Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r084-tall-174860080400317.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is DoubleExponent-PT-100, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r084-tall-174860080400317
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 9.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K 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 2.4K 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 7.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.8M May 29 14:32 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748737089811

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DoubleExponent-PT-100
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-01 00:18:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-01 00:18:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 00:18:11] [INFO ] Load time of PNML (sax parser for PT used): 225 ms
[2025-06-01 00:18:11] [INFO ] Transformed 5304 places.
[2025-06-01 00:18:11] [INFO ] Transformed 4998 transitions.
[2025-06-01 00:18:11] [INFO ] Parsed PT model containing 5304 places and 4998 transitions and 14094 arcs in 373 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 5304/5304 places, 4998/4998 transitions.
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1200 transitions
Trivial Post-agglo rules discarded 1200 transitions
Performed 1200 trivial Post agglomeration. Transition count delta: 1200
Iterating post reduction 0 with 1204 rules applied. Total rules applied 1204 place count 5300 transition count 3798
Reduce places removed 1200 places and 0 transitions.
Iterating post reduction 1 with 1200 rules applied. Total rules applied 2404 place count 4100 transition count 3798
Performed 200 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 200 Pre rules applied. Total rules applied 2404 place count 4100 transition count 3598
Deduced a syphon composed of 200 places in 246 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 2 with 400 rules applied. Total rules applied 2804 place count 3900 transition count 3598
Performed 904 Post agglomeration using F-continuation condition.Transition count delta: 904
Deduced a syphon composed of 904 places in 80 ms
Reduce places removed 904 places and 0 transitions.
Iterating global reduction 2 with 1808 rules applied. Total rules applied 4612 place count 2996 transition count 2694
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 101 places in 88 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 2 with 202 rules applied. Total rules applied 4814 place count 2895 transition count 2694
Performed 97 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 97 places in 46 ms
Reduce places removed 97 places and 0 transitions.
Iterating global reduction 2 with 194 rules applied. Total rules applied 5008 place count 2798 transition count 2694
Applied a total of 5008 rules in 1061 ms. Remains 2798 /5304 variables (removed 2506) and now considering 2694/4998 (removed 2304) transitions.
// Phase 1: matrix 2694 rows 2798 cols
[2025-06-01 00:18:13] [INFO ] Invariants computation overflowed in 95 ms
[2025-06-01 00:18:14] [INFO ] Implicit Places using invariants in 2012 ms returned []
// Phase 1: matrix 2694 rows 2798 cols
[2025-06-01 00:18:14] [INFO ] Invariants computation overflowed in 60 ms
[2025-06-01 00:18:16] [INFO ] State equation strengthened by 200 read => feed constraints.
[2025-06-01 00:19:12] [INFO ] Performed 2/2798 implicitness test of which 0 returned IMPLICIT in 56 seconds.
[2025-06-01 00:19:45] [INFO ] Performed 4/2798 implicitness test of which 0 returned IMPLICIT in 88 seconds.
[2025-06-01 00:20:29] [INFO ] Performed 5/2798 implicitness test of which 0 returned IMPLICIT in 132 seconds.
[2025-06-01 00:20:29] [INFO ] Timeout of Implicit test with SMT after 132 seconds.
[2025-06-01 00:20:29] [INFO ] Implicit Places using invariants and state equation in 134594 ms returned []
Implicit Place search using SMT with State Equation took 136663 ms to find 0 implicit places.
Running 2693 sub problems to find dead transitions.
// Phase 1: matrix 2694 rows 2798 cols
[2025-06-01 00:20:29] [INFO ] Invariants computation overflowed in 55 ms
[2025-06-01 00:20:29] [INFO ] State equation strengthened by 200 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2797/5492 variables, and 0 constraints, problems are : Problem set: 0 solved, 2693 unsolved in 30063 ms.
Refiners :[State Equation: 0/2798 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 2693/2693 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2693 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
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(s829 1)
(s830 1)
(s831 1)
(s832 1)
(s833 1)
(s834 1)
(s835 1)
(s836 1)
(s837 1)
(s838 1)
(s839 1)
(s840 1)
(s841 1)
(s842 1)
(s843 1)
(s844 1)
(s845 1)
(s846 1)
(s847 1)
(s848 1)
(s849 1)
(s850 1)
(s851 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2797/5492 variables, and 0 constraints, problems are : Problem set: 0 solved, 2693 unsolved in 30050 ms.
