About the Execution of LTSMin+red for SieveSingleMsgMbox-PT-d1m96
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 701.315 | 52074.00 | 86883.00 | 329.50 | 0 0 0 0 ? 0 0 1 0 0 0 0 0 0 0 0 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r532-smll-171683810700093.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is SieveSingleMsgMbox-PT-d1m96, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r532-smll-171683810700093
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 868K
-rw-r--r-- 1 mcc users 7.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 19:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Apr 12 19:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 12 19:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Apr 12 19:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Apr 12 19:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 450K May 18 16:43 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-00
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-01
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-02
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-03
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-04
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-05
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-06
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-07
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-08
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-09
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-10
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-11
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-12
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-13
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-14
FORMULA_NAME SieveSingleMsgMbox-PT-d1m96-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717246549354
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d1m96
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 12:55:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 12:55:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 12:55:52] [INFO ] Load time of PNML (sax parser for PT used): 335 ms
[2024-06-01 12:55:52] [INFO ] Transformed 1295 places.
[2024-06-01 12:55:52] [INFO ] Transformed 749 transitions.
[2024-06-01 12:55:52] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 581 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 18 ms.
Deduced a syphon composed of 1036 places in 21 ms
Reduce places removed 1036 places and 0 transitions.
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0] Max Struct:[+inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0] Max Struct:[+inf, +inf]
// Phase 1: matrix 749 rows 259 cols
[2024-06-01 12:55:52] [INFO ] Computed 6 invariants in 70 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[123, 1]
RANDOM walk for 10000 steps (2229 resets) in 339 ms. (29 steps per ms)
BEST_FIRST walk for 20001 steps (1904 resets) in 250 ms. (79 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[123, 1]
[2024-06-01 12:55:53] [INFO ] Invariant cache hit.
[2024-06-01 12:55:54] [INFO ] [Real]Absence check using 3 positive place invariants in 12 ms returned sat
[2024-06-01 12:55:54] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 5 ms returned sat
[2024-06-01 12:55:54] [INFO ] [Real]Absence check using state equation in 389 ms returned sat
[2024-06-01 12:55:54] [INFO ] State equation strengthened by 587 read => feed constraints.
[2024-06-01 12:55:54] [INFO ] [Real]Added 587 Read/Feed constraints in 216 ms returned sat
[2024-06-01 12:55:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:55:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 12:55:54] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2024-06-01 12:55:55] [INFO ] [Nat]Absence check using state equation in 413 ms returned sat
[2024-06-01 12:55:55] [INFO ] [Nat]Added 587 Read/Feed constraints in 239 ms returned sat
[2024-06-01 12:55:55] [INFO ] Computed and/alt/rep : 82/233/82 causal constraints (skipped 666 transitions) in 269 ms.
[2024-06-01 12:55:56] [INFO ] Added : 16 causal constraints over 4 iterations in 793 ms. Result :sat
Minimization took 690 ms.
[2024-06-01 12:55:57] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 12:55:57] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 5 ms returned sat
[2024-06-01 12:55:57] [INFO ] [Real]Absence check using state equation in 343 ms returned sat
[2024-06-01 12:55:57] [INFO ] [Real]Added 587 Read/Feed constraints in 162 ms returned sat
[2024-06-01 12:55:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:55:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 12:55:57] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 4 ms returned sat
[2024-06-01 12:55:58] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2024-06-01 12:55:58] [INFO ] [Nat]Added 587 Read/Feed constraints in 191 ms returned sat
[2024-06-01 12:55:58] [INFO ] Deduced a trap composed of 29 places in 301 ms of which 40 ms to minimize.
[2024-06-01 12:55:59] [INFO ] Deduced a trap composed of 29 places in 280 ms of which 5 ms to minimize.
[2024-06-01 12:55:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 777 ms
[2024-06-01 12:55:59] [INFO ] Computed and/alt/rep : 82/233/82 causal constraints (skipped 666 transitions) in 173 ms.
[2024-06-01 12:55:59] [INFO ] Added : 18 causal constraints over 5 iterations in 665 ms. Result :sat
Minimization took 565 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[123, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[123, 1]
Support contains 2 out of 259 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 259/259 places, 749/749 transitions.
Graph (complete) has 1159 edges and 259 vertex of which 241 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.4 ms
Discarding 18 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 240 transitions
Reduce isomorphic transitions removed 242 transitions.
