About the Execution of ITS-Tools for SquareGrid-PT-080408
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
15897.620 | 1315465.00 | 3141947.00 | 436.50 | ??T????????????? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fko/mcc2019-input.r173-oct2-155297753000024.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2019-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstools
Input is SquareGrid-PT-080408, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r173-oct2-155297753000024
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 676K
-rw-r--r-- 1 mcc users 3.5K Feb 12 18:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 12 18:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 9 02:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 9 02:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 107 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 345 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.4K Feb 5 01:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 11K Feb 5 01:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 4 22:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.8K Feb 4 22:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 4 20:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 4 20:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Feb 1 21:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 1 21:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 4 22:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 4 22:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 equiv_col
-rw-r--r-- 1 mcc users 7 Jan 29 09:35 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 iscolored
-rwxr-xr-x 1 mcc users 505K Mar 10 17:31 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 SquareGrid-PT-080408-LTLCardinality-00
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-01
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-02
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-03
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-04
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-05
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-06
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-07
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-08
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-09
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-10
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-11
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-12
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-13
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-14
FORMULA_NAME SquareGrid-PT-080408-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1553210810829
Working with output stream class java.io.PrintStream
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLCardinality.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLCardinality.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]
its-ltl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLCardinality.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLCardinality.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((G(F("(p4il_5_8>=3)"))))
Formula 0 simplified : !GF"(p4il_5_8>=3)"
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 1056 rows 896 cols
invariant :p4o_7_6 + p4ol_7_6 = 1
invariant :pb1_4_6 + pb2_4_6 + pb3_4_6 + pb4_4_6 + pbl_4_6 = 24
invariant :pb1_2_3 + pb2_2_3 + pb3_2_3 + pb4_2_3 + pbl_2_3 = 24
invariant :p1o_2_4 + p1ol_2_4 = 1
invariant :p1o_4_3 + p1ol_4_3 = 1
invariant :p4o_6_6 + p4ol_6_6 = 1
invariant :p1i_9_7 + p1il_9_7 = 1
invariant :p1o_6_7 + p1ol_6_7 = 1
invariant :p4o_2_9 + p4ol_2_9 = 1
invariant :p1o_8_8 + p1ol_8_8 = 1
invariant :p4i_3_9 + p4il_3_9 = 1
invariant :p4i_7_8 + p4il_7_8 = 1
invariant :p4o_8_8 + p4ol_8_8 = 1
invariant :p4o_6_7 + p4ol_6_7 = 1
invariant :p4o_8_9 + p4ol_8_9 = 1
invariant :p4o_6_9 + p4ol_6_9 = 1
invariant :pb1_3_2 + pb2_3_2 + pb3_3_2 + pb4_3_2 + pbl_3_2 = 24
invariant :p1i_7_1 + p1il_7_1 = 1
invariant :p1o_8_2 + p1ol_8_2 = 1
invariant :p4o_2_4 + p4ol_2_4 = 1
invariant :p1o_3_6 + p1ol_3_6 = 1
invariant :p1i_8_6 + p1il_8_6 = 1
invariant :p4o_1_2 + p4ol_1_2 = 1
invariant :p4o_5_9 + p4ol_5_9 = 1
