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 itstools
Input is S_AirplaneLD-COL-0010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r090-csrt-149441076300006
=====================================================================

--------------------
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 AirplaneLD-COL-0010-LTLFireability-0
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-1
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-10
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-11
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-12
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-13
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-14
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-15
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-2
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-3
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-4
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-5
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-6
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-7
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-8
FORMULA_NAME AirplaneLD-COL-0010-LTLFireability-9

=== Now, execution of the tool begins

BK_START 1496380698555


Using solver YICES2 to compute partial order matrices.
Built C files in :
/home/mcc/execution
its-ltl command run as :

/home/mcc/BenchKit/eclipse/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201705302212/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((F(G((("P1.P1[0]>=1")&&("Weight0.Weight_Left_Wheel_0>=1"))U(X((((((("P5.P5[0]>=1")&&("Speed0.Speed_Right_Wheel_0>=1"))||(("P5.P5[0]>=1")&&("Speed1.Speed_Right_Wheel_1>=1")))||(("P5.P5[0]>=1")&&("Speed2.Speed_Right_Wheel_2>=1")))||(("P5.P5[0]>=1")&&("Speed3.Speed_Right_Wheel_3>=1")))||(("P5.P5[0]>=1")&&("Speed4.Speed_Right_Wheel_4>=1")))||(("P5.P5[0]>=1")&&("Speed9.Speed_Right_Wheel_9>=1"))))))))
Formula 0 simplified : !FG(("P1.P1[0]>=1" & "Weight0.Weight_Left_Wheel_0>=1") U X(("P5.P5[0]>=1" & "Speed0.Speed_Right_Wheel_0>=1") | ("P5.P5[0]>=1" & "Speed1.Speed_Right_Wheel_1>=1") | ("P5.P5[0]>=1" & "Speed2.Speed_Right_Wheel_2>=1") | ("P5.P5[0]>=1" & "Speed3.Speed_Right_Wheel_3>=1") | ("P5.P5[0]>=1" & "Speed4.Speed_Right_Wheel_4>=1") | ("P5.P5[0]>=1" & "Speed9.Speed_Right_Wheel_9>=1")))
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 88 rows 57 cols
invariant : -1'Signal0:Plane_On_Ground_Signal_no_0 + -1'Signal1:Plane_On_Ground_Signal_no_1 + 1'P6:P6[0]= 0
invariant : 1'Signal0:Plane_On_Ground_Signal_no_0 + 1'Signal1:Plane_On_Ground_Signal_no_1 + 1'P5:P5[0] + 1'P4:P4[0] + 1'P3:P3[0] + 1'P2:P2[0] + 1'P1:P1[0]= 1
invariant : 1'Signal0:Plane_On_Ground_Signal_no_0 + 1'Signal1:Plane_On_Ground_Signal_no_1 + 1'stp1:stp1[0] + 1'P5:P5[0] + 1'P4:P4[0] + 1'P3:P3[0] + 1'P2:P2[0] + 1'Weight0:Weight_Left_Wheel_0 + 1'Weight1:Weight_Left_Wheel_1= 1
12 unique states visited
11 strongly connected components in search stack
13 transitions explored
12 items max in DFS search stack
31 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,0,0.392871,43740,1,0,41128,181,1042,42527,36,163,88275
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-0 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 1 : !(("stp3.stp3[0]>=1"))
Formula 1 simplified : !"stp3.stp3[0]>=1"
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,0,0.393387,43800,1,0,41128,181,1045,42527,36,163,88292
no accepting run found
Formula 1 is TRUE no accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-1 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 2 : !((("Weight1.Weight_Left_Wheel_1>=1")&&("P1.P1[0]>=1")))
Formula 2 simplified : !("P1.P1[0]>=1" & "Weight1.Weight_Left_Wheel_1>=1")
