fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r425-tajo-167905978300516
Last Updated
May 14, 2023

About the Execution of LTSMin+red for SimpleLoadBal-PT-10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
639.132 34788.00 55622.00 93.50 FFFFTF?FFTFFFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r425-tajo-167905978300516.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SimpleLoadBal-PT-10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r425-tajo-167905978300516
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 976K
-rw-r--r-- 1 mcc users 8.8K Feb 26 03:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 03:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 26 03:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Feb 26 03:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 17:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Feb 25 17:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 03:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Feb 26 03:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 03:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 03:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 535K Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1679321691382

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SimpleLoadBal-PT-10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 14:14:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 14:14:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 14:14:53] [INFO ] Load time of PNML (sax parser for PT used): 89 ms
[2023-03-20 14:14:53] [INFO ] Transformed 104 places.
[2023-03-20 14:14:53] [INFO ] Transformed 605 transitions.
[2023-03-20 14:14:53] [INFO ] Found NUPN structural information;
[2023-03-20 14:14:53] [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_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_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_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_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_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_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_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]
[2023-03-20 14:14:53] [INFO ] Parsed PT model containing 104 places and 605 transitions and 4148 arcs in 159 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA SimpleLoadBal-PT-10-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-10-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-10-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-10-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 39 out of 104 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 104/104 places, 605/605 transitions.
Applied a total of 0 rules in 22 ms. Remains 104 /104 variables (removed 0) and now considering 605/605 (removed 0) transitions.
[2023-03-20 14:14:53] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
// Phase 1: matrix 475 rows 104 cols
[2023-03-20 14:14:53] [INFO ] Computed 29 place invariants in 18 ms
[2023-03-20 14:14:53] [INFO ] Implicit Places using invariants in 240 ms returned [11, 13, 14, 15, 16, 17, 18, 19, 42, 43]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 267 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 94/104 places, 605/605 transitions.
Applied a total of 0 rules in 8 ms. Remains 94 /94 variables (removed 0) and now considering 605/605 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 297 ms. Remains : 94/104 places, 605/605 transitions.
Support contains 39 out of 94 places after structural reductions.
[2023-03-20 14:14:54] [INFO ] Flatten gal took : 80 ms
[2023-03-20 14:14:54] [INFO ] Flatten gal took : 53 ms
[2023-03-20 14:14:54] [INFO ] Input system was already deterministic with 605 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 636 ms. (steps per millisecond=15 ) properties (out of 24) seen :16
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 8) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-20 14:14:55] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
// Phase 1: matrix 475 rows 94 cols
[2023-03-20 14:14:55] [INFO ] Computed 19 place invariants in 11 ms
[2023-03-20 14:14:55] [INFO ] [Real]Absence check using 15 positive place invariants in 13 ms returned sat
[2023-03-20 14:14:55] [INFO ] [Real]Absence check using 15 positive and 4 generalized place invariants in 5 ms returned sat
[2023-03-20 14:14:55] [INFO ] After 234ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-20 14:14:55] [INFO ] [Nat]Absence check using 15 positive place invariants in 3 ms returned sat
[2023-03-20 14:14:55] [INFO ] [Nat]Absence check using 15 positive and 4 generalized place invariants in 27 ms returned sat
[2023-03-20 14:14:55] [INFO ] After 282ms SMT Verify possible using state equation in natural domain returned unsat :3 sat :1
[2023-03-20 14:14:55] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:14:56] [INFO ] After 138ms SMT Verify possible using 210 Read/Feed constraints in natural domain returned unsat :3 sat :1
[2023-03-20 14:14:56] [INFO ] Deduced a trap composed of 13 places in 238 ms of which 6 ms to minimize.
[2023-03-20 14:14:56] [INFO ] Deduced a trap composed of 14 places in 140 ms of which 1 ms to minimize.
[2023-03-20 14:14:56] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 2 trap constraints in 455 ms
[2023-03-20 14:14:56] [INFO ] After 659ms SMT Verify possible using trap constraints in natural domain returned unsat :4 sat :0
[2023-03-20 14:14:56] [INFO ] After 1096ms SMT Verify possible using all constraints in natural domain returned unsat :4 sat :0
Fused 4 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 4 atomic propositions for a total of 12 simplifications.
FORMULA SimpleLoadBal-PT-10-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA SimpleLoadBal-PT-10-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 94 transition count 595
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 84 transition count 595
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 74 transition count 585
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 46 place count 70 transition count 583
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
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 50 place count 68 transition count 581
Applied a total of 50 rules in 85 ms. Remains 68 /94 variables (removed 26) and now considering 581/605 (removed 24) transitions.
