00:37:51] [INFO ] [Real]Absence check using 7 positive place invariants in 11 ms returned sat
[2020-05-12 00:37:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:37:51] [INFO ] [Real]Absence check using state equation in 299 ms returned sat
[2020-05-12 00:37:51] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:37:51] [INFO ] [Nat]Absence check using 7 positive place invariants in 53 ms returned sat
[2020-05-12 00:37:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:37:52] [INFO ] [Nat]Absence check using state equation in 207 ms returned sat
[2020-05-12 00:37:52] [INFO ] State equation strengthened by 42 read => feed constraints.
[2020-05-12 00:37:52] [INFO ] [Nat]Added 42 Read/Feed constraints in 52 ms returned sat
[2020-05-12 00:37:52] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 282 ms.
[2020-05-12 00:38:11] [INFO ] Added : 295 causal constraints over 59 iterations in 19513 ms. Result :sat
[2020-05-12 00:38:12] [INFO ] Deduced a trap composed of 4 places in 707 ms
[2020-05-12 00:38:12] [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 closed (> (+ s169 s172 s175 s176) 0)") while checking expression at index 2
[2020-05-12 00:38:12] [INFO ] [Real]Absence check using 7 positive place invariants in 55 ms returned sat
[2020-05-12 00:38:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:38:13] [INFO ] [Real]Absence check using state equation in 477 ms returned sat
[2020-05-12 00:38:13] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:38:13] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2020-05-12 00:38:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:38:14] [INFO ] [Nat]Absence check using state equation in 1413 ms returned sat
[2020-05-12 00:38:14] [INFO ] [Nat]Added 42 Read/Feed constraints in 42 ms returned sat
[2020-05-12 00:38:14] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 173 ms.
[2020-05-12 00:38:27] [INFO ] Added : 260 causal constraints over 52 iterations in 12730 ms. Result :sat
[2020-05-12 00:38:29] [INFO ] Deduced a trap composed of 24 places in 1697 ms
[2020-05-12 00:38:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 2030 ms
[2020-05-12 00:38:29] [INFO ] [Real]Absence check using 7 positive place invariants in 44 ms returned sat
[2020-05-12 00:38:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:38:30] [INFO ] [Real]Absence check using state equation in 684 ms returned sat
[2020-05-12 00:38:30] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:38:30] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2020-05-12 00:38:30] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:38:30] [INFO ] [Nat]Absence check using state equation in 323 ms returned sat
[2020-05-12 00:38:30] [INFO ] [Nat]Added 42 Read/Feed constraints in 62 ms returned sat
[2020-05-12 00:38:30] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 141 ms.
[2020-05-12 00:38:49] [INFO ] Added : 287 causal constraints over 60 iterations in 18950 ms. Result :sat
[2020-05-12 00:38:50] [INFO ] Deduced a trap composed of 5 places in 373 ms
[2020-05-12 00:38:50] [INFO ] SMT solver returned unknown. Retrying;
[2020-05-12 00:38:51] [INFO ] Deduced a trap composed of 4 places in 686 ms
[2020-05-12 00:38:51] [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 closed (> (+ s169 s172 s175 s176) 0)") while checking expression at index 4
[2020-05-12 00:38:51] [INFO ] [Real]Absence check using 7 positive place invariants in 28 ms returned sat
[2020-05-12 00:38:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:38:51] [INFO ] [Real]Absence check using state equation in 212 ms returned unsat
[2020-05-12 00:38:51] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2020-05-12 00:38:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:38:51] [INFO ] [Real]Absence check using state equation in 198 ms returned sat
[2020-05-12 00:38:51] [INFO ] [Real]Added 42 Read/Feed constraints in 26 ms returned sat
[2020-05-12 00:38:51] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 247 ms.
[2020-05-12 00:38:52] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:38:52] [INFO ] [Nat]Absence check using 7 positive place invariants in 32 ms returned sat
[2020-05-12 00:38:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:38:52] [INFO ] [Nat]Absence check using state equation in 230 ms returned sat
[2020-05-12 00:38:52] [INFO ] [Nat]Added 42 Read/Feed constraints in 43 ms returned sat
[2020-05-12 00:38:52] [INFO ] Deduced a trap composed of 24 places in 311 ms
[2020-05-12 00:38:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 363 ms
[2020-05-12 00:38:52] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 110 ms.
