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.r210-tall-174894547900592.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 ShieldPPPt-PT-100B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-tall-174894547900592
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.3M
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K 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 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 1.9M May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1749031147226

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldPPPt-PT-100B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-04 09:59:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-04 09:59:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 09:59:08] [INFO ] Load time of PNML (sax parser for PT used): 311 ms
[2025-06-04 09:59:08] [INFO ] Transformed 7803 places.
[2025-06-04 09:59:09] [INFO ] Transformed 7103 transitions.
[2025-06-04 09:59:09] [INFO ] Found NUPN structural information;
[2025-06-04 09:59:09] [INFO ] Parsed PT model containing 7803 places and 7103 transitions and 17806 arcs in 757 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 7803/7803 places, 7103/7103 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1903 transitions
Trivial Post-agglo rules discarded 1903 transitions
Performed 1903 trivial Post agglomeration. Transition count delta: 1903
Iterating post reduction 0 with 1903 rules applied. Total rules applied 1903 place count 7803 transition count 5200
Reduce places removed 1903 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 1905 rules applied. Total rules applied 3808 place count 5900 transition count 5198
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 3809 place count 5899 transition count 5198
Performed 400 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 400 Pre rules applied. Total rules applied 3809 place count 5899 transition count 4798
Deduced a syphon composed of 400 places in 72 ms
Reduce places removed 400 places and 0 transitions.
Iterating global reduction 3 with 800 rules applied. Total rules applied 4609 place count 5499 transition count 4798
Performed 2699 Post agglomeration using F-continuation condition.Transition count delta: 2699
Deduced a syphon composed of 2699 places in 18 ms
Reduce places removed 2699 places and 0 transitions.
Iterating global reduction 3 with 5398 rules applied. Total rules applied 10007 place count 2800 transition count 2099
Renaming transitions due to excessive name length > 1024 char.
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 101 places in 15 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 3 with 202 rules applied. Total rules applied 10209 place count 2699 transition count 2099
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 101 places in 16 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 3 with 202 rules applied. Total rules applied 10411 place count 2598 transition count 2099
Performed 97 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 97 places in 16 ms
Reduce places removed 97 places and 0 transitions.
Iterating global reduction 3 with 194 rules applied. Total rules applied 10605 place count 2501 transition count 2099
Applied a total of 10605 rules in 999 ms. Remains 2501 /7803 variables (removed 5302) and now considering 2099/7103 (removed 5004) transitions.
// Phase 1: matrix 2099 rows 2501 cols
[2025-06-04 09:59:10] [INFO ] Computed 1101 invariants in 30 ms
[2025-06-04 09:59:12] [INFO ] Implicit Places using invariants in 1930 ms returned [2494]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1960 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 2500/7803 places, 2099/7103 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 2500 transition count 2097
Deduced a syphon composed of 2 places in 7 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 2498 transition count 2097
Applied a total of 4 rules in 35 ms. Remains 2498 /2500 variables (removed 2) and now considering 2097/2099 (removed 2) transitions.
// Phase 1: matrix 2097 rows 2498 cols
[2025-06-04 09:59:12] [INFO ] Computed 1100 invariants in 18 ms
[2025-06-04 09:59:13] [INFO ] Implicit Places using invariants in 1684 ms returned [2481, 2485]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1687 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 2496/7803 places, 2097/7103 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 2494 transition count 2095
Applied a total of 4 rules in 38 ms. Remains 2494 /2496 variables (removed 2) and now considering 2095/2097 (removed 2) transitions.
// Phase 1: matrix 2095 rows 2494 cols
[2025-06-04 09:59:13] [INFO ] Computed 1098 invariants in 13 ms
[2025-06-04 09:59:15] [INFO ] Implicit Places using invariants in 1714 ms returned []
[2025-06-04 09:59:15] [INFO ] Invariant cache hit.
[2025-06-04 09:59:16] [INFO ] State equation strengthened by 698 read => feed constraints.
[2025-06-04 09:59:47] [INFO ] Performed 2332/2494 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-04 09:59:49] [INFO ] Implicit Places using invariants and state equation in 33684 ms returned []
Implicit Place search using SMT with State Equation took 35400 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 2494/7803 places, 2095/7103 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 40136 ms. Remains : 2494/7803 places, 2095/7103 transitions.
Discarding 698 transitions out of 2095. Remains 1397
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 8047 ms. (4 steps per ms) remains 1211/1396 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 38 ms. (3 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 48 ms. (2 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 27 ms. (4 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 22 ms. (5 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1211/1211 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1211/1211 properties
[2025-06-04 09:59:51] [INFO ] Invariant cache hit.
