fond
Model Checking Contest 2019
9th edition, Prague, Czech Republic, April 7, 2019 (TOOLympics)
Execution of r151-ebro-155286406300132
Last Updated
Apr 15, 2019

About the Execution of ITS-Tools for ResAllocation-PT-R100C002

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
4977.770 3600000.00 11497570.00 404.40 FFT??TFTFFFF?FFT normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2019-input.r151-ebro-155286406300132.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2019-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstools
Input is ResAllocation-PT-R100C002, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r151-ebro-155286406300132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 568K
-rw-r--r-- 1 mcc users 3.5K Feb 12 14:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 12 14:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 8 16:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 8 16:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 112 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 350 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.7K Feb 5 01:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 13K Feb 5 01:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 4 22:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.5K Feb 4 22:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 4 16:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 4 16:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 1 13:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Feb 1 13:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K 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 9 Jan 29 09:35 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 iscolored
-rw-r--r-- 1 mcc users 404K 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 ResAllocation-PT-R100C002-LTLCardinality-00
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-01
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-02
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-03
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-04
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-05
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-06
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-07
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-08
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-09
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-10
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-11
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-12
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-13
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-14
FORMULA_NAME ResAllocation-PT-R100C002-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1553109623000

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("(r_0_89<=p_0_51)"))U(F(G("(r_1_77<=p_1_90)")))))
Formula 0 simplified : !(G"(r_0_89<=p_0_51)" U FG"(r_1_77<=p_1_90)")
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 202 rows 400 cols
invariant :p_0_19 + r_0_19 + -1'r_1_19 = 0
invariant :p_1_21 + r_1_21 = 1
invariant :p_1_56 + r_1_56 = 1
invariant :p_0_16 + r_0_16 + -1'r_1_16 = 0
invariant :p_1_51 + r_1_51 = 1
invariant :p_0_72 + r_0_72 + -1'r_1_72 = 0
invariant :p_0_63 + r_0_63 + -1'r_1_63 = 0
invariant :p_0_6 + r_0_6 + -1'r_1_6 = 0
invariant :p_1_30 + r_1_30 = 1
invariant :p_1_47 + r_1_47 = 1
invariant :p_1_44 + r_1_44 = 1
invariant :p_1_13 + r_1_13 = 1
invariant :p_1_55 + r_1_55 = 1
invariant :p_1_83 + r_1_83 = 1