Refiners :[State Equation: 0/2798 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/2693 constraints, Known Traps: 0/0 constraints]
After SMT, in 61412ms problems are : Problem set: 0 solved, 2693 unsolved
Search for dead transitions found 0 dead transitions in 61468ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2798/5304 places, 2694/4998 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 199277 ms. Remains : 2798/5304 places, 2694/4998 transitions.
Discarding 598 transitions out of 2694. Remains 2096
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (4897 resets) in 6434 ms. (6 steps per ms) remains 2069/2095 properties
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 71 ms. (1 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 92 ms. (1 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 20 ms. (5 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 33 ms. (3 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (9 resets) in 17 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 30 ms. (4 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 121 steps (8 resets) in 16 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 17 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (9 resets) in 18 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 29 ms. (4 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 2069/2069 properties
Probabilistic random walk after 30001 steps, saw 15005 distinct states, run finished after 3040 ms. (steps per millisecond=9 ) properties seen :23
// Phase 1: matrix 2694 rows 2798 cols
[2025-06-01 00:21:36] [INFO ] Invariants computation overflowed in 45 ms
[2025-06-01 00:21:36] [INFO ] State equation strengthened by 200 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2734/5492 variables, and 0 constraints, problems are : Problem set: 0 solved, 2046 unsolved in 5033 ms.
Refiners :[State Equation: 0/2798 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 2046/2046 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2046 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2734/5492 variables, and 0 constraints, problems are : Problem set: 0 solved, 2046 unsolved in 5037 ms.
Refiners :[State Equation: 0/2798 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/2046 constraints, Known Traps: 0/0 constraints]
After SMT, in 11014ms problems are : Problem set: 0 solved, 2046 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2734 out of 2798 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2798/2798 places, 2694/2694 transitions.
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 5 place count 2798 transition count 2689
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 10 place count 2793 transition count 2689
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 1 with 8 rules applied. Total rules applied 18 place count 2793 transition count 2689
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 2792 transition count 2688
Applied a total of 19 rules in 369 ms. Remains 2792 /2798 variables (removed 6) and now considering 2688/2694 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 369 ms. Remains : 2792/2798 places, 2688/2694 transitions.
RANDOM walk for 855937 steps (109813 resets) in 120004 ms. (7 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (324 resets) in 302 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (358 resets) in 433 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (335 resets) in 302 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (319 resets) in 439 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4004 steps (340 resets) in 415 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (336 resets) in 344 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (318 resets) in 590 ms. (6 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (345 resets) in 451 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (342 resets) in 598 ms. (6 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (345 resets) in 336 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (339 resets) in 329 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (318 resets) in 312 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (345 resets) in 476 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (336 resets) in 459 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (357 resets) in 325 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (325 resets) in 338 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (330 resets) in 443 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (327 resets) in 381 ms. (10 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (329 resets) in 461 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (339 resets) in 301 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (342 resets) in 355 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (327 resets) in 302 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (332 resets) in 458 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (321 resets) in 440 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (335 resets) in 319 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (354 resets) in 464 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (357 resets) in 337 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (337 resets) in 349 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (368 resets) in 565 ms. (7 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (344 resets) in 274 ms. (14 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (344 resets) in 413 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (333 resets) in 295 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (331 resets) in 472 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (354 resets) in 478 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (346 resets) in 320 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4004 steps (328 resets) in 312 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (336 resets) in 322 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (342 resets) in 468 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (342 resets) in 348 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (333 resets) in 319 ms. (12 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (337 resets) in 432 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (336 resets) in 343 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (347 resets) in 454 ms. (8 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (346 resets) in 429 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4002 steps (336 resets) in 344 ms. (11 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (340 resets) in 290 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4001 steps (348 resets) in 440 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4003 steps (349 resets) in 297 ms. (13 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (328 resets) in 403 ms. (9 steps per ms) remains 2046/2046 properties
BEST_FIRST walk for 4000 steps (344 resets) in 461 ms. (8 steps per ms) remains 2046/2046 properties
Probably explored full state space saw : 411679 states, properties seen :7
Probabilistic random walk after 823383 steps, saw 411679 distinct states, run finished after 84311 ms. (steps per millisecond=9 ) properties seen :7
Exhaustive walk after 1000001 steps, saw 500224 distinct states, run finished after 101519 ms. (steps per millisecond=9 ) properties seen :0
// Phase 1: matrix 2688 rows 2792 cols
[2025-06-01 00:25:29] [INFO ] Invariants computation overflowed in 50 ms
[2025-06-01 00:25:29] [INFO ] State equation strengthened by 202 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2725/5480 variables, and 0 constraints, problems are : Problem set: 0 solved, 2039 unsolved in 45033 ms.