[2023-03-20 14:14:56] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
// Phase 1: matrix 451 rows 68 cols
[2023-03-20 14:14:57] [INFO ] Computed 17 place invariants in 7 ms
[2023-03-20 14:14:57] [INFO ] Implicit Places using invariants in 225 ms returned []
[2023-03-20 14:14:57] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:14:57] [INFO ] Invariant cache hit.
[2023-03-20 14:14:57] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:14:57] [INFO ] Implicit Places using invariants and state equation in 506 ms returned []
Implicit Place search using SMT with State Equation took 741 ms to find 0 implicit places.
[2023-03-20 14:14:57] [INFO ] Redundant transitions in 27 ms returned []
[2023-03-20 14:14:57] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:14:57] [INFO ] Invariant cache hit.
[2023-03-20 14:14:58] [INFO ] Dead Transitions using invariants and state equation in 270 ms found 192 transitions.
Found 192 dead transitions using SMT.
Drop transitions removed 192 transitions
Dead transitions reduction (with SMT) removed 192 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 68/94 places, 389/605 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 64 transition count 381
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 62 transition count 377
Reduce places removed 2 places and 24 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 60 transition count 353
Applied a total of 6 rules in 16 ms. Remains 60 /68 variables (removed 8) and now considering 353/389 (removed 36) transitions.
[2023-03-20 14:14:58] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
// Phase 1: matrix 275 rows 60 cols
[2023-03-20 14:14:58] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-20 14:14:58] [INFO ] Implicit Places using invariants in 111 ms returned []
[2023-03-20 14:14:58] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:14:58] [INFO ] Invariant cache hit.
[2023-03-20 14:14:58] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:14:58] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 304 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 60/94 places, 353/605 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1451 ms. Remains : 60/94 places, 353/605 transitions.
Stuttering acceptance computed with spot in 167 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s38 1) (EQ s48 1) (EQ s55 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 185 reset in 552 ms.
Stack based approach found an accepted trace after 41 steps with 0 reset with depth 42 and stack size 42 in 1 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-00 finished in 2253 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)&&F(p1))))'
Support contains 8 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 94 transition count 595
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 84 transition count 595
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 74 transition count 585
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 43 place count 72 transition count 584
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 45 place count 71 transition count 583
Applied a total of 45 rules in 56 ms. Remains 71 /94 variables (removed 23) and now considering 583/605 (removed 22) transitions.
[2023-03-20 14:14:59] [INFO ] Flow matrix only has 453 transitions (discarded 130 similar events)
// Phase 1: matrix 453 rows 71 cols
[2023-03-20 14:14:59] [INFO ] Computed 18 place invariants in 5 ms
[2023-03-20 14:14:59] [INFO ] Implicit Places using invariants in 151 ms returned []
[2023-03-20 14:14:59] [INFO ] Flow matrix only has 453 transitions (discarded 130 similar events)
[2023-03-20 14:14:59] [INFO ] Invariant cache hit.
[2023-03-20 14:14:59] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:14:59] [INFO ] Implicit Places using invariants and state equation in 482 ms returned []
Implicit Place search using SMT with State Equation took 635 ms to find 0 implicit places.
[2023-03-20 14:14:59] [INFO ] Redundant transitions in 12 ms returned []
[2023-03-20 14:14:59] [INFO ] Flow matrix only has 453 transitions (discarded 130 similar events)
[2023-03-20 14:14:59] [INFO ] Invariant cache hit.
[2023-03-20 14:15:00] [INFO ] Dead Transitions using invariants and state equation in 274 ms found 192 transitions.
Found 192 dead transitions using SMT.
Drop transitions removed 192 transitions
Dead transitions reduction (with SMT) removed 192 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 71/94 places, 391/605 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 67 transition count 383
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 65 transition count 379
Reduce places removed 2 places and 24 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 63 transition count 355
Applied a total of 6 rules in 20 ms. Remains 63 /71 variables (removed 8) and now considering 355/391 (removed 36) transitions.
[2023-03-20 14:15:00] [INFO ] Flow matrix only has 277 transitions (discarded 78 similar events)
// Phase 1: matrix 277 rows 63 cols
[2023-03-20 14:15:00] [INFO ] Computed 18 place invariants in 2 ms
[2023-03-20 14:15:00] [INFO ] Implicit Places using invariants in 86 ms returned []
[2023-03-20 14:15:00] [INFO ] Flow matrix only has 277 transitions (discarded 78 similar events)
[2023-03-20 14:15:00] [INFO ] Invariant cache hit.
