Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r176-smll-177961111900119.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is JoinFreeModules-PT-0100, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r176-smll-177961111900119
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 7.0K Mar 7 15:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 7 15:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 7 15:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 7 15:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Mar 7 15:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 7 15:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 7 15:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 15:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 304K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1779753481544

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=JoinFreeModules-PT-0100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-25 23:58:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 23:58:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 23:58:04] [INFO ] Load time of PNML (sax parser for PT used): 268 ms
[2026-05-25 23:58:04] [INFO ] Transformed 501 places.
[2026-05-25 23:58:04] [INFO ] Transformed 801 transitions.
[2026-05-25 23:58:04] [INFO ] Parsed PT model containing 501 places and 801 transitions and 2302 arcs in 492 ms.
Discarding 400 transitions out of 801. Remains 401
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 14 ms.9467KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 500/500 places, 801/801 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 157 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
Running 600 sub problems to find dead transitions.
// Phase 1: matrix 801 rows 500 cols
[2026-05-25 23:58:05] [INFO ] Computed 100 invariants in 44 ms
[2026-05-25 23:58:05] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
SMT process timed out in 20618ms, After SMT, problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 20663ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 20913 ms. Remains : 500/500 places, 801/801 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 500/500 places, 801/801 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 58 ms. Remains 500 /500 variables (removed 0) and now considering 801/801 (removed 0) transitions.
[2026-05-25 23:58:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 23:58:26] [INFO ] Implicit Places using invariants in 227 ms returned []
[2026-05-25 23:58:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 23:58:26] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-25 23:58:26] [INFO ] Implicit Places using invariants and state equation in 701 ms returned []
Implicit Place search using SMT with State Equation took 936 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 23:58:26] [INFO ] Redundant transitions in 67 ms returned []
Running 600 sub problems to find dead transitions.
[2026-05-25 23:58:26] [INFO ] Invariant cache hit.
[2026-05-25 23:58:26] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (OVERLAPS) 100/500 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 500/1301 variables, and 100 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, State Equation: 0/500 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (OVERLAPS) 100/500 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 92)
(s1 2)
(s2 0)
(s3 4)
(s4 5)
(s5 5)
(s6 2)
(s7 0)
(s8 91)
(s9 5)
(s10 5)
(s11 2)
(s12 0)
(s13 91)
(s14 5)
(s15 5)
(s16 2)
(s17 87)
(s18 4)
(s19 5)
(s20 5)
(s21 2)
(s22 0)
(s23 4)
(s24 92)
(s25 5)
(s26 2)
(s27 0)
(s28 4)
(s29 92)
(s30 5)
(s31 2)
(s32 0)
(s33 4)
(s34 92)
(s35 5)
(s36 2)
(s37 0)
(s38 91)
(s39 5)
(s40 5)
(s41 89)
(s42 0)
(s43 4)
(s44 5)
(s45 92)
(s46 2)
(s47 0)
(s48 4)
(s49 5)
(s50 5)
(s51 89)
(s52 0)
(s53 4)
(s54 5)
(s55 5)
(s56 2)
(s57 87)
(s58 4)
(s59 5)
(s60 5)
(s61 2)
(s62 0)
(s63 4)
(s64 92)
(s65 5)
(s66 2)
(s67 0)
(s68 4)
(s69 92)
(s70 92)
(s71 2)
(s72 0)
(s73 4)
(s74 5)
(s75 92)
(s76 2)
(s77 0)
(s78 4)
(s79 5)
(s80 92)
(s81 2)
(s82 0)
(s83 4)
(s84 5)
(s85 5)
(s86 2)
(s87 0)
(s88 4)
(s89 92)
(s90 92)
(s91 2)
(s92 0)
(s93 4)
(s94 5)
(s95 92)
(s96 2)
(s97 0)
(s98 4)
(s99 5)
(s100 5)
(s101 2)
(s102 0)
(s103 4)
(s104 92)
(s105 92)
(s106 2)
(s107 0)
(s108 4)
(s109 5)
(s110 92)
(s111 2)
(s112 0)
(s113 4)
(s114 5)
(s115 5)
(s116 2)
(s117 87)
(s118 4)
(s119 5)
(s120 5)
(s121 2)
(s122 87)
(s123 4)
(s124 5)
(s125 5)
(s126 2)
(s127 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 500/1301 variables, and 100 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, State Equation: 0/500 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60239ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60245ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 61326 ms. Remains : 500/500 places, 801/801 transitions.