Refiners :[State Equation: 0/2792 constraints, ReadFeed: 0/202 constraints, PredecessorRefiner: 2039/2039 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2039 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2725/5480 variables, and 0 constraints, problems are : Problem set: 0 solved, 2039 unsolved in 45034 ms.
Refiners :[State Equation: 0/2792 constraints, ReadFeed: 0/202 constraints, PredecessorRefiner: 0/2039 constraints, Known Traps: 0/0 constraints]
After SMT, in 90772ms problems are : Problem set: 0 solved, 2039 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2725 out of 2792 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2792/2792 places, 2688/2688 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 2792 transition count 2687
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 2791 transition count 2687
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 6 place count 2791 transition count 2687
Applied a total of 6 rules in 215 ms. Remains 2791 /2792 variables (removed 1) and now considering 2687/2688 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 215 ms. Remains : 2791/2792 places, 2687/2688 transitions.
RANDOM walk for 1271075 steps (162954 resets) in 120004 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (337 resets) in 360 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (325 resets) in 431 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (338 resets) in 451 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (324 resets) in 407 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (334 resets) in 357 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (348 resets) in 424 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (325 resets) in 401 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (318 resets) in 412 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (337 resets) in 399 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (352 resets) in 377 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (332 resets) in 376 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (325 resets) in 325 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (323 resets) in 382 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (345 resets) in 399 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (331 resets) in 419 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (333 resets) in 329 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (345 resets) in 535 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (332 resets) in 542 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (344 resets) in 362 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (320 resets) in 361 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (355 resets) in 524 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (351 resets) in 541 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (328 resets) in 490 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (342 resets) in 364 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (348 resets) in 414 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (334 resets) in 375 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (320 resets) in 441 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (344 resets) in 345 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (322 resets) in 334 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (320 resets) in 407 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (338 resets) in 360 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (340 resets) in 338 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (341 resets) in 392 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (344 resets) in 323 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (348 resets) in 577 ms. (6 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (333 resets) in 346 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (318 resets) in 467 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (327 resets) in 305 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (352 resets) in 411 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (348 resets) in 309 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (345 resets) in 449 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (344 resets) in 399 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (340 resets) in 306 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (348 resets) in 438 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (347 resets) in 310 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (314 resets) in 380 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (343 resets) in 299 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (326 resets) in 318 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4004 steps (325 resets) in 286 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (361 resets) in 389 ms. (10 steps per ms) remains 2039/2039 properties
Probably explored full state space saw : 408408 states, properties seen :0
Probabilistic random walk after 816841 steps, saw 408408 distinct states, run finished after 83766 ms. (steps per millisecond=9 ) properties seen :0
Exhaustive walk after 1000000 steps, saw 500367 distinct states, run finished after 100629 ms. (steps per millisecond=9 ) properties seen :0
// Phase 1: matrix 2687 rows 2791 cols
[2025-06-01 00:30:41] [INFO ] Invariants computation overflowed in 72 ms
[2025-06-01 00:30:41] [INFO ] State equation strengthened by 204 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2725 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2039 unsolved
SMT process timed out in 75770ms, After SMT, problems are : Problem set: 0 solved, 2039 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2725 out of 2791 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2791/2791 places, 2687/2687 transitions.
Applied a total of 0 rules in 65 ms. Remains 2791 /2791 variables (removed 0) and now considering 2687/2687 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 2791/2791 places, 2687/2687 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2791/2791 places, 2687/2687 transitions.
