fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r377-smll-171683809900183
Last Updated
July 7, 2024

About the Execution of GreatSPN+red for SimpleLoadBal-PT-20

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
8251.487 319572.00 414974.00 927.70 FFTTTFFFTFTFFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r377-smll-171683809900183.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is SimpleLoadBal-PT-20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r377-smll-171683809900183
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.5M
-rw-r--r-- 1 mcc users 11K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.7K Apr 23 07:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 23 07:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 12:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Apr 13 12:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 13 12:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Apr 13 12:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 19 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 2.0M May 18 16:43 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-00
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-01
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-02
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-03
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-04
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-05
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-06
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-07
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-08
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-09
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-10
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-11
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-12
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-13
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-14
FORMULA_NAME SimpleLoadBal-PT-20-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1716947511629

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SimpleLoadBal-PT-20
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-29 01:51:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-29 01:51:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 01:51:53] [INFO ] Load time of PNML (sax parser for PT used): 375 ms
[2024-05-29 01:51:53] [INFO ] Transformed 194 places.
[2024-05-29 01:51:54] [INFO ] Transformed 2205 transitions.
[2024-05-29 01:51:54] [INFO ] Found NUPN structural information;
[2024-05-29 01:51:54] [INFO ] Completing missing partition info from NUPN : creating a component with [P_client_idle_1, P_client_idle_2, P_client_idle_3, P_client_idle_4, P_client_idle_5, P_client_idle_6, P_client_idle_7, P_client_idle_8, P_client_idle_9, P_client_idle_10, P_client_idle_11, P_client_idle_12, P_client_idle_13, P_client_idle_14, P_client_idle_15, P_client_idle_16, P_client_idle_17, P_client_idle_18, P_client_idle_19, P_client_idle_20, P_client_waiting_1, P_client_waiting_2, P_client_waiting_3, P_client_waiting_4, P_client_waiting_5, P_client_waiting_6, P_client_waiting_7, P_client_waiting_8, P_client_waiting_9, P_client_waiting_10, P_client_waiting_11, P_client_waiting_12, P_client_waiting_13, P_client_waiting_14, P_client_waiting_15, P_client_waiting_16, P_client_waiting_17, P_client_waiting_18, P_client_waiting_19, P_client_waiting_20, P_client_request_1, P_client_request_2, P_client_request_3, P_client_request_4, P_client_request_5, P_client_request_6, P_client_request_7, P_client_request_8, P_client_request_9, P_client_request_10, P_client_request_11, P_client_request_12, P_client_request_13, P_client_request_14, P_client_request_15, P_client_request_16, P_client_request_17, P_client_request_18, P_client_request_19, P_client_request_20, P_client_ack_1, P_client_ack_2, P_client_ack_3, P_client_ack_4, P_client_ack_5, P_client_ack_6, P_client_ack_7, P_client_ack_8, P_client_ack_9, P_client_ack_10, P_client_ack_11, P_client_ack_12, P_client_ack_13, P_client_ack_14, P_client_ack_15, P_client_ack_16, P_client_ack_17, P_client_ack_18, P_client_ack_19, P_client_ack_20, P_server_idle_1, P_server_idle_2, P_server_waiting_1, P_server_waiting_2, P_server_processed_1, P_server_processed_2, P_server_notification_1, P_server_notification_2, P_server_notification_ack_1, P_server_notification_ack_2, P_server_request_1_1, P_server_request_1_2, P_server_request_2_1, P_server_request_2_2, P_server_request_3_1, P_server_request_3_2, P_server_request_4_1, P_server_request_4_2, P_server_request_5_1, P_server_request_5_2, P_server_request_6_1, P_server_request_6_2, P_server_request_7_1, P_server_request_7_2, P_server_request_8_1, P_server_request_8_2, P_server_request_9_1, P_server_request_9_2, P_server_request_10_1, P_server_request_10_2, P_server_request_11_1, P_server_request_11_2, P_server_request_12_1, P_server_request_12_2, P_server_request_13_1, P_server_request_13_2, P_server_request_14_1, P_server_request_14_2, P_server_request_15_1, P_server_request_15_2, P_server_request_16_1, P_server_request_16_2, P_server_request_17_1, P_server_request_17_2, P_server_request_18_1, P_server_request_18_2, P_server_request_19_1, P_server_request_19_2, P_server_request_20_1, P_server_request_20_2, P_lb_idle_1, P_lb_routing_1_1, P_lb_routing_1_2, P_lb_routing_1_3, P_lb_routing_1_4, P_lb_routing_1_5, P_lb_routing_1_6, P_lb_routing_1_7, P_lb_routing_1_8, P_lb_routing_1_9, P_lb_routing_1_10, P_lb_routing_1_11, P_lb_routing_1_12, P_lb_routing_1_13, P_lb_routing_1_14, P_lb_routing_1_15, P_lb_routing_1_16, P_lb_routing_1_17, P_lb_routing_1_18, P_lb_routing_1_19, P_lb_routing_1_20, P_lb_balancing_1, P_lb_load_1_0, P_lb_load_1_1, P_lb_load_1_2, P_lb_load_1_3, P_lb_load_1_4, P_lb_load_1_5, P_lb_load_1_6, P_lb_load_1_7, P_lb_load_1_8, P_lb_load_1_9, P_lb_load_1_10, P_lb_load_1_11, P_lb_load_1_12, P_lb_load_1_13, P_lb_load_1_14, P_lb_load_1_15, P_lb_load_1_16, P_lb_load_1_17, P_lb_load_1_18, P_lb_load_1_19, P_lb_load_1_20, P_lb_load_2_0, P_lb_load_2_1, P_lb_load_2_2, P_lb_load_2_3, P_lb_load_2_4, P_lb_load_2_5, P_lb_load_2_6, P_lb_load_2_7, P_lb_load_2_8, P_lb_load_2_9, P_lb_load_2_10, P_lb_load_2_11, P_lb_load_2_12, P_lb_load_2_13, P_lb_load_2_14, P_lb_load_2_15, P_lb_load_2_16, P_lb_load_2_17, P_lb_load_2_18, P_lb_load_2_19, P_lb_load_2_20]
