Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994500499.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 LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994500499
=====================================================================

--------------------
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-LTLCardinality-00
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-01
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-02
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-03
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-04
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-05
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-06
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-07
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-08
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-09
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-10
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-11
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-12
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-13
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-14
FORMULA_NAME SimpleLoadBal-PT-02-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1749202531916

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
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
LTLCardinality PT
Running Version 202505121319
[2025-06-06 09:35:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 09:35:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 09:35:33] [INFO ] Load time of PNML (sax parser for PT used): 45 ms
[2025-06-06 09:35:33] [INFO ] Transformed 32 places.
[2025-06-06 09:35:33] [INFO ] Transformed 45 transitions.
[2025-06-06 09:35:33] [INFO ] Found NUPN structural information;
[2025-06-06 09:35:33] [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 09:35:33] [INFO ] Parsed PT model containing 32 places and 45 transitions and 252 arcs in 130 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-02-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-02-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SimpleLoadBal-PT-02-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 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 09:35:33] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 32 cols
[2025-06-06 09:35:33] [INFO ] Computed 13 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:33] [INFO ] Implicit Places using invariants in 158 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 : 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 211 ms. Remains : 30/32 places, 45/45 transitions.
Support contains 24 out of 30 places after structural reductions.
[2025-06-06 09:35:33] [INFO ] Flatten gal took : 19 ms
[2025-06-06 09:35:33] [INFO ] Flatten gal took : 8 ms
[2025-06-06 09:35:33] [INFO ] Input system was already deterministic with 45 transitions.
Reduction of identical properties reduced properties to check from 22 to 21
RANDOM walk for 920 steps (0 resets) in 71 ms. (12 steps per ms) remains 0/21 properties
FORMULA SimpleLoadBal-PT-02-LTLCardinality-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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' '!(X((p0&&F(G(p1)))))'
Support contains 3 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 09:35:34] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 30 cols
[2025-06-06 09:35:34] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:34] [INFO ] Implicit Places using invariants in 55 ms returned [2, 3]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 57 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 60 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 285 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-02
Product exploration explored 100000 steps with 0 reset in 266 ms.
Stack based approach found an accepted trace after 47 steps with 0 reset with depth 48 and stack size 48 in 6 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-02 finished in 674 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(!p0)) U (G((!p0&&X(!p0)))||(!p0&&X(!p0)&&G(!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 09:35:34] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:35:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:34] [INFO ] Implicit Places using invariants in 44 ms returned [2, 3]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 45 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 47 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 204 ms :[true, p0, p1, (AND p1 p0), p0, p0]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-03 finished in 270 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((p0&&G(p1)))))'
Support contains 3 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 09:35:35] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:35:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:35] [INFO ] Implicit Places using invariants in 51 ms returned [2, 3]
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 164 ms :[true, (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-04
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-04 finished in 232 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(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 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 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 8 place count 26 transition count 41
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 14 place count 22 transition count 39
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 18 place count 20 transition count 37
Applied a total of 18 rules in 32 ms. Remains 20 /30 variables (removed 10) and now considering 37/45 (removed 8) transitions.
[2025-06-06 09:35:35] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2025-06-06 09:35:35] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:35] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-06 09:35:35] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2025-06-06 09:35:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-06 09:35:37] [INFO ] Implicit Places using invariants and state equation in 2460 ms returned []
Implicit Place search using SMT with State Equation took 2506 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 09:35:37] [INFO ] Redundant transitions in 1 ms returned []
Running 35 sub problems to find dead transitions.
[2025-06-06 09:35:37] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2025-06-06 09:35:37] [INFO ] Invariant cache hit.
[2025-06-06 09:35:37] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 35 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:38] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 7 ms to minimize.
Problem TDEAD20 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 1/26 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 2/20 variables, 2/28 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/30 constraints. Problems are: Problem set: 1 solved, 34 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:38] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:38] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:38] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:38] [INFO ] Deduced a trap composed of 5 places in 29 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 4/34 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/20 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 9 (OVERLAPS) 27/47 variables, 20/54 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/47 variables, 10/64 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/47 variables, 0/64 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 12 (OVERLAPS) 0/47 variables, 0/64 constraints. Problems are: Problem set: 1 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Real declared 47/47 variables, and 64 constraints, problems are : Problem set: 1 solved, 34 unsolved in 1047 ms.
Refiners :[Domain max(s): 20/20 constraints, Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 35/35 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 34 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 18/18 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 3/21 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 4/25 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 3/28 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 2/20 variables, 2/30 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/32 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 2/34 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/20 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 9 (OVERLAPS) 27/47 variables, 20/54 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/47 variables, 10/64 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/47 variables, 34/98 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/47 variables, 0/98 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 13 (OVERLAPS) 0/47 variables, 0/98 constraints. Problems are: Problem set: 1 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Int declared 47/47 variables, and 98 constraints, problems are : Problem set: 1 solved, 34 unsolved in 759 ms.
