Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994500500.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is SimpleLoadBal-PT-02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994500500
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 38K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1749202560252

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SimpleLoadBal-PT-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 09:36:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 09:36:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 09:36:01] [INFO ] Load time of PNML (sax parser for PT used): 50 ms
[2025-06-06 09:36:01] [INFO ] Transformed 32 places.
[2025-06-06 09:36:01] [INFO ] Transformed 45 transitions.
[2025-06-06 09:36:01] [INFO ] Found NUPN structural information;
[2025-06-06 09:36:01] [INFO ] Completing missing partition info from NUPN : creating a component with [P_client_idle_1, P_client_idle_2, P_client_waiting_1, P_client_waiting_2, P_client_request_1, P_client_request_2, P_client_ack_1, P_client_ack_2, 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_lb_idle_1, P_lb_routing_1_1, P_lb_routing_1_2, P_lb_balancing_1, P_lb_load_1_0, P_lb_load_1_1, P_lb_load_1_2, P_lb_load_2_0, P_lb_load_2_1, P_lb_load_2_2]
[2025-06-06 09:36:01] [INFO ] Parsed PT model containing 32 places and 45 transitions and 252 arcs in 135 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA SimpleLoadBal-PT-02-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-02-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-02-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 32 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 32/32 places, 45/45 transitions.
Applied a total of 0 rules in 7 ms. Remains 32 /32 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:01] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2025-06-06 09:36:01] [INFO ] Computed 13 invariants in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:01] [INFO ] Implicit Places using invariants in 165 ms returned [2, 3]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 196 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/32 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 217 ms. Remains : 30/32 places, 45/45 transitions.
Support contains 25 out of 30 places after structural reductions.
[2025-06-06 09:36:02] [INFO ] Flatten gal took : 19 ms
[2025-06-06 09:36:02] [INFO ] Flatten gal took : 8 ms
[2025-06-06 09:36:02] [INFO ] Input system was already deterministic with 45 transitions.
Reduction of identical properties reduced properties to check from 28 to 26
RANDOM walk for 40000 steps (8 resets) in 1284 ms. (31 steps per ms) remains 3/26 properties
BEST_FIRST walk for 40003 steps (8 resets) in 245 ms. (162 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 238 ms. (167 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 3/3 properties
[2025-06-06 09:36:02] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 30 cols
[2025-06-06 09:36:02] [INFO ] Computed 11 invariants in 2 ms
[2025-06-06 09:36:02] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp27 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 2/12 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/12 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/20 variables, 3/15 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 10/25 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/28 variables, 4/29 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 8/37 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/28 variables, 0/37 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/30 variables, 2/39 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/30 variables, 2/41 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/30 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 35/65 variables, 30/71 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/65 variables, 10/81 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/65 variables, 0/81 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/65 variables, 0/81 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 81 constraints, problems are : Problem set: 2 solved, 1 unsolved in 156 ms.
Refiners :[Domain max(s): 30/30 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 12/15 variables, 4/7 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 12/19 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/19 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 5/20 variables, 1/20 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 5/25 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 8/28 variables, 4/29 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/28 variables, 8/37 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/28 variables, 0/37 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/30 variables, 2/39 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/30 variables, 2/41 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/30 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 35/65 variables, 30/71 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/65 variables, 10/81 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/65 variables, 1/82 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/65 variables, 0/82 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/65 variables, 0/82 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 82 constraints, problems are : Problem set: 2 solved, 1 unsolved in 125 ms.
Refiners :[Domain max(s): 30/30 constraints, Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 308ms problems are : Problem set: 2 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 3 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 45/45 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 30 transition count 43
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 28 transition count 43
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 12 place count 24 transition count 39
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 24 transition count 38
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 14 place count 23 transition count 38
Applied a total of 14 rules in 19 ms. Remains 23 /30 variables (removed 7) and now considering 38/45 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 23/30 places, 38/45 transitions.
RANDOM walk for 20367 steps (3 resets) in 113 ms. (178 steps per ms) remains 0/1 properties
FORMULA SimpleLoadBal-PT-02-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 30 transition count 43
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 28 transition count 43
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 10 place count 25 transition count 40
Applied a total of 10 rules in 7 ms. Remains 25 /30 variables (removed 5) and now considering 40/45 (removed 5) transitions.
[2025-06-06 09:36:03] [INFO ] Flow matrix only has 30 transitions (discarded 10 similar events)
// Phase 1: matrix 30 rows 25 cols
[2025-06-06 09:36:03] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:03] [INFO ] Implicit Places using invariants in 77 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 78 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/30 places, 40/45 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 38
Applied a total of 4 rules in 5 ms. Remains 21 /23 variables (removed 2) and now considering 38/40 (removed 2) transitions.
[2025-06-06 09:36:03] [INFO ] Flow matrix only has 28 transitions (discarded 10 similar events)
// Phase 1: matrix 28 rows 21 cols
[2025-06-06 09:36:03] [INFO ] Computed 9 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:03] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-06 09:36:03] [INFO ] Flow matrix only has 28 transitions (discarded 10 similar events)
[2025-06-06 09:36:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:03] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-06 09:36:03] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/30 places, 38/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 190 ms. Remains : 21/30 places, 38/45 transitions.