[2025-06-04 09:59:51] [INFO ] State equation strengthened by 698 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2167 variables, 2167/2167 constraints. Problems are: Problem set: 0 solved, 1211 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2167/4589 variables, and 2167 constraints, problems are : Problem set: 0 solved, 1211 unsolved in 5057 ms.
Refiners :[Domain max(s): 2167/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 1211/1211 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1211 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2167 variables, 2167/2167 constraints. Problems are: Problem set: 0 solved, 1211 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2167/4589 variables, and 2167 constraints, problems are : Problem set: 0 solved, 1211 unsolved in 5022 ms.
Refiners :[Domain max(s): 2167/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 0/1211 constraints, Known Traps: 0/0 constraints]
After SMT, in 11002ms problems are : Problem set: 0 solved, 1211 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2167 out of 2494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 2095/2095 transitions.
Partial Free-agglomeration rule applied 37 times.
Drop transitions (Partial Free agglomeration) removed 37 transitions
Iterating global reduction 0 with 37 rules applied. Total rules applied 37 place count 2494 transition count 2095
Applied a total of 37 rules in 133 ms. Remains 2494 /2494 variables (removed 0) and now considering 2095/2095 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 2494/2494 places, 2095/2095 transitions.
RANDOM walk for 954568 steps (0 resets) in 120004 ms. (7 steps per ms) remains 1085/1211 properties
BEST_FIRST walk for 4004 steps (8 resets) in 128 ms. (31 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 113 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 117 ms. (33 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 114 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 119 ms. (33 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 119 ms. (33 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 114 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 111 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 108 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4002 steps (8 resets) in 113 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 116 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 116 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 113 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4002 steps (8 resets) in 111 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 135 ms. (29 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 116 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 113 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 119 ms. (33 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 114 ms. (34 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 113 ms. (35 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4003 steps (8 resets) in 117 ms. (33 steps per ms) remains 1085/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 1085/1085 properties
// Phase 1: matrix 2095 rows 2494 cols
[2025-06-04 10:00:34] [INFO ] Computed 1098 invariants in 11 ms
[2025-06-04 10:00:34] [INFO ] State equation strengthened by 698 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1941 variables, 1941/1941 constraints. Problems are: Problem set: 0 solved, 1085 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 Real declared 1941/4589 variables, and 1941 constraints, problems are : Problem set: 0 solved, 1085 unsolved in 45025 ms.
Refiners :[Domain max(s): 1941/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 1085/1085 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1085 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1941 variables, 1941/1941 constraints. Problems are: Problem set: 0 solved, 1085 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1941 variables, 0/1941 constraints. Problems are: Problem set: 0 solved, 1085 unsolved
At refinement iteration 2 (OVERLAPS) 7/1948 variables, 857/2798 constraints. Problems are: Problem set: 0 solved, 1085 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1948 variables, 7/2805 constraints. Problems are: Problem set: 0 solved, 1085 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1948/4589 variables, and 2805 constraints, problems are : Problem set: 0 solved, 1085 unsolved in 45029 ms.
Refiners :[Domain max(s): 1948/2494 constraints, Positive P Invariants (semi-flows): 857/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 0/1085 constraints, Known Traps: 0/0 constraints]
After SMT, in 90846ms problems are : Problem set: 0 solved, 1085 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1941 out of 2494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 2095/2095 transitions.
Partial Free-agglomeration rule applied 27 times.
Drop transitions (Partial Free agglomeration) removed 27 transitions
Iterating global reduction 0 with 27 rules applied. Total rules applied 27 place count 2494 transition count 2095
Applied a total of 27 rules in 100 ms. Remains 2494 /2494 variables (removed 0) and now considering 2095/2095 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100 ms. Remains : 2494/2494 places, 2095/2095 transitions.
