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.r488-tall-171631133100637.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)
................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DoubleLock-PT-p3s2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r488-tall-171631133100637
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 764K
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 22 14:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 22 14:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 330K May 18 16:42 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 DoubleLock-PT-p3s2-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717202725972

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p3s2
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 00:45:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 00:45:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 00:45:27] [INFO ] Load time of PNML (sax parser for PT used): 96 ms
[2024-06-01 00:45:27] [INFO ] Transformed 112 places.
[2024-06-01 00:45:27] [INFO ] Transformed 744 transitions.
[2024-06-01 00:45:27] [INFO ] Parsed PT model containing 112 places and 744 transitions and 3008 arcs in 192 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Deduced a syphon composed of 20 places in 3 ms
Reduce places removed 20 places and 32 transitions.
FORMULA DoubleLock-PT-p3s2-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:45:27] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
// Phase 1: matrix 515 rows 92 cols
[2024-06-01 00:45:27] [INFO ] Computed 4 invariants in 23 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[10, +inf, +inf, 1, 1, 1, 1, 1, +inf, 1, 1, 1, +inf, 1]
RANDOM walk for 10000 steps (114 resets) in 35 ms. (277 steps per ms)
FORMULA DoubleLock-PT-p3s2-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-00 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (94 resets) in 51 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 10, 3] Max Struct:[+inf, +inf, +inf, +inf]
[2024-06-01 00:45:27] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2024-06-01 00:45:27] [INFO ] Invariant cache hit.
[2024-06-01 00:45:27] [INFO ] [Real]Absence check using 3 positive place invariants in 15 ms returned sat
[2024-06-01 00:45:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:27] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2024-06-01 00:45:27] [INFO ] State equation strengthened by 47 read => feed constraints.
[2024-06-01 00:45:27] [INFO ] [Real]Added 47 Read/Feed constraints in 10 ms returned sat
[2024-06-01 00:45:27] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:45:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:45:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:27] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2024-06-01 00:45:27] [INFO ] [Nat]Added 47 Read/Feed constraints in 31 ms returned sat
[2024-06-01 00:45:28] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 81 ms.
[2024-06-01 00:45:28] [INFO ] Added : 3 causal constraints over 1 iterations in 168 ms. Result :sat
Minimization took 237 ms.
[2024-06-01 00:45:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:28] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:45:28] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-06-01 00:45:28] [INFO ] [Real]Added 47 Read/Feed constraints in 10 ms returned sat
[2024-06-01 00:45:28] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:45:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:45:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:28] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2024-06-01 00:45:28] [INFO ] [Nat]Added 47 Read/Feed constraints in 13 ms returned sat
[2024-06-01 00:45:28] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 70 ms.
[2024-06-01 00:45:28] [INFO ] Added : 10 causal constraints over 3 iterations in 177 ms. Result :sat
Minimization took 283 ms.
[2024-06-01 00:45:29] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:45:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:29] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2024-06-01 00:45:29] [INFO ] [Real]Added 47 Read/Feed constraints in 18 ms returned sat
[2024-06-01 00:45:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:45:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:45:29] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-06-01 00:45:29] [INFO ] [Nat]Added 47 Read/Feed constraints in 30 ms returned sat
[2024-06-01 00:45:29] [INFO ] Deduced a trap composed of 52 places in 128 ms of which 21 ms to minimize.
[2024-06-01 00:45:29] [INFO ] Deduced a trap composed of 42 places in 111 ms of which 1 ms to minimize.
[2024-06-01 00:45:29] [INFO ] Deduced a trap composed of 36 places in 95 ms of which 1 ms to minimize.
[2024-06-01 00:45:29] [INFO ] Deduced a trap composed of 33 places in 79 ms of which 1 ms to minimize.
[2024-06-01 00:45:30] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 489 ms
[2024-06-01 00:45:30] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 43 ms.
[2024-06-01 00:45:30] [INFO ] Added : 2 causal constraints over 2 iterations in 123 ms. Result :sat
Minimization took 219 ms.
[2024-06-01 00:45:30] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:45:30] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2024-06-01 00:45:30] [INFO ] [Real]Added 47 Read/Feed constraints in 17 ms returned sat
[2024-06-01 00:45:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:45:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:30] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:30] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-06-01 00:45:30] [INFO ] [Nat]Added 47 Read/Feed constraints in 22 ms returned sat
[2024-06-01 00:45:30] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 43 ms.
[2024-06-01 00:45:30] [INFO ] Added : 2 causal constraints over 1 iterations in 101 ms. Result :sat
Minimization took 282 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 10, 3] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[28, 1, 10, 3] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 712/712 transitions.
Graph (complete) has 1229 edges and 92 vertex of which 90 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 71 ms. Remains 90 /92 variables (removed 2) and now considering 712/712 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96 ms. Remains : 90/92 places, 712/712 transitions.
[2024-06-01 00:45:31] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
Found an invariant !
This invariant on transitions {10=1, 15=1, 28=1, 302=1, 513=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 298=1, 509=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 186 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 4) seen :[0, 0, 5, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[28, 1, 10, 3] Max Struct:[+inf, +inf, +inf, +inf]
[2024-06-01 00:45:31] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
// Phase 1: matrix 515 rows 90 cols
[2024-06-01 00:45:31] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[28, 1, 10, 3] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (11703 resets) in 861 ms. (1160 steps per ms)
BEST_FIRST walk for 4000002 steps (9203 resets) in 1834 ms. (2179 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
[2024-06-01 00:45:34] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2024-06-01 00:45:34] [INFO ] Invariant cache hit.
[2024-06-01 00:45:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:34] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2024-06-01 00:45:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:45:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-06-01 00:45:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:34] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2024-06-01 00:45:34] [INFO ] State equation strengthened by 47 read => feed constraints.
[2024-06-01 00:45:34] [INFO ] [Nat]Added 47 Read/Feed constraints in 32 ms returned sat
[2024-06-01 00:45:34] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 33 ms.
[2024-06-01 00:45:34] [INFO ] Added : 2 causal constraints over 1 iterations in 89 ms. Result :sat
Minimization took 302 ms.
[2024-06-01 00:45:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:35] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2024-06-01 00:45:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:45:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-06-01 00:45:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:35] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2024-06-01 00:45:35] [INFO ] [Nat]Added 47 Read/Feed constraints in 28 ms returned sat
[2024-06-01 00:45:35] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 35 ms.
[2024-06-01 00:45:35] [INFO ] Added : 11 causal constraints over 3 iterations in 152 ms. Result :sat
Minimization took 434 ms.