Random walk for 1250025 steps, including 0 resets, run took 14170 ms (no deadlock found). (steps per millisecond=88 )
Interrupted Random directed walk after 1080684 steps, including 0 resets, run timeout after 30004 ms. (steps per millisecond=36 )
[2026-05-26 00:00:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-26 00:00:11] [INFO ] [Real]Absence check using 100 positive place invariants in 14 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 501/501 places, 801/801 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 500 transition count 801
Applied a total of 1 rules in 23 ms. Remains 500 /501 variables (removed 1) and now considering 801/801 (removed 0) transitions.
Running 600 sub problems to find dead transitions.
[2026-05-26 00:00:11] [INFO ] Invariant cache hit.
[2026-05-26 00:00:11] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
SMT process timed out in 20164ms, After SMT, problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 20169ms
[2026-05-26 00:00:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 00:00:32] [INFO ] Implicit Places using invariants in 230 ms returned []
[2026-05-26 00:00:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 00:00:32] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-26 00:00:32] [INFO ] Implicit Places using invariants and state equation in 686 ms returned []
Implicit Place search using SMT with State Equation took 920 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2026-05-26 00:00:32] [INFO ] Invariant cache hit.
[2026-05-26 00:00:32] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (OVERLAPS) 100/500 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
(s1 2.0)
(s2 0.0)
(s3 4.0)
(s4 92.0)
(s5 5.0)
(s6 2.0)
(s7 0.0)
(s8 4.0)
(s9 92.0)
(s10 92.0)
(s11 2.0)
(s12 0.0)
(s13 4.0)
(s14 5.0)
(s15 5.0)
(s16 2.0)
(s17 0.0)
(s18 4.0)
(s19 92.0)
(s20 5.0)
(s21 2.0)
(s22 0.0)
(s23 91.0)
(s24 5.0)
(s25 5.0)
(s26 2.0)
(s27 0.0)
(s28 4.0)
(s29 92.0)
(s30 5.0)
(s31 2.0)
(s32 87.0)
(s33 4.0)
(s34 5.0)
(s35 92.0)
(s36 2.0)
(s37 0.0)
(s38 4.0)
(s39 5.0)
(s40 5.0)
(s41 89.0)
(s42 0.0)
(s43 4.0)
(s44 5.0)
(s45 5.0)
(s46 2.0)
(s47 87.0)
(s48 4.0)
(s49 5.0)
(s50 5.0)
(s51 2.0)
(s52 87.0)
(s53 4.0)
(s54 5.0)
(s55 5.0)
(s56 2.0)
(s57 0.0)
(s58 91.0)
(s59 5.0)
(s60 5.0)
(s61 89.0)
(s62 0.0)
(s63 4.0)
(s64 5.0)
(s65 5.0)
(s66 2.0)
(s67 0.0)
(s68 4.0)
(s69 92.0)
(s70 5.0)
(s71 2.0)
(s72 0.0)
(s73 4.0)
(s74 92.0)
(s75 92.0)
(s76 2.0)
(s77 0.0)
(s78 4.0)
(s79 5.0)
(s80 92.0)
(s81 2.0)
(s82 0.0)
(s83 4.0)
(s84 5.0)
(s85 5.0)
(s86 2.0)
(s87 0.0)
(s88 4.0)
(s89 92.0)
(s90 5.0)
(s91 2.0)
(s92 0.0)
(s93 91.0)
(s94 5.0)
(s95 5.0)
(s96 2.0)
(s97 87.0)
(s98 4.0)
(s99 5.0)
(s100 92.0)
(s101 2.0)
(s102 0.0)
(s103 4.0)
(s104 5.0)
(s105 5.0)
(s106 89.0)
(s107 0.0)
(s108 4.0)
(s109 5.0)
(s110 92.0)
(s111 2.0)
(s112 0.0)
(s113 4.0)
(s114 5.0)
(s115 5.0)
(s116 2.0)
(s117 0.0)
(s118 91.0)
(s119 5.0)
(s120 5.0)
(s121 2.0)
(s122 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 500/1301 variables, and 100 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, State Equation: 0/500 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (OVERLAPS) 100/500 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 500/1301 variables, and 100 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, State Equation: 0/500 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60163ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60167ms
Starting structural reductions in LIVENESS mode, iteration 1 : 500/501 places, 801/801 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 81284 ms. Remains : 500/501 places, 801/801 transitions.