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
1 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,0,0.397408,43844,1,0,41841,181,1055,42889,36,163,89809
an accepting run exists (use option '-e' to print it)
Formula 2 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-2 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 3 : !(((G(("stp3.stp3[0]>=1")U("stp3.stp3[0]>=1")))U((((((("P4.P4[0]>=1")&&("Speed0.Speed_Left_Wheel_0>=1"))||(("P4.P4[0]>=1")&&("Speed1.Speed_Left_Wheel_1>=1")))||(("P4.P4[0]>=1")&&("Speed2.Speed_Left_Wheel_2>=1")))||(("P4.P4[0]>=1")&&("Speed3.Speed_Left_Wheel_3>=1")))||(("P4.P4[0]>=1")&&("Speed4.Speed_Left_Wheel_4>=1")))||(("P4.P4[0]>=1")&&("Speed9.Speed_Left_Wheel_9>=1")))))
Formula 3 simplified : !(G"stp3.stp3[0]>=1" U (("P4.P4[0]>=1" & "Speed0.Speed_Left_Wheel_0>=1") | ("P4.P4[0]>=1" & "Speed1.Speed_Left_Wheel_1>=1") | ("P4.P4[0]>=1" & "Speed2.Speed_Left_Wheel_2>=1") | ("P4.P4[0]>=1" & "Speed3.Speed_Left_Wheel_3>=1") | ("P4.P4[0]>=1" & "Speed4.Speed_Left_Wheel_4>=1") | ("P4.P4[0]>=1" & "Speed9.Speed_Left_Wheel_9>=1")))
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
4 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,0,0.437413,45396,1,0,45868,181,1137,47704,36,163,98138
an accepting run exists (use option '-e' to print it)
Formula 3 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-3 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 4 : !((F(G((G(("Weight1.Weight_Left_Wheel_1>=1")&&("P1.P1[0]>=1")))U(X(("Weight1.Weight_Right_Wheel_1>=1")&&("P2.P2[0]>=1")))))))
Formula 4 simplified : !FG(G("P1.P1[0]>=1" & "Weight1.Weight_Left_Wheel_1>=1") U X("P2.P2[0]>=1" & "Weight1.Weight_Right_Wheel_1>=1"))
9 unique states visited
8 strongly connected components in search stack
10 transitions explored
9 items max in DFS search stack
16 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,0,0.603523,52864,1,0,65451,181,1221,64223,36,163,141516
an accepting run exists (use option '-e' to print it)
Formula 4 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-4 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 5 : !((F((((("Speed5.Speed_Left_Wheel_5>=1")&&("P4.P4[0]>=1"))||(("Speed6.Speed_Left_Wheel_6>=1")&&("P4.P4[0]>=1")))||(("Speed7.Speed_Left_Wheel_7>=1")&&("P4.P4[0]>=1")))||(("Speed8.Speed_Left_Wheel_8>=1")&&("P4.P4[0]>=1")))))
Formula 5 simplified : !F(("P4.P4[0]>=1" & "Speed5.Speed_Left_Wheel_5>=1") | ("P4.P4[0]>=1" & "Speed6.Speed_Left_Wheel_6>=1") | ("P4.P4[0]>=1" & "Speed7.Speed_Left_Wheel_7>=1") | ("P4.P4[0]>=1" & "Speed8.Speed_Left_Wheel_8>=1"))
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
5 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,0,0.658668,55944,1,0,73246,181,1274,72041,36,163,157741
an accepting run exists (use option '-e' to print it)
Formula 5 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-5 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 6 : !(((G(G(G("stp1.stp1[0]>=1"))))U(X(X(X(("Weight1.Weight_Left_Wheel_1>=1")&&("P1.P1[0]>=1")))))))
Formula 6 simplified : !(G"stp1.stp1[0]>=1" U XXX("P1.P1[0]>=1" & "Weight1.Weight_Left_Wheel_1>=1"))
8 unique states visited
8 strongly connected components in search stack
8 transitions explored
8 items max in DFS search stack
7 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,0,0.735912,60260,1,0,85795,181,1303,79805,36,163,185834
an accepting run exists (use option '-e' to print it)
Formula 6 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-6 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 7 : !((F(F((F((((("P5.P5[0]>=1")&&("Speed5.Speed_Right_Wheel_5>=1"))||(("P5.P5[0]>=1")&&("Speed6.Speed_Right_Wheel_6>=1")))||(("P5.P5[0]>=1")&&("Speed7.Speed_Right_Wheel_7>=1")))||(("P5.P5[0]>=1")&&("Speed8.Speed_Right_Wheel_8>=1"))))U(G("stp1.stp1[0]>=1"))))))