[2024-05-29 01:51:54] [INFO ] Parsed PT model containing 194 places and 2205 transitions and 15678 arcs in 571 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 3726 ms. (10 steps per ms) remains 12/16 properties
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 974 ms. (41 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 283 ms. (140 steps per ms) remains 11/12 properties
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 346 ms. (115 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (8 resets) in 226 ms. (176 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1445 ms. (27 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 356 ms. (112 steps per ms) remains 10/11 properties
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 302 ms. (132 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 185 ms. (215 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 10/10 properties
[2024-05-29 01:51:56] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2024-05-29 01:51:56] [INFO ] Invariants computation overflowed in 43 ms
[2024-05-29 01:51:56] [INFO ] State equation strengthened by 820 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 94/94 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-12 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 1701/1795 variables, 94/188 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1795 variables, 820/1008 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1795 variables, 0/1008 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 110/1905 variables, 66/1074 constraints. Problems are: Problem set: 1 solved, 9 unsolved
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-09 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (INCLUDED_ONLY) 0/1905 variables, 66/1140 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1905 variables, 0/1140 constraints. Problems are: Problem set: 2 solved, 8 unsolved
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-05 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-06 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-07 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-11 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-13 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-15 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (OVERLAPS) 34/1939 variables, 34/1174 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1939 variables, 34/1208 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1939 variables, 0/1208 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1939 variables, 0/1208 constraints. Problems are: Problem set: 8 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1939/1939 variables, and 1208 constraints, problems are : Problem set: 8 solved, 2 unsolved in 3509 ms.
Refiners :[Domain max(s): 194/194 constraints, State Equation: 194/194 constraints, ReadFeed: 820/820 constraints, PredecessorRefiner: 10/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 81/81 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/81 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 1694/1775 variables, 81/162 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1775 variables, 820/982 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1775 variables, 0/982 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 124/1899 variables, 73/1055 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1899 variables, 73/1128 constraints. Problems are: Problem set: 8 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1899 variables, 0/1128 constraints. Problems are: Problem set: 8 solved, 2 unsolved
Problem SimpleLoadBal-PT-20-ReachabilityFireability-2024-08 is UNSAT
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1939/1939 variables, and 1168 constraints, problems are : Problem set: 9 solved, 1 unsolved in 2602 ms.
Refiners :[Domain max(s): 154/194 constraints, State Equation: 194/194 constraints, ReadFeed: 820/820 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 7011ms problems are : Problem set: 9 solved, 1 unsolved
Parikh walk visited 0 properties in 304 ms.
Support contains 58 out of 194 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 194/194 places, 2205/2205 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 3 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 0 with 60 rules applied. Total rules applied 60 place count 154 transition count 2185
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 8 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 100 place count 134 transition count 2165
Applied a total of 100 rules in 330 ms. Remains 134 /194 variables (removed 60) and now considering 2165/2205 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 351 ms. Remains : 134/194 places, 2165/2205 transitions.
RANDOM walk for 40000 steps (8 resets) in 1056 ms. (37 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (8 resets) in 374 ms. (106 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 194046 steps, run timeout after 3001 ms. (steps per millisecond=64 ) properties seen :0 out of 1
Probabilistic random walk after 194046 steps, saw 134365 distinct states, run finished after 3007 ms. (steps per millisecond=64 ) properties seen :0
[2024-05-29 01:52:07] [INFO ] Flow matrix only has 1705 transitions (discarded 460 similar events)
// Phase 1: matrix 1705 rows 134 cols
[2024-05-29 01:52:07] [INFO ] Invariants computation overflowed in 16 ms
