fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r212-smll-152732262600009
Last Updated
June 26, 2018

About the Execution of ITS-Tools for CircularTrains-PT-192

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15753.990 3600000.00 3933730.00 11297.00 TFFTFT?TTT?????? normal

Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
..................
/home/mcc/execution
total 320K
-rw-r--r-- 1 mcc users 3.3K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 17K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:49 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K May 15 18:49 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.6K May 26 09:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 10K May 26 09:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 26 09:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.5K May 26 09:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 112 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 350 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.6K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:49 equiv_col
-rw-r--r-- 1 mcc users 4 May 15 18:49 instance
-rw-r--r-- 1 mcc users 6 May 15 18:49 iscolored
-rw-r--r-- 1 mcc users 147K May 15 18:49 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstools
Input is CircularTrains-PT-192, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-smll-152732262600009
=====================================================================


--------------------
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 CircularTrains-PT-192-LTLCardinality-00
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-01
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-02
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-03
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-04
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-05
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-06
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-07
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-08
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-09
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-10
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-11
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-12
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-13
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-14
FORMULA_NAME CircularTrains-PT-192-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1527762694473

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_1.0.0.201805151631/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_1.0.0.201805151631/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 : !(("(Section_22<=Section_183)"))
Formula 0 simplified : !"(Section_22<=Section_183)"
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 192 rows 384 cols
invariant :Section_161 + Section_160 + F160 = 1
invariant :Section_4 + Section_5 + F4 = 1
invariant :Section_11 + Section_10 + F10 = 1
invariant :Section_9 + F8 + Section_8 = 2
invariant :F48 + -1'F47 + Section_49 + -1'Section_47 = -1
invariant :F46 + Section_47 + Section_46 = 1
invariant :Section_144 + Section_143 + F143 = 2
invariant :Section_178 + Section_177 + F177 = 1
invariant :Section_134 + -1'F135 + F134 + -1'Section_136 = 1
invariant :F57 + -1'Section_56 + Section_58 + -1'F56 = -1
invariant :Section_180 + -1'F178 + Section_177 + F177 + F179 = 2
invariant :F79 + Section_79 + Section_80 = 1
invariant :F190 + -1'F189 + -1'F191 + -1'Section_189 + Section_1 + F192 = -1
invariant :Section_101 + Section_100 + F100 = 1
invariant :F110 + -1'Section_109 + -1'F109 + Section_111 = 1
invariant :F89 + Section_90 + -1'F88 + -1'Section_88 = 1
invariant :F136 + Section_136 + -1'Section_138 + -1'F137 = -1
invariant :Section_39 + F39 + Section_40 = 1