invariant :p_1_70 + r_1_70 = 1
invariant :p_0_43 + r_0_43 + -1'r_1_43 = 0
invariant :p_0_70 + r_0_70 + -1'r_1_70 = 0
invariant :p_1_52 + r_1_52 = 1
invariant :p_1_96 + r_1_96 = 1
invariant :p_1_28 + r_1_28 = 1
invariant :p_1_48 + r_1_48 = 1
invariant :p_0_96 + r_0_96 + -1'r_1_96 = 0
invariant :p_1_0 + r_1_0 = 1
invariant :p_0_52 + r_0_52 + -1'r_1_52 = 0
invariant :p_0_7 + r_0_7 + -1'r_1_7 = 0
invariant :p_1_19 + r_1_19 = 1
invariant :p_1_27 + r_1_27 = 1
invariant :p_1_60 + r_1_60 = 1
invariant :p_1_89 + r_1_89 = 1
invariant :p_0_44 + r_0_44 + -1'r_1_44 = 0
invariant :p_0_82 + r_0_82 + -1'r_1_82 = 0
invariant :p_1_43 + r_1_43 = 1
invariant :p_0_92 + r_0_92 + -1'r_1_92 = 0
invariant :p_0_25 + r_0_25 + -1'r_1_25 = 0
invariant :p_0_71 + r_0_71 + -1'r_1_71 = 0
invariant :p_1_59 + r_1_59 = 1
invariant :p_0_15 + r_0_15 + -1'r_1_15 = 0
invariant :p_0_5 + r_0_5 + -1'r_1_5 = 0
invariant :p_0_89 + r_0_89 + -1'r_1_89 = 0
invariant :p_1_75 + r_1_75 = 1
invariant :p_0_46 + r_0_46 + -1'r_1_46 = 0
invariant :p_0_10 + r_0_10 + -1'r_1_10 = 0
invariant :p_1_81 + r_1_81 = 1
invariant :p_0_83 + r_0_83 + -1'r_1_83 = 0
invariant :p_0_74 + r_0_74 + -1'r_1_74 = 0
invariant :p_0_9 + r_0_9 + -1'r_1_9 = 0
invariant :p_0_34 + r_0_34 + -1'r_1_34 = 0
invariant :p_0_56 + r_0_56 + -1'r_1_56 = 0
invariant :p_1_11 + r_1_11 = 1
invariant :p_0_80 + r_0_80 + -1'r_1_80 = 0
invariant :p_1_1 + r_1_1 = 1
invariant :p_1_84 + r_1_84 = 1
invariant :p_1_6 + r_1_6 = 1
invariant :p_1_82 + r_1_82 = 1
invariant :p_0_99 + r_0_99 + -1'r_1_99 = 0
invariant :p_1_46 + r_1_46 = 1
invariant :p_0_79 + r_0_79 + -1'r_1_79 = 0
invariant :p_1_74 + r_1_74 = 1
invariant :p_0_93 + r_0_93 + -1'r_1_93 = 0
invariant :p_1_49 + r_1_49 = 1
invariant :p_0_2 + r_0_2 + -1'r_1_2 = 0
invariant :p_1_92 + r_1_92 = 1
invariant :p_1_53 + r_1_53 = 1
invariant :p_0_78 + r_0_78 + -1'r_1_78 = 0
invariant :p_0_29 + r_0_29 + -1'r_1_29 = 0
invariant :p_1_39 + r_1_39 = 1
invariant :p_1_64 + r_1_64 = 1
invariant :p_1_18 + r_1_18 = 1
invariant :p_1_40 + r_1_40 = 1
invariant :p_1_91 + r_1_91 = 1
invariant :p_0_64 + r_0_64 + -1'r_1_64 = 0
invariant :p_0_81 + r_0_81 + -1'r_1_81 = 0
invariant :p_1_29 + r_1_29 = 1
invariant :p_1_76 + r_1_76 = 1
invariant :p_1_50 + r_1_50 = 1
invariant :p_0_49 + r_0_49 + -1'r_1_49 = 0
invariant :p_0_13 + r_0_13 + -1'r_1_13 = 0
invariant :p_0_65 + r_0_65 + -1'r_1_65 = 0
invariant :p_0_59 + r_0_59 + -1'r_1_59 = 0
invariant :p_1_90 + r_1_90 = 1
invariant :p_1_4 + r_1_4 = 1
invariant :p_1_54 + r_1_54 = 1
invariant :p_0_0 + r_0_0 + -1'r_1_0 = 0
invariant :p_0_66 + r_0_66 + -1'r_1_66 = 0
invariant :p_0_4 + r_0_4 + -1'r_1_4 = 0
invariant :p_1_73 + r_1_73 = 1
invariant :p_0_62 + r_0_62 + -1'r_1_62 = 0
invariant :p_1_36 + r_1_36 = 1
invariant :p_0_58 + r_0_58 + -1'r_1_58 = 0
invariant :p_0_40 + r_0_40 + -1'r_1_40 = 0
invariant :p_1_26 + r_1_26 = 1
invariant :p_0_68 + r_0_68 + -1'r_1_68 = 0
invariant :p_0_35 + r_0_35 + -1'r_1_35 = 0
invariant :p_1_58 + r_1_58 = 1
invariant :p_1_16 + r_1_16 = 1
invariant :p_1_63 + r_1_63 = 1
invariant :p_0_18 + r_0_18 + -1'r_1_18 = 0
invariant :p_0_23 + r_0_23 + -1'r_1_23 = 0
invariant :p_0_77 + r_0_77 + -1'r_1_77 = 0
invariant :p_0_11 + r_0_11 + -1'r_1_11 = 0
invariant :p_0_45 + r_0_45 + -1'r_1_45 = 0
invariant :p_0_60 + r_0_60 + -1'r_1_60 = 0
invariant :p_1_45 + r_1_45 = 1
invariant :p_0_61 + r_0_61 + -1'r_1_61 = 0
invariant :p_1_57 + r_1_57 = 1
invariant :p_1_24 + r_1_24 = 1
invariant :p_1_42 + r_1_42 = 1
invariant :p_1_5 + r_1_5 = 1