Iterating post reduction 0 with 242 rules applied. Total rules applied 243 place count 241 transition count 507
Discarding 60 places :
Symmetric choice reduction at 1 with 60 rule applications. Total rules 303 place count 181 transition count 232
Iterating global reduction 1 with 60 rules applied. Total rules applied 363 place count 181 transition count 232
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 370 place count 181 transition count 225
Discarding 44 places :
Symmetric choice reduction at 2 with 44 rule applications. Total rules 414 place count 137 transition count 181
Iterating global reduction 2 with 44 rules applied. Total rules applied 458 place count 137 transition count 181
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 2 with 16 rules applied. Total rules applied 474 place count 137 transition count 165
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 499 place count 112 transition count 138
Iterating global reduction 3 with 25 rules applied. Total rules applied 524 place count 112 transition count 138
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 540 place count 112 transition count 122
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 547 place count 105 transition count 113
Iterating global reduction 4 with 7 rules applied. Total rules applied 554 place count 105 transition count 113
Discarding 7 places :
Symmetric choice reduction at 4 with 7 rule applications. Total rules 561 place count 98 transition count 106
Iterating global reduction 4 with 7 rules applied. Total rules applied 568 place count 98 transition count 106
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 572 place count 94 transition count 101
Iterating global reduction 4 with 4 rules applied. Total rules applied 576 place count 94 transition count 101
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 578 place count 94 transition count 99
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 582 place count 90 transition count 95
Iterating global reduction 5 with 4 rules applied. Total rules applied 586 place count 90 transition count 95
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 588 place count 88 transition count 93
Iterating global reduction 5 with 2 rules applied. Total rules applied 590 place count 88 transition count 93
Applied a total of 590 rules in 121 ms. Remains 88 /259 variables (removed 171) and now considering 93/749 (removed 656) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 88/259 places, 93/749 transitions.
// Phase 1: matrix 93 rows 88 cols
[2024-06-01 12:56:00] [INFO ] Computed 4 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[96, 1]
RANDOM walk for 1000000 steps (224550 resets) in 960 ms. (1040 steps per ms)
BEST_FIRST walk for 2000001 steps (206135 resets) in 982 ms. (2034 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[96, 1]
[2024-06-01 12:56:02] [INFO ] Invariant cache hit.
[2024-06-01 12:56:02] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-06-01 12:56:02] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-06-01 12:56:02] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2024-06-01 12:56:02] [INFO ] State equation strengthened by 35 read => feed constraints.
[2024-06-01 12:56:02] [INFO ] [Real]Added 35 Read/Feed constraints in 9 ms returned sat
[2024-06-01 12:56:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:56:02] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:02] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2024-06-01 12:56:02] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2024-06-01 12:56:02] [INFO ] [Nat]Added 35 Read/Feed constraints in 8 ms returned sat
[2024-06-01 12:56:02] [INFO ] Computed and/alt/rep : 24/53/24 causal constraints (skipped 68 transitions) in 9 ms.
[2024-06-01 12:56:02] [INFO ] Added : 12 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 135 ms.
[2024-06-01 12:56:03] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-06-01 12:56:03] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 4 ms returned sat
[2024-06-01 12:56:03] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-06-01 12:56:03] [INFO ] [Real]Added 35 Read/Feed constraints in 11 ms returned sat
[2024-06-01 12:56:03] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:56:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-06-01 12:56:03] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-06-01 12:56:03] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2024-06-01 12:56:03] [INFO ] [Nat]Added 35 Read/Feed constraints in 16 ms returned sat
[2024-06-01 12:56:03] [INFO ] Computed and/alt/rep : 24/53/24 causal constraints (skipped 68 transitions) in 16 ms.
[2024-06-01 12:56:03] [INFO ] Added : 18 causal constraints over 4 iterations in 91 ms. Result :sat
Minimization took 71 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[96, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0] Max Struct:[96, 1]
Support contains 2 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 93/93 transitions.
Applied a total of 0 rules in 11 ms. Remains 88 /88 variables (removed 0) and now considering 93/93 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 88/88 places, 93/93 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 93/93 transitions.
Applied a total of 0 rules in 11 ms. Remains 88 /88 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2024-06-01 12:56:03] [INFO ] Invariant cache hit.
[2024-06-01 12:56:04] [INFO ] Implicit Places using invariants in 139 ms returned []
[2024-06-01 12:56:04] [INFO ] Invariant cache hit.
[2024-06-01 12:56:04] [INFO ] State equation strengthened by 35 read => feed constraints.