invariant :Section_135 + F135 + Section_136 = 1
invariant :F28 + Section_26 + -1'F27 + F26 + Section_29 = 2
invariant :Section_91 + F91 + Section_92 = 1
invariant :Section_154 + Section_153 + F153 = 1
invariant :Section_71 + Section_72 + F71 = 2
invariant :Section_85 + F84 + Section_84 = 1
invariant :Section_34 + F34 + Section_35 = 1
invariant :Section_172 + F172 + Section_173 = 1
invariant :F14 + Section_15 + -1'F13 + -1'Section_13 = 1
invariant :Section_75 + Section_76 + F75 = 1
invariant :Section_110 + Section_109 + F109 = 1
invariant :F44 + Section_45 + Section_44 = 2
invariant :Section_25 + Section_24 + F24 = 1
invariant :Section_140 + Section_139 + F139 = 1
invariant :F168 + Section_169 + Section_168 = 1
invariant :F45 + Section_45 + Section_46 = 1
invariant :F32 + Section_33 + -1'F31 + -1'Section_31 = 1
invariant :F131 + -1'F130 + -1'Section_133 + Section_129 + -1'F132 + F129 = 1
invariant :Section_171 + -1'F172 + F171 + -1'Section_173 = 0
invariant :Section_48 + F47 + Section_47 = 2
invariant :Section_104 + F106 + -1'F105 + Section_107 + F104 = 2
invariant :Section_43 + F43 + Section_44 = 1
invariant :Section_6 + Section_5 + F5 = 2
invariant :F51 + Section_49 + F49 + Section_52 + -1'F50 = 0
invariant :F124 + -1'F123 + Section_125 + -1'Section_123 = 0
invariant :Section_170 + Section_169 + F169 = 1
invariant :F6 + -1'Section_5 + Section_7 + -1'F5 = -1
invariant :Section_42 + -1'F40 + -1'Section_40 + F41 = 1
invariant :Section_12 + -1'Section_10 + -1'F10 + F11 = 1
invariant :F23 + Section_24 + -1'F22 + -1'Section_22 = 1
invariant :F126 + Section_127 + -1'Section_125 + -1'F125 = -1
invariant :Section_185 + F184 + Section_184 = 1
invariant :F37 + F39 + Section_40 + -1'F36 + Section_35 + -1'F38 + F35 = 1
invariant :F112 + -1'Section_111 + Section_113 + -1'F111 = 0
invariant :Section_147 + Section_146 + F146 = 2
invariant :Section_18 + Section_17 + F17 = 2
invariant :F185 + -1'F184 + -1'Section_184 + Section_186 = 1
invariant :F86 + Section_87 + Section_86 = 2
invariant :F161 + F163 + -1'Section_160 + Section_164 + -1'F162 + -1'F160 = 1
invariant :Section_162 + -1'F163 + -1'Section_164 + F162 = 0
invariant :Section_112 + Section_111 + F111 = 1
invariant :Section_179 + F178 + -1'Section_177 + -1'F177 = 0
invariant :F164 + Section_164 + -1'Section_166 + -1'F165 = 1
invariant :Section_2 + F1 + Section_1 = 1
invariant :Section_124 + F123 + Section_123 = 1
invariant :Section_149 + Section_148 + F148 = 1
invariant :F69 + -1'F68 + Section_70 + -1'Section_68 = -1
invariant :F70 + -1'Section_72 + Section_70 + -1'F71 = -1
invariant :Section_188 + F187 + Section_187 = 1
invariant :Section_82 + F81 + -1'F80 + -1'Section_80 = -1
invariant :F58 + Section_58 + Section_59 = 1
invariant :F122 + Section_123 + Section_122 = 2
invariant :Section_158 + Section_157 + F157 = 1
invariant :F119 + -1'F118 + -1'Section_118 + Section_120 = 1
invariant :Section_55 + F54 + -1'Section_53 + -1'F53 = -1
invariant :Section_23 + F22 + Section_22 = 1
invariant :Section_176 + F175 + Section_175 = 1
invariant :Section_174 + F173 + Section_173 = 2
invariant :F90 + -1'F91 + Section_90 + -1'Section_92 = 0
invariant :F19 + Section_19 + Section_20 = 1
invariant :F74 + -1'Section_76 + -1'F75 + Section_74 = 1
invariant :F115 + Section_116 + -1'F114 + -1'Section_114 = 0
invariant :Section_119 + F118 + Section_118 = 1
invariant :F166 + -1'F167 + Section_166 + -1'Section_168 = -1
invariant :Section_190 + F189 + Section_189 = 1
invariant :F101 + -1'Section_100 + -1'F100 + Section_102 = 1
invariant :F151 + Section_151 + Section_152 = 1
invariant :F188 + -1'F187 + -1'Section_187 + Section_189 = 1
invariant :Section_131 + F130 + -1'Section_129 + -1'F129 = 0
invariant :Section_81 + F80 + Section_80 = 2
invariant :F59 + Section_60 + Section_59 = 2
invariant :F145 + Section_145 + Section_146 = 1