invariant :pb1_1_5 + pb2_1_5 + pb3_1_5 + pb4_1_5 + pbl_1_5 = 24
invariant :p1o_6_6 + p1ol_6_6 = 1
invariant :p4i_1_9 + p4il_1_9 = 1
invariant :p1i_9_5 + p1il_9_5 = 1
invariant :p1o_2_3 + p1ol_2_3 = 1
invariant :p1i_9_6 + p1il_9_6 = 1
invariant :p1o_9_2 + p1ol_9_2 = 1
invariant :p4i_1_7 + p4il_1_7 = 1
invariant :pb1_1_4 + pb2_1_4 + pb3_1_4 + pb4_1_4 + pbl_1_4 = 24
invariant :p1i_3_1 + p1il_3_1 = 1
invariant :p4o_7_8 + p4ol_7_8 = 1
invariant :pb1_3_7 + pb2_3_7 + pb3_3_7 + pb4_3_7 + pbl_3_7 = 24
invariant :pb1_8_1 + pb2_8_1 + pb3_8_1 + pb4_8_1 + pbl_8_1 = 24
invariant :pb1_4_4 + pb2_4_4 + pb3_4_4 + pb4_4_4 + pbl_4_4 = 24
invariant :p4o_3_5 + p4ol_3_5 = 1
invariant :p1i_2_8 + p1il_2_8 = 1
invariant :p4o_4_6 + p4ol_4_6 = 1
invariant :p4i_4_4 + p4il_4_4 = 1
invariant :p1o_3_3 + p1ol_3_3 = 1
invariant :p4o_6_4 + p4ol_6_4 = 1
invariant :p4o_1_4 + p4ol_1_4 = 1
invariant :p1o_9_4 + p1ol_9_4 = 1
invariant :p4i_5_6 + p4il_5_6 = 1
invariant :p1o_7_6 + p1ol_7_6 = 1
invariant :p1i_7_7 + p1il_7_7 = 1
invariant :p1i_4_6 + p1il_4_6 = 1
invariant :p1i_3_2 + p1il_3_2 = 1
invariant :p4i_6_9 + p4il_6_9 = 1
invariant :p4o_5_8 + p4ol_5_8 = 1
invariant :p4i_2_2 + p4il_2_2 = 1
invariant :p4i_4_5 + p4il_4_5 = 1
invariant :p4o_8_6 + p4ol_8_6 = 1
invariant :p1i_1_4 + p1il_1_4 = 1
invariant :p1o_1_7 + p1ol_1_7 = 1
invariant :p4i_8_2 + p4il_8_2 = 1
invariant :p4o_2_7 + p4ol_2_7 = 1
invariant :p4o_5_7 + p4ol_5_7 = 1
invariant :pb1_8_2 + pb2_8_2 + pb3_8_2 + pb4_8_2 + pbl_8_2 = 24
invariant :p1i_4_1 + p1il_4_1 = 1
invariant :p1o_6_5 + p1ol_6_5 = 1
invariant :p4i_6_1 + p4il_6_1 = 1
invariant :p1i_8_4 + p1il_8_4 = 1
invariant :p1i_6_2 + p1il_6_2 = 1
invariant :p4o_2_3 + p4ol_2_3 = 1
invariant :pb1_1_6 + pb2_1_6 + pb3_1_6 + pb4_1_6 + pbl_1_6 = 24
invariant :p1o_4_7 + p1ol_4_7 = 1
invariant :pb1_2_8 + pb2_2_8 + pb3_2_8 + pb4_2_8 + pbl_2_8 = 24
invariant :pb1_5_3 + pb2_5_3 + pb3_5_3 + pb4_5_3 + pbl_5_3 = 24
invariant :p1i_9_2 + p1il_9_2 = 1
invariant :p1il_1_1 + p1il_1_2 + p1il_1_3 + p1il_1_4 + p1il_1_5 + p1il_1_6 + p1il_1_7 + p1il_1_8 + p1il_2_1 + p1il_2_2 + p1il_2_3 + p1il_2_4 + p1il_2_5 + p1il_2_6 + p1il_2_7 + p1il_2_8 + p1il_3_1 + p1il_3_2 + p1il_3_3 + p1il_3_4 + p1il_3_5 + p1il_3_6 + p1il_3_7 + p1il_3_8 + p1il_4_1 + p1il_4_2 + p1il_4_3 + p1il_4_4 + p1il_4_5 + p1il_4_6 + p1il_4_7 + p1il_4_8 + p1il_5_1 + p1il_5_2 + p1il_5_3 + p1il_5_4 + p1il_5_5 + p1il_5_6 + p1il_5_7 + p1il_5_8 + p1il_6_1 + p1il_6_2 + p1il_6_3 + p1il_6_4 + p1il_6_5 + p1il_6_6 + p1il_6_7 + p1il_6_8 + p1il_7_1 + p1il_7_2 + p1il_7_3 + p1il_7_4 + p1il_7_5 + p1il_7_6 + p1il_7_7 + p1il_7_8 + p1il_8_1 + p1il_8_2 + p1il_8_3 + p1il_8_4 + p1il_8_5 + p1il_8_6 + p1il_8_7 + p1il_8_8 + p1il_9_1 + p1il_9_2 + p1il_9_3 + p1il_9_4 + p1il_9_5 + p1il_9_6 + p1il_9_7 + p1il_9_8 + p1ol_1_1 + p1ol_1_2 + p1ol_1_3 + p1ol_1_4 + p1ol_1_5 + p1ol_1_6 + p1ol_1_7 + p1ol_1_8 + p1ol_2_1 + p1ol_2_2 + p1ol_2_3 + p1ol_2_4 + p1ol_2_5 + p1ol_2_6 + p1ol_2_7 + p1ol_2_8 + p1ol_3_1 + p1ol_3_2 + p1ol_3_3 + p1ol_3_4 + p1ol_3_5 + p1ol_3_6 + p1ol_3_7 + p1ol_3_8 + p1ol_4_1 + p1ol_4_2 + p1ol_4_3 + p1ol_4_4 + p1ol_4_5 + p1ol_4_6 + p1ol_4_7 + p1ol_4_8 + p1ol_5_1 + p1ol_5_2 + p1ol_5_3 + p1ol_5_4 + p1ol_5_5 + p1ol_5_6 + p1ol_5_7 + p1ol_5_8 + p1ol_6_1 + p1ol_6_2 + p1ol_6_3 + p1ol_6_4 + p1ol_6_5 + p1ol_6_6 + p1ol_6_7 + p1ol_6_8 + p1ol_7_1 + p1ol_7_2 + p1ol_7_3 + p1ol_7_4 + p1ol_7_5 + p1ol_7_6 + p1ol_7_7 + p1ol_7_8 + p1ol_8_1 + p1ol_8_2 + p1ol_8_3 + p1ol_8_4 + p1ol_8_5 + p1ol_8_6 + p1ol_8_7 + p1ol_8_8 + p1ol_9_1 + p1ol_9_2 + p1ol_9_3 + p1ol_9_4 + p1ol_9_5 + p1ol_9_6 + p1ol_9_7 + p1ol_9_8 + p4il_1_1 + p4il_1_2 + p4il_1_3 + p4il_1_4 + p4il_1_5 + p4il_1_6 + p4il_1_7 + p4il_1_8 + p4il_1_9 + p4il_2_1 + p4il_2_2 + p4il_2_3 + p4il_2_4 + p4il_2_5 + p4il_2_6 + p4il_2_7 + p4il_2_8 + p4il_2_9 + p4il_3_1 + p4il_3_2 + p4il_3_3 + p4il_3_4 + p4il_3_5 + p4il_3_6 + p4il_3_7 + p4il_3_8 + p4il_3_9 + p4il_4_1 + p4il_4_2 + p4il_4_3 + p4il_4_4 + p4il_4_5 + p4il_4_6 + p4il_4_7 + p4il_4_8 + p4il_4_9 + p4il_5_1 + p4il_5_2 + p4il_5_3 + p4il_5_4 + p4il_5_5 + p4il_5_6 + p4il_5_7 + p4il_5_8 + p4il_5_9 + p4il_6_1 + p4il_6_2 + p4il_6_3 + p4il_6_4 + p4il_6_5 + p4il_6_6 + p4il_6_7 + p4il_6_8 + p4il_6_9 + p4il_7_1 + p4il_7_2 + p4il_7_3 + p4il_7_4 + p4il_7_5 + p4il_7_6 + p4il_7_7 + p4il_7_8 + p4il_7_9 + p4il_8_1 + p4il_8_2 + p4il_8_3 + p4il_8_4 + p4il_8_5 + p4il_8_6 + p4il_8_7 + p4il_8_8 + p4il_8_9 + p4ol_1_1 + p4ol_1_2 + p4ol_1_3 + p4ol_1_4 + p4ol_1_5 + p4ol_1_6 + p4ol_1_7 + p4ol_1_8 + p4ol_1_9 + p4ol_2_1 + p4ol_2_2 + p4ol_2_3 + p4ol_2_4 + p4ol_2_5 + p4ol_2_6 + p4ol_2_7 + p4ol_2_8 + p4ol_2_9 + p4ol_3_1 + p4ol_3_2 + p4ol_3_3 + p4ol_3_4 + p4ol_3_5 + p4ol_3_6 + p4ol_3_7 + p4ol_3_8 + p4ol_3_9 + p4ol_4_1 + p4ol_4_2 + p4ol_4_3 + p4ol_4_4 + p4ol_4_5 + p4ol_4_6 + p4ol_4_7 + p4ol_4_8 + p4ol_4_9 + p4ol_5_1 + p4ol_5_2 + p4ol_5_3 + p4ol_5_4 + p4ol_5_5 + p4ol_5_6 + p4ol_5_7 + p4ol_5_8 + p4ol_5_9 + p4ol_6_1 + p4ol_6_2 + p4ol_6_3 + p4ol_6_4 + p4ol_6_5 + p4ol_6_6 + p4ol_6_7 + p4ol_6_8 + p4ol_6_9 + p4ol_7_1 + p4ol_7_2 + p4ol_7_3 + p4ol_7_4 + p4ol_7_5 + p4ol_7_6 + p4ol_7_7 + p4ol_7_8 + p4ol_7_9 + p4ol_8_1 + p4ol_8_2 + p4ol_8_3 + p4ol_8_4 + p4ol_8_5 + p4ol_8_6 + p4ol_8_7 + p4ol_8_8 + p4ol_8_9 + pbl_1_1 + pbl_1_2 + pbl_1_3 + pbl_1_4 + pbl_1_5 + pbl_1_6 + pbl_1_7 + pbl_1_8 + pbl_2_1 + pbl_2_2 + pbl_2_3 + pbl_2_4 + pbl_2_5 + pbl_2_6 + pbl_2_7 + pbl_2_8 + pbl_3_1 + pbl_3_2 + pbl_3_3 + pbl_3_4 + pbl_3_5 + pbl_3_6 + pbl_3_7 + pbl_3_8 + pbl_4_1 + pbl_4_2 + pbl_4_3 + pbl_4_4 + pbl_4_5 + pbl_4_6 + pbl_4_7 + pbl_4_8 + pbl_5_1 + pbl_5_2 + pbl_5_3 + pbl_5_4 + pbl_5_5 + pbl_5_6 + pbl_5_7 + pbl_5_8 + pbl_6_1 + pbl_6_2 + pbl_6_3 + pbl_6_4 + pbl_6_5 + pbl_6_6 + pbl_6_7 + pbl_6_8 + pbl_7_1 + pbl_7_2 + pbl_7_3 + pbl_7_4 + pbl_7_5 + pbl_7_6 + pbl_7_7 + pbl_7_8 + pbl_8_1 + pbl_8_2 + pbl_8_3 + pbl_8_4 + pbl_8_5 + pbl_8_6 + pbl_8_7 + pbl_8_8 = 800
invariant :p4i_1_3 + p4il_1_3 = 1
invariant :p1i_7_4 + p1il_7_4 = 1
invariant :pb1_3_5 + pb2_3_5 + pb3_3_5 + pb4_3_5 + pbl_3_5 = 24
invariant :p1o_9_8 + p1ol_9_8 = 1
invariant :p4i_6_7 + p4il_6_7 = 1
invariant :p1o_1_5 + p1ol_1_5 = 1
invariant :pb1_3_6 + pb2_3_6 + pb3_3_6 + pb4_3_6 + pbl_3_6 = 24
invariant :p4i_5_4 + p4il_5_4 = 1
invariant :pb1_8_5 + pb2_8_5 + pb3_8_5 + pb4_8_5 + pbl_8_5 = 24
invariant :p4o_5_2 + p4ol_5_2 = 1
invariant :p4i_2_5 + p4il_2_5 = 1
invariant :p4o_1_3 + p4ol_1_3 = 1
invariant :p4i_1_4 + p4il_1_4 = 1
invariant :p1i_2_4 + p1il_2_4 = 1
invariant :pb1_5_5 + pb2_5_5 + pb3_5_5 + pb4_5_5 + pbl_5_5 = 24
invariant :p4o_1_5 + p4ol_1_5 = 1
invariant :pb1_6_6 + pb2_6_6 + pb3_6_6 + pb4_6_6 + pbl_6_6 = 24
invariant :p4o_4_3 + p4ol_4_3 = 1
invariant :p4o_6_8 + p4ol_6_8 = 1
invariant :p1o_1_4 + p1ol_1_4 = 1
invariant :p4o_8_4 + p4ol_8_4 = 1
invariant :p4i_6_2 + p4il_6_2 = 1
invariant :p1i_8_1 + p1il_8_1 = 1
invariant :p1o_7_4 + p1ol_7_4 = 1
invariant :p4i_6_6 + p4il_6_6 = 1
invariant :p4i_4_6 + p4il_4_6 = 1
invariant :p4o_5_6 + p4ol_5_6 = 1
invariant :p1i_6_4 + p1il_6_4 = 1
invariant :p4i_8_6 + p4il_8_6 = 1
invariant :p1o_9_6 + p1ol_9_6 = 1
invariant :p4i_1_8 + p4il_1_8 = 1
invariant :pb1_6_8 + pb2_6_8 + pb3_6_8 + pb4_6_8 + pbl_6_8 = 24
invariant :pb1_4_5 + pb2_4_5 + pb3_4_5 + pb4_4_5 + pbl_4_5 = 24
invariant :p1o_8_5 + p1ol_8_5 = 1
invariant :p1i_4_7 + p1il_4_7 = 1
invariant :p1o_5_7 + p1ol_5_7 = 1
invariant :p4i_4_9 + p4il_4_9 = 1
invariant :p4i_5_5 + p4il_5_5 = 1
invariant :p1o_5_5 + p1ol_5_5 = 1
invariant :p4o_4_2 + p4ol_4_2 = 1
invariant :p1i_3_6 + p1il_3_6 = 1
invariant :pb1_7_1 + pb2_7_1 + pb3_7_1 + pb4_7_1 + pbl_7_1 = 24
invariant :p1o_5_1 + p1ol_5_1 = 1
invariant :p4i_7_2 + p4il_7_2 = 1
invariant :p4i_3_8 + p4il_3_8 = 1
invariant :p1o_6_2 + p1ol_6_2 = 1
invariant :p1o_3_4 + p1ol_3_4 = 1
invariant :pb1_6_5 + pb2_6_5 + pb3_6_5 + pb4_6_5 + pbl_6_5 = 24
invariant :pb1_5_4 + pb2_5_4 + pb3_5_4 + pb4_5_4 + pbl_5_4 = 24
invariant :p4i_3_5 + p4il_3_5 = 1
invariant :p1o_2_1 + p1ol_2_1 = 1
invariant :pb1_3_1 + pb2_3_1 + pb3_3_1 + pb4_3_1 + pbl_3_1 = 24
invariant :pb1_1_3 + pb2_1_3 + pb3_1_3 + pb4_1_3 + pbl_1_3 = 24
invariant :p1o_8_6 + p1ol_8_6 = 1
invariant :pb1_7_3 + pb2_7_3 + pb3_7_3 + pb4_7_3 + pbl_7_3 = 24
invariant :p4o_1_8 + p4ol_1_8 = 1
invariant :p4o_7_2 + p4ol_7_2 = 1
invariant :p1o_9_3 + p1ol_9_3 = 1
invariant :p4i_7_7 + p4il_7_7 = 1
invariant :pb1_6_3 + pb2_6_3 + pb3_6_3 + pb4_6_3 + pbl_6_3 = 24
invariant :p4i_3_6 + p4il_3_6 = 1
invariant :p1o_8_7 + p1ol_8_7 = 1
invariant :pb1_5_7 + pb2_5_7 + pb3_5_7 + pb4_5_7 + pbl_5_7 = 24
invariant :p1i_5_1 + p1il_5_1 = 1
invariant :pb1_8_6 + pb2_8_6 + pb3_8_6 + pb4_8_6 + pbl_8_6 = 24