[2024-06-01 00:45:36] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:45:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:36] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-06-01 00:45:36] [INFO ] [Real]Added 47 Read/Feed constraints in 24 ms returned sat
[2024-06-01 00:45:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:45:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:36] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2024-06-01 00:45:36] [INFO ] [Nat]Added 47 Read/Feed constraints in 21 ms returned sat
[2024-06-01 00:45:36] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 35 ms.
[2024-06-01 00:45:36] [INFO ] Added : 2 causal constraints over 2 iterations in 116 ms. Result :sat
Minimization took 327 ms.
[2024-06-01 00:45:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:37] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-06-01 00:45:37] [INFO ] [Real]Added 47 Read/Feed constraints in 20 ms returned sat
[2024-06-01 00:45:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:45:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:45:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:45:37] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2024-06-01 00:45:37] [INFO ] [Nat]Added 47 Read/Feed constraints in 20 ms returned sat
[2024-06-01 00:45:37] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 34 ms.
[2024-06-01 00:45:37] [INFO ] Added : 2 causal constraints over 1 iterations in 91 ms. Result :sat
Minimization took 421 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 712/712 transitions.
Applied a total of 0 rules in 17 ms. Remains 90 /90 variables (removed 0) and now considering 712/712 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 90/90 places, 712/712 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 712/712 transitions.
Applied a total of 0 rules in 14 ms. Remains 90 /90 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2024-06-01 00:45:37] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2024-06-01 00:45:37] [INFO ] Invariant cache hit.
[2024-06-01 00:45:38] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-06-01 00:45:38] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2024-06-01 00:45:38] [INFO ] Invariant cache hit.
[2024-06-01 00:45:38] [INFO ] State equation strengthened by 47 read => feed constraints.
[2024-06-01 00:45:38] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2024-06-01 00:45:38] [INFO ] Redundant transitions in 37 ms returned []
Running 710 sub problems to find dead transitions.
[2024-06-01 00:45:38] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2024-06-01 00:45:38] [INFO ] Invariant cache hit.
[2024-06-01 00:45:38] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/605 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/605 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 8 (OVERLAPS) 0/605 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 710 unsolved
No progress, stopping.
After SMT solving in domain Real declared 605/605 variables, and 139 constraints, problems are : Problem set: 0 solved, 710 unsolved in 22615 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 710 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 32/170 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/604 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 7 (OVERLAPS) 1/605 variables, 1/171 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Problem TDEAD464 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD467 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD469 is UNSAT
Problem TDEAD470 is UNSAT
Problem TDEAD471 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD473 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD475 is UNSAT
Problem TDEAD476 is UNSAT
Problem TDEAD480 is UNSAT
Problem TDEAD481 is UNSAT
Problem TDEAD485 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD493 is UNSAT
Problem TDEAD494 is UNSAT
Problem TDEAD498 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD504 is UNSAT
Problem TDEAD506 is UNSAT
Problem TDEAD507 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD510 is UNSAT
Problem TDEAD511 is UNSAT
Problem TDEAD512 is UNSAT
Problem TDEAD513 is UNSAT
Problem TDEAD514 is UNSAT
Problem TDEAD515 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD521 is UNSAT
Problem TDEAD522 is UNSAT
Problem TDEAD523 is UNSAT
Problem TDEAD524 is UNSAT
Problem TDEAD525 is UNSAT
Problem TDEAD526 is UNSAT
Problem TDEAD527 is UNSAT
Problem TDEAD528 is UNSAT
Problem TDEAD529 is UNSAT
Problem TDEAD530 is UNSAT
Problem TDEAD534 is UNSAT
Problem TDEAD535 is UNSAT
Problem TDEAD539 is UNSAT
Problem TDEAD540 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD547 is UNSAT
Problem TDEAD548 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD553 is UNSAT
Problem TDEAD557 is UNSAT
Problem TDEAD558 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD561 is UNSAT
Problem TDEAD562 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD564 is UNSAT
Problem TDEAD565 is UNSAT
Problem TDEAD566 is UNSAT
Problem TDEAD567 is UNSAT
Problem TDEAD568 is UNSAT
Problem TDEAD569 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD571 is UNSAT
Problem TDEAD572 is UNSAT
Problem TDEAD573 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD575 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD577 is UNSAT
Problem TDEAD578 is UNSAT
Problem TDEAD579 is UNSAT
Problem TDEAD580 is UNSAT
Problem TDEAD581 is UNSAT
Problem TDEAD582 is UNSAT
Problem TDEAD583 is UNSAT
Problem TDEAD584 is UNSAT
Problem TDEAD588 is UNSAT
Problem TDEAD589 is UNSAT
Problem TDEAD593 is UNSAT
Problem TDEAD594 is UNSAT
Problem TDEAD598 is UNSAT
Problem TDEAD601 is UNSAT
Problem TDEAD602 is UNSAT
Problem TDEAD606 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD611 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD614 is UNSAT
Problem TDEAD615 is UNSAT
Problem TDEAD616 is UNSAT
Problem TDEAD617 is UNSAT
Problem TDEAD618 is UNSAT
Problem TDEAD619 is UNSAT
Problem TDEAD620 is UNSAT
Problem TDEAD621 is UNSAT
Problem TDEAD622 is UNSAT
Problem TDEAD623 is UNSAT
Problem TDEAD624 is UNSAT
Problem TDEAD625 is UNSAT
Problem TDEAD626 is UNSAT
Problem TDEAD627 is UNSAT
Problem TDEAD628 is UNSAT
Problem TDEAD629 is UNSAT
Problem TDEAD630 is UNSAT
Problem TDEAD631 is UNSAT
Problem TDEAD632 is UNSAT
Problem TDEAD633 is UNSAT
Problem TDEAD634 is UNSAT
Problem TDEAD635 is UNSAT
Problem TDEAD636 is UNSAT
Problem TDEAD637 is UNSAT
Problem TDEAD638 is UNSAT
Problem TDEAD642 is UNSAT
Problem TDEAD643 is UNSAT
Problem TDEAD647 is UNSAT
Problem TDEAD648 is UNSAT
Problem TDEAD652 is UNSAT
Problem TDEAD655 is UNSAT
Problem TDEAD656 is UNSAT
Problem TDEAD660 is UNSAT
Problem TDEAD661 is UNSAT
Problem TDEAD665 is UNSAT
Problem TDEAD666 is UNSAT
Problem TDEAD668 is UNSAT
Problem TDEAD669 is UNSAT
Problem TDEAD670 is UNSAT
Problem TDEAD671 is UNSAT
Problem TDEAD672 is UNSAT
Problem TDEAD673 is UNSAT
Problem TDEAD674 is UNSAT
Problem TDEAD675 is UNSAT
Problem TDEAD676 is UNSAT
Problem TDEAD677 is UNSAT
Problem TDEAD678 is UNSAT
Problem TDEAD679 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/605 variables, 678/849 constraints. Problems are: Problem set: 144 solved, 566 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 605/605 variables, and 849 constraints, problems are : Problem set: 144 solved, 566 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints]
After SMT, in 53416ms problems are : Problem set: 144 solved, 566 unsolved
Search for dead transitions found 144 dead transitions in 53432ms
Found 144 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 144 transitions
Dead transitions reduction (with SMT) removed 144 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 90/90 places, 568/712 transitions.