Formula 7 simplified : !F(F(("P5.P5[0]>=1" & "Speed5.Speed_Right_Wheel_5>=1") | ("P5.P5[0]>=1" & "Speed6.Speed_Right_Wheel_6>=1") | ("P5.P5[0]>=1" & "Speed7.Speed_Right_Wheel_7>=1") | ("P5.P5[0]>=1" & "Speed8.Speed_Right_Wheel_8>=1")) U G"stp1.stp1[0]>=1")
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
13 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,0,0.864425,66020,1,0,98177,181,1362,93736,36,163,214034
an accepting run exists (use option '-e' to print it)
Formula 7 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-7 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 8 : !((X(X((((((("P5.P5[0]>=1")&&("Speed0.Speed_Right_Wheel_0>=1"))||(("P5.P5[0]>=1")&&("Speed1.Speed_Right_Wheel_1>=1")))||(("P5.P5[0]>=1")&&("Speed2.Speed_Right_Wheel_2>=1")))||(("P5.P5[0]>=1")&&("Speed3.Speed_Right_Wheel_3>=1")))||(("P5.P5[0]>=1")&&("Speed4.Speed_Right_Wheel_4>=1")))||(("P5.P5[0]>=1")&&("Speed9.Speed_Right_Wheel_9>=1"))))))
Formula 8 simplified : !XX(("P5.P5[0]>=1" & "Speed0.Speed_Right_Wheel_0>=1") | ("P5.P5[0]>=1" & "Speed1.Speed_Right_Wheel_1>=1") | ("P5.P5[0]>=1" & "Speed2.Speed_Right_Wheel_2>=1") | ("P5.P5[0]>=1" & "Speed3.Speed_Right_Wheel_3>=1") | ("P5.P5[0]>=1" & "Speed4.Speed_Right_Wheel_4>=1") | ("P5.P5[0]>=1" & "Speed9.Speed_Right_Wheel_9>=1"))
5 unique states visited
5 strongly connected components in search stack
5 transitions explored
5 items max in DFS search stack
1 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,0,0.875379,66372,1,0,99272,181,1362,94554,36,163,217543
an accepting run exists (use option '-e' to print it)
Formula 8 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-8 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 9 : !(((X(X(F((((("Speed5.Speed_Left_Wheel_5>=1")&&("P4.P4[0]>=1"))||(("Speed6.Speed_Left_Wheel_6>=1")&&("P4.P4[0]>=1")))||(("Speed7.Speed_Left_Wheel_7>=1")&&("P4.P4[0]>=1")))||(("Speed8.Speed_Left_Wheel_8>=1")&&("P4.P4[0]>=1"))))))U((G("stp5.stp5[0]>=1"))U(X("stp1.stp1[0]>=1")))))
Formula 9 simplified : !(XXF(("P4.P4[0]>=1" & "Speed5.Speed_Left_Wheel_5>=1") | ("P4.P4[0]>=1" & "Speed6.Speed_Left_Wheel_6>=1") | ("P4.P4[0]>=1" & "Speed7.Speed_Left_Wheel_7>=1") | ("P4.P4[0]>=1" & "Speed8.Speed_Left_Wheel_8>=1")) U (G"stp5.stp5[0]>=1" U X"stp1.stp1[0]>=1"))
6 unique states visited
6 strongly connected components in search stack
6 transitions explored
6 items max in DFS search stack
3 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,0,0.919062,67628,1,0,102754,181,1379,99325,36,163,227339
an accepting run exists (use option '-e' to print it)
Formula 9 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-9 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 10 : !((("P1.P1[0]>=1")&&("Weight0.Weight_Left_Wheel_0>=1")))
Formula 10 simplified : !("P1.P1[0]>=1" & "Weight0.Weight_Left_Wheel_0>=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,0,0.919834,67888,1,0,102754,181,1379,99325,36,163,227388
an accepting run exists (use option '-e' to print it)
Formula 10 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 11 : !(((X(F(F(("P1.P1[0]>=1")&&("Weight0.Weight_Left_Wheel_0>=1")))))U(((((("Speed5.Speed_Left_Wheel_5>=1")&&("P4.P4[0]>=1"))||(("Speed6.Speed_Left_Wheel_6>=1")&&("P4.P4[0]>=1")))||(("Speed7.Speed_Left_Wheel_7>=1")&&("P4.P4[0]>=1")))||(("Speed8.Speed_Left_Wheel_8>=1")&&("P4.P4[0]>=1")))U(X("stp3.stp3[0]>=1")))))
Formula 11 simplified : !(XF("P1.P1[0]>=1" & "Weight0.Weight_Left_Wheel_0>=1") U ((("P4.P4[0]>=1" & "Speed5.Speed_Left_Wheel_5>=1") | ("P4.P4[0]>=1" & "Speed6.Speed_Left_Wheel_6>=1") | ("P4.P4[0]>=1" & "Speed7.Speed_Left_Wheel_7>=1") | ("P4.P4[0]>=1" & "Speed8.Speed_Left_Wheel_8>=1")) U X"stp3.stp3[0]>=1"))