[2024-06-01 12:56:04] [INFO ] Implicit Places using invariants and state equation in 326 ms returned []
Implicit Place search using SMT with State Equation took 480 ms to find 0 implicit places.
[2024-06-01 12:56:04] [INFO ] Redundant transitions in 3 ms returned []
Running 92 sub problems to find dead transitions.
[2024-06-01 12:56:04] [INFO ] Invariant cache hit.
[2024-06-01 12:56:04] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 3 (OVERLAPS) 1/88 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 5 (OVERLAPS) 93/181 variables, 88/92 constraints. Problems are: Problem set: 0 solved, 92 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 35/127 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 92 unsolved
[2024-06-01 12:56:06] [INFO ] Deduced a trap composed of 38 places in 42 ms of which 1 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/181 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 10 (OVERLAPS) 0/181 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 92 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 128 constraints, problems are : Problem set: 0 solved, 92 unsolved in 4318 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 92/92 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 92 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 3 (OVERLAPS) 1/88 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 6 (OVERLAPS) 93/181 variables, 88/93 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 35/128 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/181 variables, 92/220 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/181 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 92 unsolved
At refinement iteration 10 (OVERLAPS) 0/181 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 92 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 220 constraints, problems are : Problem set: 0 solved, 92 unsolved in 5393 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 88/88 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 92/92 constraints, Known Traps: 1/1 constraints]
After SMT, in 9932ms problems are : Problem set: 0 solved, 92 unsolved
Search for dead transitions found 0 dead transitions in 9949ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10476 ms. Remains : 88/88 places, 93/93 transitions.
[2024-06-01 12:56:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0] Max Struct:[96, 1]
RANDOM walk for 1000000 steps (224686 resets) in 900 ms. (1109 steps per ms)
BEST_FIRST walk for 2000002 steps (207159 resets) in 956 ms. (2089 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0] Max Struct:[96, 1]
[2024-06-01 12:56:16] [INFO ] Invariant cache hit.
[2024-06-01 12:56:16] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 6 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-06-01 12:56:16] [INFO ] State equation strengthened by 35 read => feed constraints.
[2024-06-01 12:56:16] [INFO ] [Real]Added 35 Read/Feed constraints in 9 ms returned sat
[2024-06-01 12:56:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:56:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Nat]Added 35 Read/Feed constraints in 27 ms returned sat
[2024-06-01 12:56:16] [INFO ] Computed and/alt/rep : 24/53/24 causal constraints (skipped 68 transitions) in 12 ms.
[2024-06-01 12:56:16] [INFO ] Added : 13 causal constraints over 3 iterations in 59 ms. Result :sat
Minimization took 68 ms.
[2024-06-01 12:56:16] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Real]Added 35 Read/Feed constraints in 11 ms returned sat
[2024-06-01 12:56:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:56:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2024-06-01 12:56:16] [INFO ] [Nat]Added 35 Read/Feed constraints in 11 ms returned sat
[2024-06-01 12:56:16] [INFO ] Computed and/alt/rep : 24/53/24 causal constraints (skipped 68 transitions) in 9 ms.
[2024-06-01 12:56:16] [INFO ] Added : 18 causal constraints over 4 iterations in 78 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0] Max Struct:[96, 1]
FORMULA SieveSingleMsgMbox-PT-d1m96-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[96]
Support contains 1 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 93/93 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 87 transition count 92
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 87 transition count 92
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 86 transition count 91
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 86 transition count 91
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 84 transition count 89
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 84 transition count 89
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 83 transition count 87
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 83 transition count 87
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 82 transition count 86
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 82 transition count 86
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 81 transition count 85
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 81 transition count 85
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 80 transition count 84
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 80 transition count 84
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 79 transition count 83
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 79 transition count 83
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 78 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 78 transition count 81
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 77 transition count 80
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 77 transition count 80
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 76 transition count 79
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 76 transition count 79
Applied a total of 24 rules in 33 ms. Remains 76 /88 variables (removed 12) and now considering 79/93 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 76/88 places, 79/93 transitions.
// Phase 1: matrix 79 rows 76 cols
[2024-06-01 12:56:17] [INFO ] Computed 4 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[96]
RANDOM walk for 1000000 steps (224389 resets) in 982 ms. (1017 steps per ms)
BEST_FIRST walk for 1000001 steps (102961 resets) in 439 ms. (2272 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[96]
[2024-06-01 12:56:18] [INFO ] Invariant cache hit.