Graph (complete) has 971 edges and 90 vertex of which 82 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 11 ms. Remains 82 /90 variables (removed 8) and now considering 568/568 (removed 0) transitions.
[2024-06-01 00:46:31] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2024-06-01 00:46:31] [INFO ] Computed 1 invariants in 5 ms
[2024-06-01 00:46:31] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-06-01 00:46:31] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:46:31] [INFO ] Invariant cache hit.
[2024-06-01 00:46:31] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:46:32] [INFO ] Implicit Places using invariants and state equation in 191 ms returned []
Implicit Place search using SMT with State Equation took 264 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 82/90 places, 568/712 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 54126 ms. Remains : 82/90 places, 568/712 transitions.
[2024-06-01 00:46:32] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {15=1, 28=1, 302=1, 387=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 302=1, 388=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 187 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 4) seen :[0, 1, 6, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
[2024-06-01 00:46:32] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:46:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (11707 resets) in 797 ms. (1253 steps per ms)
BEST_FIRST walk for 4000003 steps (9271 resets) in 1704 ms. (2346 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
[2024-06-01 00:46:34] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:46:34] [INFO ] Invariant cache hit.
[2024-06-01 00:46:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:46:34] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2024-06-01 00:46:34] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:46:34] [INFO ] [Real]Added 41 Read/Feed constraints in 36 ms returned sat
[2024-06-01 00:46:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:46:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:46:35] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2024-06-01 00:46:35] [INFO ] [Nat]Added 41 Read/Feed constraints in 26 ms returned sat
[2024-06-01 00:46:35] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 29 ms.
[2024-06-01 00:46:35] [INFO ] Added : 4 causal constraints over 2 iterations in 88 ms. Result :sat
Minimization took 132 ms.
[2024-06-01 00:46:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:46:35] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-01 00:46:35] [INFO ] [Real]Added 41 Read/Feed constraints in 12 ms returned sat
[2024-06-01 00:46:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:46:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:46:35] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-06-01 00:46:35] [INFO ] [Nat]Added 41 Read/Feed constraints in 10 ms returned sat
[2024-06-01 00:46:35] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 41 ms.
[2024-06-01 00:46:35] [INFO ] Added : 3 causal constraints over 2 iterations in 91 ms. Result :sat
Minimization took 152 ms.
[2024-06-01 00:46:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:46:35] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-01 00:46:35] [INFO ] [Real]Added 41 Read/Feed constraints in 13 ms returned sat
[2024-06-01 00:46:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:46:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:46:36] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2024-06-01 00:46:36] [INFO ] [Nat]Added 41 Read/Feed constraints in 16 ms returned sat
[2024-06-01 00:46:36] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 25 ms.
[2024-06-01 00:46:36] [INFO ] Added : 2 causal constraints over 2 iterations in 84 ms. Result :sat
Minimization took 124 ms.
[2024-06-01 00:46:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:46:36] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-01 00:46:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:46:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:46:36] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2024-06-01 00:46:36] [INFO ] [Nat]Added 41 Read/Feed constraints in 16 ms returned sat
[2024-06-01 00:46:36] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 26 ms.
[2024-06-01 00:46:36] [INFO ] Added : 0 causal constraints over 0 iterations in 53 ms. Result :sat
Minimization took 195 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Applied a total of 0 rules in 10 ms. Remains 82 /82 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 82/82 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Applied a total of 0 rules in 9 ms. Remains 82 /82 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2024-06-01 00:46:36] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:46:36] [INFO ] Invariant cache hit.
[2024-06-01 00:46:36] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-06-01 00:46:36] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:46:36] [INFO ] Invariant cache hit.
[2024-06-01 00:46:37] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:46:37] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
[2024-06-01 00:46:37] [INFO ] Redundant transitions in 7 ms returned []
Running 566 sub problems to find dead transitions.
[2024-06-01 00:46:37] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:46:37] [INFO ] Invariant cache hit.
[2024-06-01 00:46:37] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (OVERLAPS) 1/471 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/471 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 7 (OVERLAPS) 0/471 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 471/471 variables, and 124 constraints, problems are : Problem set: 0 solved, 566 unsolved in 19428 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 414/537 constraints. Problems are: Problem set: 0 solved, 566 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 470/471 variables, and 537 constraints, problems are : Problem set: 0 solved, 566 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 414/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 49859ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 49864ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50158 ms. Remains : 82/82 places, 568/568 transitions.
[2024-06-01 00:47:27] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {15=1, 28=1, 302=1, 387=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {15=1, 28=1, 302=1, 388=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 188 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 4) seen :[0, 0, 4, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 40012 steps (467 resets) in 452 ms. (88 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (96 resets) in 95 ms. (416 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (94 resets) in 136 ms. (292 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (73 resets) in 89 ms. (444 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (97 resets) in 90 ms. (439 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 360525 steps, run timeout after 3001 ms. (steps per millisecond=120 ) properties seen :1 out of 4
Probabilistic random walk after 360525 steps, saw 273308 distinct states, run finished after 3005 ms. (steps per millisecond=119 ) properties seen :1
[2024-06-01 00:47:30] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:47:30] [INFO ] Invariant cache hit.
[2024-06-01 00:47:30] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 51/54 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 353/407 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 64/471 variables, 49/84 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/471 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/471 variables, 39/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/471 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/471 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 471/471 variables, and 124 constraints, problems are : Problem set: 0 solved, 3 unsolved in 169 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 51/54 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 353/407 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/407 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 64/471 variables, 49/87 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/471 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/471 variables, 39/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/471 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/471 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 471/471 variables, and 127 constraints, problems are : Problem set: 0 solved, 3 unsolved in 254 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 430ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 3 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Graph (complete) has 915 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 12 ms. Remains 81 /82 variables (removed 1) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 81/82 places, 568/568 transitions.