invariant :p_0_86 + r_0_86 + -1'r_1_86 = 0
invariant :p_0_87 + r_0_87 + -1'r_1_87 = 0
invariant :p_0_48 + r_0_48 + -1'r_1_48 = 0
invariant :p_1_35 + r_1_35 = 1
invariant :p_0_1 + r_0_1 + -1'r_1_1 = 0
invariant :p_0_98 + r_0_98 + -1'r_1_98 = 0
invariant :p_1_15 + r_1_15 = 1
invariant :p_0_20 + r_0_20 + -1'r_1_20 = 0
invariant :p_1_8 + r_1_8 = 1
invariant :p_1_38 + r_1_38 = 1
invariant :p_1_23 + r_1_23 = 1
invariant :p_1_67 + r_1_67 = 1
invariant :p_0_50 + r_0_50 + -1'r_1_50 = 0
invariant :p_1_68 + r_1_68 = 1
invariant :p_0_14 + r_0_14 + -1'r_1_14 = 0
invariant :p_1_97 + r_1_97 = 1
invariant :p_1_10 + r_1_10 = 1
invariant :p_0_95 + r_0_95 + -1'r_1_95 = 0
invariant :p_1_41 + r_1_41 = 1
invariant :p_0_75 + r_0_75 + -1'r_1_75 = 0
invariant :p_0_90 + r_0_90 + -1'r_1_90 = 0
invariant :p_1_62 + r_1_62 = 1
invariant :p_1_3 + r_1_3 = 1
invariant :p_1_61 + r_1_61 = 1
invariant :p_0_31 + r_0_31 + -1'r_1_31 = 0
invariant :p_1_17 + r_1_17 = 1
invariant :p_1_80 + r_1_80 = 1
invariant :p_0_39 + r_0_39 + -1'r_1_39 = 0
invariant :p_0_97 + r_0_97 + -1'r_1_97 = 0
invariant :p_0_12 + r_0_12 + -1'r_1_12 = 0
invariant :p_1_37 + r_1_37 = 1
invariant :p_1_86 + r_1_86 = 1
invariant :p_1_32 + r_1_32 = 1
invariant :p_0_24 + r_0_24 + -1'r_1_24 = 0
invariant :p_0_3 + r_0_3 + -1'r_1_3 = 0
invariant :p_0_27 + r_0_27 + -1'r_1_27 = 0
invariant :p_0_91 + r_0_91 + -1'r_1_91 = 0
invariant :p_1_78 + r_1_78 = 1
invariant :p_1_66 + r_1_66 = 1
invariant :p_1_88 + r_1_88 = 1
invariant :p_1_65 + r_1_65 = 1
invariant :p_0_94 + r_0_94 + -1'r_1_94 = 0
invariant :p_1_9 + r_1_9 = 1
invariant :p_0_33 + r_0_33 + -1'r_1_33 = 0
invariant :p_0_42 + r_0_42 + -1'r_1_42 = 0
invariant :p_1_25 + r_1_25 = 1
invariant :p_1_85 + r_1_85 = 1
invariant :p_0_22 + r_0_22 + -1'r_1_22 = 0
invariant :p_1_98 + r_1_98 = 1
invariant :p_1_99 + r_1_99 = 1
invariant :p_0_84 + r_0_84 + -1'r_1_84 = 0
invariant :p_1_79 + r_1_79 = 1
invariant :p_0_51 + r_0_51 + -1'r_1_51 = 0
invariant :p_1_87 + r_1_87 = 1
invariant :p_0_17 + r_0_17 + -1'r_1_17 = 0
invariant :p_1_77 + r_1_77 = 1
invariant :p_0_76 + r_0_76 + -1'r_1_76 = 0
invariant :p_1_7 + r_1_7 = 1
invariant :p_1_34 + r_1_34 = 1
invariant :p_0_21 + r_0_21 + -1'r_1_21 = 0
invariant :p_1_93 + r_1_93 = 1
invariant :p_0_36 + r_0_36 + -1'r_1_36 = 0
invariant :p_0_32 + r_0_32 + -1'r_1_32 = 0
invariant :p_0_47 + r_0_47 + -1'r_1_47 = 0
invariant :p_0_54 + r_0_54 + -1'r_1_54 = 0
invariant :p_1_31 + r_1_31 = 1
invariant :p_1_20 + r_1_20 = 1
invariant :p_0_85 + r_0_85 + -1'r_1_85 = 0
invariant :p_0_26 + r_0_26 + -1'r_1_26 = 0
invariant :p_0_30 + r_0_30 + -1'r_1_30 = 0
invariant :p_0_41 + r_0_41 + -1'r_1_41 = 0
invariant :p_0_73 + r_0_73 + -1'r_1_73 = 0
invariant :p_0_57 + r_0_57 + -1'r_1_57 = 0
invariant :p_0_8 + r_0_8 + -1'r_1_8 = 0
invariant :p_1_33 + r_1_33 = 1
invariant :p_1_12 + r_1_12 = 1
invariant :p_0_28 + r_0_28 + -1'r_1_28 = 0
invariant :p_0_55 + r_0_55 + -1'r_1_55 = 0
invariant :p_0_88 + r_0_88 + -1'r_1_88 = 0
invariant :p_1_69 + r_1_69 = 1
invariant :p_0_38 + r_0_38 + -1'r_1_38 = 0
invariant :p_0_37 + r_0_37 + -1'r_1_37 = 0
invariant :p_1_71 + r_1_71 = 1
invariant :p_1_22 + r_1_22 = 1
invariant :p_0_69 + r_0_69 + -1'r_1_69 = 0
invariant :p_1_72 + r_1_72 = 1
invariant :p_0_53 + r_0_53 + -1'r_1_53 = 0
invariant :p_0_67 + r_0_67 + -1'r_1_67 = 0
invariant :p_1_14 + r_1_14 = 1
invariant :p_1_2 + r_1_2 = 1
invariant :p_1_95 + r_1_95 = 1
invariant :p_1_94 + r_1_94 = 1
Reverse transition relation is NOT exact ! Due to transitions t_0_100, t_1_0, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0/200/2/202