[2023-03-20 14:15:00] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:00] [INFO ] Implicit Places using invariants and state equation in 220 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 63/94 places, 355/605 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1317 ms. Remains : 63/94 places, 355/605 transitions.
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (EQ s35 1) (EQ s48 1) (EQ s51 1) (EQ s56 1)) (AND (EQ s9 1) (EQ s12 1))), p1:(OR (AND (EQ s35 1) (EQ s48 1) (EQ s51 1) (EQ s56 1)) (AND (EQ s4...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 45 reset in 427 ms.
Stack based approach found an accepted trace after 168 steps with 0 reset with depth 169 and stack size 169 in 1 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-01 finished in 1922 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X(X(G(p1)))))'
Support contains 6 out of 94 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Applied a total of 0 rules in 3 ms. Remains 94 /94 variables (removed 0) and now considering 605/605 (removed 0) transitions.
[2023-03-20 14:15:01] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
// Phase 1: matrix 475 rows 94 cols
[2023-03-20 14:15:01] [INFO ] Computed 19 place invariants in 7 ms
[2023-03-20 14:15:01] [INFO ] Implicit Places using invariants in 170 ms returned [10, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 172 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 92/94 places, 605/605 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 605/605 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 178 ms. Remains : 92/94 places, 605/605 transitions.
Stuttering acceptance computed with spot in 178 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}], [{ cond=(NOT p0), acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(AND (EQ s50 1) (EQ s69 1) (EQ s73 1) (EQ s82 1)), p1:(AND (EQ s34 1) (EQ s58 1) (EQ s73 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 4 reset in 340 ms.
Stack based approach found an accepted trace after 869 steps with 0 reset with depth 870 and stack size 870 in 4 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-02 finished in 753 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p1)||p0))))'
Support contains 7 out of 94 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Applied a total of 0 rules in 2 ms. Remains 94 /94 variables (removed 0) and now considering 605/605 (removed 0) transitions.
[2023-03-20 14:15:01] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
[2023-03-20 14:15:01] [INFO ] Invariant cache hit.
[2023-03-20 14:15:02] [INFO ] Implicit Places using invariants in 259 ms returned [10, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 262 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 92/94 places, 605/605 transitions.
Applied a total of 0 rules in 2 ms. Remains 92 /92 variables (removed 0) and now considering 605/605 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 267 ms. Remains : 92/94 places, 605/605 transitions.
Stuttering acceptance computed with spot in 171 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}, { cond=(AND p0 p1), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 1}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=2, aps=[p1:(OR (EQ s61 0) (EQ s73 0) (EQ s85 0)), p0:(OR (EQ s39 0) (EQ s69 0) (EQ s70 0) (EQ s83 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 350 ms.
Product exploration explored 100000 steps with 0 reset in 502 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 p1 p0), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 293 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 146 ms. (steps per millisecond=68 ) properties (out of 4) seen :2
Finished Best-First random walk after 1317 steps, including 0 resets, run visited all 2 properties in 5 ms. (steps per millisecond=263 )
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1)), (F (NOT (AND p1 p0))), (F (AND p1 (NOT p0)))]
Knowledge based reduction with 6 factoid took 333 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 107 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 7 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 605/605 transitions.
Applied a total of 0 rules in 2 ms. Remains 92 /92 variables (removed 0) and now considering 605/605 (removed 0) transitions.
[2023-03-20 14:15:04] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
// Phase 1: matrix 475 rows 92 cols
[2023-03-20 14:15:04] [INFO ] Computed 17 place invariants in 6 ms
[2023-03-20 14:15:04] [INFO ] Implicit Places using invariants in 148 ms returned []
[2023-03-20 14:15:04] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
[2023-03-20 14:15:04] [INFO ] Invariant cache hit.
[2023-03-20 14:15:04] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:15:05] [INFO ] Implicit Places using invariants and state equation in 852 ms returned []
Implicit Place search using SMT with State Equation took 1016 ms to find 0 implicit places.
[2023-03-20 14:15:05] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
[2023-03-20 14:15:05] [INFO ] Invariant cache hit.
[2023-03-20 14:15:05] [INFO ] Dead Transitions using invariants and state equation in 270 ms found 192 transitions.
Found 192 dead transitions using SMT.