11 unique states visited
11 strongly connected components in search stack
11 transitions explored
11 items max in DFS search stack
8 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,0,0.997341,68944,1,0,105373,181,1407,102778,36,163,234461
an accepting run exists (use option '-e' to print it)
Formula 11 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 12 : !((F((G("stp3.stp3[0]>=1"))U(X(F(("Weight1.Weight_Left_Wheel_1>=1")&&("P1.P1[0]>=1")))))))
Formula 12 simplified : !F(G"stp3.stp3[0]>=1" U XF("P1.P1[0]>=1" & "Weight1.Weight_Left_Wheel_1>=1"))
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
7 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,0,1.07438,71404,1,0,111305,181,1456,107703,36,163,250676
an accepting run exists (use option '-e' to print it)
Formula 12 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 13 : !((("stp3.stp3[0]>=1")U(G("stp2.stp2[0]>=1"))))
Formula 13 simplified : !("stp3.stp3[0]>=1" U G"stp2.stp2[0]>=1")
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
8 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,0,1.14544,75464,1,0,122201,181,1531,117730,36,163,273998
an accepting run exists (use option '-e' to print it)
Formula 13 is FALSE accepting run found.
FORMULA AirplaneLD-COL-0010-LTLFireability-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Checking formula 14 : !(((X(X(G(("Weight1.Weight_Left_Wheel_1>=1")&&("P1.P1[0]>=1")))))U((G(((((((((((("P3.P3[0]>=1")&&("Altitude9.TheAltitude_9>=1"))||(("P3.P3[0]>=1")&&("Altitude10.TheAltitude_10>=1")))||(("P3.P3[0]>=1")&&("Altitude11.TheAltitude_11>=1")))||(("P3.P3[0]>=1")&&("Altitude12.TheAltitude_12>=1")))||(("P3.P3[0]>=1")&&("Altitude13.TheAltitude_13>=1")))||(("P3.P3[0]>=1")&&("Altitude14.TheAltitude_14>=1")))||(("P3.P3[0]>=1")&&("Altitude15.TheAltitude_15>=1")))||(("P3.P3[0]>=1")&&("Altitude16.TheAltitude_16>=1")))||(("P3.P3[0]>=1")&&("Altitude17.TheAltitude_17>=1")))||(("P3.P3[0]>=1")&&("Altitude18.TheAltitude_18>=1")))||(("P3.P3[0]>=1")&&("Altitude19.TheAltitude_19>=1"))))U(X((((((("P5.P5[0]>=1")&&("Speed0.Speed_Right_Wheel_0>=1"))||(("P5.P5[0]>=1")&&("Speed1.Speed_Right_Wheel_1>=1")))||(("P5.P5[0]>=1")&&("Speed2.Speed_Right_Wheel_2>=1")))||(("P5.P5[0]>=1")&&("Speed3.Speed_Right_Wheel_3>=1")))||(("P5.P5[0]>=1")&&("Speed4.Speed_Right_Wheel_4>=1")))||(("P5.P5[0]>=1")&&("Speed9.Speed_Right_Wheel_9>=1")))))))
Formula 14 simplified : !(XXG("P1.P1[0]>=1" & "Weight1.Weight_Left_Wheel_1>=1") U (G(("Altitude9.TheAltitude_9>=1" & "P3.P3[0]>=1") | ("Altitude10.TheAltitude_10>=1" & "P3.P3[0]>=1") | ("Altitude11.TheAltitude_11>=1" & "P3.P3[0]>=1") | ("Altitude12.TheAltitude_12>=1" & "P3.P3[0]>=1") | ("Altitude13.TheAltitude_13>=1" & "P3.P3[0]>=1") | ("Altitude14.TheAltitude_14>=1" & "P3.P3[0]>=1") | ("Altitude15.TheAltitude_15>=1" & "P3.P3[0]>=1") | ("Altitude16.TheAltitude_16>=1" & "P3.P3[0]>=1") | ("Altitude17.TheAltitude_17>=1" & "P3.P3[0]>=1") | ("Altitude18.TheAltitude_18>=1" & "P3.P3[0]>=1") | ("Altitude19.TheAltitude_19>=1" & "P3.P3[0]>=1")) U X(("P5.P5[0]>=1" & "Speed0.Speed_Right_Wheel_0>=1") | ("P5.P5[0]>=1" & "Speed1.Speed_Right_Wheel_1>=1") | ("P5.P5[0]>=1" & "Speed2.Speed_Right_Wheel_2>=1") | ("P5.P5[0]>=1" & "Speed3.Speed_Right_Wheel_3>=1") | ("P5.P5[0]>=1" & "Speed4.Speed_Right_Wheel_4>=1") | ("P5.P5[0]>=1" & "Speed9.Speed_Right_Wheel_9>=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]
Exit code :0
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Exit code :0
Exit code :1
FORMULA AirplaneLD-COL-0010-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Exit code :0
FORMULA AirplaneLD-COL-0010-LTLFireability-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Detected timeout of ITS tools.