RANDOM walk for 1035030 steps (0 resets) in 120004 ms. (8 steps per ms) remains 1045/1085 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 109 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 112 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 121 ms. (32 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 118 ms. (33 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 144 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 143 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 125 ms. (31 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 155 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 160 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 167 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 172 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 184 ms. (21 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 143 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 182 ms. (21 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 164 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 184 ms. (21 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 159 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 164 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 169 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 167 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 163 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 169 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 156 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 179 ms. (22 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 155 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4001 steps (8 resets) in 122 ms. (32 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 143 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 149 ms. (26 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 123 ms. (32 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 163 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 171 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 119 ms. (33 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 145 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 165 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 129 ms. (30 steps per ms) remains 1045/1045 properties
Probabilistic random walk after 1000001 steps, saw 842167 distinct states, run finished after 93578 ms. (steps per millisecond=10 ) properties seen :0
// Phase 1: matrix 2095 rows 2494 cols
[2025-06-04 10:04:11] [INFO ] Computed 1098 invariants in 11 ms
[2025-06-04 10:04:11] [INFO ] State equation strengthened by 698 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1869 variables, 1869/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1869 variables, 0/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 2 (OVERLAPS) 6/1875 variables, 825/2694 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1875 variables, 6/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1875/4589 variables, and 2700 constraints, problems are : Problem set: 0 solved, 1045 unsolved in 75031 ms.
Refiners :[Domain max(s): 1875/2494 constraints, Positive P Invariants (semi-flows): 825/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 1045/1045 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1045 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1869 variables, 1869/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1869 variables, 0/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 2 (OVERLAPS) 6/1875 variables, 825/2694 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1875 variables, 6/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1875 variables, 0/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 5 (OVERLAPS) 619/2494 variables, 273/2973 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2494 variables, 619/3592 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2494/4589 variables, and 3592 constraints, problems are : Problem set: 0 solved, 1045 unsolved in 75022 ms.
Refiners :[Domain max(s): 2494/2494 constraints, Positive P Invariants (semi-flows): 1098/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 0/1045 constraints, Known Traps: 0/0 constraints]
After SMT, in 150623ms problems are : Problem set: 0 solved, 1045 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1869 out of 2494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 2095/2095 transitions.
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 9 place count 2494 transition count 2095
Applied a total of 9 rules in 85 ms. Remains 2494 /2494 variables (removed 0) and now considering 2095/2095 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 2494/2494 places, 2095/2095 transitions.
RANDOM walk for 1048469 steps (0 resets) in 120004 ms. (8 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 116 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 112 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 109 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 112 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 106 ms. (37 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 115 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 118 ms. (33 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 109 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 114 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 112 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 111 ms. (35 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 115 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 116 ms. (34 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 108 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 110 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 117 ms. (33 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 139 ms. (28 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 124 ms. (32 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 130 ms. (30 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 128 ms. (31 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 128 ms. (31 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 130 ms. (30 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 110 ms. (36 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 135 ms. (29 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 132 ms. (30 steps per ms) remains 1045/1045 properties
Probabilistic random walk after 1000001 steps, saw 842167 distinct states, run finished after 92030 ms. (steps per millisecond=10 ) properties seen :0
// Phase 1: matrix 2095 rows 2494 cols
[2025-06-04 10:08:45] [INFO ] Computed 1098 invariants in 11 ms
[2025-06-04 10:08:45] [INFO ] State equation strengthened by 698 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1869 variables, 1869/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1869 variables, 0/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 2 (OVERLAPS) 6/1875 variables, 825/2694 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1875 variables, 6/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1875/4589 variables, and 2700 constraints, problems are : Problem set: 0 solved, 1045 unsolved in 90019 ms.
Refiners :[Domain max(s): 1875/2494 constraints, Positive P Invariants (semi-flows): 825/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 1045/1045 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1045 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1869 variables, 1869/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1869 variables, 0/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 2 (OVERLAPS) 6/1875 variables, 825/2694 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1875 variables, 6/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1875 variables, 0/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 5 (OVERLAPS) 619/2494 variables, 273/2973 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2494 variables, 619/3592 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2494/4589 variables, and 3592 constraints, problems are : Problem set: 0 solved, 1045 unsolved in 90023 ms.
Refiners :[Domain max(s): 2494/2494 constraints, Positive P Invariants (semi-flows): 1098/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 0/1045 constraints, Known Traps: 0/0 constraints]
After SMT, in 180595ms problems are : Problem set: 0 solved, 1045 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1869 out of 2494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 2095/2095 transitions.
Applied a total of 0 rules in 36 ms. Remains 2494 /2494 variables (removed 0) and now considering 2095/2095 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 2494/2494 places, 2095/2095 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 2095/2095 transitions.
Applied a total of 0 rules in 32 ms. Remains 2494 /2494 variables (removed 0) and now considering 2095/2095 (removed 0) transitions.
[2025-06-04 10:11:46] [INFO ] Invariant cache hit.
[2025-06-04 10:11:47] [INFO ] Implicit Places using invariants in 860 ms returned []
[2025-06-04 10:11:47] [INFO ] Invariant cache hit.
