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)
.......
=====================================================================
Generated by BenchKit 2-3254
Executing tool lola
Input is S_BridgeAndVehicles-COL-V80P50N50, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-csrt-149441074400430
=====================================================================

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-0
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-1
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-10
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-11
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-12
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-13
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-14
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-15
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-2
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-3
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-4
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-5
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-6
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-7
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-8
FORMULA_NAME BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-9

=== Now, execution of the tool begins

BK_START 1496347297586


Time: 3600 - MCC
----- Start make prepare stdout -----
===========================================================================================
S_BridgeAndVehicles-COL-V80P50N50: translating COL Petri net model.pnml into LoLA format
===========================================================================================
translating COL Petri net complete
checking for too many tokens
===========================================================================================
S_BridgeAndVehicles-COL-V80P50N50: translating COL formula ReachabilityCardinality into LoLA format
===========================================================================================
translating formula complete
----- Start make result stdout -----
ReachabilityCardinality @ S_BridgeAndVehicles-COL-V80P50N50 @ 3538 seconds
----- Start make result stdout -----
lola: LoLA will run for 3538 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 8816/65536 symbol table entries, 2860 collisions
lola: preprocessing...
lola: finding significant places
lola: 228 places, 8588 transitions, 221 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 9173 transition conflict sets
lola: TASK
lola: reading formula from BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality.task
lola: E (F (((p81 + 1 <= p93 + p94) AND (p90 <= 1)))) : A (G ((1 <= p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p62 + p63 + p64 + p65 + p66 + p67 + p68 + p69 + p70 + p71 + p72 + p73 + p74 + p75 + p76 + p77 + p78 + p79 + p80))) : E (F ((3 <= p93 + p94))) : E (F (((p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p62 + p63 + p64 + p65 + p66 + p67 + p68 + p69 + p70 + p71 + p72 + p73 + p74 + p75 + p76 + p77 + p78 + p79 + p80 <= 2) AND (p83 + p84 <= 0) AND (p85 + 1 <= p146 + p147 + p148 + p149 + p150 + p151 + p152 + p153 + p154 + p155 + p156 + p157 + p158 + p159 + p160 + p161 + p162 + p163 + p164 + p165 + p166 + p167 + p168 + p169 + p170 + p171 + p172 + p173 + p174 + p175 + p176 + p177 + p178 + p179 + p180 + p181 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217 + p218 + p219 + p220 + p221 + p222 + p223 + p224 + p225 + p226)))) : A (G ((p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p62 + p63 + p64 + p65 + p66 + p67 + p68 + p69 + p70 + p71 + p72 + p73 + p74 + p75 + p76 + p77 + p78 + p79 + p80 <= p81))) : A (G (((3 <= p86) OR (1 <= p87) OR ((2 <= p83 + p84))))) : A (G ((p82 + 1 <= p81))) : E (F (((3 <= p86) AND (2 <= p91 + p92) AND (p91 + p92 <= p82)))) : E (F ((((p81 <= p227) OR (2 <= p93 + p94)) AND (p83 + p84 <= 0) AND ((p86 <= p227) OR (p83 + p84 <= p93 + p94)) AND (p85 + 1 <= p83 + p84)))) : A (G (((p91 + p92 <= 2) OR (p82 + 1 <= p100 + p101 + p102 + p103 + p104 + p105 + p106 + p107 + p108 + p109 + p110 + p111 + p112 + p113 + p114 + p115 + p116 + p117 + p118 + p119 + p120 + p121 + p122 + p123 + p124 + p125 + p126 + p127 + p128 + p129 + p130 + p131 + p132 + p133 + p134 + p135 + p136 + p137 + p138 + p139 + p140 + p141 + p142 + p143 + p144 + p145 + p98 + p97 + p96 + p95 + p99) OR ((p85 <= p91 + p92) AND (p88 <= p100 + p101 + p102 + p103 + p104 + p105 + p106 + p107 + p108 + p109 + p110 + p111 + p112 + p113 + p114 + p115 + p116 + p117 + p118 + p119 + p120 + p121 + p122 + p123 + p124 + p125 + p126 + p127 + p128 + p129 + p130 + p131 + p132 + p133 + p134 + p135 + p136 + p137 + p138 + p139 + p140 + p141 + p142 + p143 + p144 + p145 + p98 + p97 + p96 + p95 + p99)) OR (p146 + p147 + p148 + p149 + p150 + p151 + p152 + p153 + p154 + p155 + p156 + p157 + p158 + p159 + p160 + p161 + p162 + p163 + p164 + p165 + p166 + p167 + p168 + p169 + p170 + p171 + p172 + p173 + p174 + p175 + p176 + p177 + p178 + p179 + p180 + p181 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217 + p218 + p219 + p220 + p221 + p222 + p223 + p224 + p225 + p226 <= 2)))) : E (F ((2 <= p83 + p84))) : A (G ((p82 <= 2))) : A (G (((p81 <= 2) OR (p91 + p92 + 1 <= p87) OR (p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p62 + p63 + p64 + p65 + p66 + p67 + p68 + p69 + p70 + p71 + p72 + p73 + p74 + p75 + p76 + p77 + p78 + p79 + p80 <= p146 + p147 + p148 + p149 + p150 + p151 + p152 + p153 + p154 + p155 + p156 + p157 + p158 + p159 + p160 + p161 + p162 + p163 + p164 + p165 + p166 + p167 + p168 + p169 + p170 + p171 + p172 + p173 + p174 + p175 + p176 + p177 + p178 + p179 + p180 + p181 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217 + p218 + p219 + p220 + p221 + p222 + p223 + p224 + p225 + p226) OR (2 <= p146 + p147 + p148 + p149 + p150 + p151 + p152 + p153 + p154 + p155 + p156 + p157 + p158 + p159 + p160 + p161 + p162 + p163 + p164 + p165 + p166 + p167 + p168 + p169 + p170 + p171 + p172 + p173 + p174 + p175 + p176 + p177 + p178 + p179 + p180 + p181 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217 + p218 + p219 + p220 + p221 + p222 + p223 + p224 + p225 + p226)))) : A (G ((((p82 + 1 <= p88) OR ((1 <= p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p62 + p63 + p64 + p65 + p66 + p67 + p68 + p69 + p70 + p71 + p72 + p73 + p74 + p75 + p76 + p77 + p78 + p79 + p80) AND (3 <= p81))) AND (p83 + p84 <= p100 + p101 + p102 + p103 + p104 + p105 + p106 + p107 + p108 + p109 + p110 + p111 + p112 + p113 + p114 + p115 + p116 + p117 + p118 + p119 + p120 + p121 + p122 + p123 + p124 + p125 + p126 + p127 + p128 + p129 + p130 + p131 + p132 + p133 + p134 + p135 + p136 + p137 + p138 + p139 + p140 + p141 + p142 + p143 + p144 + p145 + p98 + p97 + p96 + p95 + p99)))) : A (G (((p83 + p84 + 1 <= p86) AND (((1 <= p100 + p101 + p102 + p103 + p104 + p105 + p106 + p107 + p108 + p109 + p110 + p111 + p112 + p113 + p114 + p115 + p116 + p117 + p118 + p119 + p120 + p121 + p122 + p123 + p124 + p125 + p126 + p127 + p128 + p129 + p130 + p131 + p132 + p133 + p134 + p135 + p136 + p137 + p138 + p139 + p140 + p141 + p142 + p143 + p144 + p145 + p98 + p97 + p96 + p95 + p99)) OR (1 <= p88))))) : E (F ((((p85 <= p146 + p147 + p148 + p149 + p150 + p151 + p152 + p153 + p154 + p155 + p156 + p157 + p158 + p159 + p160 + p161 + p162 + p163 + p164 + p165 + p166 + p167 + p168 + p169 + p170 + p171 + p172 + p173 + p174 + p175 + p176 + p177 + p178 + p179 + p180 + p181 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217 + p218 + p219 + p220 + p221 + p222 + p223 + p224 + p225 + p226) OR (p90 <= p85) OR ((p83 + p84 <= p90) AND (p146 + p147 + p148 + p149 + p150 + p151 + p152 + p153 + p154 + p155 + p156 + p157 + p158 + p159 + p160 + p161 + p162 + p163 + p164 + p165 + p166 + p167 + p168 + p169 + p170 + p171 + p172 + p173 + p174 + p175 + p176 + p177 + p178 + p179 + p180 + p181 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p197 + p198 + p199 + p200 + p201 + p202 + p203 + p204 + p205 + p206 + p207 + p208 + p209 + p210 + p211 + p212 + p213 + p214 + p215 + p216 + p217 + p218 + p219 + p220 + p221 + p222 + p223 + p224 + p225 + p226 <= p86))) AND (3 <= p100 + p101 + p102 + p103 + p104 + p105 + p106 + p107 + p108 + p109 + p110 + p111 + p112 + p113 + p114 + p115 + p116 + p117 + p118 + p119 + p120 + p121 + p122 + p123 + p124 + p125 + p126 + p127 + p128 + p129 + p130 + p131 + p132 + p133 + p134 + p135 + p136 + p137 + p138 + p139 + p140 + p141 + p142 + p143 + p144 + p145 + p98 + p97 + p96 + p95 + p99))))
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F (((p81 + 1 <= p93 + p94) AND (p90 <= 1))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality.sara.
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: ========================================
lola: subprocess 1 will run for 235 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((1 <= p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p62 + p63 + p64 + p65 + p6... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality.sara
lola: The predicate is invariant.
lola: lola: ========================================
state equation: calling and running sara
lola: subprocess 2 will run for 252 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((3 <= p93 + p94)))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality.sara.
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-2.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-2.sara.
lola: sara is running 0 secs || 1627 markings, 2988 edges, 325 markings/sec, 0 secs
lola: sara is running 5 secs || 2589 markings, 5303 edges, 192 markings/sec, 5 secs
sara: place or transition ordering is non-deterministic