RANDOM walk for 40014 steps (468 resets) in 97 ms. (408 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (97 resets) in 39 ms. (1000 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (74 resets) in 60 ms. (655 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (91 resets) in 34 ms. (1142 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 388380 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 3
Probabilistic random walk after 388380 steps, saw 270591 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
[2024-06-01 00:47:34] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 81 cols
[2024-06-01 00:47:34] [INFO ] Computed 1 invariants in 5 ms
[2024-06-01 00:47:34] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 51/54 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 353/407 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 63/470 variables, 48/83 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/470 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/470 variables, 39/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 3 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 51/54 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 353/407 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/407 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 63/470 variables, 48/86 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/470 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/470 variables, 39/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/470 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 126 constraints, problems are : Problem set: 0 solved, 3 unsolved in 263 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 443ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 3 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 19 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 81/81 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 8 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2024-06-01 00:47:34] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:47:34] [INFO ] Invariant cache hit.
[2024-06-01 00:47:34] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-06-01 00:47:34] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:47:34] [INFO ] Invariant cache hit.
[2024-06-01 00:47:34] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:47:34] [INFO ] Implicit Places using invariants and state equation in 204 ms returned []
Implicit Place search using SMT with State Equation took 281 ms to find 0 implicit places.
[2024-06-01 00:47:34] [INFO ] Redundant transitions in 3 ms returned []
Running 566 sub problems to find dead transitions.
[2024-06-01 00:47:34] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:47:34] [INFO ] Invariant cache hit.
[2024-06-01 00:47:34] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 566 unsolved in 12946 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 566/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 6 (OVERLAPS) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 689 constraints, problems are : Problem set: 0 solved, 566 unsolved in 30009 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 43371ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 43382ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43685 ms. Remains : 81/81 places, 568/568 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 389
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 7 Pre rules applied. Total rules applied 179 place count 81 transition count 382
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 14 rules applied. Total rules applied 193 place count 74 transition count 382
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 197 place count 72 transition count 380
Applied a total of 197 rules in 21 ms. Remains 72 /81 variables (removed 9) and now considering 380/568 (removed 188) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 380 rows 72 cols
[2024-06-01 00:48:18] [INFO ] Computed 1 invariants in 4 ms
[2024-06-01 00:48:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:48:18] [INFO ] After 116ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2024-06-01 00:48:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:48:18] [INFO ] After 84ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2024-06-01 00:48:18] [INFO ] State equation strengthened by 16 read => feed constraints.
[2024-06-01 00:48:18] [INFO ] After 35ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2024-06-01 00:48:18] [INFO ] After 88ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2024-06-01 00:48:18] [INFO ] After 239ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 394 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[28, 2, 16, 5] Max Struct:[+inf, +inf, +inf, +inf]
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-01
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:48:18] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2024-06-01 00:48:18] [INFO ] Computed 1 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (115 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (29 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:48:18] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:48:18] [INFO ] Invariant cache hit.
[2024-06-01 00:48:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:48:18] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-01 00:48:18] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:48:18] [INFO ] [Real]Added 41 Read/Feed constraints in 8 ms returned sat
[2024-06-01 00:48:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:48:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:48:18] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2024-06-01 00:48:18] [INFO ] [Nat]Added 41 Read/Feed constraints in 9 ms returned sat
[2024-06-01 00:48:18] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 22 ms.
[2024-06-01 00:48:18] [INFO ] Added : 3 causal constraints over 1 iterations in 59 ms. Result :sat
Minimization took 141 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 82 transition count 560
Applied a total of 8 rules in 8 ms. Remains 82 /82 variables (removed 0) and now considering 560/568 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 82/82 places, 560/568 transitions.
[2024-06-01 00:48:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 282=1, 368=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 294=1, 380=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 186 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:48:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
// Phase 1: matrix 381 rows 82 cols
[2024-06-01 00:48:19] [INFO ] Computed 2 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000004 steps (11736 resets) in 745 ms. (1340 steps per ms)
BEST_FIRST walk for 1000001 steps (2454 resets) in 404 ms. (2469 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-06-01 00:48:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:48:20] [INFO ] Invariant cache hit.
[2024-06-01 00:48:20] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 00:48:20] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-06-01 00:48:20] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:48:20] [INFO ] [Real]Added 41 Read/Feed constraints in 13 ms returned sat
[2024-06-01 00:48:20] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:48:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:48:20] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2024-06-01 00:48:20] [INFO ] [Nat]Added 41 Read/Feed constraints in 11 ms returned sat
[2024-06-01 00:48:20] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 27 ms.
[2024-06-01 00:48:20] [INFO ] Deduced a trap composed of 36 places in 79 ms of which 1 ms to minimize.
[2024-06-01 00:48:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 106 ms
[2024-06-01 00:48:20] [INFO ] Added : 3 causal constraints over 2 iterations in 196 ms. Result :sat
Minimization took 187 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 82/82 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:48:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:48:21] [INFO ] Invariant cache hit.
[2024-06-01 00:48:21] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-06-01 00:48:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:48:21] [INFO ] Invariant cache hit.
[2024-06-01 00:48:21] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:48:21] [INFO ] Implicit Places using invariants and state equation in 208 ms returned []
Implicit Place search using SMT with State Equation took 283 ms to find 0 implicit places.
[2024-06-01 00:48:21] [INFO ] Redundant transitions in 4 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:48:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:48:21] [INFO ] Invariant cache hit.
[2024-06-01 00:48:21] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 1/463 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 7 (OVERLAPS) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 463/463 variables, and 125 constraints, problems are : Problem set: 0 solved, 558 unsolved in 12777 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 408/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 1/463 variables, 1/533 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 463/463 variables, and 683 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 43180ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 43186ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43485 ms. Remains : 82/82 places, 560/560 transitions.
[2024-06-01 00:49:04] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 282=1, 368=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 294=1, 380=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 188 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2024-06-01 00:49:04] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000001 steps (11667 resets) in 753 ms. (1326 steps per ms)
BEST_FIRST walk for 1000001 steps (2457 resets) in 395 ms. (2525 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:49:05] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:05] [INFO ] Invariant cache hit.
[2024-06-01 00:49:05] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 00:49:05] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-01 00:49:05] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:49:05] [INFO ] [Real]Added 41 Read/Feed constraints in 18 ms returned sat
[2024-06-01 00:49:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:49:05] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 00:49:06] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-06-01 00:49:06] [INFO ] [Nat]Added 41 Read/Feed constraints in 12 ms returned sat
[2024-06-01 00:49:06] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 22 ms.
