About the Execution of Tapaal for S_HypertorusGrid-PT-d4k3p2b08
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 206.380 | 6701.00 | 18253.00 | 32.80 | FTFTFTFFFTFFTTFF | 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)
......
=====================================================================
Generated by BenchKit 2-3254
Executing tool tapaal
Input is S_HypertorusGrid-PT-d4k3p2b08, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-blw7-149441651000052
=====================================================================
--------------------
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 HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-0
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-1
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-10
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-11
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-12
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-13
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-14
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-15
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-2
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-3
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-4
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-5
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-6
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-7
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-8
FORMULA_NAME HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-9
=== Now, execution of the tool begins
BK_START 1494921865376
---> tapaal --- TAPAAL
Total timeout: 3600
**********************************************
* TAPAAL verifying ReachabilityCardinality *
**********************************************
---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (16 in total)
Each query is verified by 4 parallel strategies for 60 seconds
------------------- QUERY 1 ----------------------
Solution found
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 1
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 1
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 1
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 1
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.147582 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.146004 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.150541 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is NOT satisfied.
STATS:
discovered states: 33
explored states: 33
expanded states: 1
max tokens: 2592
Query is NOT satisfied.
STATS:
discovered states: 33
explored states: 33
expanded states: 1
max tokens: 2592
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 1
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 1
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-0 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 2 ----------------------
Solution found
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 2
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 2
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 2
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 2
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.133919 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is satisfied.
STATS:
discovered states: 6
explored states: 6
expanded states: 1
max tokens: 2592
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 2
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-1 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 3 ----------------------
Solution found
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 3
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 3
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 3
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 3
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.14158 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.1366 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.141622 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: EF ((1 <= pb_d1_n2_1_1_3_3) and (2 <= pil_d2_n1_2_3_3_1))
Query after reduction: false
Query size reduced from 8 to 1 nodes (87.50 percent reduction).
Query reduction finished after 0.336640 seconds.
Query is NOT satisfied.
Query solved by Query Simplification.
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 3
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-2 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 4 ----------------------
Solution found
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 4
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 4
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 4
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 4
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.134278 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is satisfied.
STATS:
discovered states: 23
explored states: 23
expanded states: 3
max tokens: 2592
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.134784 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 4
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-3 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 5 ----------------------
Solution found
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 5
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 5
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 5
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 5
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.128837 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.139619 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.145333 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is NOT satisfied.
STATS:
discovered states: 453
explored states: 453
expanded states: 23
max tokens: 2592
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 5
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-4 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 6 ----------------------
Solution found
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 6
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 6
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 6
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 6
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.134698 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.144423 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.140954 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: EF ((1 <= pb_d2_n2_3_1_2_3) and (3 <= po_d4_n1_3_1_3_1))
Query after reduction: false
Query size reduced from 8 to 1 nodes (87.50 percent reduction).
Query reduction finished after 0.259895 seconds.
Query is NOT satisfied.
Query solved by Query Simplification.
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 6
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-5 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 7 ----------------------
Solution found
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 7
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 7
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 7
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 7
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.137798 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.147482 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is satisfied.
STATS:
discovered states: 476
explored states: 476
expanded states: 25
max tokens: 2592
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.175209 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 7
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-6 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 8 ----------------------
Solution found
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 8
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 8
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 8
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 8
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.141943 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is satisfied.
STATS:
discovered states: 209
explored states: 180
expanded states: 11
max tokens: 2592
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 8
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-7 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 9 ----------------------
Solution found
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 9
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 9
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 9
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 9
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: EF ((((3 <= pol_d3_n1_3_1_1_2) and (pi_d4_n1_3_3_2_3 <= pi_d4_n1_1_1_1_2)) and ((po_d1_n1_3_1_2_3 <= pol_d1_n1_1_3_3_2) or (pi_d3_n1_3_3_1_1 <= po_d3_n1_3_2_3_1))) and (not ((pb_d4_n2_1_2_1_1 <= pil_d2_n1_3_1_1_3) or (pi_d4_n1_1_1_2_3 <= pil_d1_n1_1_1_1_3))))
Query after reduction: false
Query size reduced from 24 to 1 nodes (95.83 percent reduction).