[2025-06-04 10:11:48] [INFO ] State equation strengthened by 698 read => feed constraints.
[2025-06-04 10:11:54] [INFO ] Implicit Places using invariants and state equation in 7821 ms returned []
Implicit Place search using SMT with State Equation took 8682 ms to find 0 implicit places.
[2025-06-04 10:11:55] [INFO ] Redundant transitions in 119 ms returned []
Running 2094 sub problems to find dead transitions.
[2025-06-04 10:11:55] [INFO ] Invariant cache hit.
[2025-06-04 10:11:55] [INFO ] State equation strengthened by 698 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2493 variables, 2493/2493 constraints. Problems are: Problem set: 0 solved, 2094 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2493/4589 variables, and 2493 constraints, problems are : Problem set: 0 solved, 2094 unsolved in 30031 ms.
Refiners :[Domain max(s): 2493/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 2094/2094 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2094 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2493 variables, 2493/2493 constraints. Problems are: Problem set: 0 solved, 2094 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2493/4589 variables, and 2493 constraints, problems are : Problem set: 0 solved, 2094 unsolved in 30028 ms.
Refiners :[Domain max(s): 2493/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 0/2094 constraints, Known Traps: 0/0 constraints]
After SMT, in 61288ms problems are : Problem set: 0 solved, 2094 unsolved
Search for dead transitions found 0 dead transitions in 61307ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70164 ms. Remains : 2494/2494 places, 2095/2095 transitions.
RANDOM walk for 400000 steps (8 resets) in 43825 ms. (9 steps per ms) remains 1269/1869 properties
Running SMT prover for 1269 properties.
[2025-06-04 10:13:07] [INFO ] Invariant cache hit.
[2025-06-04 10:13:08] [INFO ] [Real]Absence check using 1098 positive place invariants in 171 ms returned sat
[2025-06-04 10:13:11] [INFO ] After 2787ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1269
[2025-06-04 10:13:11] [INFO ] State equation strengthened by 698 read => feed constraints.
[2025-06-04 10:13:27] [INFO ] After 15834ms SMT Verify possible using 698 Read/Feed constraints in real domain returned unsat :0 sat :1269
TRAPS : Iteration 0
0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
[2025-06-04 10:16:27] [INFO ] After 195873ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :87 real:1182
[2025-06-04 10:16:27] [INFO ] After 200046ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :87 real:1182
[2025-06-04 10:16:28] [INFO ] [Nat]Absence check using 1098 positive place invariants in 181 ms returned sat
[2025-06-04 10:16:36] [INFO ] After 7107ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1269
[2025-06-04 10:17:24] [INFO ] After 48043ms SMT Verify possible using 698 Read/Feed constraints in natural domain returned unsat :0 sat :1269
TRAPS : Iteration 0
[2025-06-04 10:18:36] [INFO ] Deduced a trap composed of 7 places in 162 ms of which 19 ms to minimize.
[2025-06-04 10:18:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 333 ms
TRAPS : Iteration 1
[2025-06-04 10:19:47] [INFO ] After 191570ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1268 real:1
[2025-06-04 10:19:47] [INFO ] After 200042ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1268 real:1
RANDOM walk for 1071513 steps (1 resets) in 120004 ms. (8 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 135 ms. (29 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 164 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 172 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 140 ms. (28 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4001 steps (8 resets) in 142 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 155 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 156 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 160 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 172 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 169 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 163 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 167 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 195 ms. (20 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 172 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 156 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 169 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 180 ms. (22 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 177 ms. (22 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 166 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 163 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 158 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 154 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 173 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 156 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 146 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 162 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 152 ms. (26 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 155 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 162 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4002 steps (8 resets) in 142 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 168 ms. (23 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 158 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 158 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 155 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 156 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 159 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 138 ms. (28 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 164 ms. (24 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 152 ms. (26 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 152 ms. (26 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 158 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4004 steps (8 resets) in 131 ms. (30 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 156 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 159 ms. (25 steps per ms) remains 1045/1045 properties
BEST_FIRST walk for 4003 steps (8 resets) in 144 ms. (27 steps per ms) remains 1045/1045 properties
Interrupted probabilistic random walk after 930221 steps, run timeout after 96001 ms. (steps per millisecond=9 ) properties seen :0 out of 1045
Probabilistic random walk after 930221 steps, saw 782677 distinct states, run finished after 96016 ms. (steps per millisecond=9 ) properties seen :0
[2025-06-04 10:21:55] [INFO ] Invariant cache hit.