Discarding 400 transitions out of 801. Remains 401
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40029 steps (8 resets) in 1269 ms. (31 steps per ms) remains 65/400 properties
BEST_FIRST walk for 4004 steps (8 resets) in 72 ms. (54 steps per ms) remains 64/65 properties
BEST_FIRST walk for 4004 steps (8 resets) in 93 ms. (42 steps per ms) remains 63/64 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 81 ms. (48 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 103 ms. (38 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 91 ms. (43 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 63/63 properties
[2026-05-26 00:01:33] [INFO ] Flatten gal took : 209 ms
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 58 ms. (67 steps per ms) remains 61/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 61/61 properties
[2026-05-26 00:01:33] [INFO ] Flatten gal took : 97 ms
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 80 ms. (49 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 72 ms. (54 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 61/61 properties
[2026-05-26 00:01:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13546254128637657046.gal : 104 ms
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 61/61 properties
[2026-05-26 00:01:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality95961357521325872.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13546254128637657046.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality95961357521325872.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 61/61 properties

BEST_FIRST walk for 4004 steps (8 resets) in 69 ms. (57 steps per ms) remains 61/61 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 60/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 80 ms. (49 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 60/60 properties
Loading property file /tmp/ReachabilityCardinality95961357521325872.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 60/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 59/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 102 ms. (38 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 58/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 58/58 properties
[2026-05-26 00:01:34] [INFO ] Invariant cache hit.
[2026-05-26 00:01:34] [INFO ] State equation strengthened by 100 read => feed constraints.
SDD proceeding with computation,61 properties remain. new max is 4
SDD size :1 after 8
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,61 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,61 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,61 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,61 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,61 properties remain. new max is 128
SDD size :851 after 2815
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 177/235 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:35] [INFO ] Deduced a trap composed of 3 places in 77 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:35] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:35] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:35] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:35] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:35] [INFO ] Deduced a trap composed of 3 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:35] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:35] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:36] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:36] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:36] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:36] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:36] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:36] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,61 properties remain. new max is 256
SDD size :2815 after 5105
[2026-05-26 00:01:36] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 2 ms to minimize.
SDD proceeding with computation,61 properties remain. new max is 512
SDD size :5105 after 608293
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 15/62 constraints. Problems are: Problem set: 0 solved, 58 unsolved
SDD proceeding with computation,61 properties remain. new max is 1024
SDD size :608293 after 1.71184e+06
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 376/611 variables, 235/297 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/611 variables, 47/344 constraints. Problems are: Problem set: 0 solved, 58 unsolved
SDD proceeding with computation,61 properties remain. new max is 2048
SDD size :1.71184e+06 after 3.13478e+12
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/611 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (OVERLAPS) 0/611 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 611/1301 variables, and 344 constraints, problems are : Problem set: 0 solved, 58 unsolved in 4323 ms.
Refiners :[Positive P Invariants (semi-flows): 47/100 constraints, State Equation: 235/500 constraints, ReadFeed: 47/100 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 177/235 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 15/62 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:39] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:39] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:39] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:39] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:39] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:39] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:39] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/235 variables, 7/69 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (OVERLAPS) 376/611 variables, 235/304 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/611 variables, 47/351 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/611 variables, 58/409 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:41] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:41] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
Reachability property qltransition_17 is true.
SDD proceeding with computation,60 properties remain. new max is 2048
SDD size :3.13478e+12 after 3.4008e+19
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:01:41] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/611 variables, 3/412 constraints. Problems are: Problem set: 1 solved, 57 unsolved
SDD proceeding with computation,60 properties remain. new max is 4096
SDD size :3.4008e+19 after 3.06255e+26
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 611/1301 variables, and 412 constraints, problems are : Problem set: 1 solved, 57 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 47/100 constraints, State Equation: 235/500 constraints, ReadFeed: 47/100 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9354ms problems are : Problem set: 1 solved, 57 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 57 out of 500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 500/500 places, 801/801 transitions.
Graph (complete) has 1200 edges and 500 vertex of which 230 are kept as prefixes of interest. Removing 270 places using SCC suffix rule.2 ms
Discarding 270 places :
Also discarding 432 output transitions
Drop transitions (Output transitions of discarded places.) removed 432 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 230 transition count 368
Applied a total of 2 rules in 32 ms. Remains 230 /500 variables (removed 270) and now considering 368/801 (removed 433) transitions.
Running 276 sub problems to find dead transitions.