Applied a total of 0 rules in 67 ms. Remains 2791 /2791 variables (removed 0) and now considering 2687/2687 (removed 0) transitions.
// Phase 1: matrix 2687 rows 2791 cols
[2025-06-01 00:31:57] [INFO ] Invariants computation overflowed in 49 ms
[2025-06-01 00:31:58] [INFO ] Implicit Places using invariants in 402 ms returned []
// Phase 1: matrix 2687 rows 2791 cols
[2025-06-01 00:31:58] [INFO ] Invariants computation overflowed in 46 ms
[2025-06-01 00:31:59] [INFO ] State equation strengthened by 204 read => feed constraints.
[2025-06-01 00:32:06] [INFO ] Implicit Places using invariants and state equation in 8177 ms returned [1521, 2224, 2692, 2762]
[2025-06-01 00:32:06] [INFO ] Actually due to overlaps returned [2224, 1521]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 8591 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 2789/2791 places, 2687/2687 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 2789 transition count 2686
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 2788 transition count 2686
Applied a total of 2 rules in 142 ms. Remains 2788 /2789 variables (removed 1) and now considering 2686/2687 (removed 1) transitions.
// Phase 1: matrix 2686 rows 2788 cols
[2025-06-01 00:32:06] [INFO ] Invariants computation overflowed in 50 ms
[2025-06-01 00:32:06] [INFO ] Implicit Places using invariants in 450 ms returned []
// Phase 1: matrix 2686 rows 2788 cols
[2025-06-01 00:32:06] [INFO ] Invariants computation overflowed in 43 ms
[2025-06-01 00:32:08] [INFO ] State equation strengthened by 204 read => feed constraints.
[2025-06-01 00:32:16] [INFO ] Implicit Places using invariants and state equation in 9836 ms returned [2689, 2759]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 10297 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 2786/2791 places, 2686/2687 transitions.
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 2786 transition count 2685
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 2785 transition count 2685
Applied a total of 2 rules in 137 ms. Remains 2785 /2786 variables (removed 1) and now considering 2685/2686 (removed 1) transitions.
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:32:16] [INFO ] Invariants computation overflowed in 47 ms
[2025-06-01 00:32:17] [INFO ] Implicit Places using invariants in 406 ms returned []
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:32:17] [INFO ] Invariants computation overflowed in 51 ms
[2025-06-01 00:32:18] [INFO ] State equation strengthened by 204 read => feed constraints.
[2025-06-01 00:32:26] [INFO ] Implicit Places using invariants and state equation in 9514 ms returned []
Implicit Place search using SMT with State Equation took 9923 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 2785/2791 places, 2685/2687 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 29159 ms. Remains : 2785/2791 places, 2685/2687 transitions.
RANDOM walk for 884097 steps (127204 resets) in 120004 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (375 resets) in 556 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (350 resets) in 425 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (362 resets) in 450 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (370 resets) in 432 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (362 resets) in 436 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (370 resets) in 425 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (359 resets) in 289 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (370 resets) in 289 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (370 resets) in 359 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (370 resets) in 443 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (351 resets) in 289 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (367 resets) in 553 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (378 resets) in 461 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (373 resets) in 286 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (357 resets) in 337 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (359 resets) in 426 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (365 resets) in 314 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (365 resets) in 388 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (372 resets) in 428 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (357 resets) in 283 ms. (14 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (355 resets) in 324 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (358 resets) in 307 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (385 resets) in 448 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (372 resets) in 425 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (359 resets) in 340 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (377 resets) in 391 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (379 resets) in 354 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (353 resets) in 293 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (375 resets) in 406 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (356 resets) in 328 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (364 resets) in 434 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (381 resets) in 430 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (366 resets) in 285 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (367 resets) in 383 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (380 resets) in 431 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (370 resets) in 435 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (363 resets) in 299 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (375 resets) in 298 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (360 resets) in 361 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (366 resets) in 350 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (363 resets) in 316 ms. (12 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (354 resets) in 509 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (350 resets) in 434 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (350 resets) in 350 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (359 resets) in 435 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4004 steps (363 resets) in 363 ms. (11 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (375 resets) in 297 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (346 resets) in 304 ms. (13 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (364 resets) in 428 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (358 resets) in 449 ms. (8 steps per ms) remains 2039/2039 properties
Probabilistic random walk after 1000000 steps, saw 500222 distinct states, run finished after 104993 ms. (steps per millisecond=9 ) properties seen :0
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:34:47] [INFO ] Invariants computation overflowed in 41 ms
[2025-06-01 00:34:47] [INFO ] State equation strengthened by 204 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s657 1.0)
(s658 1.0)
(s659 1.0)
(s660 1.0)
(s661 1.0)
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(s663 1.0)
(s664 1.0)
(s665 1.0)
(s666 1.0)
(s667 1.0)
(s668 1.0)
(s669 1.0)
(s670 1.0)
(s671 1.0)
(s672 1.0)
(s673 1.0)
(s674 1.0)
(s675 1.0)
(s676 1.0)
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(s683 1.0)
(s684 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2725 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2039 unsolved
SMT process timed out in 90766ms, After SMT, problems are : Problem set: 0 solved, 2039 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2725 out of 2785 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2785/2785 places, 2685/2685 transitions.