[2020-05-12 00:39:12] [INFO ] Added : 295 causal constraints over 59 iterations in 19209 ms. Result :unknown
[2020-05-12 00:39:12] [INFO ] [Real]Absence check using 7 positive place invariants in 22 ms returned sat
[2020-05-12 00:39:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:39:12] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2020-05-12 00:39:12] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:39:12] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2020-05-12 00:39:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:39:12] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2020-05-12 00:39:12] [INFO ] [Nat]Added 42 Read/Feed constraints in 42 ms returned sat
[2020-05-12 00:39:13] [INFO ] Deduced a trap composed of 24 places in 627 ms
[2020-05-12 00:39:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 669 ms
[2020-05-12 00:39:13] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 114 ms.
[2020-05-12 00:39:32] [INFO ] Added : 305 causal constraints over 61 iterations in 18971 ms. Result :unknown
[2020-05-12 00:39:32] [INFO ] [Real]Absence check using 7 positive place invariants in 61 ms returned sat
[2020-05-12 00:39:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:39:33] [INFO ] [Real]Absence check using state equation in 776 ms returned sat
[2020-05-12 00:39:33] [INFO ] [Real]Added 42 Read/Feed constraints in 86 ms returned sat
[2020-05-12 00:39:35] [INFO ] Deduced a trap composed of 6 places in 2423 ms
[2020-05-12 00:39:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 2492 ms
[2020-05-12 00:39:35] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:39:35] [INFO ] [Nat]Absence check using 7 positive place invariants in 20 ms returned sat
[2020-05-12 00:39:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:39:36] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2020-05-12 00:39:36] [INFO ] [Nat]Added 42 Read/Feed constraints in 56 ms returned sat
[2020-05-12 00:39:36] [INFO ] Deduced a trap composed of 5 places in 797 ms
[2020-05-12 00:39:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 852 ms
[2020-05-12 00:39:37] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 103 ms.
[2020-05-12 00:39:52] [INFO ] Added : 295 causal constraints over 59 iterations in 15500 ms. Result :sat
[2020-05-12 00:39:52] [INFO ] Deduced a trap composed of 25 places in 267 ms
[2020-05-12 00:39:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 704 ms
[2020-05-12 00:39:53] [INFO ] [Real]Absence check using 7 positive place invariants in 30 ms returned unsat
[2020-05-12 00:39:53] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2020-05-12 00:39:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:39:53] [INFO ] [Real]Absence check using state equation in 162 ms returned sat
[2020-05-12 00:39:53] [INFO ] [Real]Added 42 Read/Feed constraints in 31 ms returned sat
[2020-05-12 00:39:53] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:39:53] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2020-05-12 00:39:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:39:53] [INFO ] [Nat]Absence check using state equation in 340 ms returned sat
[2020-05-12 00:39:53] [INFO ] [Nat]Added 42 Read/Feed constraints in 56 ms returned sat
[2020-05-12 00:39:54] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 169 ms.
[2020-05-12 00:40:05] [INFO ] Added : 250 causal constraints over 50 iterations in 11531 ms. Result :sat
[2020-05-12 00:40:05] [INFO ] Deduced a trap composed of 5 places in 194 ms
[2020-05-12 00:40:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 491 ms
[2020-05-12 00:40:06] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-05-12 00:40:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:40:06] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2020-05-12 00:40:06] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:40:06] [INFO ] [Nat]Absence check using 7 positive place invariants in 20 ms returned sat
[2020-05-12 00:40:06] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:40:07] [INFO ] [Nat]Absence check using state equation in 884 ms returned sat
[2020-05-12 00:40:07] [INFO ] [Nat]Added 42 Read/Feed constraints in 468 ms returned sat
[2020-05-12 00:40:07] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 102 ms.
[2020-05-12 00:40:26] [INFO ] Added : 305 causal constraints over 61 iterations in 18621 ms. Result :(error "Solver has unexpectedly terminated")
[2020-05-12 00:40:26] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-05-12 00:40:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:40:26] [INFO ] [Real]Absence check using state equation in 127 ms returned sat
[2020-05-12 00:40:26] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:40:26] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2020-05-12 00:40:26] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:40:26] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2020-05-12 00:40:28] [INFO ] [Nat]Added 42 Read/Feed constraints in 1478 ms returned sat
[2020-05-12 00:40:28] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 169 ms.
[2020-05-12 00:40:46] [INFO ] Added : 285 causal constraints over 57 iterations in 18312 ms. Result :unknown
[2020-05-12 00:40:46] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-05-12 00:40:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:40:46] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2020-05-12 00:40:46] [INFO ] [Real]Added 42 Read/Feed constraints in 44 ms returned sat
[2020-05-12 00:40:46] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:40:46] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2020-05-12 00:40:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:40:46] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2020-05-12 00:40:47] [INFO ] [Nat]Added 42 Read/Feed constraints in 688 ms returned sat
[2020-05-12 00:40:47] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 221 ms.