// Phase 1: matrix 368 rows 230 cols
[2026-05-26 00:01:44] [INFO ] Computed 46 invariants in 3 ms
[2026-05-26 00:01:44] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 1 (OVERLAPS) 46/230 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Reachability property qltransition_49 is true.
Reachability property qltransition_33 is true.
SDD proceeding with computation,58 properties remain. new max is 4096
SDD size :3.06255e+26 after 2.40475e+46
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 3 (OVERLAPS) 368/598 variables, 230/276 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/598 variables, 46/322 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Reachability property qltransition_73 is true.
SDD proceeding with computation,57 properties remain. new max is 4096
SDD size :2.40475e+46 after 1.17106e+64
At refinement iteration 5 (INCLUDED_ONLY) 0/598 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Reachability property qltransition_89 is true.
SDD proceeding with computation,56 properties remain. new max is 4096
SDD size :1.17106e+64 after 1.18003e+80
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 598/598 variables, and 322 constraints, problems are : Problem set: 0 solved, 276 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 46/46 constraints, State Equation: 230/230 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 276 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 1 (OVERLAPS) 46/230 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Reachability property qltransition_105 is true.
Reachability property qltransition_97 is true.
SDD proceeding with computation,54 properties remain. new max is 4096
SDD size :1.18003e+80 after 5.74337e+99
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 3 (OVERLAPS) 368/598 variables, 230/276 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/598 variables, 46/322 constraints. Problems are: Problem set: 0 solved, 276 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/598 variables, 276/598 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:02:14] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:02:14] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:02:14] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:02:14] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 4 ms to minimize.
Reachability property qltransition_129 is true.
SDD proceeding with computation,53 properties remain. new max is 4096
SDD size :5.74337e+99 after 5.60463e+113
Reachability property qltransition_153 is true.
Reachability property qltransition_137 is true.
SDD proceeding with computation,51 properties remain. new max is 4096
SDD size :5.60463e+113 after 4.40334e+133
At refinement iteration 6 (INCLUDED_ONLY) 0/598 variables, 4/602 constraints. Problems are: Problem set: 0 solved, 276 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:02:23] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-26 00:02:23] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 598/598 variables, and 604 constraints, problems are : Problem set: 0 solved, 276 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 46/46 constraints, State Equation: 230/230 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 276/276 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40072ms problems are : Problem set: 0 solved, 276 unsolved
Search for dead transitions found 0 dead transitions in 40073ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40106 ms. Remains : 230/500 places, 368/801 transitions.
RANDOM walk for 72803 steps (0 resets) in 556 ms. (130 steps per ms) remains 0/48 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 401 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 501/501 places, 801/801 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 500 transition count 801
Applied a total of 1 rules in 11 ms. Remains 500 /501 variables (removed 1) and now considering 801/801 (removed 0) transitions.
Running 600 sub problems to find dead transitions.
// Phase 1: matrix 801 rows 500 cols
[2026-05-26 00:02:24] [INFO ] Computed 100 invariants in 18 ms
[2026-05-26 00:02:24] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
SMT process timed out in 20112ms, After SMT, problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 20113ms
[2026-05-26 00:02:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 00:02:44] [INFO ] Implicit Places using invariants in 220 ms returned []
[2026-05-26 00:02:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-26 00:02:45] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-26 00:02:45] [INFO ] Implicit Places using invariants and state equation in 720 ms returned []
Implicit Place search using SMT with State Equation took 943 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2026-05-26 00:02:45] [INFO ] Invariant cache hit.