Drop transitions removed 192 transitions
Dead transitions reduction (with SMT) removed 192 transitions
Starting structural reductions in LTL mode, iteration 1 : 92/92 places, 413/605 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 90 transition count 409
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 88 transition count 405
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 86 transition count 401
Reduce places removed 2 places and 24 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 8 place count 84 transition count 377
Applied a total of 8 rules in 6 ms. Remains 84 /92 variables (removed 8) and now considering 377/413 (removed 36) transitions.
[2023-03-20 14:15:05] [INFO ] Flow matrix only has 299 transitions (discarded 78 similar events)
// Phase 1: matrix 299 rows 84 cols
[2023-03-20 14:15:05] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-20 14:15:05] [INFO ] Implicit Places using invariants in 80 ms returned []
[2023-03-20 14:15:05] [INFO ] Flow matrix only has 299 transitions (discarded 78 similar events)
[2023-03-20 14:15:05] [INFO ] Invariant cache hit.
[2023-03-20 14:15:05] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:05] [INFO ] Implicit Places using invariants and state equation in 317 ms returned []
Implicit Place search using SMT with State Equation took 399 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 84/92 places, 377/605 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1696 ms. Remains : 84/92 places, 377/605 transitions.
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 p1 p0), (X p0), (X (X p1)), (X (X (AND p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 267 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 95 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 145 ms. (steps per millisecond=68 ) properties (out of 4) seen :2
Finished Best-First random walk after 554 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=184 )
Knowledge obtained : [(AND p1 p0), (X p0), (X (X p1)), (X (X (AND p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1)), (F (NOT (AND p1 p0))), (F (AND p1 (NOT p0)))]
Knowledge based reduction with 6 factoid took 379 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 93 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 136 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 136 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 290 ms.
Product exploration explored 100000 steps with 0 reset in 460 ms.
Support contains 7 out of 84 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 377/377 transitions.
Applied a total of 0 rules in 1 ms. Remains 84 /84 variables (removed 0) and now considering 377/377 (removed 0) transitions.
[2023-03-20 14:15:08] [INFO ] Flow matrix only has 299 transitions (discarded 78 similar events)
[2023-03-20 14:15:08] [INFO ] Invariant cache hit.
[2023-03-20 14:15:08] [INFO ] Implicit Places using invariants in 128 ms returned []
[2023-03-20 14:15:08] [INFO ] Flow matrix only has 299 transitions (discarded 78 similar events)
[2023-03-20 14:15:08] [INFO ] Invariant cache hit.
[2023-03-20 14:15:08] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:08] [INFO ] Implicit Places using invariants and state equation in 343 ms returned []
Implicit Place search using SMT with State Equation took 473 ms to find 0 implicit places.
[2023-03-20 14:15:08] [INFO ] Flow matrix only has 299 transitions (discarded 78 similar events)
[2023-03-20 14:15:08] [INFO ] Invariant cache hit.
[2023-03-20 14:15:08] [INFO ] Dead Transitions using invariants and state equation in 216 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 693 ms. Remains : 84/84 places, 377/377 transitions.
Treatment of property SimpleLoadBal-PT-10-LTLFireability-06 finished in 7199 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((F(p0)&&X((p0 U p1)))))'
Support contains 6 out of 94 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Applied a total of 0 rules in 3 ms. Remains 94 /94 variables (removed 0) and now considering 605/605 (removed 0) transitions.
[2023-03-20 14:15:08] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
// Phase 1: matrix 475 rows 94 cols
[2023-03-20 14:15:08] [INFO ] Computed 19 place invariants in 5 ms
[2023-03-20 14:15:09] [INFO ] Implicit Places using invariants in 259 ms returned [10, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 263 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 92/94 places, 605/605 transitions.
Applied a total of 0 rules in 1 ms. Remains 92 /92 variables (removed 0) and now considering 605/605 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 268 ms. Remains : 92/94 places, 605/605 transitions.
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(NOT p1), acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(AND (EQ s50 1) (EQ s69 1) (EQ s76 1) (EQ s85 1)), p1:(AND (EQ s63 1) (EQ s74 1) (EQ s85 1))], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 262 reset in 339 ms.
Stack based approach found an accepted trace after 737 steps with 2 reset with depth 363 and stack size 363 in 3 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-07 finished in 766 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 5 out of 94 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Applied a total of 0 rules in 2 ms. Remains 94 /94 variables (removed 0) and now considering 605/605 (removed 0) transitions.
[2023-03-20 14:15:09] [INFO ] Flow matrix only has 475 transitions (discarded 130 similar events)
[2023-03-20 14:15:09] [INFO ] Invariant cache hit.