invariant :p1i_2_3 + p1il_2_3 = 1
invariant :p1i_1_3 + p1il_1_3 = 1
invariant :p1o_5_2 + p1ol_5_2 = 1
invariant :p4i_8_5 + p4il_8_5 = 1
invariant :p1i_4_3 + p1il_4_3 = 1
invariant :p4o_7_4 + p4ol_7_4 = 1
invariant :p1i_5_3 + p1il_5_3 = 1
invariant :p1i_5_6 + p1il_5_6 = 1
invariant :p1i_6_3 + p1il_6_3 = 1
invariant :p1i_2_7 + p1il_2_7 = 1
invariant :p1o_2_2 + p1ol_2_2 = 1
invariant :p1i_8_3 + p1il_8_3 = 1
invariant :p4o_3_8 + p4ol_3_8 = 1
invariant :p4o_6_1 + p4ol_6_1 = 1
invariant :p1o_1_6 + p1ol_1_6 = 1
invariant :p4o_1_6 + p4ol_1_6 = 1
invariant :p4i_2_7 + p4il_2_7 = 1
invariant :pb1_4_8 + pb2_4_8 + pb3_4_8 + pb4_4_8 + pbl_4_8 = 24
invariant :p1i_9_3 + p1il_9_3 = 1
invariant :p1o_9_1 + p1ol_9_1 = 1
invariant :p4o_5_4 + p4ol_5_4 = 1
invariant :pb1_7_4 + pb2_7_4 + pb3_7_4 + pb4_7_4 + pbl_7_4 = 24
invariant :p4i_3_4 + p4il_3_4 = 1
invariant :p4o_3_9 + p4ol_3_9 = 1
invariant :p4i_8_8 + p4il_8_8 = 1
invariant :p4o_7_7 + p4ol_7_7 = 1
invariant :p1o_4_1 + p1ol_4_1 = 1
invariant :p4o_3_1 + p4ol_3_1 = 1
invariant :pb1_1_1 + pb2_1_1 + pb3_1_1 + pb4_1_1 + pbl_1_1 = 24
invariant :p4i_2_8 + p4il_2_8 = 1
invariant :p1o_3_7 + p1ol_3_7 = 1
invariant :pb1_7_8 + pb2_7_8 + pb3_7_8 + pb4_7_8 + pbl_7_8 = 24
invariant :p1i_2_5 + p1il_2_5 = 1
invariant :p1i_9_1 + p1il_9_1 = 1
invariant :pb1_2_4 + pb2_2_4 + pb3_2_4 + pb4_2_4 + pbl_2_4 = 24
invariant :p4i_4_2 + p4il_4_2 = 1
invariant :pb1_7_5 + pb2_7_5 + pb3_7_5 + pb4_7_5 + pbl_7_5 = 24
invariant :p1i_1_6 + p1il_1_6 = 1
invariant :p4o_6_2 + p4ol_6_2 = 1
invariant :p4o_4_7 + p4ol_4_7 = 1
invariant :p1o_7_7 + p1ol_7_7 = 1
invariant :p1i_6_8 + p1il_6_8 = 1
invariant :p4i_7_6 + p4il_7_6 = 1
invariant :pb1_8_7 + pb2_8_7 + pb3_8_7 + pb4_8_7 + pbl_8_7 = 24
invariant :pb1_5_8 + pb2_5_8 + pb3_5_8 + pb4_5_8 + pbl_5_8 = 24
invariant :pb1_2_6 + pb2_2_6 + pb3_2_6 + pb4_2_6 + pbl_2_6 = 24
invariant :p4o_8_5 + p4ol_8_5 = 1
invariant :p4o_4_1 + p4ol_4_1 = 1
invariant :p1o_4_6 + p1ol_4_6 = 1
invariant :p4o_3_7 + p4ol_3_7 = 1
invariant :p4i_1_5 + p4il_1_5 = 1
invariant :p1i_2_6 + -1'p1il_1_1 + -1'p1il_1_2 + -1'p1il_1_3 + -1'p1il_1_4 + -1'p1il_1_5 + -1'p1il_1_6 + -1'p1il_1_7 + -1'p1il_1_8 + -1'p1il_2_1 + -1'p1il_2_2 + -1'p1il_2_3 + -1'p1il_2_4 + -1'p1il_2_5 + -1'p1il_2_7 + -1'p1il_2_8 + -1'p1il_3_1 + -1'p1il_3_2 + -1'p1il_3_3 + -1'p1il_3_4 + -1'p1il_3_5 + -1'p1il_3_6 + -1'p1il_3_7 + -1'p1il_3_8 + -1'p1il_4_1 + -1'p1il_4_2 + -1'p1il_4_3 + -1'p1il_4_4 + -1'p1il_4_5 + -1'p1il_4_6 + -1'p1il_4_7 + -1'p1il_4_8 + -1'p1il_5_1 + -1'p1il_5_2 + -1'p1il_5_3 + -1'p1il_5_4 + -1'p1il_5_5 + -1'p1il_5_6 + -1'p1il_5_7 + -1'p1il_5_8 + -1'p1il_6_1 + -1'p1il_6_2 + -1'p1il_6_3 + -1'p1il_6_4 + -1'p1il_6_5 + -1'p1il_6_6 + -1'p1il_6_7 + -1'p1il_6_8 + -1'p1il_7_1 + -1'p1il_7_2 + -1'p1il_7_3 + -1'p1il_7_4 + -1'p1il_7_5 + -1'p1il_7_6 + -1'p1il_7_7 + -1'p1il_7_8 + -1'p1il_8_1 + -1'p1il_8_2 + -1'p1il_8_3 + -1'p1il_8_4 + -1'p1il_8_5 + -1'p1il_8_6 + -1'p1il_8_7 + -1'p1il_8_8 + -1'p1il_9_1 + -1'p1il_9_2 + -1'p1il_9_3 + -1'p1il_9_4 + -1'p1il_9_5 + -1'p1il_9_6 + -1'p1il_9_7 + -1'p1il_9_8 + -1'p1ol_1_1 + -1'p1ol_1_2 + -1'p1ol_1_3 + -1'p1ol_1_4 + -1'p1ol_1_5 + -1'p1ol_1_6 + -1'p1ol_1_7 + -1'p1ol_1_8 + -1'p1ol_2_1 + -1'p1ol_2_2 + -1'p1ol_2_3 + -1'p1ol_2_4 + -1'p1ol_2_5 + -1'p1ol_2_6 + -1'p1ol_2_7 + -1'p1ol_2_8 + -1'p1ol_3_1 + -1'p1ol_3_2 + -1'p1ol_3_3 + -1'p1ol_3_4 + -1'p1ol_3_5 + -1'p1ol_3_6 + -1'p1ol_3_7 + -1'p1ol_3_8 + -1'p1ol_4_1 + -1'p1ol_4_2 + -1'p1ol_4_3 + -1'p1ol_4_4 + -1'p1ol_4_5 + -1'p1ol_4_6 + -1'p1ol_4_7 + -1'p1ol_4_8 + -1'p1ol_5_1 + -1'p1ol_5_2 + -1'p1ol_5_3 + -1'p1ol_5_4 + -1'p1ol_5_5 + -1'p1ol_5_6 + -1'p1ol_5_7 + -1'p1ol_5_8 + -1'p1ol_6_1 + -1'p1ol_6_2 + -1'p1ol_6_3 + -1'p1ol_6_4 + -1'p1ol_6_5 + -1'p1ol_6_6 + -1'p1ol_6_7 + -1'p1ol_6_8 + -1'p1ol_7_1 + -1'p1ol_7_2 + -1'p1ol_7_3 + -1'p1ol_7_4 + -1'p1ol_7_5 + -1'p1ol_7_6 + -1'p1ol_7_7 + -1'p1ol_7_8 + -1'p1ol_8_1 + -1'p1ol_8_2 + -1'p1ol_8_3 + -1'p1ol_8_4 + -1'p1ol_8_5 + -1'p1ol_8_6 + -1'p1ol_8_7 + -1'p1ol_8_8 + -1'p1ol_9_1 + -1'p1ol_9_2 + -1'p1ol_9_3 + -1'p1ol_9_4 + -1'p1ol_9_5 + -1'p1ol_9_6 + -1'p1ol_9_7 + -1'p1ol_9_8 + -1'p4il_1_1 + -1'p4il_1_2 + -1'p4il_1_3 + -1'p4il_1_4 + -1'p4il_1_5 + -1'p4il_1_6 + -1'p4il_1_7 + -1'p4il_1_8 + -1'p4il_1_9 + -1'p4il_2_1 + -1'p4il_2_2 + -1'p4il_2_3 + -1'p4il_2_4 + -1'p4il_2_5 + -1'p4il_2_6 + -1'p4il_2_7 + -1'p4il_2_8 + -1'p4il_2_9 + -1'p4il_3_1 + -1'p4il_3_2 + -1'p4il_3_3 + -1'p4il_3_4 + -1'p4il_3_5 + -1'p4il_3_6 + -1'p4il_3_7 + -1'p4il_3_8 + -1'p4il_3_9 + -1'p4il_4_1 + -1'p4il_4_2 + -1'p4il_4_3 + -1'p4il_4_4 + -1'p4il_4_5 + -1'p4il_4_6 + -1'p4il_4_7 + -1'p4il_4_8 + -1'p4il_4_9 + -1'p4il_5_1 + -1'p4il_5_2 + -1'p4il_5_3 + -1'p4il_5_4 + -1'p4il_5_5 + -1'p4il_5_6 + -1'p4il_5_7 + -1'p4il_5_8 + -1'p4il_5_9 + -1'p4il_6_1 + -1'p4il_6_2 + -1'p4il_6_3 + -1'p4il_6_4 + -1'p4il_6_5 + -1'p4il_6_6 + -1'p4il_6_7 + -1'p4il_6_8 + -1'p4il_6_9 + -1'p4il_7_1 + -1'p4il_7_2 + -1'p4il_7_3 + -1'p4il_7_4 + -1'p4il_7_5 + -1'p4il_7_6 + -1'p4il_7_7 + -1'p4il_7_8 + -1'p4il_7_9 + -1'p4il_8_1 + -1'p4il_8_2 + -1'p4il_8_3 + -1'p4il_8_4 + -1'p4il_8_5 + -1'p4il_8_6 + -1'p4il_8_7 + -1'p4il_8_8 + -1'p4il_8_9 + -1'p4ol_1_1 + -1'p4ol_1_2 + -1'p4ol_1_3 + -1'p4ol_1_4 + -1'p4ol_1_5 + -1'p4ol_1_6 + -1'p4ol_1_7 + -1'p4ol_1_8 + -1'p4ol_1_9 + -1'p4ol_2_1 + -1'p4ol_2_2 + -1'p4ol_2_3 + -1'p4ol_2_4 + -1'p4ol_2_5 + -1'p4ol_2_6 + -1'p4ol_2_7 + -1'p4ol_2_8 + -1'p4ol_2_9 + -1'p4ol_3_1 + -1'p4ol_3_2 + -1'p4ol_3_3 + -1'p4ol_3_4 + -1'p4ol_3_5 + -1'p4ol_3_6 + -1'p4ol_3_7 + -1'p4ol_3_8 + -1'p4ol_3_9 + -1'p4ol_4_1 + -1'p4ol_4_2 + -1'p4ol_4_3 + -1'p4ol_4_4 + -1'p4ol_4_5 + -1'p4ol_4_6 + -1'p4ol_4_7 + -1'p4ol_4_8 + -1'p4ol_4_9 + -1'p4ol_5_1 + -1'p4ol_5_2 + -1'p4ol_5_3 + -1'p4ol_5_4 + -1'p4ol_5_5 + -1'p4ol_5_6 + -1'p4ol_5_7 + -1'p4ol_5_8 + -1'p4ol_5_9 + -1'p4ol_6_1 + -1'p4ol_6_2 + -1'p4ol_6_3 + -1'p4ol_6_4 + -1'p4ol_6_5 + -1'p4ol_6_6 + -1'p4ol_6_7 + -1'p4ol_6_8 + -1'p4ol_6_9 + -1'p4ol_7_1 + -1'p4ol_7_2 + -1'p4ol_7_3 + -1'p4ol_7_4 + -1'p4ol_7_5 + -1'p4ol_7_6 + -1'p4ol_7_7 + -1'p4ol_7_8 + -1'p4ol_7_9 + -1'p4ol_8_1 + -1'p4ol_8_2 + -1'p4ol_8_3 + -1'p4ol_8_4 + -1'p4ol_8_5 + -1'p4ol_8_6 + -1'p4ol_8_7 + -1'p4ol_8_8 + -1'p4ol_8_9 + -1'pbl_1_1 + -1'pbl_1_2 + -1'pbl_1_3 + -1'pbl_1_4 + -1'pbl_1_5 + -1'pbl_1_6 + -1'pbl_1_7 + -1'pbl_1_8 + -1'pbl_2_1 + -1'pbl_2_2 + -1'pbl_2_3 + -1'pbl_2_4 + -1'pbl_2_5 + -1'pbl_2_6 + -1'pbl_2_7 + -1'pbl_2_8 + -1'pbl_3_1 + -1'pbl_3_2 + -1'pbl_3_3 + -1'pbl_3_4 + -1'pbl_3_5 + -1'pbl_3_6 + -1'pbl_3_7 + -1'pbl_3_8 + -1'pbl_4_1 + -1'pbl_4_2 + -1'pbl_4_3 + -1'pbl_4_4 + -1'pbl_4_5 + -1'pbl_4_6 + -1'pbl_4_7 + -1'pbl_4_8 + -1'pbl_5_1 + -1'pbl_5_2 + -1'pbl_5_3 + -1'pbl_5_4 + -1'pbl_5_5 + -1'pbl_5_6 + -1'pbl_5_7 + -1'pbl_5_8 + -1'pbl_6_1 + -1'pbl_6_2 + -1'pbl_6_3 + -1'pbl_6_4 + -1'pbl_6_5 + -1'pbl_6_6 + -1'pbl_6_7 + -1'pbl_6_8 + -1'pbl_7_1 + -1'pbl_7_2 + -1'pbl_7_3 + -1'pbl_7_4 + -1'pbl_7_5 + -1'pbl_7_6 + -1'pbl_7_7 + -1'pbl_7_8 + -1'pbl_8_1 + -1'pbl_8_2 + -1'pbl_8_3 + -1'pbl_8_4 + -1'pbl_8_5 + -1'pbl_8_6 + -1'pbl_8_7 + -1'pbl_8_8 = -799
invariant :p1o_9_5 + p1ol_9_5 = 1
invariant :p4o_8_1 + p4ol_8_1 = 1
invariant :p4i_7_9 + p4il_7_9 = 1
invariant :pb1_3_3 + pb2_3_3 + pb3_3_3 + pb4_3_3 + pbl_3_3 = 24
invariant :p1o_3_2 + p1ol_3_2 = 1
invariant :p4i_5_9 + p4il_5_9 = 1
invariant :pb1_7_7 + pb2_7_7 + pb3_7_7 + pb4_7_7 + pbl_7_7 = 24
invariant :p1i_3_5 + p1il_3_5 = 1
invariant :p4o_7_3 + p4ol_7_3 = 1
invariant :p1o_4_5 + p1ol_4_5 = 1
invariant :p1o_8_1 + p1ol_8_1 = 1
invariant :p1o_5_3 + p1ol_5_3 = 1
invariant :p1o_7_1 + p1ol_7_1 = 1
invariant :p1o_3_5 + p1ol_3_5 = 1
invariant :pb1_1_8 + pb2_1_8 + pb3_1_8 + pb4_1_8 + pbl_1_8 = 24
invariant :pb1_6_2 + pb2_6_2 + pb3_6_2 + pb4_6_2 + pbl_6_2 = 24
invariant :p1o_2_8 + p1ol_2_8 = 1
invariant :p1o_2_5 + p1ol_2_5 = 1
invariant :p4i_4_3 + p4il_4_3 = 1
invariant :pb1_6_7 + pb2_6_7 + pb3_6_7 + pb4_6_7 + pbl_6_7 = 24
invariant :p4i_3_3 + p4il_3_3 = 1
invariant :p4i_8_3 + p4il_8_3 = 1
invariant :p4i_3_1 + p4il_3_1 = 1
invariant :p4o_2_5 + p4ol_2_5 = 1
invariant :p4i_2_9 + p4il_2_9 = 1
invariant :p1o_1_8 + p1ol_1_8 = 1
invariant :p1i_6_6 + p1il_6_6 = 1
invariant :p4o_2_2 + p4ol_2_2 = 1
invariant :pb1_6_1 + pb2_6_1 + pb3_6_1 + pb4_6_1 + pbl_6_1 = 24
invariant :p1i_1_7 + p1il_1_7 = 1
invariant :p1i_8_8 + p1il_8_8 = 1
invariant :p1i_8_5 + p1il_8_5 = 1
invariant :p4o_2_8 + p4ol_2_8 = 1
invariant :p4o_7_9 + p4ol_7_9 = 1
invariant :p1o_1_1 + p1ol_1_1 = 1
invariant :pb1_4_7 + pb2_4_7 + pb3_4_7 + pb4_4_7 + pbl_4_7 = 24
invariant :p4o_1_1 + p4ol_1_1 = 1
invariant :p4i_6_3 + p4il_6_3 = 1
invariant :p4i_7_3 + p4il_7_3 = 1