Applied a total of 0 rules in 71 ms. Remains 2785 /2785 variables (removed 0) and now considering 2685/2685 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 2785/2785 places, 2685/2685 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2785/2785 places, 2685/2685 transitions.
Applied a total of 0 rules in 65 ms. Remains 2785 /2785 variables (removed 0) and now considering 2685/2685 (removed 0) transitions.
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:36:18] [INFO ] Invariants computation overflowed in 50 ms
[2025-06-01 00:36:19] [INFO ] Implicit Places using invariants in 397 ms returned []
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:36:19] [INFO ] Invariants computation overflowed in 50 ms
[2025-06-01 00:36:20] [INFO ] State equation strengthened by 204 read => feed constraints.
[2025-06-01 00:36:28] [INFO ] Implicit Places using invariants and state equation in 9613 ms returned []
Implicit Place search using SMT with State Equation took 10019 ms to find 0 implicit places.
[2025-06-01 00:36:29] [INFO ] Redundant transitions in 171 ms returned []
Running 2684 sub problems to find dead transitions.
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:36:29] [INFO ] Invariants computation overflowed in 51 ms
[2025-06-01 00:36:29] [INFO ] State equation strengthened by 204 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2784/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2684 unsolved in 30044 ms.
Refiners :[State Equation: 0/2785 constraints, ReadFeed: 0/204 constraints, PredecessorRefiner: 2684/2684 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2684 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s1727 timeout
1) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2784/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2684 unsolved in 30061 ms.
Refiners :[State Equation: 0/2785 constraints, ReadFeed: 0/204 constraints, PredecessorRefiner: 0/2684 constraints, Known Traps: 0/0 constraints]
After SMT, in 61076ms problems are : Problem set: 0 solved, 2684 unsolved
Search for dead transitions found 0 dead transitions in 61097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71371 ms. Remains : 2785/2785 places, 2685/2685 transitions.
RANDOM walk for 400000 steps (57710 resets) in 37213 ms. (10 steps per ms) remains 2723/2725 properties
Running SMT prover for 2723 properties.
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:37:40] [INFO ] Invariants computation overflowed in 51 ms
[2025-06-01 00:41:01] [INFO ] After 197511ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2603
[2025-06-01 00:41:01] [INFO ] State equation strengthened by 204 read => feed constraints.