Refiners :[Domain max(s): 20/20 constraints, Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 34/35 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1852ms problems are : Problem set: 1 solved, 34 unsolved
Search for dead transitions found 1 dead transitions in 1862ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 20/30 places, 36/45 transitions.
Applied a total of 0 rules in 4 ms. Remains 20 /20 variables (removed 0) and now considering 36/36 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 09:35:39] [INFO ] Redundant transitions in 1 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 4423 ms. Remains : 20/30 places, 36/45 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-05
Product exploration explored 100000 steps with 14951 reset in 139 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-05 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-05 finished in 4613 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(F(p0)))&&(p1 U X(p1))))'
Support contains 3 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 09:35:39] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 30 cols
[2025-06-06 09:35:39] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:39] [INFO ] Implicit Places using invariants in 39 ms returned [2, 3]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 41 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 42 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 190 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-06 finished in 254 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(G(((X(p0)||G(p1)) U X(X(X(!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 09:35:40] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:35:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:40] [INFO ] Implicit Places using invariants in 35 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 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 1 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 39 ms. Remains : 29/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 746 ms :[p2, p2, (AND (NOT p0) p2), p2, (AND p2 (NOT p1) (NOT p0)), p2, p2, true, (AND (NOT p0) p2), p2, (AND (NOT p1) (NOT p0) p2), (AND p2 (NOT p1)), p2, (AND (NOT p0) p2), p2, (AND (NOT p1) (NOT p0) p2), (AND p2 (NOT p1)), (AND (NOT p1) p2), (NOT p1)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 158 steps with 36 reset in 1 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-07 finished in 814 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((X(F((p1||X(X(p2)))))&&p0))))'
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 09:35:40] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:35:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:40] [INFO ] Implicit Places using invariants in 32 ms returned [2, 3]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 34 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 35 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 188 ms :[(AND (NOT p1) (NOT p2)), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-08
Product exploration explored 100000 steps with 1227 reset in 163 ms.
Stack based approach found an accepted trace after 17 steps with 0 reset with depth 18 and stack size 18 in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-08 finished in 402 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((X(X(F(p0)))&&G((p1||G(p2))))))'
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 09:35:41] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:41] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-06 09:35:41] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:35:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:41] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-06 09:35:41] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Running 43 sub problems to find dead transitions.
[2025-06-06 09:35:41] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
[2025-06-06 09:35:41] [INFO ] Invariant cache hit.
[2025-06-06 09:35:41] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:41] [INFO ] Deduced a trap composed of 7 places in 18 ms of which 2 ms to minimize.
Problem TDEAD36 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/28 variables, 1/36 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 5 (OVERLAPS) 2/30 variables, 4/40 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 2/42 constraints. Problems are: Problem set: 1 solved, 42 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:41] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 1/43 constraints. Problems are: Problem set: 1 solved, 42 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:41] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:41] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/30 variables, 2/45 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/30 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 10 (OVERLAPS) 35/65 variables, 30/75 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/65 variables, 10/85 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/65 variables, 0/85 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 13 (OVERLAPS) 0/65 variables, 0/85 constraints. Problems are: Problem set: 1 solved, 42 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 85 constraints, problems are : Problem set: 1 solved, 42 unsolved in 1008 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: 43/43 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 42 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 28/28 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 3/31 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 4/35 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/28 variables, 2/37 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 5 (OVERLAPS) 2/30 variables, 4/41 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 2/43 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 2/45 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/30 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 9 (OVERLAPS) 35/65 variables, 30/75 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/65 variables, 10/85 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/65 variables, 42/127 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/65 variables, 0/127 constraints. Problems are: Problem set: 1 solved, 42 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:43] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 2 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/65 variables, 1/128 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/65 variables, 0/128 constraints. Problems are: Problem set: 1 solved, 42 unsolved
At refinement iteration 15 (OVERLAPS) 0/65 variables, 0/128 constraints. Problems are: Problem set: 1 solved, 42 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 128 constraints, problems are : Problem set: 1 solved, 42 unsolved in 1468 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: 42/43 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2493ms problems are : Problem set: 1 solved, 42 unsolved
Search for dead transitions found 1 dead transitions in 2494ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in LTL mode, iteration 1 : 30/30 places, 44/45 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 44/44 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2591 ms. Remains : 30/30 places, 44/45 transitions.
Stuttering acceptance computed with spot in 338 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-11
Product exploration explored 100000 steps with 6389 reset in 140 ms.
