Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r437-tajo-167905985300334.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is SimpleLoadBal-PT-20, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r437-tajo-167905985300334
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.5M
-rw-r--r-- 1 mcc users 8.5K Feb 26 03:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Feb 26 03:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Feb 26 03:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 03:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 17:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Feb 25 17:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Feb 26 03:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 172K Feb 26 03:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 03:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 26 03:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 17:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 2.0M Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1679517387872

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SimpleLoadBal-PT-20
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 20:36:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-22 20:36:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 20:36:30] [INFO ] Load time of PNML (sax parser for PT used): 233 ms
[2023-03-22 20:36:30] [INFO ] Transformed 194 places.
[2023-03-22 20:36:30] [INFO ] Transformed 2205 transitions.
[2023-03-22 20:36:30] [INFO ] Found NUPN structural information;
[2023-03-22 20:36:30] [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]
[2023-03-22 20:36:30] [INFO ] Parsed PT model containing 194 places and 2205 transitions and 15678 arcs in 361 ms.
Built sparse matrix representations for Structural reductions in 18 ms.28708KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 194/194 places, 2205/2205 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 213 ms. Remains 194 /194 variables (removed 0) and now considering 2205/2205 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 214 ms. Remains : 194/194 places, 2205/2205 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 194/194 places, 2205/2205 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 159 ms. Remains 194 /194 variables (removed 0) and now considering 2205/2205 (removed 0) transitions.
[2023-03-22 20:36:31] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2023-03-22 20:36:31] [INFO ] Invariants computation overflowed in 55 ms
[2023-03-22 20:36:31] [INFO ] Implicit Places using invariants in 314 ms returned []
[2023-03-22 20:36:31] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2023-03-22 20:36:31] [INFO ] Invariants computation overflowed in 21 ms
[2023-03-22 20:36:32] [INFO ] State equation strengthened by 820 read => feed constraints.
[2023-03-22 20:36:32] [INFO ] Implicit Places using invariants and state equation in 654 ms returned []
Implicit Place search using SMT with State Equation took 1002 ms to find 0 implicit places.
[2023-03-22 20:36:32] [INFO ] Redundant transitions in 135 ms returned []
[2023-03-22 20:36:32] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2023-03-22 20:36:32] [INFO ] Invariants computation overflowed in 14 ms
[2023-03-22 20:36:33] [INFO ] Dead Transitions using invariants and state equation in 714 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2033 ms. Remains : 194/194 places, 2205/2205 transitions.
Random walk for 1250000 steps, including 0 resets, run took 8444 ms (no deadlock found). (steps per millisecond=148 )
Random directed walk for 1250000 steps, including 0 resets, run took 8600 ms (no deadlock found). (steps per millisecond=145 )
[2023-03-22 20:36:50] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2023-03-22 20:36:50] [INFO ] Invariants computation overflowed in 20 ms
[2023-03-22 20:36:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:36:50] [INFO ] [Real]Absence check using state equation in 353 ms returned sat
[2023-03-22 20:36:51] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:36:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:36:51] [INFO ] [Nat]Absence check using state equation in 423 ms returned sat
[2023-03-22 20:36:51] [INFO ] State equation strengthened by 820 read => feed constraints.
[2023-03-22 20:36:52] [INFO ] [Nat]Added 820 Read/Feed constraints in 262 ms returned sat
[2023-03-22 20:36:52] [INFO ] Deduced a trap composed of 24 places in 363 ms of which 13 ms to minimize.
[2023-03-22 20:36:52] [INFO ] Deduced a trap composed of 24 places in 387 ms of which 1 ms to minimize.
[2023-03-22 20:36:53] [INFO ] Deduced a trap composed of 25 places in 391 ms of which 1 ms to minimize.
[2023-03-22 20:36:53] [INFO ] Deduced a trap composed of 25 places in 361 ms of which 2 ms to minimize.
[2023-03-22 20:36:54] [INFO ] Deduced a trap composed of 27 places in 446 ms of which 0 ms to minimize.