Stuttering acceptance computed with spot in 169 ms :[(NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-01
Product exploration explored 100000 steps with 2827 reset in 225 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-01 finished in 642 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X(X(X(F(p1)))))))'
Support contains 2 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Applied a total of 0 rules in 0 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:04] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 30 cols
[2025-06-06 09:36:04] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:04] [INFO ] Implicit Places using invariants in 57 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 58 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 61 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 239 ms :[(NOT p1), (NOT p1), (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-02
Entered a terminal (fully accepting) state of product in 28 steps with 4 reset in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-02 finished in 317 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)&&X(((F(p0) U p1) U p2)))))'
Support contains 7 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:04] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:36:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:04] [INFO ] Implicit Places using invariants in 34 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 29/30 places, 45/45 transitions.
Applied a total of 0 rules in 0 ms. Remains 29 /29 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 36 ms. Remains : 29/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 285 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2), (NOT p0), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-03 finished in 339 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!X((X((p0 U !G(p1))) U X(!p2))) U p2)))'
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:04] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:36:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:04] [INFO ] Implicit Places using invariants in 34 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 232 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p2) (NOT p1)), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-04
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 1 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-04 finished in 290 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X((G(F(p1)) U p2)))))'
Support contains 7 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:05] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:36:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:05] [INFO ] Implicit Places using invariants in 54 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 68 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 70 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 218 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p2)), (NOT p0), (NOT p2), (NOT p1), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-07
Product exploration explored 100000 steps with 335 reset in 143 ms.
Stack based approach found an accepted trace after 43 steps with 0 reset with depth 44 and stack size 44 in 1 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-07 finished in 449 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((!p0||X(!p1)||G(!p2))) U X(!p3)))'
Support contains 8 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:05] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:36:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:05] [INFO ] Implicit Places using invariants in 39 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 40 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 369 ms :[p3, p3, (AND p2 p3 p1), (AND p3 p1), p1, (AND p0 p2 p1), (AND p2 p1), true, p2]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 85 ms.
Product exploration explored 100000 steps with 50000 reset in 95 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p3) (NOT p1)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND p2 p3 p1))), (X (NOT (AND (NOT p2) p3 p1))), (X (NOT (AND p0 (NOT p2) p3))), (X (NOT (AND p3 p1))), (X (NOT p0)), (X (NOT (AND p0 p2 p3))), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p0))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p0 p2 p3)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 20 factoid took 25 ms. Reduced automaton from 9 states, 19 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SimpleLoadBal-PT-02-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SimpleLoadBal-PT-02-LTLFireability-08 finished in 655 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 8 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 30 transition count 43
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 28 transition count 43
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 10 place count 25 transition count 40
Applied a total of 10 rules in 5 ms. Remains 25 /30 variables (removed 5) and now considering 40/45 (removed 5) transitions.
[2025-06-06 09:36:06] [INFO ] Flow matrix only has 30 transitions (discarded 10 similar events)
// Phase 1: matrix 30 rows 25 cols
[2025-06-06 09:36:06] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:06] [INFO ] Implicit Places using invariants in 38 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/30 places, 40/45 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 23 transition count 39
Applied a total of 2 rules in 3 ms. Remains 23 /24 variables (removed 1) and now considering 39/40 (removed 1) transitions.
[2025-06-06 09:36:06] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
// Phase 1: matrix 29 rows 23 cols
[2025-06-06 09:36:06] [INFO ] Computed 10 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:06] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-06 09:36:06] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
[2025-06-06 09:36:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:06] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-06 09:36:06] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/30 places, 39/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 129 ms. Remains : 23/30 places, 39/45 transitions.
Stuttering acceptance computed with spot in 86 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-09
Product exploration explored 100000 steps with 6731 reset in 110 ms.
Stack based approach found an accepted trace after 50 steps with 3 reset with depth 9 and stack size 9 in 1 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-09 finished in 366 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 30 transition count 44
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 29 transition count 44
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 25 transition count 40
Applied a total of 10 rules in 5 ms. Remains 25 /30 variables (removed 5) and now considering 40/45 (removed 5) transitions.
[2025-06-06 09:36:06] [INFO ] Flow matrix only has 30 transitions (discarded 10 similar events)
// Phase 1: matrix 30 rows 25 cols
[2025-06-06 09:36:06] [INFO ] Computed 11 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:06] [INFO ] Implicit Places using invariants in 50 ms returned [5, 6]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 51 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/30 places, 40/45 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 38
Applied a total of 4 rules in 3 ms. Remains 21 /23 variables (removed 2) and now considering 38/40 (removed 2) transitions.