sara: place or transition ordering is non-deterministic

lola: sara is running 10 secs || 3482 markings, 7484 edges, 179 markings/sec, 10 secs
lola: state equation: solution impossible
lola: SUBRESULT
lola: result: no
lola: produced by: state equation
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 3 will run for 270 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F (((p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p62 + p63 + p64 + p65 + p66 + ... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 3 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-3.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-3.sara.
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: ========================================
lola: subprocess 4 will run for 293 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p62 + p63 + p64 + p65 + p66 + p... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-4.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-4.sara.
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 5 will run for 319 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((3 <= p86) OR (1 <= p87) OR ((2 <= p83 + p84)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 3 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-5.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-5.sara.
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 6 will run for 351 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((p82 + 1 <= p81)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-6.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-6.sara.
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 7 will run for 390 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F (((3 <= p86) AND (2 <= p91 + p92) AND (p91 + p92 <= p82))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 3 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-7.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-7.sara.
lola: sara is running 0 secs || 2194 markings, 3019 edges, 439 markings/sec, 0 secs
lola: sara is running 5 secs || 3840 markings, 5728 edges, 329 markings/sec, 5 secs
sara: place or transition ordering is non-deterministic

lola: sara is running 10 secs || 5490 markings, 8438 edges, 330 markings/sec, 10 secs
lola: state equation: solution impossible
lola: SUBRESULT
lola: result: no
lola: produced by: state equation
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 8 will run for 437 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((((p81 <= p227) OR (2 <= p93 + p94)) AND (p83 + p84 <= 0) AND ((p86 <= p227) OR (p83 + p84 <= p93 + p94)) AND (p85 + 1 <= p83 + p84))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 16 literals and 4 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-8.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-8.sara.
lola: sara is running 0 secs || 805 markings, 950 edges, 161 markings/sec, 0 secs
lola: sara is running 5 secs || 1328 markings, 1996 edges, 105 markings/sec, 5 secs
sara: place or transition ordering is non-deterministic
lola: sara is running 10 secs || 1942 markings, 3224 edges, 123 markings/sec, 10 secs

lola: state equation: solution impossible
lola: SUBRESULT
lola: result: no
lola: produced by: state equation
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 9 will run for 496 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((p91 + p92 <= 2) OR (p82 + 1 <= p100 + p101 + p102 + p103 + p104 + p105 + p106 + p107 + p108 + p109 + p110 + p111 + p112 + p113 + p114 + p115 + p116 + p117 + p118 + p119 + p120 + p121 + p122 + p123 + p124 + p125 + p126 + p127 + p128 + p129 + p130 + p131 + p132 + p133 + p134 + p135 + p136 + p137 + p138 + p139 + p140 + p141 + p142 + p143 + p144 + p145 + p98 + p97 + p96 + p95 + p99) OR ((p85... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 8 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-9.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-9.sara.
lola: sara is running 0 secs || 1628 markings, 2784 edges, 326 markings/sec, 0 secs
lola: sara is running 5 secs || 2734 markings, 5325 edges, 221 markings/sec, 5 secs
sara: place or transition ordering is non-deterministic