Computing Next relation with stutter on 99 deadlock states
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 5465 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 94 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)))U(<>([]((LTLAP1==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)))U(<>([]((LTLAP1==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(X([]((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 5553 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-01 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, [](<>(<>(<>((LTLAP3==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, [](<>(<>(<>((LTLAP3==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((LTLAP4==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, --when, --ltl, X([](<>(X((LTLAP4==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([](<>(<>((LTLAP5==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, --when, --ltl, X([](<>(<>((LTLAP5==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, (((LTLAP6==true))U((LTLAP7==true)))U((LTLAP8==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 674 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-05 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, -p, --pins-guards, --when, --ltl, <>(([]((LTLAP9==true)))U([]((LTLAP10==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 2783 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (<>([]((LTLAP11==true))))U((LTLAP12==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 949 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-07 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, -p, --pins-guards, --when, --ltl, (((LTLAP13==true))U((LTLAP14==true)))U(((LTLAP15==true))U((LTLAP16==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 2620 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-08 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, [](<>(((LTLAP17==true))U((LTLAP18==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 2637 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-09 FALSE 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(X((LTLAP19==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 196160 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []((LTLAP20==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 2761 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-11 FALSE 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([]((LTLAP21==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, --when, --ltl, X([]((LTLAP21==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, (<>([]((LTLAP22==true))))U(<>(<>((LTLAP23==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 2710 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []((LTLAP24==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 2560 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-14 FALSE 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((LTLAP25==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 396 ms.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Retrying LTSmin with larger timeout 1800 s
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, ([]((LTLAP0==true)))U(<>([]((LTLAP1==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
63338 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,633.454,2666628,1,0,9690,1.34247e+07,20,7435,5608,2.58418e+07,7630
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 1 : !((X(X(X(G("(r_0_31>=2)"))))))
