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.r532-smll-171683810900183.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 ltsminxred
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 r532-smll-171683810900183
=====================================================================

--------------------
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 1717254145894

Invoking MCC driver with
BK_TOOL=ltsminxred
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 ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 15:02:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 15:02:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 15:02:29] [INFO ] Load time of PNML (sax parser for PT used): 542 ms
[2024-06-01 15:02:29] [INFO ] Transformed 194 places.
[2024-06-01 15:02:29] [INFO ] Transformed 2205 transitions.
[2024-06-01 15:02:29] [INFO ] Found NUPN structural information;
[2024-06-01 15:02:29] [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]
[2024-06-01 15:02:29] [INFO ] Parsed PT model containing 194 places and 2205 transitions and 15678 arcs in 1043 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 38 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 4578 ms. (8 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 1011 ms. (39 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 203 ms. (196 steps per ms) remains 11/12 properties
FORMULA SimpleLoadBal-PT-20-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 258 ms. (154 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 697 ms. (57 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 541 ms. (73 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 491 ms. (81 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 176 ms. (226 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 278 ms. (143 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 232 ms. (171 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 130 ms. (305 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 96 ms. (412 steps per ms) remains 10/10 properties
[2024-06-01 15:02:32] [INFO ] Flow matrix only has 1745 transitions (discarded 460 similar events)
// Phase 1: matrix 1745 rows 194 cols
[2024-06-01 15:02:32] [INFO ] Invariants computation overflowed in 44 ms
[2024-06-01 15:02:32] [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 3571 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 3152 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 7731ms problems are : Problem set: 9 solved, 1 unsolved
Parikh walk visited 0 properties in 1361 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 7 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 303 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 323 ms. Remains : 134/194 places, 2165/2205 transitions.
RANDOM walk for 40000 steps (8 resets) in 684 ms. (58 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 388 ms. (102 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 197079 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :0 out of 1
Probabilistic random walk after 197079 steps, saw 136437 distinct states, run finished after 3008 ms. (steps per millisecond=65 ) properties seen :0
[2024-06-01 15:02:45] [INFO ] Flow matrix only has 1705 transitions (discarded 460 similar events)
// Phase 1: matrix 1705 rows 134 cols
[2024-06-01 15:02:45] [INFO ] Invariants computation overflowed in 17 ms
[2024-06-01 15:02:45] [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 1298 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 2023 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 3483ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 333 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 216 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 216 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 208 ms. Remains 134 /134 variables (removed 0) and now considering 2165/2165 (removed 0) transitions.
[2024-06-01 15:02:49] [INFO ] Flow matrix only has 1705 transitions (discarded 460 similar events)
// Phase 1: matrix 1705 rows 134 cols
[2024-06-01 15:02:49] [INFO ] Invariants computation overflowed in 11 ms
[2024-06-01 15:02:49] [INFO ] Implicit Places using invariants in 216 ms returned []
[2024-06-01 15:02:49] [INFO ] Flow matrix only has 1705 transitions (discarded 460 similar events)
// Phase 1: matrix 1705 rows 134 cols
[2024-06-01 15:02:49] [INFO ] Invariants computation overflowed in 12 ms
[2024-06-01 15:02:50] [INFO ] State equation strengthened by 820 read => feed constraints.
[2024-06-01 15:02:53] [INFO ] Implicit Places using invariants and state equation in 4226 ms returned [22, 23]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 4459 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 2 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 374 ms. Remains 131 /132 variables (removed 1) and now considering 2164/2165 (removed 1) transitions.
[2024-06-01 15:02:54] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-06-01 15:02:54] [INFO ] Invariants computation overflowed in 19 ms
[2024-06-01 15:02:54] [INFO ] Implicit Places using invariants in 189 ms returned []
[2024-06-01 15:02:54] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-06-01 15:02:54] [INFO ] Invariants computation overflowed in 9 ms
[2024-06-01 15:02:55] [INFO ] State equation strengthened by 820 read => feed constraints.
[2024-06-01 15:02:58] [INFO ] Implicit Places using invariants and state equation in 3623 ms returned []
Implicit Place search using SMT with State Equation took 3814 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 8857 ms. Remains : 131/134 places, 2164/2165 transitions.
RANDOM walk for 40000 steps (8 resets) in 755 ms. (52 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 433 ms. (92 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 230616 steps, run timeout after 3001 ms. (steps per millisecond=76 ) properties seen :0 out of 1
Probabilistic random walk after 230616 steps, saw 160136 distinct states, run finished after 3001 ms. (steps per millisecond=76 ) properties seen :0
[2024-06-01 15:03:01] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-06-01 15:03:01] [INFO ] Invariants computation overflowed in 7 ms
[2024-06-01 15:03:01] [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 1101 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 1379 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 2589ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 319 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 92 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 92 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 83 ms. Remains 131 /131 variables (removed 0) and now considering 2164/2164 (removed 0) transitions.
[2024-06-01 15:03:04] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-06-01 15:03:04] [INFO ] Invariants computation overflowed in 7 ms
[2024-06-01 15:03:04] [INFO ] Implicit Places using invariants in 213 ms returned []
[2024-06-01 15:03:04] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-06-01 15:03:04] [INFO ] Invariants computation overflowed in 7 ms
[2024-06-01 15:03:05] [INFO ] State equation strengthened by 820 read => feed constraints.
[2024-06-01 15:03:08] [INFO ] Implicit Places using invariants and state equation in 3609 ms returned []
Implicit Place search using SMT with State Equation took 3824 ms to find 0 implicit places.
[2024-06-01 15:03:08] [INFO ] Redundant transitions in 139 ms returned []
Running 2144 sub problems to find dead transitions.
[2024-06-01 15:03:08] [INFO ] Flow matrix only has 1704 transitions (discarded 460 similar events)
// Phase 1: matrix 1704 rows 131 cols
[2024-06-01 15:03:08] [INFO ] Invariants computation overflowed in 8 ms
[2024-06-01 15:03:08] [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 30115 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 31857 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 87355ms problems are : Problem set: 0 solved, 2144 unsolved
Search for dead transitions found 0 dead transitions in 87402ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 91471 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 97 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
[2024-06-01 15:04:36] [INFO ] Invariants computation overflowed in 7 ms
[2024-06-01 15:04:36] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
SMT process timed out, exceeded limit of 225
[2024-06-01 15:04:37] [INFO ] After 1227ms SMT Verify possible using After timeout in natural domain returned unsat :0 sat :1
[2024-06-01 15:04:37] [INFO ] After 1283ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 1533 ms.
[2024-06-01 15:04:37] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 6 ms.
[2024-06-01 15:04:37] [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.
[2024-06-01 15:04:38] [INFO ] Flatten gal took : 577 ms
Total runtime 130150 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : SimpleLoadBal-PT-20-ReachabilityFireability-2024-01

BK_STOP 1717254278757

--------------------
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
mcc2024
rfs formula name SimpleLoadBal-PT-20-ReachabilityFireability-2024-01
rfs formula type AG
rfs formula formula --invariant=/tmp/578/inv_0_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="ltsminxred"
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 ltsminxred"
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 r532-smll-171683810900183"
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 ;