[2023-03-20 14:15:09] [INFO ] Implicit Places using invariants in 187 ms returned [10, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 189 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 92/94 places, 605/605 transitions.
Applied a total of 0 rules in 1 ms. Remains 92 /92 variables (removed 0) and now considering 605/605 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 194 ms. Remains : 92/94 places, 605/605 transitions.
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (EQ s34 1) (EQ s58 1) (EQ s75 1) (OR (EQ s34 0) (EQ s69 0) (EQ s80 0)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 1546 reset in 328 ms.
Stack based approach found an accepted trace after 22509 steps with 339 reset with depth 101 and stack size 101 in 73 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-08 finished in 716 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 6 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 94 transition count 595
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 84 transition count 595
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 74 transition count 585
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 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 46 place count 70 transition count 583
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
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 50 place count 68 transition count 581
Applied a total of 50 rules in 31 ms. Remains 68 /94 variables (removed 26) and now considering 581/605 (removed 24) transitions.
[2023-03-20 14:15:10] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
// Phase 1: matrix 451 rows 68 cols
[2023-03-20 14:15:10] [INFO ] Computed 17 place invariants in 6 ms
[2023-03-20 14:15:10] [INFO ] Implicit Places using invariants in 173 ms returned []
[2023-03-20 14:15:10] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:15:10] [INFO ] Invariant cache hit.
[2023-03-20 14:15:10] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:15:11] [INFO ] Implicit Places using invariants and state equation in 396 ms returned []
Implicit Place search using SMT with State Equation took 571 ms to find 0 implicit places.
[2023-03-20 14:15:11] [INFO ] Redundant transitions in 7 ms returned []
[2023-03-20 14:15:11] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:15:11] [INFO ] Invariant cache hit.
[2023-03-20 14:15:11] [INFO ] Dead Transitions using invariants and state equation in 327 ms found 192 transitions.
Found 192 dead transitions using SMT.
Drop transitions removed 192 transitions
Dead transitions reduction (with SMT) removed 192 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 68/94 places, 389/605 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 64 transition count 381
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 62 transition count 377
Reduce places removed 2 places and 24 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 60 transition count 353
Applied a total of 6 rules in 16 ms. Remains 60 /68 variables (removed 8) and now considering 353/389 (removed 36) transitions.
[2023-03-20 14:15:11] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
// Phase 1: matrix 275 rows 60 cols
[2023-03-20 14:15:11] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-20 14:15:11] [INFO ] Implicit Places using invariants in 139 ms returned []
[2023-03-20 14:15:11] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:11] [INFO ] Invariant cache hit.
[2023-03-20 14:15:11] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:11] [INFO ] Implicit Places using invariants and state equation in 245 ms returned []
Implicit Place search using SMT with State Equation took 387 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 60/94 places, 353/605 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1352 ms. Remains : 60/94 places, 353/605 transitions.
Stuttering acceptance computed with spot in 88 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(OR p1 p0), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (EQ s42 1) (EQ s47 1) (EQ s53 1)), p0:(AND (EQ s36 1) (EQ s48 1) (EQ s55 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 403 ms.
Stack based approach found an accepted trace after 8 steps with 0 reset with depth 9 and stack size 9 in 1 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-11 finished in 1879 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||F(p1)))'
Support contains 6 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 94 transition count 595
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 84 transition count 595
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 74 transition count 585
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 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 46 place count 70 transition count 583
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
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 50 place count 68 transition count 581
Applied a total of 50 rules in 58 ms. Remains 68 /94 variables (removed 26) and now considering 581/605 (removed 24) transitions.
[2023-03-20 14:15:12] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
// Phase 1: matrix 451 rows 68 cols
[2023-03-20 14:15:12] [INFO ] Computed 17 place invariants in 6 ms
[2023-03-20 14:15:12] [INFO ] Implicit Places using invariants in 157 ms returned []
[2023-03-20 14:15:12] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:15:12] [INFO ] Invariant cache hit.
[2023-03-20 14:15:12] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:15:13] [INFO ] Implicit Places using invariants and state equation in 562 ms returned []
Implicit Place search using SMT with State Equation took 734 ms to find 0 implicit places.
[2023-03-20 14:15:13] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-20 14:15:13] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:15:13] [INFO ] Invariant cache hit.
[2023-03-20 14:15:13] [INFO ] Dead Transitions using invariants and state equation in 319 ms found 192 transitions.
Found 192 dead transitions using SMT.