invariant :F170 + -1'Section_169 + F172 + -1'F169 + -1'F171 + Section_173 = 1
invariant :F30 + -1'F29 + Section_31 + -1'Section_29 = -1
invariant :Section_67 + F66 + -1'F65 + -1'Section_65 = -1
invariant :Section_105 + -1'F106 + F105 + -1'Section_107 = 0
invariant :Section_191 + F191 + -1'Section_1 + -1'F192 = 1
invariant :Section_73 + Section_72 + F72 = 1
invariant :F147 + Section_148 + -1'Section_146 + -1'F146 = -1
invariant :F9 + Section_10 + -1'F8 + -1'Section_8 = -1
invariant :F73 + -1'Section_72 + -1'F72 + Section_74 = 0
invariant :Section_192 + Section_1 + F192 = 1
invariant :F55 + Section_56 + -1'F54 + Section_53 + F53 = 2
invariant :F61 + Section_61 + Section_62 = 1
invariant :Section_137 + Section_138 + F137 = 2
invariant :F82 + -1'F81 + F80 + Section_83 + Section_80 = 2
invariant :Section_54 + Section_53 + F53 = 2
invariant :Section_37 + F36 + -1'Section_35 + -1'F35 = -1
invariant :F159 + Section_160 + Section_159 = 1
invariant :F25 + -1'Section_24 + Section_26 + -1'F24 = 0
invariant :F99 + Section_99 + Section_100 = 1
invariant :Section_64 + Section_63 + F63 = 1
invariant :F156 + Section_157 + -1'F155 + -1'Section_155 = -1
invariant :Section_16 + Section_15 + F15 = 1
invariant :F3 + Section_3 + -1'Section_5 + -1'F4 = 0
invariant :Section_156 + F155 + Section_155 = 2
invariant :Section_182 + F181 + -1'F178 + Section_177 + -1'F180 + F177 + F179 = 2
invariant :Section_32 + F31 + Section_31 = 1
invariant :Section_132 + Section_133 + F132 = 1
invariant :Section_30 + F29 + Section_29 = 2
invariant :F7 + Section_8 + Section_7 = 1
invariant :F95 + -1'Section_60 + F43 + F34 + -1'Section_33 + -1'Section_87 + F91 + -1'Section_90 + -1'Section_127 + F167 + -1'Section_151 + F118 + F130 + F100 + -1'Section_79 + -1'Section_164 + F148 + F106 + F29 + F1 + -1'Section_45 + F187 + -1'Section_150 + F109 + F162 + F15 + F184 + F68 + F77 + F54 + F139 + -1'Section_3 + -1'Section_26 + -1'Section_10 + F123 + F178 + F84 + F155 + F47 + F63 + F8 + -1'Section_145 + F31 + F75 + -1'Section_49 + F24 + Section_72 + -1'Section_177 + F175 + F182 + F72 + F189 + F27 + F88 + F114 + Section_5 + -1'Section_70 + F13 + -1'Section_19 + F66 + -1'Section_40 + F36 + F107 + F128 + -1'Section_61 + F93 + -1'Section_152 + -1'Section_74 + F157 + F134 + F180 + -1'Section_58 + F173 + -1'Section_97 + F22 + F160 + F169 + -1'Section_136 + F102 + F81 + -1'Section_7 + F191 + F125 + -1'Section_83 + -1'Section_53 + F5 + -1'Section_186 + F141 + -1'Section_59 + F11 + F71 + F116 + F171 + F4 + F165 + F120 + F132 + Section_107 + F98 + F41 + -1'Section_113 + F56 + -1'Section_86 + -1'Section_159 + F104 + -1'Section_52 + F111 + -1'Section_62 + F20 + F153 + -1'Section_122 + F17 + F146 + -1'Section_65 + F38 + F50 + -1'Section_46 + F143 + F137 + -1'Section_80 = 44
invariant :F183 + F181 + -1'F178 + Section_177 + -1'F182 + Section_184 + -1'F180 + F177 + F179 = 1
invariant :F149 + -1'Section_148 + -1'F148 + Section_150 = 1
invariant :F87 + Section_87 + Section_88 = 1
invariant :F113 + Section_114 + Section_113 = 2
invariant :Section_21 + Section_20 + F20 = 2
invariant :F18 + -1'Section_17 + Section_19 + -1'F17 = -1
invariant :Section_69 + F68 + Section_68 = 2
invariant :Section_94 + F93 + -1'Section_92 + -1'F92 = -1
invariant :F78 + Section_79 + -1'F77 + -1'Section_77 = -1
invariant :F60 + Section_60 + Section_61 = 1
invariant :F85 + -1'F84 + -1'Section_84 + Section_86 = 0
invariant :Section_27 + Section_26 + F26 = 2
invariant :Section_163 + F163 + Section_164 = 1
invariant :F76 + Section_76 + Section_77 = 1
invariant :Section_165 + Section_166 + F165 = 1
invariant :Section_98 + Section_99 + F98 = 2
invariant :F140 + -1'Section_139 + -1'F139 + Section_141 = 1
invariant :Section_14 + F13 + Section_13 = 1
invariant :F176 + Section_177 + -1'F175 + -1'Section_175 = 1
invariant :Section_57 + Section_56 + F56 = 2