[2024-06-01 12:56:18] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:18] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2024-06-01 12:56:18] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-06-01 12:56:18] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-06-01 12:56:18] [INFO ] [Real]Added 30 Read/Feed constraints in 9 ms returned sat
[2024-06-01 12:56:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:56:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:18] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-06-01 12:56:18] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-06-01 12:56:18] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2024-06-01 12:56:18] [INFO ] Computed and/alt/rep : 20/44/20 causal constraints (skipped 58 transitions) in 6 ms.
[2024-06-01 12:56:18] [INFO ] Added : 13 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[96]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[96]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 79/79 transitions.
Applied a total of 0 rules in 6 ms. Remains 76 /76 variables (removed 0) and now considering 79/79 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 76/76 places, 79/79 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 79/79 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2024-06-01 12:56:19] [INFO ] Invariant cache hit.
[2024-06-01 12:56:19] [INFO ] Implicit Places using invariants in 108 ms returned []
[2024-06-01 12:56:19] [INFO ] Invariant cache hit.
[2024-06-01 12:56:19] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-06-01 12:56:19] [INFO ] Implicit Places using invariants and state equation in 212 ms returned []
Implicit Place search using SMT with State Equation took 332 ms to find 0 implicit places.
[2024-06-01 12:56:19] [INFO ] Redundant transitions in 2 ms returned []
Running 78 sub problems to find dead transitions.
[2024-06-01 12:56:19] [INFO ] Invariant cache hit.
[2024-06-01 12:56:19] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 1/76 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (OVERLAPS) 79/155 variables, 76/80 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 30/110 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (OVERLAPS) 0/155 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 110 constraints, problems are : Problem set: 0 solved, 78 unsolved in 2099 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 1/76 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (OVERLAPS) 79/155 variables, 76/80 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 30/110 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 78/188 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/155 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (OVERLAPS) 0/155 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 188 constraints, problems are : Problem set: 0 solved, 78 unsolved in 3810 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints]
After SMT, in 6023ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 6025ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6374 ms. Remains : 76/76 places, 79/79 transitions.
RANDOM walk for 40000 steps (8962 resets) in 913 ms. (43 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (4091 resets) in 356 ms. (112 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40000 steps (4141 resets) in 187 ms. (212 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2662808 steps, run timeout after 3001 ms. (steps per millisecond=887 ) properties seen :1 out of 2
Probabilistic random walk after 2662808 steps, saw 1232968 distinct states, run finished after 3005 ms. (steps per millisecond=886 ) properties seen :1
[2024-06-01 12:56:28] [INFO ] Invariant cache hit.
[2024-06-01 12:56:28] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 12:56:29] [INFO ] Deduced a trap composed of 30 places in 47 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 38/155 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 1/2 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/76 constraints, ReadFeed: 0/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 91ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[96]
Starting property specific reduction for SieveSingleMsgMbox-PT-d1m96-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[96]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[96]
[2024-06-01 12:56:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[96]
RANDOM walk for 10000 steps (2272 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (1075 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[96]
[2024-06-01 12:56:29] [INFO ] Invariant cache hit.
[2024-06-01 12:56:29] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:29] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2024-06-01 12:56:29] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2024-06-01 12:56:29] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-06-01 12:56:29] [INFO ] [Real]Added 30 Read/Feed constraints in 6 ms returned sat
[2024-06-01 12:56:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:56:29] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:29] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-06-01 12:56:29] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2024-06-01 12:56:29] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2024-06-01 12:56:29] [INFO ] Computed and/alt/rep : 20/44/20 causal constraints (skipped 58 transitions) in 7 ms.
[2024-06-01 12:56:29] [INFO ] Added : 13 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 54 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[96]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[96]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 79/79 transitions.
Applied a total of 0 rules in 8 ms. Remains 76 /76 variables (removed 0) and now considering 79/79 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 76/76 places, 79/79 transitions.
[2024-06-01 12:56:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[96]
RANDOM walk for 1000000 steps (224673 resets) in 1223 ms. (816 steps per ms)
BEST_FIRST walk for 1000000 steps (103382 resets) in 433 ms. (2304 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[96]
[2024-06-01 12:56:31] [INFO ] Invariant cache hit.