[2024-06-01 00:49:06] [INFO ] Added : 3 causal constraints over 2 iterations in 76 ms. Result :sat
Minimization took 200 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[29] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 82/82 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:49:06] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:06] [INFO ] Invariant cache hit.
[2024-06-01 00:49:06] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-06-01 00:49:06] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:06] [INFO ] Invariant cache hit.
[2024-06-01 00:49:06] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:49:06] [INFO ] Implicit Places using invariants and state equation in 220 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
[2024-06-01 00:49:06] [INFO ] Redundant transitions in 3 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:49:06] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:06] [INFO ] Invariant cache hit.
[2024-06-01 00:49:06] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 1/463 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 7 (OVERLAPS) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 463/463 variables, and 125 constraints, problems are : Problem set: 0 solved, 558 unsolved in 12963 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 408/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 1/463 variables, 1/533 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 463/463 variables, and 683 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 43389ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 43394ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43706 ms. Remains : 82/82 places, 560/560 transitions.
[2024-06-01 00:49:50] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 282=1, 368=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 294=1, 380=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 190 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[29] Max Struct:[+inf]
[2024-06-01 00:49:50] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[29] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11716 resets) in 727 ms. (1373 steps per ms)
BEST_FIRST walk for 1000001 steps (2442 resets) in 385 ms. (2590 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[29] Max Struct:[+inf]
[2024-06-01 00:49:51] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:51] [INFO ] Invariant cache hit.
[2024-06-01 00:49:51] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:49:51] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-06-01 00:49:51] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:49:51] [INFO ] [Real]Added 41 Read/Feed constraints in 87 ms returned sat
[2024-06-01 00:49:51] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:49:51] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-06-01 00:49:51] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-06-01 00:49:51] [INFO ] [Nat]Added 41 Read/Feed constraints in 28 ms returned sat
[2024-06-01 00:49:51] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 25 ms.
[2024-06-01 00:49:51] [INFO ] Deduced a trap composed of 37 places in 83 ms of which 1 ms to minimize.
[2024-06-01 00:49:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 109 ms
[2024-06-01 00:49:51] [INFO ] Added : 3 causal constraints over 2 iterations in 207 ms. Result :sat
Minimization took 200 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[29] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[29] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:49:52] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:52] [INFO ] Invariant cache hit.
[2024-06-01 00:49:52] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-06-01 00:49:52] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:52] [INFO ] Invariant cache hit.
[2024-06-01 00:49:52] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:49:52] [INFO ] Implicit Places using invariants and state equation in 209 ms returned []
Implicit Place search using SMT with State Equation took 286 ms to find 0 implicit places.
[2024-06-01 00:49:52] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:49:52] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:49:52] [INFO ] Invariant cache hit.
[2024-06-01 00:49:52] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 1/463 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 7 (OVERLAPS) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 463/463 variables, and 125 constraints, problems are : Problem set: 0 solved, 558 unsolved in 12974 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 408/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 1/463 variables, 1/533 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 463/463 variables, and 683 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 43398ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 43406ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43714 ms. Remains : 82/82 places, 560/560 transitions.
[2024-06-01 00:50:35] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 282=1, 368=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 294=1, 380=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 183 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[29] Max Struct:[+inf]
RANDOM walk for 40005 steps (461 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (95 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 2850 steps, run visited all 1 properties in 10 ms. (steps per millisecond=285 )
Probabilistic random walk after 2850 steps, saw 2125 distinct states, run finished after 13 ms. (steps per millisecond=219 ) properties seen :1
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[29] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-01 in 137551 ms.
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-02
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:50:36] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2024-06-01 00:50:36] [INFO ] Computed 1 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (121 resets) in 8 ms. (1111 steps per ms)
BEST_FIRST walk for 10001 steps (25 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-06-01 00:50:36] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:50:36] [INFO ] Invariant cache hit.
[2024-06-01 00:50:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:50:36] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-01 00:50:36] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:50:36] [INFO ] [Real]Added 41 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:50:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:50:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:50:36] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2024-06-01 00:50:36] [INFO ] [Nat]Added 41 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:50:36] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 23 ms.
[2024-06-01 00:50:36] [INFO ] Added : 4 causal constraints over 2 iterations in 71 ms. Result :sat
Minimization took 209 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Graph (complete) has 915 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 81 transition count 560
Applied a total of 9 rules in 10 ms. Remains 81 /82 variables (removed 1) and now considering 560/568 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 81/82 places, 560/568 transitions.
[2024-06-01 00:50:36] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 176 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2024-06-01 00:50:36] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
// Phase 1: matrix 381 rows 81 cols
[2024-06-01 00:50:36] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000006 steps (11717 resets) in 713 ms. (1400 steps per ms)
BEST_FIRST walk for 1000001 steps (2451 resets) in 382 ms. (2610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:50:38] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:50:38] [INFO ] Invariant cache hit.
[2024-06-01 00:50:38] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 00:50:38] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-01 00:50:38] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:50:38] [INFO ] [Real]Added 41 Read/Feed constraints in 13 ms returned sat
[2024-06-01 00:50:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:50:38] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:50:38] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2024-06-01 00:50:38] [INFO ] [Nat]Added 41 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:50:38] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 21 ms.
[2024-06-01 00:50:38] [INFO ] Added : 2 causal constraints over 1 iterations in 70 ms. Result :sat
Minimization took 199 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 13 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 7 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:50:38] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:50:38] [INFO ] Invariant cache hit.
[2024-06-01 00:50:38] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-06-01 00:50:38] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:50:38] [INFO ] Invariant cache hit.
[2024-06-01 00:50:38] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:50:38] [INFO ] Implicit Places using invariants and state equation in 181 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2024-06-01 00:50:38] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:50:38] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:50:38] [INFO ] Invariant cache hit.
[2024-06-01 00:50:38] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9550 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 39964ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 39969ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40242 ms. Remains : 81/81 places, 560/560 transitions.
[2024-06-01 00:51:18] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 184 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:51:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:51:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11728 resets) in 713 ms. (1400 steps per ms)
BEST_FIRST walk for 1000000 steps (2459 resets) in 378 ms. (2638 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:51:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:51:20] [INFO ] Invariant cache hit.