invariant :F21 + -1'Section_20 + Section_22 + -1'F20 = -1
invariant :F94 + -1'Section_60 + F96 + F43 + F34 + -1'Section_33 + -1'Section_87 + F91 + -1'Section_90 + -1'Section_127 + F167 + -1'Section_151 + F118 + F130 + F100 + -1'Section_79 + -1'Section_164 + F148 + F106 + F29 + F1 + -1'Section_45 + F187 + -1'Section_150 + F109 + F162 + F15 + F184 + F68 + F77 + F54 + F139 + -1'Section_3 + -1'Section_26 + -1'Section_10 + F123 + F178 + F84 + F155 + F47 + F63 + F8 + -1'Section_145 + F31 + F75 + -1'Section_49 + F24 + Section_72 + -1'Section_177 + F175 + F182 + F72 + F189 + F27 + F88 + F114 + Section_5 + -1'Section_70 + F13 + -1'Section_19 + F66 + -1'Section_40 + F36 + F107 + F128 + -1'Section_61 + -1'Section_152 + -1'Section_74 + F157 + F134 + F180 + -1'Section_58 + F173 + F22 + F160 + F169 + -1'Section_136 + F102 + F81 + -1'Section_7 + F191 + F125 + -1'Section_83 + -1'Section_53 + F5 + -1'Section_186 + F141 + -1'Section_59 + F11 + F71 + F116 + F171 + F4 + F165 + F120 + F132 + Section_92 + Section_107 + F98 + F41 + -1'Section_113 + F56 + -1'Section_86 + -1'Section_159 + F104 + -1'Section_52 + F111 + -1'Section_62 + F20 + F153 + -1'Section_122 + F17 + F146 + -1'Section_65 + F92 + F38 + F50 + -1'Section_46 + F143 + F137 + -1'Section_80 = 45
invariant :Section_106 + F106 + Section_107 = 1
invariant :F142 + Section_143 + -1'F141 + -1'Section_141 = 0
invariant :Section_121 + F120 + Section_120 = 1
invariant :Section_95 + Section_60 + -1'F96 + -1'F43 + -1'F34 + Section_33 + Section_87 + -1'F91 + Section_90 + Section_127 + -1'F167 + Section_151 + -1'F118 + -1'F130 + -1'F100 + Section_79 + Section_164 + -1'F148 + -1'F106 + -1'F29 + -1'F1 + Section_45 + -1'F187 + Section_150 + -1'F109 + -1'F162 + -1'F15 + -1'F184 + -1'F68 + -1'F77 + -1'F54 + -1'F139 + Section_3 + Section_26 + Section_10 + -1'F123 + -1'F178 + -1'F84 + -1'F155 + -1'F47 + -1'F63 + -1'F8 + Section_145 + -1'F31 + -1'F75 + Section_49 + -1'F24 + -1'Section_72 + Section_177 + -1'F175 + -1'F182 + -1'F72 + -1'F189 + -1'F27 + -1'F88 + -1'F114 + -1'Section_5 + Section_70 + -1'F13 + Section_19 + -1'F66 + Section_40 + -1'F36 + -1'F107 + -1'F128 + Section_61 + -1'F93 + Section_152 + Section_74 + -1'F157 + -1'F134 + -1'F180 + Section_58 + -1'F173 + -1'F22 + -1'F160 + -1'F169 + Section_136 + -1'F102 + -1'F81 + Section_7 + -1'F191 + -1'F125 + Section_83 + Section_53 + -1'F5 + Section_186 + -1'F141 + Section_59 + -1'F11 + -1'F71 + -1'F116 + -1'F171 + -1'F4 + -1'F165 + -1'F120 + -1'F132 + -1'Section_107 + -1'F98 + -1'F41 + Section_113 + -1'F56 + Section_86 + Section_159 + -1'F104 + Section_52 + -1'F111 + Section_62 + -1'F20 + -1'F153 + Section_122 + -1'F17 + -1'F146 + Section_65 + -1'F38 + -1'F50 + Section_46 + -1'F143 + -1'F137 + Section_80 = -43
invariant :Section_167 + F167 + Section_168 = 2
invariant :Section_38 + -1'F39 + -1'Section_40 + F38 = 1
invariant :F42 + -1'F43 + F40 + Section_40 + -1'Section_44 + -1'F41 = -1
invariant :F154 + Section_155 + -1'Section_153 + -1'F153 = 0
invariant :F52 + Section_53 + Section_52 = 1
invariant :Section_130 + Section_129 + F129 = 1
invariant :F150 + Section_151 + Section_150 = 1
invariant :Section_117 + Section_116 + F116 = 2
invariant :Section_41 + F40 + Section_40 = 1
invariant :Section_126 + Section_125 + F125 = 2
invariant :Section_36 + Section_35 + F35 = 2
invariant :Section_115 + F114 + Section_114 = 1
invariant :Section_181 + F178 + -1'Section_177 + F180 + -1'F177 + -1'F179 = -1
invariant :F33 + -1'F34 + Section_33 + -1'Section_35 = 0
invariant :Section_96 + F96 + Section_97 = 1
invariant :Section_128 + F128 + Section_129 = 2
invariant :F121 + -1'F120 + Section_122 + -1'Section_120 = 0
invariant :F62 + Section_63 + Section_62 = 2
invariant :Section_142 + F141 + Section_141 = 1
invariant :F127 + Section_127 + -1'F128 + -1'Section_129 = -1