[2026-05-26 00:02:45] [INFO ] State equation strengthened by 100 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (OVERLAPS) 100/500 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 600 unsolved
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(s324 timeout
5.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 500/1301 variables, and 100 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, State Equation: 0/500 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/400 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (OVERLAPS) 100/500 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 92)
(s1 2)
(s2 0)
(s3 4)
(s4 5)
(s5 5)
(s6 2)
(s7 0)
(s8 91)
(s9 5)
(s10 5)
(s11 2)
(s12 0)
(s13 91)
(s14 5)
(s15 5)
(s16 2)
(s17 87)
(s18 4)
(s19 5)
(s20 5)
(s21 2)
(s22 0)
(s23 4)
(s24 92)
(s25 5)
(s26 2)
(s27 0)
(s28 4)
(s29 92)
(s30 5)
(s31 2)
(s32 0)
(s33 4)
(s34 92)
(s35 5)
(s36 2)
(s37 0)
(s38 91)
(s39 5)
(s40 5)
(s41 89)
(s42 0)
(s43 4)
(s44 5)
(s45 92)
(s46 2)
(s47 0)
(s48 4)
(s49 5)
(s50 5)
(s51 89)
(s52 0)
(s53 4)
(s54 5)
(s55 5)
(s56 2)
(s57 87)
(s58 4)
(s59 5)
(s60 5)
(s61 2)
(s62 0)
(s63 4)
(s64 92)
(s65 5)
(s66 2)
(s67 0)
(s68 4)
(s69 92)
(s70 92)
(s71 2)
(s72 0)
(s73 4)
(s74 5)
(s75 92)
(s76 2)
(s77 0)
(s78 4)
(s79 5)
(s80 92)
(s81 2)
(s82 0)
(s83 4)
(s84 5)
(s85 5)
(s86 2)
(s87 0)
(s88 4)
(s89 92)
(s90 92)
(s91 2)
(s92 0)
(s93 4)
(s94 5)
(s95 92)
(s96 2)
(s97 0)
(s98 4)
(s99 5)
(s100 5)
(s101 2)
(s102 0)
(s103 4)
(s104 92)
(s105 92)
(s106 2)
(s107 0)
(s108 4)
(s109 5)
(s110 92)
(s111 2)
(s112 0)
(s113 4)
(s114 5)
(s115 5)
(s116 2)
(s117 87)
(s118 4)
(s119 5)
(s120 5)
(s121 2)
(s122 87)
(s123 4)
(s124 5)
(s125 5)
(s126 2)
(s127 0)
(s128 91)
(s129 5)
(s130 5)
(s131 89)
(s132 0)
(s133 4)
(s134 5)
(s135 92)
(s136 2)
(s137 0)
(s138 4)
(s139 5)
(s140 5)
(s141 2)
(s142 0)
(s143 4)
(s144 92)
(s145 5)
(s146 2)
(s147 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 500/1301 variables, and 100 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, State Equation: 0/500 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 0/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60164ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60166ms
Starting structural reductions in LIVENESS mode, iteration 1 : 500/501 places, 801/801 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 81237 ms. Remains : 500/501 places, 801/801 transitions.
Discarding 400 transitions out of 801. Remains 401
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
[2026-05-26 00:03:45] [INFO ] Flatten gal took : 86 ms
[2026-05-26 00:03:45] [INFO ] Flatten gal took : 82 ms
[2026-05-26 00:03:45] [INFO ] Time to serialize gal into /tmp/CTLFireability10147161626896788784.gal : 15 ms
[2026-05-26 00:03:46] [INFO ] Time to serialize properties into /tmp/CTLFireability14772711448087180888.ctl : 12 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10147161626896788784.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14772711448087180888.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-26 00:03:49] [INFO ] Flatten gal took : 39 ms
[2026-05-26 00:03:49] [INFO ] Applying decomposition
[2026-05-26 00:03:49] [INFO ] Flatten gal took : 39 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17571298602539859205.txt' '-o' '/tmp/graph17571298602539859205.bin' '-w' '/tmp/graph17571298602539859205.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17571298602539859205.bin' '-l' '-1' '-v' '-w' '/tmp/graph17571298602539859205.weights' '-q' '0' '-e' '0.001'
[2026-05-26 00:03:49] [INFO ] Decomposing Gal with order
[2026-05-26 00:03:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 00:03:49] [INFO ] Flatten gal took : 148 ms
[2026-05-26 00:03:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 17 ms.
[2026-05-26 00:03:49] [INFO ] Time to serialize gal into /tmp/CTLFireability17936145153674271049.gal : 17 ms
[2026-05-26 00:03:49] [INFO ] Time to serialize properties into /tmp/CTLFireability1396983445781733637.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17936145153674271049.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1396983445781733637.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-26 00:03:52] [INFO ] Flatten gal took : 54 ms
[2026-05-26 00:03:52] [INFO ] Flatten gal took : 46 ms
[2026-05-26 00:03:52] [INFO ] Time to serialize gal into /tmp/CTLFireability570582355799994405.gal : 9 ms
[2026-05-26 00:03:52] [INFO ] Time to serialize properties into /tmp/CTLFireability17131170826135883951.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability570582355799994405.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17131170826135883951.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2026-05-26 00:04:23] [INFO ] Flatten gal took : 27 ms
[2026-05-26 00:04:23] [INFO ] Applying decomposition
[2026-05-26 00:04:23] [INFO ] Flatten gal took : 25 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph11777861543535721963.txt' '-o' '/tmp/graph11777861543535721963.bin' '-w' '/tmp/graph11777861543535721963.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11777861543535721963.bin' '-l' '-1' '-v' '-w' '/tmp/graph11777861543535721963.weights' '-q' '0' '-e' '0.001'
[2026-05-26 00:04:23] [INFO ] Decomposing Gal with order
[2026-05-26 00:04:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 00:04:23] [INFO ] Flatten gal took : 30 ms
[2026-05-26 00:04:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 6 ms.