lola: sara is running 10 secs || 3800 markings, 7768 edges, 213 markings/sec, 10 secs
lola: state equation: solution impossible
lola: SUBRESULT
lola: result: yes
lola: produced by: state equation
lola: The predicate is invariant.
lola: ========================================
lola: subprocess 10 will run for 576 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((2 <= p83 + p84)))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-10.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-10.sara.
lola: sara is running 0 secs || 1959 markings, 2755 edges, 392 markings/sec, 0 secs
lola: sara is running 5 secs || 3542 markings, 6357 edges, 317 markings/sec, 5 secs
sara: place or transition ordering is non-deterministic

lola: sara is running 10 secs || 5026 markings, 10052 edges, 297 markings/sec, 10 secs
lola: state equation: solution impossible
lola: SUBRESULT
lola: result: no
lola: produced by: state equation
lola: The predicate is unreachable.
lola: ========================================
lola: subprocess 11 will run for 688 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((p82 <= 2)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-11.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-11.sara.
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 12 will run for 860 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((p81 <= 2) OR (p91 + p92 + 1 <= p87) OR (p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + ... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 4 literals and 1 conjunctive subformulas
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is invariant.
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-12.sara
lola: state equation: calling and running sara
lola: ========================================
lola: subprocess 13 will run for 1147 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((((p82 + 1 <= p88) OR ((1 <= p0 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8 + p9 + p10 + p11 + p12 + p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21 + p22 + p23 + p24 + p25 + p26 + p27 + p28 + p29 + p30 + p31 + p32 + p33 + p34 + p35 + p36 + p37 + p38 + p39 + p40 + p41 + p42 + p43 + p44 + p45 + p46 + p47 + p48 + p49 + p50 + p51 + p52 + p53 + p54 + p55 + p56 + p57 + p58 + p59 + p60 + p61 + p6... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-12.sara.
state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 5 literals and 3 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-13.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-13.sara.
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 14 will run for 1719 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (((p83 + p84 + 1 <= p86) AND (((1 <= p100 + p101 + p102 + p103 + p104 + p105 + p106 + p107 + p108 + p109 + p110 + p111 + p112 + p113 + p114 + p115 + p116 + p117 + p118 + p119 + p120 + p121 + p122 + p123 + p124 + p125 + p126 + p127 + p128 + p129 + p130 + p131 + p132 + p133 + p134 + p135 + p136 + p137 + p138 + p139 + p140 + p141 + p142 + p143 + p144 + p145 + p98 + p97 + p96 + p95 + p99)) OR (1... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 3 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-14.sara
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-14.sara.
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: ========================================
lola: subprocess 15 will run for 3439 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((((p85 <= p146 + p147 + p148 + p149 + p150 + p151 + p152 + p153 + p154 + p155 + p156 + p157 + p158 + p159 + p160 + p161 + p162 + p163 + p164 + p165 + p166 + p167 + p168 + p169 + p170 + p171 + p172 + p173 + p174 + p175 + p176 + p177 + p178 + p179 + p180 + p181 + p182 + p183 + p184 + p185 + p186 + p187 + p188 + p189 + p190 + p191 + p192 + p193 + p194 + p195 + p196 + p197 + p198 + p199 + p200 +... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 884 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: state equation: Generated DNF with 7 literals and 3 conjunctive subformulas
lola: result: no
lola: produced by: state space
lola: The predicate is unreachable.
lola: RESULT
lola:
SUMMARY: yes yes no yes no no no no no yes no no yes no no no
lola: state equation: write sara problem file to BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-15.sara
lola: ========================================
lola: state equation: calling and running sara
sara: try reading problem file BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-15.sara.
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-0 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-1 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-2 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-3 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-4 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-5 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-6 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-7 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-9 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA BridgeAndVehicles-COL-V80P50N50-ReachabilityCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
----- Kill lola and sara stdout -----
----- Finished stdout -----

BK_STOP 1496347398678

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

----- Start make prepare stderr -----
----- Start make result stderr -----
----- Start make result stderr -----
----- Kill lola and sara stderr -----
----- Finished stderr -----

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="S_BridgeAndVehicles-COL-V80P50N50"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="lola"
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/S_BridgeAndVehicles-COL-V80P50N50.tgz
mv S_BridgeAndVehicles-COL-V80P50N50 execution

# this is for BenchKit: explicit launching of the test

cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-3254"
echo " Executing tool lola"
echo " Input is S_BridgeAndVehicles-COL-V80P50N50, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r088-csrt-149441074400430"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.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 ;