[2024-05-29 01:52:07] [INFO ] State equation strengthened by 820 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 58/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1689/1747 variables, 58/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1747 variables, 820/936 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1747 variables, 0/936 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/1839 variables, 76/1012 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1839 variables, 76/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1839 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/1839 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1839/1839 variables, and 1088 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1050 ms.
Refiners :[Domain max(s): 134/134 constraints, State Equation: 134/134 constraints, ReadFeed: 820/820 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 58/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1689/1747 variables, 58/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1747 variables, 820/936 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1747 variables, 0/936 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 92/1839 variables, 76/1012 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1839 variables, 76/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1839 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/1839 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1839/1839 variables, and 1088 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1627 ms.
Refiners :[Domain max(s): 134/134 constraints, State Equation: 134/134 constraints, ReadFeed: 820/820 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 2895ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 291 ms.
Support contains 58 out of 134 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 2165/2165 transitions.
Applied a total of 0 rules in 144 ms. Remains 134 /134 variables (removed 0) and now considering 2165/2165 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 134/134 places, 2165/2165 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 134/134 places, 2165/2165 transitions.
Applied a total of 0 rules in 95 ms. Remains 134 /134 variables (removed 0) and now considering 2165/2165 (removed 0) transitions.
[2024-05-29 01:52:11] [INFO ] Flow matrix only has 1705 transitions (discarded 460 similar events)
// Phase 1: matrix 1705 rows 134 cols
[2024-05-29 01:52:11] [INFO ] Invariants computation overflowed in 12 ms
[2024-05-29 01:52:11] [INFO ] Implicit Places using invariants in 240 ms returned []
[2024-05-29 01:52:11] [INFO ] Flow matrix only has 1705 transitions (discarded 460 similar events)
// Phase 1: matrix 1705 rows 134 cols
[2024-05-29 01:52:11] [INFO ] Invariants computation overflowed in 15 ms
[2024-05-29 01:52:12] [INFO ] State equation strengthened by 820 read => feed constraints.
[2024-05-29 01:52:16] [INFO ] Implicit Places using invariants and state equation in 4553 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 4816 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 132/134 places, 2165/2165 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 131 transition count 2164
Applied a total of 2 rules in 115 ms. Remains 131 /132 variables (removed 1) and now considering 2164/2165 (removed 1) transitions.
[2024-05-29 01:52:16] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-05-29 01:52:16] [INFO ] Invariants computation overflowed in 14 ms
[2024-05-29 01:52:16] [INFO ] Implicit Places using invariants in 227 ms returned []
[2024-05-29 01:52:16] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-05-29 01:52:16] [INFO ] Invariants computation overflowed in 8 ms
[2024-05-29 01:52:16] [INFO ] State equation strengthened by 820 read => feed constraints.
[2024-05-29 01:52:20] [INFO ] Implicit Places using invariants and state equation in 3728 ms returned []
Implicit Place search using SMT with State Equation took 3960 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 131/134 places, 2164/2165 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 8987 ms. Remains : 131/134 places, 2164/2165 transitions.
RANDOM walk for 40000 steps (8 resets) in 747 ms. (53 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 364 ms. (109 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 232354 steps, run timeout after 3001 ms. (steps per millisecond=77 ) properties seen :0 out of 1
Probabilistic random walk after 232354 steps, saw 161334 distinct states, run finished after 3001 ms. (steps per millisecond=77 ) properties seen :0
[2024-05-29 01:52:23] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-05-29 01:52:23] [INFO ] Invariants computation overflowed in 14 ms
[2024-05-29 01:52:23] [INFO ] State equation strengthened by 820 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 58/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1689/1747 variables, 58/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1747 variables, 820/936 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1747 variables, 0/936 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 88/1835 variables, 73/1009 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1835 variables, 73/1082 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1835 variables, 0/1082 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/1835 variables, 0/1082 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1835/1835 variables, and 1082 constraints, problems are : Problem set: 0 solved, 1 unsolved in 966 ms.
Refiners :[Domain max(s): 131/131 constraints, State Equation: 131/131 constraints, ReadFeed: 820/820 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 58/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1689/1747 variables, 58/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1747 variables, 820/936 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1747 variables, 0/936 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 88/1835 variables, 73/1009 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1835 variables, 73/1082 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1835 variables, 0/1082 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/1835 variables, 0/1082 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1835/1835 variables, and 1082 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1490 ms.