[2025-06-06 09:36:06] [INFO ] Flow matrix only has 28 transitions (discarded 10 similar events)
// Phase 1: matrix 28 rows 21 cols
[2025-06-06 09:36:06] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:06] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-06 09:36:06] [INFO ] Flow matrix only has 28 transitions (discarded 10 similar events)
[2025-06-06 09:36:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:06] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-06 09:36:06] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/30 places, 38/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 153 ms. Remains : 21/30 places, 38/45 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-10
Product exploration explored 100000 steps with 18399 reset in 84 ms.
Stack based approach found an accepted trace after 867 steps with 148 reset with depth 6 and stack size 6 in 1 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-10 finished in 333 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(((!p0&&X(X((!p1||F(!p2)))))||G((!p1||F(!p2)))))))))'
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:06] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 30 cols
[2025-06-06 09:36:06] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:06] [INFO ] Implicit Places using invariants in 39 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 40 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 448 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-11
Product exploration explored 100000 steps with 16666 reset in 72 ms.
Product exploration explored 100000 steps with 16666 reset in 97 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 121 ms. Reduced automaton from 10 states, 23 edges and 3 AP (stutter sensitive) to 10 states, 23 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 422 ms :[(AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2), (AND p1 p2)]
RANDOM walk for 40000 steps (8 resets) in 223 ms. (178 steps per ms) remains 3/7 properties
BEST_FIRST walk for 40002 steps (8 resets) in 338 ms. (118 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 105 ms. (377 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 118 ms. (336 steps per ms) remains 3/3 properties
[2025-06-06 09:36:08] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 28 cols
[2025-06-06 09:36:08] [INFO ] Computed 9 invariants in 0 ms
[2025-06-06 09:36:08] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 14/20 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 8/28 variables, 4/29 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/28 variables, 8/37 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/28 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 35/63 variables, 28/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/63 variables, 10/75 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/63 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/63 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 63/63 variables, and 75 constraints, problems are : Problem set: 0 solved, 3 unsolved in 70 ms.
Refiners :[Domain max(s): 28/28 constraints, Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 28/28 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf3 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem apf1 is UNSAT
Problem apf2 is UNSAT
After SMT solving in domain Int declared 20/63 variables, and 11 constraints, problems are : Problem set: 3 solved, 0 unsolved in 28 ms.
Refiners :[Domain max(s): 6/28 constraints, Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 0/4 constraints, State Equation: 0/28 constraints, ReadFeed: 0/10 constraints, PredecessorRefiner: 0/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (G (OR (NOT p0) p1 (NOT p2))), (G (OR (NOT p0) (NOT p1) (NOT p2))), (G (OR p0 (NOT p1) (NOT p2)))]
False Knowledge obtained : [(F p0), (F (NOT (OR p0 p1 (NOT p2)))), (F p1), (F p2)]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 12 ms. Reduced automaton from 10 states, 23 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SimpleLoadBal-PT-02-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SimpleLoadBal-PT-02-LTLFireability-11 finished in 1633 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X((F(p1)||(p0 U (G(p3)&&p2))))))'
Support contains 7 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:08] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 30 cols
[2025-06-06 09:36:08] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:08] [INFO ] Implicit Places using invariants in 50 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 52 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 54 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 344 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-12
Product exploration explored 100000 steps with 947 reset in 92 ms.
Stack based approach found an accepted trace after 63 steps with 1 reset with depth 46 and stack size 46 in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-12 finished in 514 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(!p0) U !p1))))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:36:09] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:36:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:09] [INFO ] Implicit Places using invariants in 42 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 43 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 45/45 transitions.
Applied a total of 0 rules in 0 ms. Remains 28 /28 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 189 ms :[p1, p1, p1, true, p0]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-13
Product exploration explored 100000 steps with 33333 reset in 60 ms.
Product exploration explored 100000 steps with 33333 reset in 63 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 15 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SimpleLoadBal-PT-02-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SimpleLoadBal-PT-02-LTLFireability-13 finished in 389 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 45/45 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 30 transition count 43
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 28 transition count 43
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 12 place count 24 transition count 39
Applied a total of 12 rules in 9 ms. Remains 24 /30 variables (removed 6) and now considering 39/45 (removed 6) transitions.
[2025-06-06 09:36:09] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
// Phase 1: matrix 29 rows 24 cols
[2025-06-06 09:36:09] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:09] [INFO ] Implicit Places using invariants in 36 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 37 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/30 places, 39/45 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 20 transition count 37
Applied a total of 4 rules in 3 ms. Remains 20 /22 variables (removed 2) and now considering 37/39 (removed 2) transitions.
[2025-06-06 09:36:09] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2025-06-06 09:36:09] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:09] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-06 09:36:09] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2025-06-06 09:36:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:36:09] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-06 09:36:09] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/30 places, 37/45 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 130 ms. Remains : 20/30 places, 37/45 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 105 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLFireability-14 finished in 290 ms.
All properties solved by simple procedures.
Total runtime 8302 ms.

BK_STOP 1749202569769

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-02"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
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 2-5832"
echo " Executing tool itstools"
echo " Input is SimpleLoadBal-PT-02, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r212-tall-174901994500500"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SimpleLoadBal-PT-02.tgz
mv SimpleLoadBal-PT-02 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;