[2024-06-01 00:51:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:51:20] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2024-06-01 00:51:20] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:51:20] [INFO ] [Real]Added 41 Read/Feed constraints in 16 ms returned sat
[2024-06-01 00:51:20] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:51:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:51:20] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2024-06-01 00:51:20] [INFO ] [Nat]Added 41 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:51:20] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 20 ms.
[2024-06-01 00:51:20] [INFO ] Added : 2 causal constraints over 1 iterations in 59 ms. Result :sat
Minimization took 195 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:51:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:51:20] [INFO ] Invariant cache hit.
[2024-06-01 00:51:20] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-06-01 00:51:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:51:20] [INFO ] Invariant cache hit.
[2024-06-01 00:51:20] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:51:20] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 264 ms to find 0 implicit places.
[2024-06-01 00:51:20] [INFO ] Redundant transitions in 4 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:51:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:51:20] [INFO ] Invariant cache hit.
[2024-06-01 00:51:20] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9468 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 39892ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 39899ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40180 ms. Remains : 81/81 places, 560/560 transitions.
[2024-06-01 00:52:00] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 191 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 40019 steps (470 resets) in 81 ms. (488 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (93 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1412364 steps, run timeout after 3001 ms. (steps per millisecond=470 ) properties seen :0 out of 1
Probabilistic random walk after 1412364 steps, saw 1026403 distinct states, run finished after 3001 ms. (steps per millisecond=470 ) properties seen :0
[2024-06-01 00:52:04] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:04] [INFO ] Invariant cache hit.
[2024-06-01 00:52:04] [INFO ] State equation strengthened by 41 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/418 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 21/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/462 variables, 37/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/385 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/418 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 44/462 variables, 37/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 292ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 560/560 transitions.
RANDOM walk for 40007 steps (463 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (98 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1405476 steps, run timeout after 3001 ms. (steps per millisecond=468 ) properties seen :0 out of 1
Probabilistic random walk after 1405476 steps, saw 1020991 distinct states, run finished after 3001 ms. (steps per millisecond=468 ) properties seen :0
[2024-06-01 00:52:07] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:07] [INFO ] Invariant cache hit.
[2024-06-01 00:52:07] [INFO ] State equation strengthened by 41 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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/418 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 21/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/462 variables, 37/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 138 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/385 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/418 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 44/462 variables, 37/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 292ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 7 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:52:07] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:07] [INFO ] Invariant cache hit.
[2024-06-01 00:52:07] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-06-01 00:52:07] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:07] [INFO ] Invariant cache hit.
[2024-06-01 00:52:07] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:52:07] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2024-06-01 00:52:07] [INFO ] Redundant transitions in 4 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:52:07] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:07] [INFO ] Invariant cache hit.
[2024-06-01 00:52:07] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9456 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 39881ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 39889ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40164 ms. Remains : 81/81 places, 560/560 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 381
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 179 place count 81 transition count 372
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 197 place count 72 transition count 372
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 201 place count 70 transition count 370
Applied a total of 201 rules in 14 ms. Remains 70 /81 variables (removed 11) and now considering 370/560 (removed 190) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 370 rows 70 cols
[2024-06-01 00:52:47] [INFO ] Computed 2 invariants in 4 ms
[2024-06-01 00:52:47] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:52:47] [INFO ] After 105ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-01 00:52:47] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:52:48] [INFO ] After 58ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-06-01 00:52:48] [INFO ] State equation strengthened by 16 read => feed constraints.
[2024-06-01 00:52:48] [INFO ] After 10ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-01 00:52:48] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-01 00:52:48] [INFO ] After 118ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 247 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-02 in 131908 ms.
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-08
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:52:48] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2024-06-01 00:52:48] [INFO ] Computed 1 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (117 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10001 steps (17 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-06-01 00:52:48] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:52:48] [INFO ] Invariant cache hit.
[2024-06-01 00:52:48] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 00:52:48] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-01 00:52:48] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:52:48] [INFO ] [Real]Added 41 Read/Feed constraints in 21 ms returned sat
[2024-06-01 00:52:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:52:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:52:48] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2024-06-01 00:52:48] [INFO ] [Nat]Added 41 Read/Feed constraints in 25 ms returned sat
[2024-06-01 00:52:48] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 25 ms.
[2024-06-01 00:52:48] [INFO ] Added : 0 causal constraints over 0 iterations in 47 ms. Result :sat
Minimization took 130 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Graph (complete) has 915 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 81 transition count 560
Applied a total of 9 rules in 7 ms. Remains 81 /82 variables (removed 1) and now considering 560/568 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 81/82 places, 560/568 transitions.
[2024-06-01 00:52:48] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 177 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-06-01 00:52:48] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
// Phase 1: matrix 381 rows 81 cols
[2024-06-01 00:52:48] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11697 resets) in 724 ms. (1379 steps per ms)
BEST_FIRST walk for 1000001 steps (1869 resets) in 394 ms. (2531 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[17] Max Struct:[+inf]
[2024-06-01 00:52:49] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:49] [INFO ] Invariant cache hit.
[2024-06-01 00:52:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:52:49] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-01 00:52:49] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:52:49] [INFO ] [Real]Added 41 Read/Feed constraints in 10 ms returned sat
[2024-06-01 00:52:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:52:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 00:52:50] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2024-06-01 00:52:50] [INFO ] [Nat]Added 41 Read/Feed constraints in 22 ms returned sat
[2024-06-01 00:52:50] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 22 ms.
[2024-06-01 00:52:50] [INFO ] Added : 2 causal constraints over 2 iterations in 80 ms. Result :sat
Minimization took 170 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[17] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[17] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:52:50] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:50] [INFO ] Invariant cache hit.
[2024-06-01 00:52:50] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-06-01 00:52:50] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:50] [INFO ] Invariant cache hit.
[2024-06-01 00:52:50] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:52:50] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 263 ms to find 0 implicit places.
[2024-06-01 00:52:50] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:52:50] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:52:50] [INFO ] Invariant cache hit.
[2024-06-01 00:52:50] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9508 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 39919ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 39926ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40203 ms. Remains : 81/81 places, 560/560 transitions.
[2024-06-01 00:53:30] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 189 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[17] Max Struct:[+inf]
[2024-06-01 00:53:30] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:53:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[17] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11717 resets) in 716 ms. (1394 steps per ms)
BEST_FIRST walk for 1000000 steps (1839 resets) in 393 ms. (2538 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[17] Max Struct:[+inf]
[2024-06-01 00:53:31] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:53:31] [INFO ] Invariant cache hit.