invariant :F64 + -1'Section_63 + -1'F63 + Section_65 = 0
invariant :F83 + Section_84 + Section_83 = 2
invariant :F174 + Section_175 + -1'F173 + -1'Section_173 = -1
invariant :F2 + -1'F1 + Section_3 + -1'Section_1 = 1
invariant :Section_51 + -1'Section_49 + -1'F49 + F50 = 1
invariant :F12 + Section_10 + F10 + -1'F11 + Section_13 = 0
invariant :F152 + Section_152 + Section_153 = 2
invariant :F67 + -1'F66 + F65 + Section_68 + Section_65 = 2
invariant :Section_183 + -1'F181 + F178 + -1'Section_177 + F182 + F180 + -1'F177 + -1'F179 = 0
invariant :F16 + -1'Section_15 + Section_17 + -1'F15 = 0
invariant :F108 + Section_109 + -1'F107 + -1'Section_107 = -1
invariant :F117 + Section_118 + -1'Section_116 + -1'F116 = -1
invariant :Section_78 + F77 + Section_77 = 2
invariant :Section_89 + F88 + Section_88 = 1
invariant :F144 + Section_145 + -1'Section_143 + -1'F143 = -1
invariant :F103 + -1'F106 + -1'Section_102 + -1'F102 + F105 + -1'Section_107 + -1'F104 = -2
invariant :Section_28 + -1'Section_26 + F27 + -1'F26 = -1
invariant :F138 + Section_139 + Section_138 = 1
invariant :F158 + -1'Section_157 + -1'F157 + Section_159 = 1
invariant :F186 + Section_187 + Section_186 = 1
invariant :Section_66 + F65 + Section_65 = 2
invariant :Section_50 + Section_49 + F49 = 1
invariant :Section_93 + Section_92 + F92 = 2
invariant :Section_108 + F107 + Section_107 = 2
invariant :Section_103 + Section_102 + F102 = 1
invariant :F133 + F135 + Section_133 + -1'F134 + Section_136 = 0
invariant :F97 + -1'Section_99 + Section_97 + -1'F98 = -1
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O3, model.c], workingDir=/home/mcc/execution]
Compilation finished in 3878 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 54 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP0==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 112 ms.
FORMULA CircularTrains-PT-192-LTLCardinality-00 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (((LTLAP1==true))U((LTLAP2==true)))U(((LTLAP3==true))U((LTLAP4==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 592 ms.
FORMULA CircularTrains-PT-192-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=1, -p, --pins-guards, --when, --ltl, []((LTLAP5==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 386 ms.
FORMULA CircularTrains-PT-192-LTLCardinality-02 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, ((LTLAP6==true))U((LTLAP7==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 100 ms.
FORMULA CircularTrains-PT-192-LTLCardinality-03 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, []([]((LTLAP8==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 382 ms.
FORMULA CircularTrains-PT-192-LTLCardinality-04 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP9==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 99 ms.
FORMULA CircularTrains-PT-192-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=1, --when, --ltl, X(X(<>(X((LTLAP10==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
1 unique states visited
0 strongly connected components in search stack
0 transitions explored
1 items max in DFS search stack
7103 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,0,71.0671,1288984,1,0,5,9.40286e+06,14,0,7727,2.37276e+06,4
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA CircularTrains-PT-192-LTLCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 1 : !(((("(F134>=2)")U("(Section_116>=2)"))U(("(Section_111<=Section_95)")U("(F35>=3)"))))
Formula 1 simplified : !(("(F134>=2)" U "(Section_116>=2)") U ("(Section_111<=Section_95)" U "(F35>=3)"))
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
1606 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,0,87.1313,1567716,1,0,6,1.15387e+07,52,0,8711,2.6563e+06,24
an accepting run exists (use option '-e' to print it)
Formula 1 is FALSE accepting run found.