BK_STOP 1496380710785

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ java -Dosgi.requiredJavaVersion=1.6 -Xss8m -Xms40m -Xmx8192m -Declipse.pde.launch=true -Dfile.encoding=UTF-8 -classpath /home/mcc/BenchKit//eclipse/plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar org.eclipse.equinox.launcher.Main -application fr.lip6.move.gal.application.pnmcc -data /home/mcc/BenchKit//workspace -os linux -ws gtk -arch x86_64 -nl en_US -consoleLog -pnfolder /home/mcc/execution -examination LTLFireability -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
Jun 02, 2017 5:18:20 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 02, 2017 5:18:20 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Load time of PNML (colored model parsed with PNMLFW) : 1407 ms
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Transformed 20 places.
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Computed order using colors.
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: sort/places :Speed->SpeedPossibleVal,Speed_Left_Wheel,Speed_Right_Wheel,
Signal->Plane_On_Ground_Signal_no,
Dot->stp5,stp4,stp3,stp2,stp1,P5,P4,P3,P2,P6,P1,
Weight->WeightPossibleVal,Weight_Right_Wheel,Weight_Left_Wheel,
Altitude->AltitudePossibleVal,TheAltitude,

Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.pnml.togal.HLGALTransformer handlePage
INFO: Transformed 15 transitions.
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Computed order based on color domains.
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.application.MccTranslator applyOrder
INFO: Applying decomposition
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.CompositeBuilder decomposeWithOrder
INFO: Decomposing Gal with order
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.Instantiator instantiateParameters
INFO: On-the-fly reduction of False transitions avoided exploring 44 instantiations of transitions. Total transitions/syncs built is 100
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.DomainAnalyzer computeVariableDomains
INFO: Found a total of 3 fixed domain variables (out of 89 variables) in GAL type AirplaneLD_COL_0010
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Found a total of 32 constant array cells/variables (out of 89 variables) in type AirplaneLD_COL_0010
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: SpeedPossibleVal[0-9], AltitudePossibleVal[0-19], WeightPossibleVal[0-1],
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Simplified 184 expressions due to constant valuations.
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 54 ms
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.CompositeBuilder rewriteArraysToAllowPartition
INFO: Rewriting arrays Weight_Right_Wheel, Weight_Left_Wheel, TheAltitude, Speed_Left_Wheel, Speed_Right_Wheel, Plane_On_Ground_Signal_no to variables to allow decomposition.
Jun 02, 2017 5:18:21 AM fr.lip6.move.gal.instantiate.Instantiator fuseIsomorphicEffects
INFO: Removed a total of 59 redundant transitions.
Jun 02, 2017 5:18:21 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 11 ms
Jun 02, 2017 5:18:21 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 2 ms
Jun 02, 2017 5:18:22 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 3 place invariants in 28 ms
Jun 02, 2017 5:18:22 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 57 variables to be positive in 144 ms
Jun 02, 2017 5:18:22 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 88 transitions.
Jun 02, 2017 5:18:22 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed :0/88 took 4 ms. Total solver calls (SAT/UNSAT): 3(1/2)
Jun 02, 2017 5:18:23 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed :50/88 took 1026 ms. Total solver calls (SAT/UNSAT): 912(674/238)
Jun 02, 2017 5:18:24 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 1786 ms. Total solver calls (SAT/UNSAT): 1452(1214/238)
Jun 02, 2017 5:18:24 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 88 transitions.
Jun 02, 2017 5:18:25 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 795 ms. Total solver calls (SAT/UNSAT): 1452(236/1216)
Jun 02, 2017 5:18:25 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 88 transitions.
Jun 02, 2017 5:18:26 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of enabling matrix(28/88) took 1009 ms. Total solver calls (SAT/UNSAT): 2146(1444/702)
Jun 02, 2017 5:18:27 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of enabling matrix(78/88) took 2011 ms. Total solver calls (SAT/UNSAT): 3871(3072/799)
Jun 02, 2017 5:18:27 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished enabling matrix. took 2044 ms. Total solver calls (SAT/UNSAT): 3916(3117/799)
Jun 02, 2017 5:18:27 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 88 transitions.
Jun 02, 2017 5:18:28 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 1354 ms. Total solver calls (SAT/UNSAT): 42(0/42)
Jun 02, 2017 5:18:28 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 6348ms conformant to PINS in folder :/home/mcc/execution