[2023-03-22 20:36:54] [INFO ] Deduced a trap composed of 25 places in 407 ms of which 1 ms to minimize.
[2023-03-22 20:36:55] [INFO ] Deduced a trap composed of 29 places in 376 ms of which 0 ms to minimize.
[2023-03-22 20:36:56] [INFO ] Deduced a trap composed of 30 places in 390 ms of which 1 ms to minimize.
[2023-03-22 20:36:56] [INFO ] Deduced a trap composed of 24 places in 361 ms of which 1 ms to minimize.
[2023-03-22 20:36:57] [INFO ] Deduced a trap composed of 27 places in 396 ms of which 0 ms to minimize.
[2023-03-22 20:36:57] [INFO ] Deduced a trap composed of 24 places in 377 ms of which 0 ms to minimize.
[2023-03-22 20:36:58] [INFO ] Deduced a trap composed of 26 places in 412 ms of which 0 ms to minimize.
[2023-03-22 20:36:58] [INFO ] Deduced a trap composed of 28 places in 367 ms of which 0 ms to minimize.
[2023-03-22 20:36:59] [INFO ] Deduced a trap composed of 26 places in 338 ms of which 0 ms to minimize.
[2023-03-22 20:36:59] [INFO ] Deduced a trap composed of 30 places in 362 ms of which 0 ms to minimize.
[2023-03-22 20:37:00] [INFO ] Deduced a trap composed of 28 places in 368 ms of which 0 ms to minimize.
[2023-03-22 20:37:00] [INFO ] Deduced a trap composed of 24 places in 339 ms of which 0 ms to minimize.
[2023-03-22 20:37:01] [INFO ] Deduced a trap composed of 30 places in 373 ms of which 0 ms to minimize.
[2023-03-22 20:37:01] [INFO ] Deduced a trap composed of 30 places in 290 ms of which 1 ms to minimize.
[2023-03-22 20:37:02] [INFO ] Deduced a trap composed of 30 places in 366 ms of which 2 ms to minimize.
[2023-03-22 20:37:02] [INFO ] Deduced a trap composed of 30 places in 304 ms of which 1 ms to minimize.
[2023-03-22 20:37:02] [INFO ] Deduced a trap composed of 30 places in 339 ms of which 0 ms to minimize.
[2023-03-22 20:37:03] [INFO ] Deduced a trap composed of 26 places in 351 ms of which 0 ms to minimize.
[2023-03-22 20:37:03] [INFO ] Deduced a trap composed of 30 places in 342 ms of which 0 ms to minimize.
[2023-03-22 20:37:04] [INFO ] Deduced a trap composed of 30 places in 350 ms of which 0 ms to minimize.
[2023-03-22 20:37:04] [INFO ] Deduced a trap composed of 30 places in 344 ms of which 0 ms to minimize.
[2023-03-22 20:37:05] [INFO ] Deduced a trap composed of 26 places in 341 ms of which 0 ms to minimize.
[2023-03-22 20:37:05] [INFO ] Deduced a trap composed of 30 places in 331 ms of which 0 ms to minimize.
[2023-03-22 20:37:06] [INFO ] Deduced a trap composed of 30 places in 372 ms of which 1 ms to minimize.
[2023-03-22 20:37:06] [INFO ] Deduced a trap composed of 30 places in 302 ms of which 1 ms to minimize.
[2023-03-22 20:37:06] [INFO ] Deduced a trap composed of 26 places in 372 ms of which 0 ms to minimize.
[2023-03-22 20:37:07] [INFO ] Deduced a trap composed of 30 places in 341 ms of which 1 ms to minimize.
[2023-03-22 20:37:08] [INFO ] Deduced a trap composed of 26 places in 347 ms of which 0 ms to minimize.
[2023-03-22 20:37:09] [INFO ] Deduced a trap composed of 27 places in 343 ms of which 1 ms to minimize.
