Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r472-tajo-171620399000205.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is BridgeAndVehicles-PT-V20P20N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r472-tajo-171620399000205
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 15K Apr 13 01:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K Apr 13 01:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 52K Apr 13 01:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 220K Apr 13 01:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 35K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 26K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 86K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 25K Apr 13 01:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 181K Apr 13 01:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 156K Apr 13 01:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 648K Apr 13 01:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.1K Apr 22 14:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 434K 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 BridgeAndVehicles-PT-V20P20N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-PT-V20P20N10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717220082614

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V20P20N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:34:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 05:34:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:34:44] [INFO ] Load time of PNML (sax parser for PT used): 140 ms
[2024-06-01 05:34:44] [INFO ] Transformed 68 places.
[2024-06-01 05:34:44] [INFO ] Transformed 548 transitions.
[2024-06-01 05:34:44] [INFO ] Parsed PT model containing 68 places and 548 transitions and 4070 arcs in 341 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Reduction of identical properties reduced properties to check from 16 to 13
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 20, 20, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 20, 20, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 05:34:44] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 68 cols
[2024-06-01 05:34:45] [INFO ] Computed 7 invariants in 18 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 20, 20, 0, 0, 0, 0, 0, 0] Max Struct:[20, 2, 2, 20, 20, 20, 1, 20, 1, 20, 1]
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-15 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-07 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-05 20 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (56 resets) in 88 ms. (112 steps per ms)
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-11 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-08 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-10 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-00 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (65 resets) in 235 ms. (127 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 10] Max Struct:[2, 2, 20]
[2024-06-01 05:34:45] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
[2024-06-01 05:34:45] [INFO ] Invariant cache hit.
[2024-06-01 05:34:45] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned unsat
[2024-06-01 05:34:45] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned unsat
[2024-06-01 05:34:45] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-06-01 05:34:45] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2024-06-01 05:34:45] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:34:45] [INFO ] [Real]Added 22 Read/Feed constraints in 28 ms returned sat
[2024-06-01 05:34:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:34:45] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2024-06-01 05:34:45] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-06-01 05:34:45] [INFO ] [Nat]Added 22 Read/Feed constraints in 17 ms returned sat
[2024-06-01 05:34:46] [INFO ] Computed and/alt/rep : 50/98/50 causal constraints (skipped 77 transitions) in 60 ms.
[2024-06-01 05:34:46] [INFO ] Deduced a trap composed of 15 places in 152 ms of which 17 ms to minimize.
[2024-06-01 05:34:46] [INFO ] Deduced a trap composed of 5 places in 157 ms of which 2 ms to minimize.
[2024-06-01 05:34:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 349 ms
[2024-06-01 05:34:46] [INFO ] Added : 11 causal constraints over 3 iterations in 514 ms. Result :sat
Minimization took 85 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 10] Max Struct:[1, 1, 20]
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P20N10-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 548/548 transitions.
Graph (complete) has 562 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 65 transition count 547
Applied a total of 3 rules in 125 ms. Remains 65 /68 variables (removed 3) and now considering 547/548 (removed 1) transitions.
Running 544 sub problems to find dead transitions.
[2024-06-01 05:34:46] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
// Phase 1: matrix 129 rows 65 cols
[2024-06-01 05:34:46] [INFO ] Computed 5 invariants in 1 ms
[2024-06-01 05:34:46] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 544 unsolved
[2024-06-01 05:34:50] [INFO ] Deduced a trap composed of 5 places in 521 ms of which 23 ms to minimize.
[2024-06-01 05:34:52] [INFO ] Deduced a trap composed of 15 places in 496 ms of which 28 ms to minimize.
Problem TDEAD287 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD289 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD291 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD293 is UNSAT
Problem TDEAD294 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD297 is UNSAT
Problem TDEAD298 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD300 is UNSAT
Problem TDEAD301 is UNSAT
Problem TDEAD302 is UNSAT
Problem TDEAD303 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD305 is UNSAT
Problem TDEAD306 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/7 constraints. Problems are: Problem set: 20 solved, 524 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 20 solved, 524 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD44 is UNSAT
At refinement iteration 3 (OVERLAPS) 129/194 variables, 65/72 constraints. Problems are: Problem set: 22 solved, 522 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 22/94 constraints. Problems are: Problem set: 22 solved, 522 unsolved
[2024-06-01 05:34:57] [INFO ] Deduced a trap composed of 14 places in 84 ms of which 1 ms to minimize.