[2020-05-12 00:41:06] [INFO ] Added : 265 causal constraints over 53 iterations in 19078 ms. Result :(error "Failed to check-sat")
[2020-05-12 00:41:06] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2020-05-12 00:41:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:41:07] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2020-05-12 00:41:07] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:41:07] [INFO ] [Nat]Absence check using 7 positive place invariants in 15 ms returned sat
[2020-05-12 00:41:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:41:07] [INFO ] [Nat]Absence check using state equation in 146 ms returned sat
[2020-05-12 00:41:07] [INFO ] [Nat]Added 42 Read/Feed constraints in 47 ms returned sat
[2020-05-12 00:41:07] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 170 ms.
[2020-05-12 00:41:27] [INFO ] Added : 265 causal constraints over 53 iterations in 19768 ms. Result :unknown
[2020-05-12 00:41:27] [INFO ] [Real]Absence check using 7 positive place invariants in 16 ms returned sat
[2020-05-12 00:41:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:41:27] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2020-05-12 00:41:27] [INFO ] [Real]Added 42 Read/Feed constraints in 29 ms returned sat
[2020-05-12 00:41:27] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:41:27] [INFO ] [Nat]Absence check using 7 positive place invariants in 19 ms returned sat
[2020-05-12 00:41:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:41:27] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2020-05-12 00:41:28] [INFO ] [Nat]Added 42 Read/Feed constraints in 670 ms returned sat
[2020-05-12 00:41:28] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 190 ms.
[2020-05-12 00:41:47] [INFO ] Added : 205 causal constraints over 41 iterations in 19101 ms. Result :unknown
[2020-05-12 00:41:47] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-05-12 00:41:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:41:47] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2020-05-12 00:41:47] [INFO ] [Real]Added 42 Read/Feed constraints in 26 ms returned sat
[2020-05-12 00:41:47] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:41:47] [INFO ] [Nat]Absence check using 7 positive place invariants in 11 ms returned sat
[2020-05-12 00:41:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:41:48] [INFO ] [Nat]Absence check using state equation in 758 ms returned sat
[2020-05-12 00:41:49] [INFO ] [Nat]Added 42 Read/Feed constraints in 1112 ms returned sat
[2020-05-12 00:41:49] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 177 ms.
[2020-05-12 00:42:07] [INFO ] Added : 285 causal constraints over 57 iterations in 18076 ms. Result :unknown
[2020-05-12 00:42:07] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2020-05-12 00:42:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:42:08] [INFO ] [Real]Absence check using state equation in 257 ms returned sat
[2020-05-12 00:42:08] [INFO ] [Real]Added 42 Read/Feed constraints in 40 ms returned sat
[2020-05-12 00:42:08] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:42:08] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2020-05-12 00:42:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:42:08] [INFO ] [Nat]Absence check using state equation in 246 ms returned sat
[2020-05-12 00:42:09] [INFO ] [Nat]Added 42 Read/Feed constraints in 1311 ms returned sat
[2020-05-12 00:42:10] [INFO ] Deduced a trap composed of 5 places in 456 ms
[2020-05-12 00:42:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 534 ms
[2020-05-12 00:42:10] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 102 ms.
[2020-05-12 00:42:28] [INFO ] Added : 285 causal constraints over 57 iterations in 17904 ms. Result :unknown
[2020-05-12 00:42:28] [INFO ] [Real]Absence check using 7 positive place invariants in 11 ms returned sat
[2020-05-12 00:42:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:42:28] [INFO ] [Real]Absence check using state equation in 353 ms returned sat
[2020-05-12 00:42:28] [INFO ] [Real]Added 42 Read/Feed constraints in 45 ms returned sat
[2020-05-12 00:42:28] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:42:28] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2020-05-12 00:42:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:42:28] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2020-05-12 00:42:28] [INFO ] [Nat]Added 42 Read/Feed constraints in 49 ms returned sat
[2020-05-12 00:42:29] [INFO ] Deduced a trap composed of 26 places in 553 ms
[2020-05-12 00:42:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 697 ms
[2020-05-12 00:42:29] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 82 ms.