Drop transitions removed 192 transitions
Dead transitions reduction (with SMT) removed 192 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 68/94 places, 389/605 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 64 transition count 381
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 62 transition count 377
Reduce places removed 2 places and 24 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 60 transition count 353
Applied a total of 6 rules in 17 ms. Remains 60 /68 variables (removed 8) and now considering 353/389 (removed 36) transitions.
[2023-03-20 14:15:13] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
// Phase 1: matrix 275 rows 60 cols
[2023-03-20 14:15:13] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-20 14:15:13] [INFO ] Implicit Places using invariants in 86 ms returned []
[2023-03-20 14:15:13] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:13] [INFO ] Invariant cache hit.
[2023-03-20 14:15:13] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:13] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 60/94 places, 353/605 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1487 ms. Remains : 60/94 places, 353/605 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}]], initial=1, aps=[p1:(AND (EQ s19 1) (EQ s45 1) (EQ s48 1) (EQ s57 1)), p0:(OR (EQ s40 0) (EQ s48 0) (EQ s55 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 101 reset in 495 ms.
Stack based approach found an accepted trace after 96 steps with 0 reset with depth 97 and stack size 94 in 2 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-13 finished in 2094 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 94 transition count 595
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 84 transition count 595
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 74 transition count 585
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 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 46 place count 70 transition count 583
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 50 place count 68 transition count 581
Applied a total of 50 rules in 35 ms. Remains 68 /94 variables (removed 26) and now considering 581/605 (removed 24) transitions.
[2023-03-20 14:15:14] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
// Phase 1: matrix 451 rows 68 cols
[2023-03-20 14:15:14] [INFO ] Computed 17 place invariants in 6 ms
[2023-03-20 14:15:14] [INFO ] Implicit Places using invariants in 197 ms returned []
[2023-03-20 14:15:14] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:15:14] [INFO ] Invariant cache hit.
[2023-03-20 14:15:14] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:15:15] [INFO ] Implicit Places using invariants and state equation in 458 ms returned []
Implicit Place search using SMT with State Equation took 661 ms to find 0 implicit places.
[2023-03-20 14:15:15] [INFO ] Redundant transitions in 6 ms returned []
[2023-03-20 14:15:15] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:15:15] [INFO ] Invariant cache hit.
[2023-03-20 14:15:15] [INFO ] Dead Transitions using invariants and state equation in 365 ms found 192 transitions.
Found 192 dead transitions using SMT.
Drop transitions removed 192 transitions
Dead transitions reduction (with SMT) removed 192 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 68/94 places, 389/605 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 64 transition count 381
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 62 transition count 377
Reduce places removed 2 places and 24 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 60 transition count 353
Applied a total of 6 rules in 13 ms. Remains 60 /68 variables (removed 8) and now considering 353/389 (removed 36) transitions.
[2023-03-20 14:15:15] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
// Phase 1: matrix 275 rows 60 cols
[2023-03-20 14:15:15] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-20 14:15:15] [INFO ] Implicit Places using invariants in 141 ms returned []
[2023-03-20 14:15:15] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:15] [INFO ] Invariant cache hit.
[2023-03-20 14:15:15] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:15] [INFO ] Implicit Places using invariants and state equation in 228 ms returned []
Implicit Place search using SMT with State Equation took 384 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 60/94 places, 353/605 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1473 ms. Remains : 60/94 places, 353/605 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (NEQ s31 1) (NEQ s45 1) (NEQ s46 1) (NEQ s55 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 516 ms.
Stack based approach found an accepted trace after 1714 steps with 0 reset with depth 1715 and stack size 1653 in 9 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-14 finished in 2062 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 4 out of 94 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 94 transition count 595
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 84 transition count 595
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 38 place count 75 transition count 586
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 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 41 place count 73 transition count 585
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 43 place count 72 transition count 584
Applied a total of 43 rules in 37 ms. Remains 72 /94 variables (removed 22) and now considering 584/605 (removed 21) transitions.
[2023-03-20 14:15:16] [INFO ] Flow matrix only has 454 transitions (discarded 130 similar events)
// Phase 1: matrix 454 rows 72 cols
[2023-03-20 14:15:16] [INFO ] Computed 18 place invariants in 8 ms
[2023-03-20 14:15:16] [INFO ] Implicit Places using invariants in 187 ms returned []
[2023-03-20 14:15:16] [INFO ] Flow matrix only has 454 transitions (discarded 130 similar events)
[2023-03-20 14:15:16] [INFO ] Invariant cache hit.