Problem TDEAD67 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD166 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD188 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD243 is UNSAT
Problem TDEAD254 is UNSAT
Problem TDEAD265 is UNSAT
Problem TDEAD276 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 1/95 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/95 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/95 constraints. Problems are: Problem set: 42 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 95 constraints, problems are : Problem set: 42 solved, 502 unsolved in 16554 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 65/65 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 544/544 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 42 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 3/8 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 129/194 variables, 65/73 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 22/95 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 502/597 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/597 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/597 constraints. Problems are: Problem set: 42 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 597 constraints, problems are : Problem set: 42 solved, 502 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 65/65 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 502/544 constraints, Known Traps: 3/3 constraints]
After SMT, in 38230ms problems are : Problem set: 42 solved, 502 unsolved
Search for dead transitions found 42 dead transitions in 38281ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 42 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 65/68 places, 505/548 transitions.
Applied a total of 0 rules in 26 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38463 ms. Remains : 65/68 places, 505/548 transitions.
[2024-06-01 05:35:25] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 65 cols
[2024-06-01 05:35:25] [INFO ] Computed 7 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (6490 resets) in 2492 ms. (401 steps per ms)
BEST_FIRST walk for 1000001 steps (2549 resets) in 903 ms. (1106 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-06-01 05:35:28] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:35:28] [INFO ] Invariant cache hit.
[2024-06-01 05:35:28] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2024-06-01 05:35:28] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 05:35:28] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-06-01 05:35:28] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:35:28] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2024-06-01 05:35:28] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 05:35:28] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-06-01 05:35:28] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:35:28] [INFO ] [Nat]Added 20 Read/Feed constraints in 7 ms returned sat
[2024-06-01 05:35:28] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 36 ms.
[2024-06-01 05:35:29] [INFO ] Deduced a trap composed of 5 places in 191 ms of which 2 ms to minimize.
[2024-06-01 05:35:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 210 ms
[2024-06-01 05:35:29] [INFO ] Added : 11 causal constraints over 3 iterations in 327 ms. Result :sat
Minimization took 57 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 25 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 65/65 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 33 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2024-06-01 05:35:29] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:35:29] [INFO ] Invariant cache hit.
[2024-06-01 05:35:29] [INFO ] Implicit Places using invariants in 272 ms returned [22, 48]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 278 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 63/65 places, 505/505 transitions.
Applied a total of 0 rules in 17 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 328 ms. Remains : 63/65 places, 505/505 transitions.
[2024-06-01 05:35:29] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2024-06-01 05:35:29] [INFO ] Computed 5 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (6490 resets) in 2130 ms. (469 steps per ms)
BEST_FIRST walk for 1000001 steps (2547 resets) in 935 ms. (1068 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-06-01 05:35:32] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:35:32] [INFO ] Invariant cache hit.
[2024-06-01 05:35:32] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:35:32] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-06-01 05:35:32] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:35:32] [INFO ] [Real]Added 20 Read/Feed constraints in 6 ms returned sat
[2024-06-01 05:35:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:35:32] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:35:32] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-06-01 05:35:32] [INFO ] [Nat]Added 20 Read/Feed constraints in 5 ms returned sat
[2024-06-01 05:35:32] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 24 ms.
[2024-06-01 05:35:32] [INFO ] Added : 11 causal constraints over 3 iterations in 79 ms. Result :sat
Minimization took 96 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 19 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 63/63 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 17 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2024-06-01 05:35:33] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:35:33] [INFO ] Invariant cache hit.
[2024-06-01 05:35:33] [INFO ] Implicit Places using invariants in 167 ms returned []
[2024-06-01 05:35:33] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:35:33] [INFO ] Invariant cache hit.
[2024-06-01 05:35:33] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:35:33] [INFO ] Implicit Places using invariants and state equation in 196 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
[2024-06-01 05:35:33] [INFO ] Redundant transitions in 22 ms returned []
Running 502 sub problems to find dead transitions.
[2024-06-01 05:35:33] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:35:33] [INFO ] Invariant cache hit.