Jun 02, 2017 5:18:30 AM fr.lip6.move.gal.itstools.Runner runTool
INFO: Standard error output from running tool CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-seq, ./gal.so, --when, --ltl, (X(X([]((LTLAP3==true)))))U(([]((LTLAP11==true)))U(X((LTLAP1==true))))], workingDir=/home/mcc/execution]
pins2lts-seq, 0.000: Registering PINS so language module
pins2lts-seq, 0.001: Loading model from ./gal.so
pins2lts-seq, 0.002: library has no initializer
pins2lts-seq, 0.002: loading model GAL
pins2lts-seq, 0.003: completed loading model GAL
pins2lts-seq, 0.003: LTL layer: formula: (X(X([]((LTLAP3==true)))))U(([]((LTLAP11==true)))U(X((LTLAP1==true))))
pins2lts-seq, 0.003: Expression is: ((X (X ([] (LTLAP3 == true )))) U (([] (LTLAP11 == true )) U (X (LTLAP1 == true ))))
pins2lts-seq, 0.004: buchi has 18 states
pins2lts-seq, 0.004: state 0: non-accepting
pins2lts-seq, 0.004: -> 1, | true
pins2lts-seq, 0.004: -> 2, | true
pins2lts-seq, 0.004: -> 7, | !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 8, | true
pins2lts-seq, 0.004: -> 9, | true
pins2lts-seq, 0.004: state 1: non-accepting
pins2lts-seq, 0.004: -> 1, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 2, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 8, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 7, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: state 2: non-accepting
pins2lts-seq, 0.004: -> 3, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 6, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: state 3: non-accepting
pins2lts-seq, 0.004: -> 3, | true
pins2lts-seq, 0.004: -> 4, | !(LTLAP3 == true )
pins2lts-seq, 0.004: -> 6, | !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 5, | !(LTLAP11 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: state 4: non-accepting
pins2lts-seq, 0.004: -> 4, | true
pins2lts-seq, 0.004: -> 5, | !(LTLAP11 == true )
pins2lts-seq, 0.004: state 5: accepting
pins2lts-seq, 0.004: -> 5, | true
pins2lts-seq, 0.004: state 6: non-accepting
pins2lts-seq, 0.004: -> 6, | true
pins2lts-seq, 0.004: -> 5, | !(LTLAP3 == true )
pins2lts-seq, 0.004: state 7: accepting
pins2lts-seq, 0.004: -> 6, | !(LTLAP1 == true )
pins2lts-seq, 0.004: state 8: accepting
pins2lts-seq, 0.004: -> 8, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 9, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 7, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 1, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 2, | !(LTLAP1 == true )
pins2lts-seq, 0.004: state 9: accepting
pins2lts-seq, 0.004: -> 10, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 16, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 17, | !(LTLAP1 == true )
pins2lts-seq, 0.004: state 10: non-accepting
pins2lts-seq, 0.004: -> 10, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 11, | !(LTLAP1 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: -> 16, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 13, | !(LTLAP1 == true ) && !(LTLAP11 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: -> 14, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 12, | !(LTLAP1 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: state 11: accepting
pins2lts-seq, 0.004: -> 11, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 13, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 12, | !(LTLAP1 == true )
pins2lts-seq, 0.004: state 12: accepting
pins2lts-seq, 0.004: -> 4, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 5, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: state 13: accepting
pins2lts-seq, 0.004: -> 5, | !(LTLAP1 == true )
pins2lts-seq, 0.004: state 14: non-accepting
pins2lts-seq, 0.004: -> 15, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 4, | !(LTLAP1 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: -> 6, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 5, | !(LTLAP1 == true ) && !(LTLAP11 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: state 15: non-accepting
pins2lts-seq, 0.004: -> 15, | true
pins2lts-seq, 0.004: -> 4, | !(LTLAP3 == true )
pins2lts-seq, 0.004: -> 6, | !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 5, | !(LTLAP11 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: state 16: non-accepting
pins2lts-seq, 0.004: -> 6, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 5, | !(LTLAP1 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: state 17: non-accepting
pins2lts-seq, 0.004: -> 3, | !(LTLAP1 == true )
pins2lts-seq, 0.004: -> 4, | !(LTLAP1 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.004: -> 6, | !(LTLAP1 == true ) && !(LTLAP11 == true )
pins2lts-seq, 0.004: -> 5, | !(LTLAP1 == true ) && !(LTLAP11 == true ) && !(LTLAP3 == true )
pins2lts-seq, 0.006: There are 102 state labels and 1 edge labels
pins2lts-seq, 0.006: State length is 58, there are 143 groups
pins2lts-seq, 0.006: Running scc search strategy
pins2lts-seq, 0.006: Using a tree for state storage
pins2lts-seq, 0.008: accepting cycle found!
pins2lts-seq, 0.008: exiting now