invariant :p4i_5_3 + p4il_5_3 = 1
invariant :p1i_9_8 + p1il_9_8 = 1
invariant :p1o_6_8 + p1ol_6_8 = 1
invariant :p4o_8_2 + p4ol_8_2 = 1
invariant :pb1_6_4 + pb2_6_4 + pb3_6_4 + pb4_6_4 + pbl_6_4 = 24
invariant :p1i_4_4 + p1il_4_4 = 1
invariant :p1i_2_1 + p1il_2_1 = 1
invariant :p1i_7_5 + p1il_7_5 = 1
invariant :p4i_3_2 + p4il_3_2 = 1
invariant :pb1_1_7 + pb2_1_7 + pb3_1_7 + pb4_1_7 + pbl_1_7 = 24
invariant :p1i_2_2 + p1il_2_2 = 1
invariant :p4i_2_3 + p4il_2_3 = 1
invariant :p1o_1_3 + p1ol_1_3 = 1
invariant :p1o_5_4 + p1ol_5_4 = 1
invariant :p1o_7_5 + p1ol_7_5 = 1
invariant :pb1_5_2 + pb2_5_2 + pb3_5_2 + pb4_5_2 + pbl_5_2 = 24
invariant :p1o_7_8 + p1ol_7_8 = 1
invariant :p1i_4_8 + p1il_4_8 = 1
invariant :pb1_2_2 + pb2_2_2 + pb3_2_2 + pb4_2_2 + pbl_2_2 = 24
invariant :p1i_6_7 + p1il_6_7 = 1
invariant :p4o_2_6 + p4ol_2_6 = 1
invariant :p4i_4_1 + p4il_4_1 = 1
invariant :p4i_8_4 + p4il_8_4 = 1
invariant :p1i_1_1 + p1il_1_1 = 1
invariant :p4i_8_9 + p4il_8_9 = 1
invariant :p1o_6_4 + p1ol_6_4 = 1
invariant :p4i_2_4 + p4il_2_4 = 1
invariant :p4i_1_2 + p4il_1_2 = 1
invariant :p4o_4_5 + p4ol_4_5 = 1
invariant :p4o_5_3 + p4ol_5_3 = 1
invariant :pb1_4_3 + pb2_4_3 + pb3_4_3 + pb4_4_3 + pbl_4_3 = 24
invariant :p1o_4_4 + p1ol_4_4 = 1
invariant :pb1_3_8 + pb2_3_8 + pb3_3_8 + pb4_3_8 + pbl_3_8 = 24
invariant :p4i_7_5 + p4il_7_5 = 1
invariant :p4o_8_3 + p4ol_8_3 = 1
invariant :p1o_7_2 + p1ol_7_2 = 1
invariant :p4i_1_6 + p4il_1_6 = 1
invariant :p1i_3_8 + p1il_3_8 = 1
invariant :p1i_9_4 + p1il_9_4 = 1
invariant :pb1_4_2 + pb2_4_2 + pb3_4_2 + pb4_4_2 + pbl_4_2 = 24
invariant :p4i_3_7 + p4il_3_7 = 1
invariant :p4o_3_3 + p4ol_3_3 = 1
invariant :p4o_5_1 + p4ol_5_1 = 1
invariant :p4i_4_7 + p4il_4_7 = 1
invariant :pb1_5_6 + pb2_5_6 + pb3_5_6 + pb4_5_6 + pbl_5_6 = 24
invariant :p1i_1_5 + p1il_1_5 = 1
invariant :p1o_2_6 + p1ol_2_6 = 1
invariant :p4o_3_6 + p4ol_3_6 = 1
invariant :p4o_4_4 + p4ol_4_4 = 1
invariant :p4i_7_1 + p4il_7_1 = 1
invariant :p1i_1_8 + p1il_1_8 = 1
invariant :pb1_8_4 + pb2_8_4 + pb3_8_4 + pb4_8_4 + pbl_8_4 = 24
invariant :p1i_4_2 + p1il_4_2 = 1
invariant :p4o_5_5 + p4ol_5_5 = 1
invariant :p4o_1_9 + p4ol_1_9 = 1
invariant :pb1_1_2 + pb2_1_2 + pb3_1_2 + pb4_1_2 + pbl_1_2 = 24
invariant :p4o_4_8 + p4ol_4_8 = 1
invariant :p4i_2_1 + p4il_2_1 = 1
invariant :p4o_4_9 + p4ol_4_9 = 1
invariant :pb1_8_8 + pb2_8_8 + pb3_8_8 + pb4_8_8 + pbl_8_8 = 24
invariant :p1o_8_3 + p1ol_8_3 = 1
invariant :p4o_2_1 + p4ol_2_1 = 1
invariant :p4o_3_2 + p4ol_3_2 = 1
invariant :pb1_7_2 + pb2_7_2 + pb3_7_2 + pb4_7_2 + pbl_7_2 = 24
invariant :p4i_6_4 + p4il_6_4 = 1
invariant :p4i_2_6 + p4il_2_6 = 1
invariant :p1i_6_1 + p1il_6_1 = 1
invariant :p1i_8_2 + p1il_8_2 = 1
invariant :pb1_2_1 + pb2_2_1 + pb3_2_1 + pb4_2_1 + pbl_2_1 = 24
invariant :p4o_8_7 + p4ol_8_7 = 1
invariant :p4i_8_1 + p4il_8_1 = 1
invariant :p1o_9_7 + p1ol_9_7 = 1
invariant :p1o_3_8 + p1ol_3_8 = 1
invariant :p1i_5_7 + p1il_5_7 = 1
invariant :pb1_4_1 + pb2_4_1 + pb3_4_1 + pb4_4_1 + pbl_4_1 = 24
invariant :p4i_8_7 + p4il_8_7 = 1
invariant :p1o_4_2 + p1ol_4_2 = 1
invariant :p1i_1_2 + p1il_1_2 = 1
invariant :p1i_3_3 + p1il_3_3 = 1
invariant :p1i_4_5 + p1il_4_5 = 1
invariant :pb1_5_1 + pb2_5_1 + pb3_5_1 + pb4_5_1 + pbl_5_1 = 24
invariant :pb1_2_5 + pb2_2_5 + pb3_2_5 + pb4_2_5 + pbl_2_5 = 24
invariant :pb1_3_4 + pb2_3_4 + pb3_3_4 + pb4_3_4 + pbl_3_4 = 24
invariant :p1o_5_8 + p1ol_5_8 = 1
invariant :p4o_1_7 + p4ol_1_7 = 1
invariant :p4o_7_5 + p4ol_7_5 = 1
invariant :p1i_5_2 + p1il_5_2 = 1
invariant :p4i_5_1 + p4il_5_1 = 1
invariant :p1o_7_3 + p1ol_7_3 = 1
invariant :p1i_7_8 + p1il_7_8 = 1
invariant :pb1_2_7 + pb2_2_7 + pb3_2_7 + pb4_2_7 + pbl_2_7 = 24
invariant :p1i_3_4 + p1il_3_4 = 1
invariant :p1i_7_3 + p1il_7_3 = 1
invariant :p4i_5_2 + p4il_5_2 = 1
invariant :p1o_8_4 + p1ol_8_4 = 1
invariant :p4i_7_4 + p4il_7_4 = 1
invariant :p4i_6_5 + p4il_6_5 = 1
invariant :p1i_7_2 + p1il_7_2 = 1
invariant :p4i_1_1 + p4il_1_1 = 1
invariant :p1i_6_5 + p1il_6_5 = 1
invariant :p4o_7_1 + p4ol_7_1 = 1
invariant :p1i_5_4 + p1il_5_4 = 1
invariant :p1i_5_8 + p1il_5_8 = 1
invariant :p1o_6_1 + p1ol_6_1 = 1
invariant :p4i_5_7 + p4il_5_7 = 1
invariant :pb1_7_6 + pb2_7_6 + pb3_7_6 + pb4_7_6 + pbl_7_6 = 24
invariant :p4o_3_4 + p4ol_3_4 = 1