Stack based approach found an accepted trace after 126 steps with 8 reset with depth 38 and stack size 38 in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-11 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-11 finished in 3097 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 1 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 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 8 place count 26 transition count 41
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 14 place count 22 transition count 39
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 18 place count 20 transition count 37
Applied a total of 18 rules in 8 ms. Remains 20 /30 variables (removed 10) and now considering 37/45 (removed 8) transitions.
[2025-06-06 09:35:44] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
// Phase 1: matrix 27 rows 20 cols
[2025-06-06 09:35:44] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:44] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-06 09:35:44] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2025-06-06 09:35:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-06 09:35:44] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 09:35:44] [INFO ] Redundant transitions in 0 ms returned []
Running 35 sub problems to find dead transitions.
[2025-06-06 09:35:44] [INFO ] Flow matrix only has 27 transitions (discarded 10 similar events)
[2025-06-06 09:35:44] [INFO ] Invariant cache hit.
[2025-06-06 09:35:44] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 35 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:44] [INFO ] Deduced a trap composed of 7 places in 25 ms of which 2 ms to minimize.
Problem TDEAD20 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 1/26 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/26 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 2/20 variables, 2/28 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/30 constraints. Problems are: Problem set: 1 solved, 34 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:44] [INFO ] Deduced a trap composed of 8 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:44] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:44] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-06 09:35:44] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 4/34 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/20 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 9 (OVERLAPS) 27/47 variables, 20/54 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/47 variables, 10/64 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/47 variables, 0/64 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 12 (OVERLAPS) 0/47 variables, 0/64 constraints. Problems are: Problem set: 1 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Real declared 47/47 variables, and 64 constraints, problems are : Problem set: 1 solved, 34 unsolved in 798 ms.
Refiners :[Domain max(s): 20/20 constraints, Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 35/35 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 34 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 18/18 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 3/21 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 4/25 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 3/28 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 2/20 variables, 2/30 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 2/32 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 2/34 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/20 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 9 (OVERLAPS) 27/47 variables, 20/54 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/47 variables, 10/64 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/47 variables, 34/98 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/47 variables, 0/98 constraints. Problems are: Problem set: 1 solved, 34 unsolved
At refinement iteration 13 (OVERLAPS) 0/47 variables, 0/98 constraints. Problems are: Problem set: 1 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Int declared 47/47 variables, and 98 constraints, problems are : Problem set: 1 solved, 34 unsolved in 657 ms.
Refiners :[Domain max(s): 20/20 constraints, Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 20/20 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 34/35 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1473ms problems are : Problem set: 1 solved, 34 unsolved
Search for dead transitions found 1 dead transitions in 1474ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 20/30 places, 36/45 transitions.
Applied a total of 0 rules in 6 ms. Remains 20 /20 variables (removed 0) and now considering 36/36 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 09:35:46] [INFO ] Redundant transitions in 0 ms returned []
Finished structural reductions in SI_LTL mode , in 2 iterations and 1583 ms. Remains : 20/30 places, 36/45 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 107 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 19 in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-12 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-12 finished in 1744 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(G(p0)))'
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 1 ms. Remains 30 /30 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-06 09:35:46] [INFO ] Flow matrix only has 35 transitions (discarded 10 similar events)
// Phase 1: matrix 35 rows 30 cols
[2025-06-06 09:35:46] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:46] [INFO ] Implicit Places using invariants in 37 ms returned [2, 3]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 38 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 39 ms. Remains : 28/30 places, 45/45 transitions.
Stuttering acceptance computed with spot in 78 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 19 steps with 0 reset in 0 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-14 finished in 132 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 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 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 8 place count 26 transition count 41
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 11 place count 24 transition count 40
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 13 place count 23 transition count 39
Applied a total of 13 rules in 9 ms. Remains 23 /30 variables (removed 7) and now considering 39/45 (removed 6) transitions.
[2025-06-06 09:35:46] [INFO ] Flow matrix only has 29 transitions (discarded 10 similar events)
// Phase 1: matrix 29 rows 23 cols
[2025-06-06 09:35:46] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 09:35:46] [INFO ] Implicit Places using invariants in 35 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/30 places, 39/45 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 39/39 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46 ms. Remains : 22/30 places, 39/45 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SimpleLoadBal-PT-02-LTLCardinality-15
Product exploration explored 100000 steps with 5608 reset in 129 ms.
Stack based approach found an accepted trace after 831 steps with 46 reset with depth 49 and stack size 34 in 1 ms.
FORMULA SimpleLoadBal-PT-02-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property SimpleLoadBal-PT-02-LTLCardinality-15 finished in 281 ms.
All properties solved by simple procedures.
Total runtime 13549 ms.

BK_STOP 1749202546671

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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="LTLCardinality"
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 LTLCardinality"
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-174901994500499"
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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;