[2023-03-22 20:37:10] [INFO ] Deduced a trap composed of 27 places in 354 ms of which 1 ms to minimize.
[2023-03-22 20:37:13] [INFO ] Trap strengthening (SAT) tested/added 35/35 trap constraints in 20977 ms
Parikh directed walk for 34800 steps, including 1000 resets, run took 359 ms. (steps per millisecond=96 )
Random directed walk for 500004 steps, including 0 resets, run took 3650 ms (no deadlock found). (steps per millisecond=136 )
Random walk for 500000 steps, including 0 resets, run took 3183 ms (no deadlock found). (steps per millisecond=157 )
Random directed walk for 500001 steps, including 0 resets, run took 3513 ms (no deadlock found). (steps per millisecond=142 )
Random walk for 500000 steps, including 0 resets, run took 3691 ms (no deadlock found). (steps per millisecond=135 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 194/194 places, 2205/2205 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 143 ms. Remains 194 /194 variables (removed 0) and now considering 2205/2205 (removed 0) transitions.
[2023-03-22 20:37:27] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2023-03-22 20:37:27] [INFO ] Invariants computation overflowed in 19 ms
[2023-03-22 20:37:27] [INFO ] Implicit Places using invariants in 103 ms returned []
[2023-03-22 20:37:27] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2023-03-22 20:37:27] [INFO ] Invariants computation overflowed in 15 ms
[2023-03-22 20:37:28] [INFO ] State equation strengthened by 820 read => feed constraints.
[2023-03-22 20:37:28] [INFO ] Implicit Places using invariants and state equation in 623 ms returned []
Implicit Place search using SMT with State Equation took 732 ms to find 0 implicit places.
[2023-03-22 20:37:28] [INFO ] Redundant transitions in 173 ms returned []
[2023-03-22 20:37:28] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2023-03-22 20:37:28] [INFO ] Invariants computation overflowed in 17 ms
[2023-03-22 20:37:29] [INFO ] Dead Transitions using invariants and state equation in 803 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1859 ms. Remains : 194/194 places, 2205/2205 transitions.
Random walk for 1250000 steps, including 0 resets, run took 7962 ms (no deadlock found). (steps per millisecond=156 )
Random directed walk for 1250000 steps, including 0 resets, run took 8710 ms (no deadlock found). (steps per millisecond=143 )
[2023-03-22 20:37:46] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2023-03-22 20:37:46] [INFO ] Invariants computation overflowed in 16 ms
[2023-03-22 20:37:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-22 20:37:46] [INFO ] [Real]Absence check using state equation in 342 ms returned sat
[2023-03-22 20:37:46] [INFO ] Solution in real domain found non-integer solution.
[2023-03-22 20:37:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-22 20:37:47] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2023-03-22 20:37:47] [INFO ] State equation strengthened by 820 read => feed constraints.
[2023-03-22 20:37:47] [INFO ] [Nat]Added 820 Read/Feed constraints in 245 ms returned sat
[2023-03-22 20:37:48] [INFO ] Deduced a trap composed of 24 places in 424 ms of which 0 ms to minimize.
[2023-03-22 20:37:48] [INFO ] Deduced a trap composed of 24 places in 370 ms of which 0 ms to minimize.
[2023-03-22 20:37:49] [INFO ] Deduced a trap composed of 25 places in 412 ms of which 0 ms to minimize.
[2023-03-22 20:37:49] [INFO ] Deduced a trap composed of 25 places in 369 ms of which 0 ms to minimize.
[2023-03-22 20:37:50] [INFO ] Deduced a trap composed of 27 places in 383 ms of which 0 ms to minimize.
[2023-03-22 20:37:50] [INFO ] Deduced a trap composed of 25 places in 391 ms of which 1 ms to minimize.
[2023-03-22 20:37:51] [INFO ] Deduced a trap composed of 29 places in 395 ms of which 0 ms to minimize.
[2023-03-22 20:37:51] [INFO ] Deduced a trap composed of 30 places in 331 ms of which 1 ms to minimize.