FORMULA CircularTrains-PT-192-LTLCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 2 : !((G("(F42>=1)")))
Formula 2 simplified : !G"(F42>=1)"
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
0 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,0,87.133,1568032,1,0,6,1.15387e+07,59,0,8712,2.6563e+06,30
an accepting run exists (use option '-e' to print it)
Formula 2 is FALSE accepting run found.
FORMULA CircularTrains-PT-192-LTLCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 3 : !((("(Section_160<=F59)")U("(Section_36<=Section_78)")))
Formula 3 simplified : !("(Section_160<=F59)" U "(Section_36<=Section_78)")
1 unique states visited
0 strongly connected components in search stack
0 transitions explored
1 items max in DFS search stack
0 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,0,87.1341,1568032,1,0,6,1.15387e+07,69,0,8721,2.6563e+06,34
no accepting run found
Formula 3 is TRUE no accepting run found.
FORMULA CircularTrains-PT-192-LTLCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 4 : !((G(G("(Section_41>=2)"))))
Formula 4 simplified : !G"(Section_41>=2)"
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
0 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,0,87.1353,1568032,1,0,6,1.15387e+07,75,0,8723,2.6563e+06,39
an accepting run exists (use option '-e' to print it)
Formula 4 is FALSE accepting run found.
FORMULA CircularTrains-PT-192-LTLCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 5 : !(("(Section_23<=Section_107)"))
Formula 5 simplified : !"(Section_23<=Section_107)"
1 unique states visited
0 strongly connected components in search stack
0 transitions explored
1 items max in DFS search stack
0 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,0,87.1361,1568032,1,0,6,1.15387e+07,78,0,8727,2.6563e+06,41
no accepting run found
Formula 5 is TRUE no accepting run found.
FORMULA CircularTrains-PT-192-LTLCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 6 : !((X(X(F(X("(F78<=Section_28)"))))))
Formula 6 simplified : !XXFX"(F78<=Section_28)"
WARNING : LTSmin timed out (>225 s) on command CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X(X(<>(X((LTLAP10==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP11==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 102 ms.
FORMULA CircularTrains-PT-192-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=1, -p, --pins-guards, --when, --ltl, <>(([]((LTLAP12==true)))U(<>((LTLAP13==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 103 ms.
FORMULA CircularTrains-PT-192-LTLCardinality-08 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, ((LTLAP14==true))U((LTLAP15==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 99 ms.
FORMULA CircularTrains-PT-192-LTLCardinality-09 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X([]((LTLAP16==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=1, --when, --ltl, X([]((LTLAP16==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
+ /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 -consoleLog -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
May 31, 2018 10:31:36 AM 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]
May 31, 2018 10:31:36 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
May 31, 2018 10:31:37 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 114 ms
May 31, 2018 10:31:37 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 384 places.
May 31, 2018 10:31:37 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 192 transitions.
May 31, 2018 10:31:37 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 21 ms
May 31, 2018 10:31:37 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 130 ms
May 31, 2018 10:31:37 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLCardinality.pnml.gal : 8 ms
May 31, 2018 10:31:37 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLCardinality.ltl : 2 ms
May 31, 2018 10:31:38 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 192 transitions.
May 31, 2018 10:31:38 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 193 place invariants in 156 ms
May 31, 2018 10:31:39 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 384 variables to be positive in 794 ms
May 31, 2018 10:31:39 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 192 transitions.
May 31, 2018 10:31:39 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/192 took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
May 31, 2018 10:31:39 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 37 ms. Total solver calls (SAT/UNSAT): 0(0/0)
May 31, 2018 10:31:39 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 192 transitions.
May 31, 2018 10:31:39 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
May 31, 2018 10:31:39 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 192 transitions.