invariant :p1i_8_7 + p1il_8_7 = 1
invariant :p4i_6_8 + p4il_6_8 = 1
invariant :p1o_3_1 + p1ol_3_1 = 1
invariant :p1o_5_6 + p1ol_5_6 = 1
invariant :p1o_4_8 + p1ol_4_8 = 1
invariant :p1i_5_5 + p1il_5_5 = 1
invariant :p1o_1_2 + p1ol_1_2 = 1
invariant :p4i_5_8 + p4il_5_8 = 1
invariant :p1o_6_3 + p1ol_6_3 = 1
invariant :p1i_3_7 + p1il_3_7 = 1
invariant :pb1_8_3 + pb2_8_3 + pb3_8_3 + pb4_8_3 + pbl_8_3 = 24
invariant :p1i_7_6 + p1il_7_6 = 1
invariant :p4o_6_5 + p4ol_6_5 = 1
invariant :p4i_4_8 + p4il_4_8 = 1
invariant :p4o_6_3 + p4ol_6_3 = 1
invariant :p1o_2_7 + p1ol_2_7 = 1
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
Compilation finished in 10375 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 112 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, [](<>((LTLAP0==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
WARNING : LTSmin timed out (>225 s) on command CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, [](<>((LTLAP0==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, ([]((LTLAP1==true)))U([]([]((LTLAP2==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
WARNING : LTSmin timed out (>225 s) on command CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, ([]((LTLAP1==true)))U([]([]((LTLAP2==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X(X(((LTLAP3==true))U((LTLAP4==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 41247 ms.
FORMULA SquareGrid-PT-080408-LTLCardinality-02 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, [](<>(X(<>((LTLAP5==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, [](<>(X(<>((LTLAP5==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
255
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
BK_STOP 1553212126294
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ 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 LTLCardinality -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Mar 21, 2019 11:26:52 PM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Mar 21, 2019 11:26:52 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 21, 2019 11:26:52 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 92 ms
Mar 21, 2019 11:26:52 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 896 places.
Mar 21, 2019 11:26:52 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 1056 transitions.
Mar 21, 2019 11:26:52 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 27 ms
Mar 21, 2019 11:26:52 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 226 ms
Mar 21, 2019 11:26:52 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLCardinality.pnml.gal : 7 ms
Mar 21, 2019 11:26:52 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLCardinality.ltl : 0 ms
Mar 21, 2019 11:26:53 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 1056 transitions.
Mar 21, 2019 11:26:53 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 353 place invariants in 281 ms
Mar 21, 2019 11:26:55 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 896 variables to be positive in 1600 ms
Mar 21, 2019 11:26:55 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 1056 transitions.
Mar 21, 2019 11:26:55 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/1056 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 21, 2019 11:26:55 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 76 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 21, 2019 11:26:55 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 1056 transitions.
Mar 21, 2019 11:26:55 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 51 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 21, 2019 11:26:58 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 1056 transitions.
SMT solver raised 'unknown', retrying with same input.
SMT solver raised 'unknown', retrying with same input.
SMT solver raised 'unknown' twice, overapproximating result to 1.
Mar 21, 2019 11:27:06 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(0/1056) took 8317 ms. Total solver calls (SAT/UNSAT): 108(108/0)
Mar 21, 2019 11:27:06 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 8358 ms. Total solver calls (SAT/UNSAT): 108(108/0)
Mar 21, 2019 11:27:06 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 1056 transitions.