[2023-03-22 20:37:52] [INFO ] Deduced a trap composed of 24 places in 335 ms of which 1 ms to minimize.
[2023-03-22 20:37:52] [INFO ] Deduced a trap composed of 27 places in 357 ms of which 0 ms to minimize.
[2023-03-22 20:37:53] [INFO ] Deduced a trap composed of 24 places in 400 ms of which 2 ms to minimize.
[2023-03-22 20:37:53] [INFO ] Deduced a trap composed of 26 places in 376 ms of which 0 ms to minimize.
[2023-03-22 20:37:54] [INFO ] Deduced a trap composed of 28 places in 360 ms of which 1 ms to minimize.
[2023-03-22 20:37:54] [INFO ] Deduced a trap composed of 26 places in 339 ms of which 0 ms to minimize.
[2023-03-22 20:37:55] [INFO ] Deduced a trap composed of 30 places in 355 ms of which 0 ms to minimize.
[2023-03-22 20:37:55] [INFO ] Deduced a trap composed of 28 places in 357 ms of which 1 ms to minimize.
[2023-03-22 20:37:56] [INFO ] Deduced a trap composed of 24 places in 385 ms of which 1 ms to minimize.
[2023-03-22 20:37:56] [INFO ] Deduced a trap composed of 30 places in 339 ms of which 1 ms to minimize.
[2023-03-22 20:37:57] [INFO ] Deduced a trap composed of 30 places in 350 ms of which 1 ms to minimize.
[2023-03-22 20:37:57] [INFO ] Deduced a trap composed of 30 places in 319 ms of which 0 ms to minimize.
[2023-03-22 20:37:57] [INFO ] Deduced a trap composed of 30 places in 361 ms of which 2 ms to minimize.
[2023-03-22 20:37:58] [INFO ] Deduced a trap composed of 30 places in 335 ms of which 4 ms to minimize.
[2023-03-22 20:37:58] [INFO ] Deduced a trap composed of 26 places in 351 ms of which 1 ms to minimize.
[2023-03-22 20:37:59] [INFO ] Deduced a trap composed of 30 places in 354 ms of which 0 ms to minimize.
[2023-03-22 20:37:59] [INFO ] Deduced a trap composed of 30 places in 354 ms of which 0 ms to minimize.
[2023-03-22 20:38:00] [INFO ] Deduced a trap composed of 30 places in 355 ms of which 0 ms to minimize.
[2023-03-22 20:38:00] [INFO ] Deduced a trap composed of 26 places in 361 ms of which 1 ms to minimize.
[2023-03-22 20:38:01] [INFO ] Deduced a trap composed of 30 places in 342 ms of which 1 ms to minimize.
[2023-03-22 20:38:01] [INFO ] Deduced a trap composed of 30 places in 329 ms of which 1 ms to minimize.
[2023-03-22 20:38:02] [INFO ] Deduced a trap composed of 30 places in 341 ms of which 2 ms to minimize.
[2023-03-22 20:38:02] [INFO ] Deduced a trap composed of 26 places in 319 ms of which 0 ms to minimize.
[2023-03-22 20:38:02] [INFO ] Deduced a trap composed of 30 places in 324 ms of which 0 ms to minimize.
[2023-03-22 20:38:03] [INFO ] Deduced a trap composed of 26 places in 310 ms of which 0 ms to minimize.
[2023-03-22 20:38:05] [INFO ] Deduced a trap composed of 27 places in 335 ms of which 0 ms to minimize.
[2023-03-22 20:38:05] [INFO ] Deduced a trap composed of 27 places in 341 ms of which 0 ms to minimize.