[2025-06-04 10:21:55] [INFO ] State equation strengthened by 698 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1869 variables, 1869/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1869 variables, 0/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 2 (OVERLAPS) 6/1875 variables, 825/2694 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1875 variables, 6/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1875/4589 variables, and 2700 constraints, problems are : Problem set: 0 solved, 1045 unsolved in 105029 ms.
Refiners :[Domain max(s): 1875/2494 constraints, Positive P Invariants (semi-flows): 825/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 1045/1045 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1045 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1869 variables, 1869/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1869 variables, 0/1869 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 2 (OVERLAPS) 6/1875 variables, 825/2694 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1875 variables, 6/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1875 variables, 0/2700 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 5 (OVERLAPS) 619/2494 variables, 273/2973 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2494 variables, 619/3592 constraints. Problems are: Problem set: 0 solved, 1045 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2494/4589 variables, and 3592 constraints, problems are : Problem set: 0 solved, 1045 unsolved in 105019 ms.
Refiners :[Domain max(s): 2494/2494 constraints, Positive P Invariants (semi-flows): 1098/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 0/1045 constraints, Known Traps: 0/0 constraints]
After SMT, in 210525ms problems are : Problem set: 0 solved, 1045 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1869 out of 2494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 2095/2095 transitions.
Applied a total of 0 rules in 32 ms. Remains 2494 /2494 variables (removed 0) and now considering 2095/2095 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 2494/2494 places, 2095/2095 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2494/2494 places, 2095/2095 transitions.
Applied a total of 0 rules in 42 ms. Remains 2494 /2494 variables (removed 0) and now considering 2095/2095 (removed 0) transitions.
[2025-06-04 10:25:26] [INFO ] Invariant cache hit.
[2025-06-04 10:25:27] [INFO ] Implicit Places using invariants in 845 ms returned []
[2025-06-04 10:25:27] [INFO ] Invariant cache hit.
[2025-06-04 10:25:28] [INFO ] State equation strengthened by 698 read => feed constraints.
[2025-06-04 10:25:34] [INFO ] Implicit Places using invariants and state equation in 7473 ms returned []
Implicit Place search using SMT with State Equation took 8323 ms to find 0 implicit places.
[2025-06-04 10:25:34] [INFO ] Redundant transitions in 85 ms returned []
Running 2094 sub problems to find dead transitions.
[2025-06-04 10:25:35] [INFO ] Invariant cache hit.
[2025-06-04 10:25:35] [INFO ] State equation strengthened by 698 read => feed constraints.
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) 0/2493 variables, 2493/2493 constraints. Problems are: Problem set: 0 solved, 2094 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2493/4589 variables, and 2493 constraints, problems are : Problem set: 0 solved, 2094 unsolved in 30038 ms.
Refiners :[Domain max(s): 2493/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 2094/2094 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2094 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2493 variables, 2493/2493 constraints. Problems are: Problem set: 0 solved, 2094 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2493/4589 variables, and 2493 constraints, problems are : Problem set: 0 solved, 2094 unsolved in 30036 ms.
Refiners :[Domain max(s): 2493/2494 constraints, Positive P Invariants (semi-flows): 0/1098 constraints, State Equation: 0/2494 constraints, ReadFeed: 0/698 constraints, PredecessorRefiner: 0/2094 constraints, Known Traps: 0/0 constraints]
After SMT, in 61250ms problems are : Problem set: 0 solved, 2094 unsolved
Search for dead transitions found 0 dead transitions in 61267ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69731 ms. Remains : 2494/2494 places, 2095/2095 transitions.
RANDOM walk for 400000 steps (8 resets) in 44161 ms. (9 steps per ms) remains 1267/1869 properties
Running SMT prover for 1267 properties.
[2025-06-04 10:26:47] [INFO ] Invariant cache hit.
[2025-06-04 10:26:48] [INFO ] [Real]Absence check using 1098 positive place invariants in 173 ms returned sat
[2025-06-04 10:26:51] [INFO ] After 2755ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1267
[2025-06-04 10:26:51] [INFO ] State equation strengthened by 698 read => feed constraints.
[2025-06-04 10:27:08] [INFO ] After 16283ms SMT Verify possible using 698 Read/Feed constraints in real domain returned unsat :0 sat :1267
TRAPS : Iteration 0

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:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.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="ShieldPPPt-PT-100B"
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 ShieldPPPt-PT-100B, 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 r210-tall-174894547900592"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-100B.tgz
mv ShieldPPPt-PT-100B 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 ;