[2024-06-01 00:53:31] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:53:31] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2024-06-01 00:53:31] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:53:31] [INFO ] [Real]Added 41 Read/Feed constraints in 18 ms returned sat
[2024-06-01 00:53:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:53:31] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:53:32] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2024-06-01 00:53:32] [INFO ] [Nat]Added 41 Read/Feed constraints in 14 ms returned sat
[2024-06-01 00:53:32] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 22 ms.
[2024-06-01 00:53:32] [INFO ] Added : 2 causal constraints over 2 iterations in 70 ms. Result :sat
Minimization took 171 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[17] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[17] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 11 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:53:32] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:53:32] [INFO ] Invariant cache hit.
[2024-06-01 00:53:32] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-06-01 00:53:32] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:53:32] [INFO ] Invariant cache hit.
[2024-06-01 00:53:32] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:53:32] [INFO ] Implicit Places using invariants and state equation in 205 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
[2024-06-01 00:53:32] [INFO ] Redundant transitions in 8 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:53:32] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:53:32] [INFO ] Invariant cache hit.
[2024-06-01 00:53:32] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9416 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 39832ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 39837ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40140 ms. Remains : 81/81 places, 560/560 transitions.
[2024-06-01 00:54:12] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 182 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[17] Max Struct:[+inf]
RANDOM walk for 40009 steps (456 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (71 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1397628 steps, run timeout after 3001 ms. (steps per millisecond=465 ) properties seen :0 out of 1
Probabilistic random walk after 1397628 steps, saw 1014824 distinct states, run finished after 3002 ms. (steps per millisecond=465 ) properties seen :0
[2024-06-01 00:54:15] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:54:15] [INFO ] Invariant cache hit.
[2024-06-01 00:54:15] [INFO ] State equation strengthened by 41 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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 372/390 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/423 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 23/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 39/462 variables, 31/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 372/390 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/390 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/423 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 23/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/462 variables, 31/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 40/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 00:54:16] [INFO ] Deduced a trap composed of 35 places in 104 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/462 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 254 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 382ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/81 places, 560/560 transitions.
RANDOM walk for 40010 steps (454 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (74 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1423689 steps, run timeout after 3001 ms. (steps per millisecond=474 ) properties seen :0 out of 1
Probabilistic random walk after 1423689 steps, saw 1035297 distinct states, run finished after 3001 ms. (steps per millisecond=474 ) properties seen :0
[2024-06-01 00:54:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:54:19] [INFO ] Invariant cache hit.
[2024-06-01 00:54:19] [INFO ] State equation strengthened by 41 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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 372/390 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/423 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 23/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 39/462 variables, 31/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 40/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 17/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 372/390 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/390 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/423 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 23/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/462 variables, 31/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 40/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 00:54:19] [INFO ] Deduced a trap composed of 35 places in 66 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/462 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 361ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2024-06-01 00:54:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:54:19] [INFO ] Invariant cache hit.
[2024-06-01 00:54:19] [INFO ] Implicit Places using invariants in 77 ms returned []
[2024-06-01 00:54:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:54:19] [INFO ] Invariant cache hit.
[2024-06-01 00:54:19] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:54:19] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 266 ms to find 0 implicit places.
[2024-06-01 00:54:19] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2024-06-01 00:54:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2024-06-01 00:54:19] [INFO ] Invariant cache hit.
[2024-06-01 00:54:19] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9737 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 40145ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 40152ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40432 ms. Remains : 81/81 places, 560/560 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 381
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 179 place count 81 transition count 373
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 195 place count 73 transition count 373
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 199 place count 71 transition count 371
Applied a total of 199 rules in 10 ms. Remains 71 /81 variables (removed 10) and now considering 371/560 (removed 189) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 371 rows 71 cols
[2024-06-01 00:55:00] [INFO ] Computed 2 invariants in 3 ms
[2024-06-01 00:55:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:55:00] [INFO ] After 83ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-01 00:55:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 00:55:00] [INFO ] After 57ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-06-01 00:55:00] [INFO ] State equation strengthened by 16 read => feed constraints.
[2024-06-01 00:55:00] [INFO ] After 10ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-01 00:55:00] [INFO ] After 24ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-01 00:55:00] [INFO ] After 115ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 215 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[17] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-08 in 132121 ms.
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-13
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:55:00] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2024-06-01 00:55:00] [INFO ] Computed 1 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (119 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (23 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:55:00] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:00] [INFO ] Invariant cache hit.
[2024-06-01 00:55:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:55:00] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-06-01 00:55:00] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:55:00] [INFO ] [Real]Added 41 Read/Feed constraints in 11 ms returned sat
[2024-06-01 00:55:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:55:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:55:00] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2024-06-01 00:55:00] [INFO ] [Nat]Added 41 Read/Feed constraints in 14 ms returned sat
[2024-06-01 00:55:00] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 22 ms.
[2024-06-01 00:55:00] [INFO ] Added : 0 causal constraints over 0 iterations in 43 ms. Result :sat
Minimization took 151 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Graph (complete) has 915 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 81 /82 variables (removed 1) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/82 places, 568/568 transitions.
[2024-06-01 00:55:00] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {10=1, 15=1, 28=1, 286=1, 371=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 284=1, 370=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 185 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:55:00] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 81 cols
[2024-06-01 00:55:00] [INFO ] Computed 1 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11731 resets) in 751 ms. (1329 steps per ms)
BEST_FIRST walk for 1000001 steps (2417 resets) in 387 ms. (2577 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:55:01] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:01] [INFO ] Invariant cache hit.
[2024-06-01 00:55:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:55:02] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-06-01 00:55:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:55:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 00:55:02] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2024-06-01 00:55:02] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:55:02] [INFO ] [Nat]Added 41 Read/Feed constraints in 23 ms returned sat
[2024-06-01 00:55:02] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 25 ms.
[2024-06-01 00:55:02] [INFO ] Added : 0 causal constraints over 0 iterations in 47 ms. Result :sat
Minimization took 154 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/81 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2024-06-01 00:55:02] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:02] [INFO ] Invariant cache hit.
[2024-06-01 00:55:02] [INFO ] Implicit Places using invariants in 84 ms returned []
[2024-06-01 00:55:02] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:02] [INFO ] Invariant cache hit.
[2024-06-01 00:55:02] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:55:02] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
[2024-06-01 00:55:02] [INFO ] Redundant transitions in 3 ms returned []
Running 566 sub problems to find dead transitions.
[2024-06-01 00:55:02] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:02] [INFO ] Invariant cache hit.
[2024-06-01 00:55:02] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 566 unsolved in 12563 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 566/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 6 (OVERLAPS) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 689 constraints, problems are : Problem set: 0 solved, 566 unsolved in 30006 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 42968ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 42973ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43284 ms. Remains : 81/81 places, 568/568 transitions.