Mar 21, 2019 11:27:06 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:21 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:30 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:37 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:39 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:40 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:40 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:41 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:41 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:42 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:43 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:43 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:49 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:51 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:52 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:53 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:53 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:54 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:55 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:56 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:56 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Mar 21, 2019 11:27:57 PM fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver checkSat
WARNING: SMT solver unexpectedly returned 'unknown' answer, retrying.
Skipping mayMatrices nes/nds SMT solver raised an error :unknown
java.lang.RuntimeException: SMT solver raised an error :unknown
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:318)
at fr.lip6.move.gal.gal2smt.bmc.NextBMCSolver.checkSat(NextBMCSolver.java:305)
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.computeDoNotAccord(NecessaryEnablingsolver.java:628)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:538)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printDependencyMatrix(Gal2PinsTransformerNext.java:209)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.buildBodyFile(Gal2PinsTransformerNext.java:85)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.transform(Gal2PinsTransformerNext.java:830)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:71)
at java.lang.Thread.run(Thread.java:748)
Mar 21, 2019 11:27:58 PM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 65155ms conformant to PINS in folder :/home/mcc/execution
pins2lts-mc, 0.000: Registering PINS so language module
pins2lts-mc( 7/ 8), 0.000: library has no initializer
pins2lts-mc( 7/ 8), 0.000: loading model GAL
pins2lts-mc( 7/ 8), 0.002: completed loading model GAL
pins2lts-mc( 7/ 8), 0.002: LTL layer: formula: [](<>(X(<>((LTLAP5==true)))))
pins2lts-mc( 7/ 8), 0.002: "[](<>(X(<>((LTLAP5==true)))))" is not a file, parsing as formula...
pins2lts-mc( 7/ 8), 0.002: Using Spin LTL semantics
pins2lts-mc( 3/ 8), 0.005: library has no initializer
pins2lts-mc( 3/ 8), 0.005: loading model GAL
pins2lts-mc( 2/ 8), 0.018: library has no initializer
pins2lts-mc( 2/ 8), 0.018: loading model GAL
pins2lts-mc( 6/ 8), 0.018: library has no initializer
pins2lts-mc( 6/ 8), 0.018: loading model GAL
pins2lts-mc( 0/ 8), 0.018: Loading model from ./gal.so
pins2lts-mc( 0/ 8), 0.018: library has no initializer
pins2lts-mc( 0/ 8), 0.018: loading model GAL
pins2lts-mc( 5/ 8), 0.018: library has no initializer
pins2lts-mc( 5/ 8), 0.018: loading model GAL
pins2lts-mc( 1/ 8), 0.018: library has no initializer
pins2lts-mc( 1/ 8), 0.029: loading model GAL
pins2lts-mc( 4/ 8), 0.018: library has no initializer
pins2lts-mc( 4/ 8), 0.029: loading model GAL
pins2lts-mc( 0/ 8), 0.712: completed loading model GAL
pins2lts-mc( 6/ 8), 1.202: completed loading model GAL
pins2lts-mc( 4/ 8), 1.247: completed loading model GAL
pins2lts-mc( 5/ 8), 1.281: completed loading model GAL
pins2lts-mc( 2/ 8), 1.307: completed loading model GAL
pins2lts-mc( 1/ 8), 1.358: completed loading model GAL
pins2lts-mc( 3/ 8), 1.359: completed loading model GAL
pins2lts-mc( 0/ 8), 1.384: Weak Buchi automaton detected, adding non-accepting as progress label.
pins2lts-mc( 0/ 8), 2.674: DFS-FIFO for weak LTL, using special progress label 1079
pins2lts-mc( 0/ 8), 2.674: There are 1080 state labels and 1 edge labels
pins2lts-mc( 0/ 8), 2.674: State length is 897, there are 1059 groups
pins2lts-mc( 0/ 8), 2.674: Running dfsfifo using 8 cores
pins2lts-mc( 0/ 8), 2.674: Using a tree table with 2^27 elements
pins2lts-mc( 0/ 8), 2.674: Successor permutation: rr
pins2lts-mc( 0/ 8), 2.674: Global bits: 2, count bits: 0, local bits: 0
pins2lts-mc( 5/ 8), 9.667: ~120 levels ~960 states ~312816 transitions
pins2lts-mc( 5/ 8), 14.800: ~240 levels ~1920 states ~653456 transitions
pins2lts-mc( 5/ 8), 23.158: ~480 levels ~3840 states ~1377048 transitions
pins2lts-mc( 6/ 8), 35.324: ~960 levels ~7680 states ~2892096 transitions
pins2lts-mc( 2/ 8), 52.714: ~1920 levels ~15360 states ~5701168 transitions
pins2lts-mc( 4/ 8), 71.348: Error: tree leafs table full! Change -s/--ratio.
pins2lts-mc( 0/ 8), 94.504:
pins2lts-mc( 0/ 8), 94.504: mean standard work distribution: 9.1% (states) 9.6% (transitions)
pins2lts-mc( 0/ 8), 94.504:
pins2lts-mc( 0/ 8), 94.504: Explored 17101 states 6330900 transitions, fanout: 370.206
pins2lts-mc( 0/ 8), 94.504: Total exploration time 91.800 sec (71.780 sec minimum, 81.804 sec on average)
pins2lts-mc( 0/ 8), 94.504: States per second: 186, Transitions per second: 68964
pins2lts-mc( 0/ 8), 94.504:
pins2lts-mc( 0/ 8), 94.504: Progress states detected: 178
pins2lts-mc( 0/ 8), 94.504: Redundant explorations: -99.7297
pins2lts-mc( 0/ 8), 94.504:
pins2lts-mc( 0/ 8), 94.504: Queue width: 8B, total height: 17365, memory: 0.13MB
pins2lts-mc( 0/ 8), 94.504: Tree memory: 304.3MB, 50.4 B/state, compr.: 1.4%
pins2lts-mc( 0/ 8), 94.504: Tree fill ratio (roots/leafs): 4.0%/100.0%
pins2lts-mc( 0/ 8), 94.504: Stored 1082 string chucks using 0MB
pins2lts-mc( 0/ 8), 94.504: Total memory used for chunk indexing: 0MB
pins2lts-mc( 0/ 8), 94.504: Est. total memory use: 304.4MB (~1024.1MB paged-in)
java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, [](<>(X(<>((LTLAP5==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
255
at fr.lip6.move.gal.application.LTSminRunner.checkProperty(LTSminRunner.java:167)
at fr.lip6.move.gal.application.LTSminRunner.access$9(LTSminRunner.java:122)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:91)
at java.lang.Thread.run(Thread.java:748)
ITS-tools command line returned an error code 134
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SquareGrid-PT-080408"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
# this is specific to your benchmark or test
export BIN_DIR="$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 2-3954"
echo " Executing tool itstools"
echo " Input is SquareGrid-PT-080408, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r173-oct2-155297753000024"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SquareGrid-PT-080408.tgz
mv SquareGrid-PT-080408 execution
cd execution
if [ "LTLCardinality" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "LTLCardinality" = "UpperBounds" ] ; 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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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
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 ;