SMT process timed out, exceeded limit of 100
[2025-06-01 00:41:01] [INFO ] After 0ms SMT Verify possible using After timeout in real domain returned unsat :0 sat :2603
[2025-06-01 00:41:01] [INFO ] After 200078ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :2603
RANDOM walk for 974819 steps (140746 resets) in 120021 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (342 resets) in 426 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (374 resets) in 464 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (386 resets) in 435 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (370 resets) in 584 ms. (6 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (366 resets) in 488 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (345 resets) in 584 ms. (6 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (340 resets) in 472 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (383 resets) in 455 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (357 resets) in 434 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (351 resets) in 569 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (379 resets) in 417 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (373 resets) in 425 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (377 resets) in 569 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (359 resets) in 558 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (355 resets) in 481 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (353 resets) in 513 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (380 resets) in 420 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4004 steps (378 resets) in 515 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (372 resets) in 447 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (355 resets) in 565 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (358 resets) in 469 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (361 resets) in 538 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (361 resets) in 478 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (383 resets) in 483 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (361 resets) in 556 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (353 resets) in 419 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (400 resets) in 451 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (372 resets) in 447 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (360 resets) in 477 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (371 resets) in 417 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (374 resets) in 527 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (360 resets) in 524 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (355 resets) in 467 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (347 resets) in 508 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (354 resets) in 370 ms. (10 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (350 resets) in 509 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (364 resets) in 453 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (365 resets) in 460 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (377 resets) in 605 ms. (6 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (364 resets) in 612 ms. (6 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (365 resets) in 448 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (354 resets) in 431 ms. (9 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (377 resets) in 510 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4003 steps (386 resets) in 495 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (362 resets) in 523 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (378 resets) in 449 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4001 steps (379 resets) in 527 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (368 resets) in 481 ms. (8 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4002 steps (360 resets) in 511 ms. (7 steps per ms) remains 2039/2039 properties
BEST_FIRST walk for 4000 steps (357 resets) in 388 ms. (10 steps per ms) remains 2039/2039 properties
Interrupted probabilistic random walk after 930047 steps, run timeout after 111001 ms. (steps per millisecond=8 ) properties seen :0 out of 2039
Probabilistic random walk after 930047 steps, saw 465229 distinct states, run finished after 111012 ms. (steps per millisecond=8 ) properties seen :0
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:43:29] [INFO ] Invariants computation overflowed in 48 ms
[2025-06-01 00:43:29] [INFO ] State equation strengthened by 204 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2725 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2039 unsolved
SMT process timed out in 105712ms, After SMT, problems are : Problem set: 0 solved, 2039 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2725 out of 2785 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2785/2785 places, 2685/2685 transitions.
Applied a total of 0 rules in 59 ms. Remains 2785 /2785 variables (removed 0) and now considering 2685/2685 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 2785/2785 places, 2685/2685 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2785/2785 places, 2685/2685 transitions.
Applied a total of 0 rules in 60 ms. Remains 2785 /2785 variables (removed 0) and now considering 2685/2685 (removed 0) transitions.
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:45:15] [INFO ] Invariants computation overflowed in 45 ms
[2025-06-01 00:45:15] [INFO ] Implicit Places using invariants in 407 ms returned []
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:45:15] [INFO ] Invariants computation overflowed in 40 ms
[2025-06-01 00:45:17] [INFO ] State equation strengthened by 204 read => feed constraints.
[2025-06-01 00:45:24] [INFO ] Implicit Places using invariants and state equation in 8784 ms returned []
Implicit Place search using SMT with State Equation took 9203 ms to find 0 implicit places.
[2025-06-01 00:45:24] [INFO ] Redundant transitions in 139 ms returned []
Running 2684 sub problems to find dead transitions.
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:45:24] [INFO ] Invariants computation overflowed in 58 ms
[2025-06-01 00:45:24] [INFO ] State equation strengthened by 204 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2784/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2684 unsolved in 30041 ms.
Refiners :[State Equation: 0/2785 constraints, ReadFeed: 0/204 constraints, PredecessorRefiner: 2684/2684 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2684 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2784/5470 variables, and 0 constraints, problems are : Problem set: 0 solved, 2684 unsolved in 30052 ms.
Refiners :[State Equation: 0/2785 constraints, ReadFeed: 0/204 constraints, PredecessorRefiner: 0/2684 constraints, Known Traps: 0/0 constraints]
After SMT, in 60966ms problems are : Problem set: 0 solved, 2684 unsolved
Search for dead transitions found 0 dead transitions in 60985ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70423 ms. Remains : 2785/2785 places, 2685/2685 transitions.
RANDOM walk for 400000 steps (57843 resets) in 35094 ms. (11 steps per ms) remains 2723/2725 properties
Running SMT prover for 2723 properties.
// Phase 1: matrix 2685 rows 2785 cols
[2025-06-01 00:46:35] [INFO ] Invariants computation overflowed in 50 ms

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="DoubleExponent-PT-100"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is DoubleExponent-PT-100, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r084-tall-174860080400317"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleExponent-PT-100.tgz
mv DoubleExponent-PT-100 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;