Jun 02, 2017 5:18:30 AM fr.lip6.move.gal.itstools.Runner runTool
INFO: Standard error output from running tool CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-seq, ./gal.so, -p, --pins-guards, --when, --ltl, ([]((LTLAP12==true)))U((LTLAP10==true))], workingDir=/home/mcc/execution]
pins2lts-seq, 0.000: Registering PINS so language module
pins2lts-seq, 0.000: Loading model from ./gal.so
pins2lts-seq, 0.000: library has no initializer
pins2lts-seq, 0.000: loading model GAL
pins2lts-seq, 0.001: completed loading model GAL
pins2lts-seq, 0.001: Initializing POR dependencies: labels 101, guards 88
pins2lts-seq, 0.009: LTL layer: formula: ([]((LTLAP12==true)))U((LTLAP10==true))
pins2lts-seq, 0.009: Expression is: (([] (LTLAP12 == true )) U (LTLAP10 == true ))
pins2lts-seq, 0.009: buchi has 3 states
pins2lts-seq, 0.009: state 0: accepting
pins2lts-seq, 0.009: -> 0, | !(LTLAP10 == true )
pins2lts-seq, 0.009: -> 1, | !(LTLAP10 == true ) && !(LTLAP12 == true )
pins2lts-seq, 0.009: -> 2, | !(LTLAP10 == true )
pins2lts-seq, 0.009: state 1: accepting
pins2lts-seq, 0.009: -> 1, | true
pins2lts-seq, 0.009: state 2: non-accepting
pins2lts-seq, 0.009: -> 2, | true
pins2lts-seq, 0.009: -> 1, | !(LTLAP12 == true )
pins2lts-seq, 0.009: Forcing the use of a cycle proviso. For best results use --proviso=color.
pins2lts-seq, 0.010: There are 102 state labels and 1 edge labels
pins2lts-seq, 0.010: State length is 58, there are 94 groups
pins2lts-seq, 0.010: Running scc search strategy
pins2lts-seq, 0.010: Using a tree for state storage
pins2lts-seq, 0.010: Visible groups: 0 / 94, labels: 2 / 102
pins2lts-seq, 0.010: POR cycle proviso: stack (ltl)
pins2lts-seq, 0.013: state space 1 levels, 1 states 0 transitions

Jun 02, 2017 5:18:30 AM fr.lip6.move.gal.itstools.ProcessController forwardStream
WARNING: Stream closed
Jun 02, 2017 5:18:30 AM fr.lip6.move.gal.itstools.ProcessController forwardStream
WARNING: Stream closed
Jun 02, 2017 5:18:30 AM fr.lip6.move.gal.itstools.ProcessController$1 run
WARNING: null

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_AirplaneLD-COL-0010"
export BK_EXAMINATION="LTLFireability"
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/S_AirplaneLD-COL-0010.tgz
mv S_AirplaneLD-COL-0010 execution

# this is for BenchKit: explicit launching of the test

cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-3254"
echo " Executing tool itstools"
echo " Input is S_AirplaneLD-COL-0010, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r090-csrt-149441076300006"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.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 ;