[2023-03-20 14:15:16] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:15:17] [INFO ] Implicit Places using invariants and state equation in 512 ms returned []
Implicit Place search using SMT with State Equation took 714 ms to find 0 implicit places.
[2023-03-20 14:15:17] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-20 14:15:17] [INFO ] Flow matrix only has 454 transitions (discarded 130 similar events)
[2023-03-20 14:15:17] [INFO ] Invariant cache hit.
[2023-03-20 14:15:17] [INFO ] Dead Transitions using invariants and state equation in 490 ms found 192 transitions.
Found 192 dead transitions using SMT.
Drop transitions removed 192 transitions
Dead transitions reduction (with SMT) removed 192 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 72/94 places, 392/605 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 68 transition count 384
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 66 transition count 380
Reduce places removed 2 places and 24 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 64 transition count 356
Applied a total of 6 rules in 21 ms. Remains 64 /72 variables (removed 8) and now considering 356/392 (removed 36) transitions.
[2023-03-20 14:15:17] [INFO ] Flow matrix only has 278 transitions (discarded 78 similar events)
// Phase 1: matrix 278 rows 64 cols
[2023-03-20 14:15:17] [INFO ] Computed 18 place invariants in 2 ms
[2023-03-20 14:15:17] [INFO ] Implicit Places using invariants in 108 ms returned []
[2023-03-20 14:15:17] [INFO ] Flow matrix only has 278 transitions (discarded 78 similar events)
[2023-03-20 14:15:17] [INFO ] Invariant cache hit.
[2023-03-20 14:15:17] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:18] [INFO ] Implicit Places using invariants and state equation in 271 ms returned []
Implicit Place search using SMT with State Equation took 381 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 64/94 places, 356/605 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1660 ms. Remains : 64/94 places, 356/605 transitions.
Stuttering acceptance computed with spot in 90 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(OR p1 p0), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (EQ s9 1) (EQ s12 1)), p0:(AND (EQ s13 1) (EQ s34 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 146 reset in 519 ms.
Stack based approach found an accepted trace after 46 steps with 0 reset with depth 47 and stack size 47 in 1 ms.
FORMULA SimpleLoadBal-PT-10-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-10-LTLFireability-15 finished in 2298 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p1)||p0))))'
Found a Lengthening insensitive property : SimpleLoadBal-PT-10-LTLFireability-06
Stuttering acceptance computed with spot in 150 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 7 out of 94 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 94/94 places, 605/605 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 94 transition count 595
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 84 transition count 595
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 74 transition count 585
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 46 place count 70 transition count 583
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 50 place count 68 transition count 581
Applied a total of 50 rules in 27 ms. Remains 68 /94 variables (removed 26) and now considering 581/605 (removed 24) transitions.
[2023-03-20 14:15:19] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
// Phase 1: matrix 451 rows 68 cols
[2023-03-20 14:15:19] [INFO ] Computed 17 place invariants in 6 ms
[2023-03-20 14:15:19] [INFO ] Implicit Places using invariants in 150 ms returned []
[2023-03-20 14:15:19] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:15:19] [INFO ] Invariant cache hit.
[2023-03-20 14:15:19] [INFO ] State equation strengthened by 210 read => feed constraints.
[2023-03-20 14:15:19] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 632 ms to find 0 implicit places.
[2023-03-20 14:15:19] [INFO ] Flow matrix only has 451 transitions (discarded 130 similar events)
[2023-03-20 14:15:19] [INFO ] Invariant cache hit.
[2023-03-20 14:15:19] [INFO ] Dead Transitions using invariants and state equation in 306 ms found 192 transitions.
Found 192 dead transitions using SMT.
Drop transitions removed 192 transitions
Dead transitions reduction (with SMT) removed 192 transitions
Starting structural reductions in LI_LTL mode, iteration 1 : 68/94 places, 389/605 transitions.
Reduce places removed 2 places and 4 transitions.
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 64 transition count 381
Reduce places removed 2 places and 4 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 62 transition count 377
Reduce places removed 2 places and 24 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 60 transition count 353
Applied a total of 6 rules in 12 ms. Remains 60 /68 variables (removed 8) and now considering 353/389 (removed 36) transitions.
[2023-03-20 14:15:20] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
// Phase 1: matrix 275 rows 60 cols
[2023-03-20 14:15:20] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-20 14:15:20] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-20 14:15:20] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:20] [INFO ] Invariant cache hit.