[2020-05-12 00:42:48] [INFO ] Added : 270 causal constraints over 54 iterations in 19092 ms. Result :(error "Failed to check-sat")
[2020-05-12 00:42:48] [INFO ] [Real]Absence check using 7 positive place invariants in 14 ms returned sat
[2020-05-12 00:42:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:42:49] [INFO ] [Real]Absence check using state equation in 213 ms returned sat
[2020-05-12 00:42:49] [INFO ] [Real]Added 42 Read/Feed constraints in 25 ms returned sat
[2020-05-12 00:42:49] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:42:49] [INFO ] [Nat]Absence check using 7 positive place invariants in 21 ms returned sat
[2020-05-12 00:42:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:42:49] [INFO ] [Nat]Absence check using state equation in 398 ms returned sat
[2020-05-12 00:42:49] [INFO ] [Nat]Added 42 Read/Feed constraints in 379 ms returned sat
[2020-05-12 00:42:50] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 117 ms.
[2020-05-12 00:43:09] [INFO ] Added : 320 causal constraints over 64 iterations in 19169 ms. Result :unknown
[2020-05-12 00:43:09] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned unsat
[2020-05-12 00:43:09] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-05-12 00:43:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:43:09] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2020-05-12 00:43:09] [INFO ] [Real]Added 42 Read/Feed constraints in 83 ms returned sat
[2020-05-12 00:43:09] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:43:09] [INFO ] [Nat]Absence check using 7 positive place invariants in 17 ms returned sat
[2020-05-12 00:43:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:43:09] [INFO ] [Nat]Absence check using state equation in 221 ms returned sat
[2020-05-12 00:43:10] [INFO ] [Nat]Added 42 Read/Feed constraints in 637 ms returned sat
[2020-05-12 00:43:10] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 137 ms.
[2020-05-12 00:43:22] [INFO ] Added : 210 causal constraints over 42 iterations in 12194 ms. Result :sat
[2020-05-12 00:43:22] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-05-12 00:43:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:43:23] [INFO ] [Real]Absence check using state equation in 761 ms returned sat
[2020-05-12 00:43:23] [INFO ] [Real]Added 42 Read/Feed constraints in 92 ms returned sat
[2020-05-12 00:43:23] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:43:23] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2020-05-12 00:43:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:43:23] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2020-05-12 00:43:24] [INFO ] [Nat]Added 42 Read/Feed constraints in 640 ms returned sat
[2020-05-12 00:43:24] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 194 ms.
[2020-05-12 00:43:36] [INFO ] Added : 215 causal constraints over 43 iterations in 11938 ms. Result :sat
[2020-05-12 00:43:36] [INFO ] [Real]Absence check using 7 positive place invariants in 10 ms returned sat
[2020-05-12 00:43:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:43:37] [INFO ] [Real]Absence check using state equation in 697 ms returned sat
[2020-05-12 00:43:37] [INFO ] [Real]Added 42 Read/Feed constraints in 23 ms returned sat
[2020-05-12 00:43:37] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:43:37] [INFO ] [Nat]Absence check using 7 positive place invariants in 18 ms returned sat
[2020-05-12 00:43:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:43:38] [INFO ] [Nat]Absence check using state equation in 1333 ms returned sat
[2020-05-12 00:43:39] [INFO ] [Nat]Added 42 Read/Feed constraints in 731 ms returned sat
[2020-05-12 00:43:39] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 80 ms.
[2020-05-12 00:43:57] [INFO ] Added : 295 causal constraints over 59 iterations in 17881 ms. Result :unknown
[2020-05-12 00:43:57] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat
[2020-05-12 00:43:57] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2020-05-12 00:43:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:43:57] [INFO ] [Real]Absence check using state equation in 274 ms returned sat
[2020-05-12 00:43:57] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:43:57] [INFO ] [Nat]Absence check using 7 positive place invariants in 12 ms returned sat
[2020-05-12 00:43:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:43:57] [INFO ] [Nat]Absence check using state equation in 259 ms returned sat
[2020-05-12 00:43:58] [INFO ] [Nat]Added 42 Read/Feed constraints in 411 ms returned sat
[2020-05-12 00:43:58] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 149 ms.
[2020-05-12 00:44:17] [INFO ] Added : 275 causal constraints over 55 iterations in 19280 ms. Result :(error "Failed to check-sat")
[2020-05-12 00:44:17] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2020-05-12 00:44:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:44:17] [INFO ] [Real]Absence check using state equation in 173 ms returned sat
[2020-05-12 00:44:17] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:44:17] [INFO ] [Nat]Absence check using 7 positive place invariants in 30 ms returned sat
[2020-05-12 00:44:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:44:19] [INFO ] [Nat]Absence check using state equation in 1815 ms returned sat
[2020-05-12 00:44:20] [INFO ] [Nat]Added 42 Read/Feed constraints in 568 ms returned sat
[2020-05-12 00:44:20] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 134 ms.