Formula 1 simplified : !XXXG"(r_0_31>=2)"
Computing Next relation with stutter on 99 deadlock states
6 unique states visited
6 strongly connected components in search stack
6 transitions explored
6 items max in DFS search stack
145 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,634.906,2666628,1,0,9690,1.34247e+07,34,7435,7303,2.58418e+07,7662
an accepting run exists (use option '-e' to print it)
Formula 1 is FALSE accepting run found.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 2 : !((G(F(F(F("(p_0_73<=p_0_68)"))))))
Formula 2 simplified : !GF"(p_0_73<=p_0_68)"
Computing Next relation with stutter on 99 deadlock states
2 unique states visited
0 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
3499 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,669.947,2666628,1,0,10470,1.34247e+07,43,7588,7307,2.58418e+07,22933
no accepting run found
Formula 2 is TRUE no accepting run found.
FORMULA ResAllocation-PT-R100C002-LTLCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 3 : !((X(G(F(X("(p_0_35<=r_0_91)"))))))
Formula 3 simplified : !XGFX"(p_0_35<=r_0_91)"
Computing Next relation with stutter on 99 deadlock states
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, -p, --pins-guards, --when, --ltl, ([]((LTLAP0==true)))U(<>([]((LTLAP1==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
255

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
+ [[ 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 20, 2019 7:20:25 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 20, 2019 7:20:25 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 20, 2019 7:20:26 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 203 ms
Mar 20, 2019 7:20:26 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 400 places.
Mar 20, 2019 7:20:26 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 202 transitions.
Mar 20, 2019 7:20:26 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 41 ms
Mar 20, 2019 7:20:26 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 229 ms
Mar 20, 2019 7:20:26 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLCardinality.pnml.gal : 12 ms
Mar 20, 2019 7:20:26 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLCardinality.ltl : 2 ms
Mar 20, 2019 7:20:27 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 202 transitions.
Mar 20, 2019 7:20:27 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 200 place invariants in 229 ms
Mar 20, 2019 7:20:28 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 400 variables to be positive in 1127 ms
Mar 20, 2019 7:20:28 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 202 transitions.
Mar 20, 2019 7:20:28 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/202 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 20, 2019 7:20:28 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 60 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 20, 2019 7:20:28 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 202 transitions.
Mar 20, 2019 7:20:28 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 20, 2019 7:20:30 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 202 transitions.
Mar 20, 2019 7:20:31 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(75/202) took 1560 ms. Total solver calls (SAT/UNSAT): 227(227/0)
Mar 20, 2019 7:20:33 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 3586 ms. Total solver calls (SAT/UNSAT): 400(300/100)
Mar 20, 2019 7:20:33 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 202 transitions.