[2023-03-20 14:15:20] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:20] [INFO ] Implicit Places using invariants and state equation in 214 ms returned []
Implicit Place search using SMT with State Equation took 305 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 60/94 places, 353/605 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 1286 ms. Remains : 60/94 places, 353/605 transitions.
Running random walk in product with property : SimpleLoadBal-PT-10-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}, { cond=(AND p0 p1), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 1}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=2, aps=[p1:(OR (EQ s37 0) (EQ s49 0) (EQ s57 0)), p0:(OR (EQ s15 0) (EQ s45 0) (EQ s46 0) (EQ s55 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 423 ms.
Product exploration explored 100000 steps with 0 reset in 456 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 p1 p0), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 222 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Finished random walk after 2409 steps, including 0 resets, run visited all 4 properties in 39 ms. (steps per millisecond=61 )
Knowledge obtained : [(AND p1 p0), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1)), (F (NOT (AND p1 p0))), (F (AND p1 (NOT p0)))]
Knowledge based reduction with 6 factoid took 296 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 105 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Support contains 7 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 353/353 transitions.
Applied a total of 0 rules in 1 ms. Remains 60 /60 variables (removed 0) and now considering 353/353 (removed 0) transitions.
[2023-03-20 14:15:22] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:22] [INFO ] Invariant cache hit.
[2023-03-20 14:15:22] [INFO ] Implicit Places using invariants in 85 ms returned []
[2023-03-20 14:15:22] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:22] [INFO ] Invariant cache hit.
[2023-03-20 14:15:22] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:22] [INFO ] Implicit Places using invariants and state equation in 230 ms returned []
Implicit Place search using SMT with State Equation took 317 ms to find 0 implicit places.
[2023-03-20 14:15:22] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:22] [INFO ] Invariant cache hit.
[2023-03-20 14:15:22] [INFO ] Dead Transitions using invariants and state equation in 176 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 496 ms. Remains : 60/60 places, 353/353 transitions.
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 p1 p0), (X p0), (X (X p1)), (X (X (AND p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 220 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Finished random walk after 9422 steps, including 2 resets, run visited all 4 properties in 184 ms. (steps per millisecond=51 )
Knowledge obtained : [(AND p1 p0), (X p0), (X (X p1)), (X (X (AND p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p1)), (F (NOT (AND p1 p0))), (F (AND p1 (NOT p0)))]
Knowledge based reduction with 6 factoid took 359 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 135 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 499 ms.
Product exploration explored 100000 steps with 0 reset in 475 ms.
Support contains 7 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 353/353 transitions.
Applied a total of 0 rules in 1 ms. Remains 60 /60 variables (removed 0) and now considering 353/353 (removed 0) transitions.
[2023-03-20 14:15:24] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:24] [INFO ] Invariant cache hit.
[2023-03-20 14:15:25] [INFO ] Implicit Places using invariants in 90 ms returned []
[2023-03-20 14:15:25] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:25] [INFO ] Invariant cache hit.
[2023-03-20 14:15:25] [INFO ] State equation strengthened by 122 read => feed constraints.
[2023-03-20 14:15:25] [INFO ] Implicit Places using invariants and state equation in 219 ms returned []
Implicit Place search using SMT with State Equation took 312 ms to find 0 implicit places.
[2023-03-20 14:15:25] [INFO ] Flow matrix only has 275 transitions (discarded 78 similar events)
[2023-03-20 14:15:25] [INFO ] Invariant cache hit.
[2023-03-20 14:15:25] [INFO ] Dead Transitions using invariants and state equation in 175 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 491 ms. Remains : 60/60 places, 353/353 transitions.
Treatment of property SimpleLoadBal-PT-10-LTLFireability-06 finished in 6785 ms.
[2023-03-20 14:15:25] [INFO ] Flatten gal took : 42 ms
[2023-03-20 14:15:25] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-20 14:15:25] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 94 places, 605 transitions and 4128 arcs took 6 ms.
Total runtime 32388 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1240/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : SimpleLoadBal-PT-10-LTLFireability-06

BK_STOP 1679321726170

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name SimpleLoadBal-PT-10-LTLFireability-06
ltl formula formula --ltl=/tmp/1240/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 94 places, 605 transitions and 4128 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.130 real 0.020 user 0.010 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1240/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1240/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1240/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1240/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): invalid chunk size

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-10"
export BK_EXAMINATION="LTLFireability"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is SimpleLoadBal-PT-10, 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 r425-tajo-167905978300516"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SimpleLoadBal-PT-10.tgz
mv SimpleLoadBal-PT-10 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;