May 31, 2018 10:31:42 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(9/192) took 2245 ms. Total solver calls (SAT/UNSAT): 575(552/23)
May 31, 2018 10:31:45 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(28/192) took 5246 ms. Total solver calls (SAT/UNSAT): 1400(1326/74)
May 31, 2018 10:31:48 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(74/192) took 8256 ms. Total solver calls (SAT/UNSAT): 2328(2179/149)
May 31, 2018 10:31:51 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(113/192) took 11354 ms. Total solver calls (SAT/UNSAT): 3316(3126/190)
May 31, 2018 10:31:54 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of co-enabling matrix(143/192) took 14387 ms. Total solver calls (SAT/UNSAT): 4256(4046/210)
May 31, 2018 10:31:56 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 16463 ms. Total solver calls (SAT/UNSAT): 4737(4515/222)
May 31, 2018 10:31:56 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 192 transitions.
May 31, 2018 10:32:02 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 6343 ms. Total solver calls (SAT/UNSAT): 162(0/162)
May 31, 2018 10:32:02 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 25099ms conformant to PINS in folder :/home/mcc/execution
pins2lts-mc, 0.000: Registering PINS so language module
pins2lts-mc, 0.000: Loading model from ./gal.so
pins2lts-mc, 0.000: library has no initializer
pins2lts-mc, 0.000: loading model GAL
pins2lts-mc, 0.001: completed loading model GAL
pins2lts-mc, 0.001: LTL layer: formula: X([]((LTLAP16==true)))
pins2lts-mc, 0.001: "X([]((LTLAP16==true)))" is not a file, parsing as formula...
pins2lts-mc, 0.001: Using Spin LTL semantics
pins2lts-mc, 0.008: buchi has 3 states
pins2lts-mc, 0.008: Weak Buchi automaton detected, adding non-accepting as progress label.
pins2lts-mc, 0.013: DFS-FIFO for weak LTL, using special progress label 216
pins2lts-mc, 0.013: There are 217 state labels and 1 edge labels
pins2lts-mc, 0.013: State length is 385, there are 196 groups
pins2lts-mc, 0.013: Running dfsfifo using 1 core (sequential)
pins2lts-mc, 0.013: Using a tree table with 2^27 elements
pins2lts-mc, 0.013: Successor permutation: rr
pins2lts-mc, 0.013: Global bits: 2, count bits: 0, local bits: 0
pins2lts-mc, 0.563: 1 levels 1000 states 63957 transitions
pins2lts-mc, 0.914: 1 levels 2000 states 127938 transitions
pins2lts-mc, 1.537: 1543 levels 4000 states 217630 transitions
pins2lts-mc, 2.533: 5543 levels 8000 states 362570 transitions
pins2lts-mc, 4.362: 13543 levels 16000 states 659255 transitions
pins2lts-mc, 7.701: 29543 levels 32000 states 1243726 transitions
pins2lts-mc, 14.070: 61543 levels 64000 states 2376105 transitions
pins2lts-mc, 28.114: 125543 levels 128000 states 4680898 transitions
pins2lts-mc, 50.061: Error: tree leafs table full! Change -s/--ratio.
pins2lts-mc, 51.960:
pins2lts-mc, 51.960:
pins2lts-mc, 51.960: Explored 159376 states 5817013 transitions, fanout: 36.499
pins2lts-mc, 51.960: Total exploration time 51.950 sec (51.950 sec minimum, 51.950 sec on average)
pins2lts-mc, 51.960: States per second: 3068, Transitions per second: 111973
pins2lts-mc, 51.960:
pins2lts-mc, 51.960: Progress states detected: 58899
pins2lts-mc, 51.960: Redundant explorations: -97.2132
pins2lts-mc, 51.960:
pins2lts-mc, 51.960: Queue width: 8B, total height: 259058, memory: 1.98MB
pins2lts-mc, 51.960: Tree memory: 299.6MB, 54.9 B/state, compr.: 3.6%
pins2lts-mc, 51.961: Tree fill ratio (roots/leafs): 4.0%/99.0%
pins2lts-mc, 51.961: Stored 192 string chucks using 0MB
pins2lts-mc, 51.961: Total memory used for chunk indexing: 0MB
pins2lts-mc, 51.961: Est. total memory use: 301.6MB (~1026.0MB paged-in)
java.lang.RuntimeException: Unexpected exception when executing ltsmin :CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X([]((LTLAP16==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)

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="CircularTrains-PT-192"
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

tar xzf /home/mcc/BenchKit/INPUTS/CircularTrains-PT-192.tgz
mv CircularTrains-PT-192 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool itstools"
echo " Input is CircularTrains-PT-192, 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 r212-smll-152732262600009"
echo "====================================================================="
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 ;