[2024-06-01 00:55:45] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {10=1, 15=1, 28=1, 286=1, 371=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 284=1, 370=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 182 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:55:45] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000001 steps (11758 resets) in 724 ms. (1379 steps per ms)
BEST_FIRST walk for 1000001 steps (2381 resets) in 390 ms. (2557 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:55:46] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:46] [INFO ] Invariant cache hit.
[2024-06-01 00:55:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:55:47] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-06-01 00:55:47] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:55:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 00:55:47] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2024-06-01 00:55:47] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:55:47] [INFO ] [Nat]Added 41 Read/Feed constraints in 23 ms returned sat
[2024-06-01 00:55:47] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 23 ms.
[2024-06-01 00:55:47] [INFO ] Added : 0 causal constraints over 0 iterations in 45 ms. Result :sat
Minimization took 154 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2024-06-01 00:55:47] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:47] [INFO ] Invariant cache hit.
[2024-06-01 00:55:47] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-06-01 00:55:47] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:47] [INFO ] Invariant cache hit.
[2024-06-01 00:55:47] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:55:47] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
[2024-06-01 00:55:47] [INFO ] Redundant transitions in 3 ms returned []
Running 566 sub problems to find dead transitions.
[2024-06-01 00:55:47] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:55:47] [INFO ] Invariant cache hit.
[2024-06-01 00:55:47] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 566 unsolved in 12871 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 566/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 6 (OVERLAPS) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 689 constraints, problems are : Problem set: 0 solved, 566 unsolved in 29974 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 43238ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 43243ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43525 ms. Remains : 81/81 places, 568/568 transitions.
[2024-06-01 00:56:30] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {10=1, 15=1, 28=1, 286=1, 371=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 284=1, 370=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 192 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40000 steps (462 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1394680 steps, run timeout after 3001 ms. (steps per millisecond=464 ) properties seen :0 out of 1
Probabilistic random walk after 1394680 steps, saw 1018825 distinct states, run finished after 3001 ms. (steps per millisecond=464 ) properties seen :0
[2024-06-01 00:56:34] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:56:34] [INFO ] Invariant cache hit.
[2024-06-01 00:56:34] [INFO ] State equation strengthened by 41 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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 279/293 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 171/464 variables, 58/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/464 variables, 41/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/464 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/470 variables, 6/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 279/293 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 171/464 variables, 58/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/464 variables, 41/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/464 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/464 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/470 variables, 6/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/470 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 157 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 284ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/81 places, 568/568 transitions.
RANDOM walk for 40007 steps (459 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (100 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1412870 steps, run timeout after 3001 ms. (steps per millisecond=470 ) properties seen :0 out of 1
Probabilistic random walk after 1412870 steps, saw 1033116 distinct states, run finished after 3001 ms. (steps per millisecond=470 ) properties seen :0
[2024-06-01 00:56:37] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:56:37] [INFO ] Invariant cache hit.
[2024-06-01 00:56:37] [INFO ] State equation strengthened by 41 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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 279/293 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 171/464 variables, 58/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/464 variables, 41/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/464 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/470 variables, 6/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 1 unsolved in 126 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 279/293 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 171/464 variables, 58/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/464 variables, 41/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/464 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/464 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/470 variables, 6/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/470 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 302ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 28 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/81 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2024-06-01 00:56:37] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:56:37] [INFO ] Invariant cache hit.
[2024-06-01 00:56:37] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-06-01 00:56:37] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:56:37] [INFO ] Invariant cache hit.
[2024-06-01 00:56:37] [INFO ] State equation strengthened by 41 read => feed constraints.
[2024-06-01 00:56:38] [INFO ] Implicit Places using invariants and state equation in 207 ms returned []
Implicit Place search using SMT with State Equation took 272 ms to find 0 implicit places.
[2024-06-01 00:56:38] [INFO ] Redundant transitions in 4 ms returned []
Running 566 sub problems to find dead transitions.
[2024-06-01 00:56:38] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2024-06-01 00:56:38] [INFO ] Invariant cache hit.
[2024-06-01 00:56:38] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 566 unsolved in 12789 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 566/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 6 (OVERLAPS) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 689 constraints, problems are : Problem set: 0 solved, 566 unsolved in 30008 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 43189ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 43198ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43486 ms. Remains : 81/81 places, 568/568 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 389
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 179 place count 81 transition count 381
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 195 place count 73 transition count 381
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 199 place count 71 transition count 379
Applied a total of 199 rules in 13 ms. Remains 71 /81 variables (removed 10) and now considering 379/568 (removed 189) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 379 rows 71 cols
[2024-06-01 00:57:21] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 00:57:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 00:57:21] [INFO ] After 83ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-01 00:57:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 00:57:21] [INFO ] After 59ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-06-01 00:57:21] [INFO ] State equation strengthened by 16 read => feed constraints.
[2024-06-01 00:57:21] [INFO ] After 10ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-01 00:57:21] [INFO ] After 34ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-01 00:57:21] [INFO ] After 127ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 228 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-13 in 141246 ms.
[2024-06-01 00:57:21] [INFO ] Flatten gal took : 75 ms
[2024-06-01 00:57:21] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/UpperBounds.sr.xml took 6 ms.
[2024-06-01 00:57:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 82 places, 568 transitions and 2240 arcs took 5 ms.
Total runtime 714696 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : DoubleLock-PT-p3s2-UpperBounds-01
Could not compute solution for formula : DoubleLock-PT-p3s2-UpperBounds-02
Could not compute solution for formula : DoubleLock-PT-p3s2-UpperBounds-08
Could not compute solution for formula : DoubleLock-PT-p3s2-UpperBounds-13

BK_STOP 1717203441956

--------------------
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 DoubleLock-PT-p3s2-UpperBounds-01
ub formula formula --maxsum=/tmp/1180/ub_0_
ub formula name DoubleLock-PT-p3s2-UpperBounds-02
ub formula formula --maxsum=/tmp/1180/ub_1_
ub formula name DoubleLock-PT-p3s2-UpperBounds-08
ub formula formula --maxsum=/tmp/1180/ub_2_
ub formula name DoubleLock-PT-p3s2-UpperBounds-13
ub formula formula --maxsum=/tmp/1180/ub_3_
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="DoubleLock-PT-p3s2"
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 DoubleLock-PT-p3s2, 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 r488-tall-171631133100637"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s2.tgz
mv DoubleLock-PT-p3s2 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;