Query reduction finished after 0.135814 seconds.
Query is NOT satisfied.
Query solved by Query Simplification.
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.137216 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 9
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 10 ----------------------
Solution found
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 10
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 10
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 10
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 10
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.13368 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.145294 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.19506 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: EF ((((pi_d1_n1_2_3_2_1 <= pil_d4_n1_3_2_3_2) and (3 <= po_d4_n1_3_3_1_3)) and ((3 <= pi_d4_n1_3_3_1_3) or (1 <= pil_d1_n1_3_1_2_2))) and ((2 <= pb_d2_n2_3_2_2_3) and ((pil_d4_n1_3_1_1_2 <= po_d1_n1_1_3_2_1) and (1 <= pb_d2_n2_3_3_3_2))))
Query after reduction: false
Query size reduced from 28 to 1 nodes (96.43 percent reduction).
Query reduction finished after 0.266849 seconds.
Query is NOT satisfied.
Query solved by Query Simplification.
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 10
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-9 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 11 ----------------------
Solution found
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 11
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 11
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 11
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 11
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.134553 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is NOT satisfied.
STATS:
discovered states: 7
explored states: 7
expanded states: 1
max tokens: 2592
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 11
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 12 ----------------------
Solution found
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 12
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 12
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 12
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 12
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.13657 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is satisfied.
STATS:
discovered states: 209
explored states: 180
expanded states: 11
max tokens: 2592
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 12
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 13 ----------------------
Solution found
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 13
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 13
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 13
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 13
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.145493 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.149781 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.184063 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: EF ((not (po_d2_n1_2_3_1_2 <= po_d3_n1_3_2_2_2)) and (2 <= pi_d2_n1_1_2_3_1))
Query after reduction: false
Query size reduced from 8 to 1 nodes (87.50 percent reduction).
Query reduction finished after 0.245004 seconds.
Query is NOT satisfied.
Query solved by Query Simplification.
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 13
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 14 ----------------------
Solution found
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 14
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 14
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 14
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 14
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.133905 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is satisfied.
STATS:
discovered states: 4
explored states: 4
expanded states: 1
max tokens: 2592
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 14
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 15 ----------------------
Solution found
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 15
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 15
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 15
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 15
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.134654 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Search=HEUR,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: EF (2 <= po_d3_n1_3_2_1_1)
Query after reduction: false
Query size reduced from 4 to 1 nodes (75.00 percent reduction).
Query reduction finished after 0.134674 seconds.
Query is NOT satisfied.
Query solved by Query Simplification.
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BestFS\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 15
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 16 ----------------------
Solution found
Parameters: -s BestFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 16
Parameters: -s BFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 16
Parameters: -s BestFS -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 16
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./ReachabilityCardinality.xml -x 16
Search=BFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 2025 places, 5184 transitions
Size of net after structural reductions: 2025 places, 5184 transitions
Structural reduction finished after 0.134307 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is NOT satisfied.
STATS:
discovered states: 26
explored states: 26
expanded states: 3
max tokens: 2592
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ BFS\ -q\ 0\ -d\ 10 ./model.pnml ./ReachabilityCardinality.xml -x 16
FORMULA HypertorusGrid-PT-d4k3p2b08-ReachabilityCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
All queries are solved
BK_STOP 1494921872077
--------------------
content from 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_HypertorusGrid-PT-d4k3p2b08"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="tapaal"
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_HypertorusGrid-PT-d4k3p2b08.tgz
mv S_HypertorusGrid-PT-d4k3p2b08 execution
# this is for BenchKit: explicit launching of the test
cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-3254"
echo " Executing tool tapaal"
echo " Input is S_HypertorusGrid-PT-d4k3p2b08, 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 r119-blw7-149441651000052"
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 '
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 ;