[2020-05-12 00:44:37] [INFO ] Added : 250 causal constraints over 50 iterations in 17549 ms. Result :unknown
[2020-05-12 00:44:37] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2020-05-12 00:44:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-12 00:44:38] [INFO ] [Real]Absence check using state equation in 128 ms returned sat
[2020-05-12 00:44:38] [INFO ] [Real]Added 42 Read/Feed constraints in 23 ms returned sat
[2020-05-12 00:44:38] [INFO ] Solution in real domain found non-integer solution.
[2020-05-12 00:44:38] [INFO ] [Nat]Absence check using 7 positive place invariants in 16 ms returned sat
[2020-05-12 00:44:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-12 00:44:38] [INFO ] [Nat]Absence check using state equation in 342 ms returned sat
[2020-05-12 00:44:39] [INFO ] [Nat]Added 42 Read/Feed constraints in 627 ms returned sat
[2020-05-12 00:44:39] [INFO ] Computed and/alt/rep : 3725/99059/407 causal constraints in 127 ms.
[2020-05-12 00:44:49] [INFO ] Added : 245 causal constraints over 49 iterations in 10443 ms. Result :sat
Successfully simplified 6 atomic propositions for a total of 6 simplifications.
[2020-05-12 00:44:51] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2020-05-12 00:44:51] [INFO ] Flatten gal took : 1082 ms
[2020-05-12 00:44:52] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2020-05-12 00:44:52] [INFO ] Flatten gal took : 431 ms
FORMULA BridgeAndVehicles-PT-V80P20N20-CTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-05-12 00:44:52] [INFO ] Applying decomposition
[2020-05-12 00:44:52] [INFO ] Flatten gal took : 418 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph10135279328264133679.txt, -o, /tmp/graph10135279328264133679.bin, -w, /tmp/graph10135279328264133679.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph10135279328264133679.bin, -l, -1, -v, -w, /tmp/graph10135279328264133679.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-12 00:44:53] [INFO ] Decomposing Gal with order
[2020-05-12 00:44:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-12 00:44:57] [INFO ] Removed a total of 7271 redundant transitions.
[2020-05-12 00:44:57] [INFO ] Flatten gal took : 2139 ms
[2020-05-12 00:44:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 873 labels/synchronizations in 51 ms.
[2020-05-12 00:44:58] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 6 ms
[2020-05-12 00:44:58] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 110 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl
No direction supplied, using forward translation only.
Parsed 15 CTL formulae.
built 4 ordering constraints for composite.
built 15 ordering constraints for composite.
built 8 ordering constraints for composite.
built 16 ordering constraints for composite.
Detected timeout of ITS tools.
[2020-05-12 01:07:25] [INFO ] Flatten gal took : 448 ms
[2020-05-12 01:07:25] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 72 ms
[2020-05-12 01:07:25] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 138 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl --gen-order FOLLOW
No direction supplied, using forward translation only.
Parsed 15 CTL formulae.
Detected timeout of ITS tools.
[2020-05-12 01:30:04] [INFO ] Flatten gal took : 3382 ms
[2020-05-12 01:30:04] [INFO ] Input system was already deterministic with 3728 transitions.
[2020-05-12 01:30:05] [INFO ] Transformed 198 places.
[2020-05-12 01:30:05] [INFO ] Transformed 3728 transitions.
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/pinvar, /home/mcc/execution/gspn], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : CommandLine [args=[/home/mcc/BenchKit//greatspn//bin/RGMEDD2, /home/mcc/execution/gspn, -META, -varord-only], workingDir=/home/mcc/execution]
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2020-05-12 01:30:06] [INFO ] Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 41 ms
[2020-05-12 01:30:06] [INFO ] Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 177 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl, --load-order, /home/mcc/execution/model.ord, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl --load-order /home/mcc/execution/model.ord --gen-order FOLLOW
Successfully loaded order from file /home/mcc/execution/model.ord
No direction supplied, using forward translation only.
Parsed 15 CTL formulae.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination CTLFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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-V80P20N20"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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-V80P20N20, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r021-oct2-158897699000412"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V80P20N20.tgz
mv BridgeAndVehicles-PT-V80P20N20 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;