[2024-06-01 12:56:31] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:31] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2024-06-01 12:56:31] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-06-01 12:56:31] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-06-01 12:56:31] [INFO ] [Real]Added 30 Read/Feed constraints in 5 ms returned sat
[2024-06-01 12:56:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:56:31] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:56:31] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2024-06-01 12:56:31] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-06-01 12:56:31] [INFO ] [Nat]Added 30 Read/Feed constraints in 7 ms returned sat
[2024-06-01 12:56:31] [INFO ] Computed and/alt/rep : 20/44/20 causal constraints (skipped 58 transitions) in 11 ms.
[2024-06-01 12:56:31] [INFO ] Added : 13 causal constraints over 3 iterations in 112 ms. Result :sat
Minimization took 66 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[96]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[96]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 79/79 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 79/79 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 79/79 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 79/79 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 79/79 (removed 0) transitions.
[2024-06-01 12:56:31] [INFO ] Invariant cache hit.
[2024-06-01 12:56:32] [INFO ] Implicit Places using invariants in 109 ms returned []
[2024-06-01 12:56:32] [INFO ] Invariant cache hit.
[2024-06-01 12:56:32] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-06-01 12:56:32] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 308 ms to find 0 implicit places.
[2024-06-01 12:56:32] [INFO ] Redundant transitions in 2 ms returned []
Running 78 sub problems to find dead transitions.
[2024-06-01 12:56:32] [INFO ] Invariant cache hit.
[2024-06-01 12:56:32] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 1/76 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (OVERLAPS) 79/155 variables, 76/80 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 30/110 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (OVERLAPS) 0/155 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 110 constraints, problems are : Problem set: 0 solved, 78 unsolved in 1974 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 78 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 3 (OVERLAPS) 1/76 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 5 (OVERLAPS) 79/155 variables, 76/80 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 30/110 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 78/188 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/155 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 78 unsolved
At refinement iteration 9 (OVERLAPS) 0/155 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 78 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 188 constraints, problems are : Problem set: 0 solved, 78 unsolved in 3338 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints]
After SMT, in 5410ms problems are : Problem set: 0 solved, 78 unsolved
Search for dead transitions found 0 dead transitions in 5412ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5733 ms. Remains : 76/76 places, 79/79 transitions.
RANDOM walk for 40000 steps (8933 resets) in 110 ms. (360 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (4192 resets) in 54 ms. (727 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (4013 resets) in 49 ms. (800 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2750434 steps, run timeout after 3001 ms. (steps per millisecond=916 ) properties seen :1 out of 2
Probabilistic random walk after 2750434 steps, saw 1273563 distinct states, run finished after 3001 ms. (steps per millisecond=916 ) properties seen :1
[2024-06-01 12:56:40] [INFO ] Invariant cache hit.
[2024-06-01 12:56:40] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 37/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 12:56:40] [INFO ] Deduced a trap composed of 30 places in 40 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 38/155 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 1/2 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/76 constraints, ReadFeed: 0/30 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 77ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[96]
Ending property specific reduction for SieveSingleMsgMbox-PT-d1m96-UpperBounds-04 in 11836 ms.
[2024-06-01 12:56:41] [INFO ] Flatten gal took : 47 ms
[2024-06-01 12:56:41] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2024-06-01 12:56:41] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 76 places, 79 transitions and 314 arcs took 6 ms.
Total runtime 49067 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=
[--mu-opt] [--saturation=
[--sat-granularity=
[--guidance=
[--action=
[--trace=
[--mu=
[--ctl=
[--save-levels=STRING] [--pg-solve] [--attr=
[--saturating-attractor] [--write-strategy=
[--check-strategy] [--interactive-play] [--player]
[--pg-write=
[--edge-label=
[--mucalc=
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por=
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=
[--cw-max-cols=
[--mh-timeout=
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=
[--ldd32-cache=
[--cache-ratio=
[--min-free-nodes=
[--fdd-reorder=
[--vset-cache-diff=
[--next-union] [--peak-nodes] [--maxsum=
[--block-size=
[--debug=
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS]
Could not compute solution for formula : SieveSingleMsgMbox-PT-d1m96-UpperBounds-04
BK_STOP 1717246601428
--------------------
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 UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name SieveSingleMsgMbox-PT-d1m96-UpperBounds-04
ub formula formula --maxsum=/tmp/658/ub_0_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc
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="SieveSingleMsgMbox-PT-d1m96"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is SieveSingleMsgMbox-PT-d1m96, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r532-smll-171683810700093"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m96.tgz
mv SieveSingleMsgMbox-PT-d1m96 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;