[2026-05-26 00:04:23] [INFO ] Time to serialize gal into /tmp/CTLFireability2556854453324103386.gal : 6 ms
[2026-05-26 00:04:23] [INFO ] Time to serialize properties into /tmp/CTLFireability12758572695126112510.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2556854453324103386.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12758572695126112510.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.77306e+671,2.82755,38000,102,719,504,114133,343,103,75,138032,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==100)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1.p8==100))&&((u2.p11==2)&&(u2.p12==1))))&&((((u2.p1...5226
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==100)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1....5286
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....5044
Detected timeout of ITS tools.
[2026-05-26 00:04:53] [INFO ] Flatten gal took : 20 ms
[2026-05-26 00:04:53] [INFO ] Flatten gal took : 20 ms
[2026-05-26 00:04:53] [INFO ] Time to serialize gal into /tmp/CTLFireability8865980984025139003.gal : 4 ms
[2026-05-26 00:04:53] [INFO ] Time to serialize properties into /tmp/CTLFireability5619936853711701406.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8865980984025139003.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5619936853711701406.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.77306e+671,285.408,2309492,2,71901,5,9.29094e+06,6,0,4304,1.02081e+07,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((((p1==2)&&(p2==1))&&((p3==100)&&(p6==2)))&&(((p7==1)&&(p8==100))&&((p11==2)&&(p12==1))))&&((((p13==100)&&(p16==2))&&((p17==...4056
Detected timeout of ITS tools.
=> equivalent forward existential formu
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-26 00:09:53] [INFO ] Flatten gal took : 21 ms
[2026-05-26 00:09:53] [INFO ] Applying decomposition
[2026-05-26 00:09:53] [INFO ] Flatten gal took : 20 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15973567852653254898.txt' '-o' '/tmp/graph15973567852653254898.bin' '-w' '/tmp/graph15973567852653254898.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15973567852653254898.bin' '-l' '-1' '-v' '-w' '/tmp/graph15973567852653254898.weights' '-q' '0' '-e' '0.001'
[2026-05-26 00:09:53] [INFO ] Decomposing Gal with order
[2026-05-26 00:09:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 00:09:53] [INFO ] Flatten gal took : 29 ms
[2026-05-26 00:09:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2026-05-26 00:09:53] [INFO ] Time to serialize gal into /tmp/CTLFireability14648889599776695556.gal : 5 ms
[2026-05-26 00:09:53] [INFO ] Time to serialize properties into /tmp/CTLFireability2831941197209325132.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14648889599776695556.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2831941197209325132.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.77306e+671,2.77959,38004,102,719,504,114133,343,103,75,138032,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==100)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1.p8==100))&&((u2.p11==2)&&(u2.p12==1))))&&((((u2.p1...5226
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((((u0.p1==2)&&(u0.p2==1))&&((u0.p3==100)&&(u1.p6==2)))&&(((u1.p7==1)&&(u1....5286
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....5044
Detected timeout of ITS tools.
[2026-05-26 00:14:54] [INFO ] Flatten gal took : 33 ms
[2026-05-26 00:14:54] [INFO ] Flatten gal took : 32 ms
[2026-05-26 00:14:54] [INFO ] Time to serialize gal into /tmp/CTLFireability16706056870129979178.gal : 7 ms
[2026-05-26 00:14:54] [INFO ] Time to serialize properties into /tmp/CTLFireability4869911411732793500.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16706056870129979178.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4869911411732793500.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.77306e+671,283.72,2308884,2,71901,5,9.29094e+06,6,0,4304,1.02081e+07,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((((p1==2)&&(p2==1))&&((p3==100)&&(p6==2)))&&(((p7==1)&&(p8==100))&&((p11==2)&&(p12==1))))&&((((p13==100)&&(p16==2))&&((p17==...4056

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="JoinFreeModules-PT-0100"
export BK_EXAMINATION="Liveness"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is JoinFreeModules-PT-0100, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r176-smll-177961111900119"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0100.tgz
mv JoinFreeModules-PT-0100 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "Liveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;