Mar 20, 2019 7:20:34 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 590 ms. Total solver calls (SAT/UNSAT): 301(0/301)
Mar 20, 2019 7:20:34 PM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 7437ms conformant to PINS in folder :/home/mcc/execution
pins2lts-mc, 0.000: Registering PINS so language module
pins2lts-mc( 3/ 8), 0.002: library has no initializer
pins2lts-mc( 1/ 8), 0.003: library has no initializer
pins2lts-mc( 1/ 8), 0.003: loading model GAL
pins2lts-mc( 2/ 8), 0.003: library has no initializer
pins2lts-mc( 5/ 8), 0.002: library has no initializer
pins2lts-mc( 3/ 8), 0.002: loading model GAL
pins2lts-mc( 2/ 8), 0.003: loading model GAL
pins2lts-mc( 0/ 8), 0.003: Loading model from ./gal.so
pins2lts-mc( 0/ 8), 0.004: library has no initializer
pins2lts-mc( 0/ 8), 0.004: loading model GAL
pins2lts-mc( 5/ 8), 0.003: loading model GAL
pins2lts-mc( 6/ 8), 0.003: library has no initializer
pins2lts-mc( 6/ 8), 0.004: loading model GAL
pins2lts-mc( 7/ 8), 0.003: library has no initializer
pins2lts-mc( 7/ 8), 0.004: loading model GAL
pins2lts-mc( 4/ 8), 0.002: library has no initializer
pins2lts-mc( 4/ 8), 0.003: loading model GAL
pins2lts-mc( 3/ 8), 0.009: completed loading model GAL
pins2lts-mc( 2/ 8), 0.010: completed loading model GAL
pins2lts-mc( 1/ 8), 0.010: completed loading model GAL
pins2lts-mc( 0/ 8), 0.013: completed loading model GAL
pins2lts-mc( 0/ 8), 0.030: Initializing POR dependencies: labels 228, guards 202
pins2lts-mc( 6/ 8), 0.030: completed loading model GAL
pins2lts-mc( 5/ 8), 0.047: completed loading model GAL
pins2lts-mc( 7/ 8), 0.046: completed loading model GAL
pins2lts-mc( 4/ 8), 0.053: completed loading model GAL
pins2lts-mc( 2/ 8), 0.289: LTL layer: formula: ([]((LTLAP0==true)))U(<>([]((LTLAP1==true))))
pins2lts-mc( 2/ 8), 0.289: "([]((LTLAP0==true)))U(<>([]((LTLAP1==true))))" is not a file, parsing as formula...
pins2lts-mc( 2/ 8), 0.290: Using Spin LTL semantics
pins2lts-mc( 0/ 8), 0.591: Forcing use of the an ignoring proviso (cndfs)
pins2lts-mc( 0/ 8), 0.619: There are 229 state labels and 1 edge labels
pins2lts-mc( 0/ 8), 0.619: State length is 401, there are 206 groups
pins2lts-mc( 0/ 8), 0.619: Running cndfs using 8 cores
pins2lts-mc( 0/ 8), 0.619: Using a tree table with 2^27 elements
pins2lts-mc( 0/ 8), 0.619: Successor permutation: dynamic
pins2lts-mc( 0/ 8), 0.619: Visible groups: 0 / 206, labels: 1 / 229
pins2lts-mc( 0/ 8), 0.619: POR cycle proviso: cndfs (ltl)
pins2lts-mc( 0/ 8), 0.619: Global bits: 2, count bits: 2, local bits: 0
pins2lts-mc( 0/ 8), 0.774: [Blue] ~120 levels ~960 states ~5200 transitions
pins2lts-mc( 1/ 8), 0.916: [Blue] ~240 levels ~1920 states ~10520 transitions
pins2lts-mc( 0/ 8), 1.165: [Blue] ~480 levels ~3840 states ~20480 transitions
pins2lts-mc( 7/ 8), 1.548: [Blue] ~960 levels ~7680 states ~31824 transitions
pins2lts-mc( 7/ 8), 2.010: [Blue] ~1920 levels ~15360 states ~51000 transitions