[2023-03-22 20:38:08] [INFO ] Trap strengthening (SAT) tested/added 35/35 trap constraints in 20905 ms
Parikh directed walk for 34800 steps, including 1000 resets, run took 315 ms. (steps per millisecond=110 )
Random directed walk for 500004 steps, including 0 resets, run took 3803 ms (no deadlock found). (steps per millisecond=131 )
Random walk for 500000 steps, including 0 resets, run took 3094 ms (no deadlock found). (steps per millisecond=161 )
Random directed walk for 500007 steps, including 0 resets, run took 3367 ms (no deadlock found). (steps per millisecond=148 )
Random walk for 500000 steps, including 0 resets, run took 3087 ms (no deadlock found). (steps per millisecond=161 )
[2023-03-22 20:38:22] [INFO ] Flatten gal took : 339 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 194/194 places, 2205/2205 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 192 transition count 2203
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 64 place count 152 transition count 2183
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 25 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 104 place count 132 transition count 2163
Applied a total of 104 rules in 112 ms. Remains 132 /194 variables (removed 62) and now considering 2163/2205 (removed 42) transitions.
[2023-03-22 20:38:23] [INFO ] Flow matrix only has 1703 transitions (discarded 460 similar events)
// Phase 1: matrix 1703 rows 132 cols
[2023-03-22 20:38:23] [INFO ] Invariants computation overflowed in 11 ms
[2023-03-22 20:38:23] [INFO ] Implicit Places using invariants in 333 ms returned []
[2023-03-22 20:38:23] [INFO ] Flow matrix only has 1703 transitions (discarded 460 similar events)
// Phase 1: matrix 1703 rows 132 cols
[2023-03-22 20:38:23] [INFO ] Invariants computation overflowed in 8 ms
[2023-03-22 20:38:23] [INFO ] State equation strengthened by 820 read => feed constraints.
[2023-03-22 20:38:26] [INFO ] Implicit Places using invariants and state equation in 2759 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 3100 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 130/194 places, 2163/2205 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 35 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 128 transition count 2161
Applied a total of 4 rules in 86 ms. Remains 128 /130 variables (removed 2) and now considering 2161/2163 (removed 2) transitions.
[2023-03-22 20:38:26] [INFO ] Flow matrix only has 1701 transitions (discarded 460 similar events)
// Phase 1: matrix 1701 rows 128 cols
[2023-03-22 20:38:26] [INFO ] Invariants computation overflowed in 14 ms
[2023-03-22 20:38:26] [INFO ] Implicit Places using invariants in 319 ms returned []
[2023-03-22 20:38:26] [INFO ] Flow matrix only has 1701 transitions (discarded 460 similar events)
// Phase 1: matrix 1701 rows 128 cols
[2023-03-22 20:38:26] [INFO ] Invariants computation overflowed in 7 ms
[2023-03-22 20:38:26] [INFO ] State equation strengthened by 820 read => feed constraints.
[2023-03-22 20:38:29] [INFO ] Implicit Places using invariants and state equation in 3167 ms returned []
Implicit Place search using SMT with State Equation took 3494 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 128/194 places, 2161/2205 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 6794 ms. Remains : 128/194 places, 2161/2205 transitions.
Initial state reduction rules removed 20 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 2103 ms. (steps per millisecond=4 ) properties (out of 2141) seen :803
Running SMT prover for 1326 properties.
[2023-03-22 20:38:32] [INFO ] Flow matrix only has 1701 transitions (discarded 460 similar events)
// Phase 1: matrix 1701 rows 128 cols
[2023-03-22 20:38:32] [INFO ] Invariants computation overflowed in 5 ms
[2023-03-22 20:39:08] [INFO ] After 19977ms SMT Verify possible using state equation in real domain returned unsat :432 sat :687 real:206
[2023-03-22 20:39:08] [INFO ] State equation strengthened by 820 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:399)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-22 20:39:08] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-22 20:39:08] [INFO ] After 25054ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 158207 ms.
ITS solved all properties within timeout

BK_STOP 1679517548541

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -timeout 180 -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="Liveness"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5348"
echo " Executing tool lolaxred"
echo " Input is SimpleLoadBal-PT-20, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r437-tajo-167905985300334"
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 [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;