Refiners :[Domain max(s): 131/131 constraints, State Equation: 131/131 constraints, ReadFeed: 820/820 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 2612ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 293 ms.
Support contains 58 out of 131 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 131/131 places, 2164/2164 transitions.
Applied a total of 0 rules in 86 ms. Remains 131 /131 variables (removed 0) and now considering 2164/2164 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86 ms. Remains : 131/131 places, 2164/2164 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 131/131 places, 2164/2164 transitions.
Applied a total of 0 rules in 88 ms. Remains 131 /131 variables (removed 0) and now considering 2164/2164 (removed 0) transitions.
[2024-05-29 01:52:26] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-05-29 01:52:26] [INFO ] Invariants computation overflowed in 7 ms
[2024-05-29 01:52:26] [INFO ] Implicit Places using invariants in 208 ms returned []
[2024-05-29 01:52:26] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-05-29 01:52:26] [INFO ] Invariants computation overflowed in 7 ms
[2024-05-29 01:52:27] [INFO ] State equation strengthened by 820 read => feed constraints.
[2024-05-29 01:52:30] [INFO ] Implicit Places using invariants and state equation in 3753 ms returned []
Implicit Place search using SMT with State Equation took 3962 ms to find 0 implicit places.
[2024-05-29 01:52:30] [INFO ] Redundant transitions in 136 ms returned []
Running 2144 sub problems to find dead transitions.
[2024-05-29 01:52:30] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-05-29 01:52:30] [INFO ] Invariants computation overflowed in 8 ms
[2024-05-29 01:52:30] [INFO ] State equation strengthened by 820 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 111/111 constraints. Problems are: Problem set: 0 solved, 2144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 2144 unsolved
At refinement iteration 2 (OVERLAPS) 1704/1815 variables, 111/222 constraints. Problems are: Problem set: 0 solved, 2144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1815 variables, 820/1042 constraints. Problems are: Problem set: 0 solved, 2144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1815/1835 variables, and 1042 constraints, problems are : Problem set: 0 solved, 2144 unsolved in 30110 ms.
Refiners :[Domain max(s): 111/131 constraints, State Equation: 111/131 constraints, ReadFeed: 820/820 constraints, PredecessorRefiner: 2144/2104 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 111/111 constraints. Problems are: Problem set: 0 solved, 2144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 2144 unsolved
At refinement iteration 2 (OVERLAPS) 1704/1815 variables, 111/222 constraints. Problems are: Problem set: 0 solved, 2144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1815 variables, 820/1042 constraints. Problems are: Problem set: 0 solved, 2144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1815/1835 variables, and 2344 constraints, problems are : Problem set: 0 solved, 2144 unsolved in 32018 ms.
Refiners :[Domain max(s): 111/131 constraints, State Equation: 111/131 constraints, ReadFeed: 820/820 constraints, PredecessorRefiner: 1342/2104 constraints, Known Traps: 0/0 constraints]
After SMT, in 86671ms problems are : Problem set: 0 solved, 2144 unsolved
Search for dead transitions found 0 dead transitions in 86705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90917 ms. Remains : 131/131 places, 2164/2164 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 460 transitions
Reduce isomorphic transitions removed 460 transitions.
Iterating post reduction 0 with 460 rules applied. Total rules applied 460 place count 131 transition count 1704
Applied a total of 460 rules in 56 ms. Remains 131 /131 variables (removed 0) and now considering 1704/2164 (removed 460) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1704 rows 131 cols
[2024-05-29 01:53:57] [INFO ] Invariants computation overflowed in 10 ms
[2024-05-29 01:53:57] [INFO ] After 117ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
SMT process timed out, exceeded limit of 225
[2024-05-29 01:53:58] [INFO ] After 870ms SMT Verify possible using After timeout in natural domain returned unsat :0 sat :1
[2024-05-29 01:53:58] [INFO ] After 937ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 1205 ms.
[2024-05-29 01:53:58] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 6 ms.
[2024-05-29 01:53:58] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 131 places, 2164 transitions and 15552 arcs took 27 ms.
[2024-05-29 01:53:59] [INFO ] Flatten gal took : 393 ms
Total runtime 126004 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SimpleLoadBal-PT-20

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 131
TRANSITIONS: 2164
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.102s, Sys 0.007s]


SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.013s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 616
MODEL NAME: /home/mcc/execution/413/model
131 places, 2164 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-01 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716947831201

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML

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="SimpleLoadBal-PT-20"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is SimpleLoadBal-PT-20, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r377-smll-171683809900183"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SimpleLoadBal-PT-20.tgz
mv SimpleLoadBal-PT-20 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;