pins2lts-mc( 7/ 8), 2.925: [Blue] ~3080 levels ~30720 states ~82976 transitions
pins2lts-mc( 7/ 8), 4.364: [Blue] ~3080 levels ~61440 states ~171352 transitions
pins2lts-mc( 7/ 8), 7.271: [Blue] ~3080 levels ~122880 states ~372192 transitions
pins2lts-mc( 4/ 8), 12.768: [Blue] ~3079 levels ~245760 states ~959392 transitions
pins2lts-mc( 0/ 8), 22.603: [Blue] ~3575 levels ~491520 states ~1454104 transitions
pins2lts-mc( 0/ 8), 42.561: [Blue] ~3575 levels ~983040 states ~3238584 transitions
pins2lts-mc( 3/ 8), 83.997: [Blue] ~3176 levels ~1966080 states ~7997936 transitions
pins2lts-mc( 3/ 8), 164.860: [Blue] ~3176 levels ~3932160 states ~17017992 transitions
pins2lts-mc( 0/ 8), 325.103: [Blue] ~3575 levels ~7864320 states ~29829416 transitions
pins2lts-mc( 0/ 8), 658.321: [Blue] ~3575 levels ~15728640 states ~63753264 transitions
pins2lts-mc( 7/ 8), 1276.687: Error: tree leafs table full! Change -s/--ratio.
pins2lts-mc( 0/ 8), 1276.747:
pins2lts-mc( 0/ 8), 1276.747: Explored 28048032 states 142650974 transitions, fanout: 5.086
pins2lts-mc( 0/ 8), 1276.747: Total exploration time 1276.110 sec (1276.060 sec minimum, 1276.089 sec on average)
pins2lts-mc( 0/ 8), 1276.747: States per second: 21979, Transitions per second: 111786
pins2lts-mc( 0/ 8), 1276.747:
pins2lts-mc( 0/ 8), 1276.747: State space has 28110640 states, 231553 are accepting
pins2lts-mc( 0/ 8), 1276.747: cndfs_1 (permutation: dynamic) stats:
pins2lts-mc( 0/ 8), 1276.747: blue states: 28048032 (99.78%), transitions: 0 (per worker)
pins2lts-mc( 0/ 8), 1276.747: red states: 0 (0.00%), bogus: 0 (0.00%), transitions: 0, waits: 0 (0.00 sec)
pins2lts-mc( 0/ 8), 1276.747: all-red states: 240709 (0.86%), bogus 0 (0.00%)
pins2lts-mc( 0/ 8), 1276.747:
pins2lts-mc( 0/ 8), 1276.747: Total memory used for local state coloring: 0.4MB
pins2lts-mc( 0/ 8), 1276.747:
pins2lts-mc( 0/ 8), 1276.747: Queue width: 8B, total height: 26123, memory: 0.20MB
pins2lts-mc( 0/ 8), 1276.747: Tree memory: 470.5MB, 17.5 B/state, compr.: 1.1%
pins2lts-mc( 0/ 8), 1276.747: Tree fill ratio (roots/leafs): 20.0%/99.0%
pins2lts-mc( 0/ 8), 1276.747: Stored 238 string chucks using 0MB
pins2lts-mc( 0/ 8), 1276.747: Total memory used for chunk indexing: 0MB
pins2lts-mc( 0/ 8), 1276.747: Est. total memory use: 470.7MB (~1024.2MB 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, -p, --pins-guards, --when, --ltl, ([]((LTLAP0==true)))U(<>([]((LTLAP1==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:98)
at java.lang.Thread.run(Thread.java:748)

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="ResAllocation-PT-R100C002"
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 ResAllocation-PT-R100C002, 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 r151-ebro-155286406300132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ResAllocation-PT-R100C002.tgz
mv ResAllocation-PT-R100C002 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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;