[2024-06-01 05:35:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:35:35] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10934 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:35:51] [INFO ] Deduced a trap composed of 15 places in 90 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:35:59] [INFO ] Deduced a trap composed of 14 places in 83 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 41865ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 41872ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42286 ms. Remains : 63/63 places, 505/505 transitions.
RANDOM walk for 40000 steps (257 resets) in 1114 ms. (35 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (100 resets) in 336 ms. (118 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (100 resets) in 195 ms. (204 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 690802 steps, run timeout after 3001 ms. (steps per millisecond=230 ) properties seen :0 out of 2
Probabilistic random walk after 690802 steps, saw 170457 distinct states, run finished after 3009 ms. (steps per millisecond=229 ) properties seen :0
[2024-06-01 05:36:19] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:36:19] [INFO ] Invariant cache hit.
[2024-06-01 05:36:19] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/23 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/92 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:36:19] [INFO ] Deduced a trap composed of 4 places in 100 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 54/146 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/146 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/146 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 41/187 variables, 21/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/187 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/187 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 2 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/23 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/92 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 54/146 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/146 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 10/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/146 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 41/187 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/187 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/187 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/187 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/188 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/188 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/188 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 91 constraints, problems are : Problem set: 0 solved, 2 unsolved in 273 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 634ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 206 ms.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 17 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-06-01 05:36:20] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:36:20] [INFO ] Invariant cache hit.
[2024-06-01 05:36:20] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:36:21] [INFO ] Deduced a trap composed of 5 places in 87 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9632 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:36:36] [INFO ] Deduced a trap composed of 15 places in 128 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:36:45] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 30539ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 30546ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30567 ms. Remains : 63/63 places, 505/505 transitions.
RANDOM walk for 40000 steps (257 resets) in 208 ms. (191 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (101 resets) in 145 ms. (273 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (100 resets) in 132 ms. (300 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 700612 steps, run timeout after 3001 ms. (steps per millisecond=233 ) properties seen :0 out of 2
Probabilistic random walk after 700612 steps, saw 172634 distinct states, run finished after 3001 ms. (steps per millisecond=233 ) properties seen :0
[2024-06-01 05:36:53] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:36:53] [INFO ] Invariant cache hit.
[2024-06-01 05:36:53] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/23 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/92 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:36:53] [INFO ] Deduced a trap composed of 4 places in 54 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 54/146 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/146 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/146 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 41/187 variables, 21/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/187 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/187 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 2 unsolved in 230 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/23 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/92 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 54/146 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/146 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 10/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/146 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 41/187 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/187 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/187 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/187 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/188 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/188 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/188 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 91 constraints, problems are : Problem set: 0 solved, 2 unsolved in 228 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 467ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 109 ms.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 12 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 63/63 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 12 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2024-06-01 05:36:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:36:54] [INFO ] Invariant cache hit.
[2024-06-01 05:36:54] [INFO ] Implicit Places using invariants in 127 ms returned []
[2024-06-01 05:36:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:36:54] [INFO ] Invariant cache hit.
[2024-06-01 05:36:54] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:36:54] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
[2024-06-01 05:36:54] [INFO ] Redundant transitions in 11 ms returned []
Running 502 sub problems to find dead transitions.
[2024-06-01 05:36:54] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:36:54] [INFO ] Invariant cache hit.
[2024-06-01 05:36:54] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:36:56] [INFO ] Deduced a trap composed of 5 places in 79 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:37:12] [INFO ] Deduced a trap composed of 15 places in 95 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:37:21] [INFO ] Deduced a trap composed of 14 places in 91 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 40961ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40967ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41307 ms. Remains : 63/63 places, 505/505 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Iterating post reduction 0 with 380 rules applied. Total rules applied 380 place count 63 transition count 125
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 384 place count 61 transition count 123
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 386 place count 61 transition count 121
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 388 place count 59 transition count 121
Applied a total of 388 rules in 12 ms. Remains 59 /63 variables (removed 4) and now considering 121/505 (removed 384) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 121 rows 59 cols
[2024-06-01 05:37:35] [INFO ] Computed 5 invariants in 3 ms
[2024-06-01 05:37:35] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-06-01 05:37:35] [INFO ] After 91ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-06-01 05:37:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-06-01 05:37:35] [INFO ] After 33ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-06-01 05:37:35] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 05:37:35] [INFO ] After 9ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-06-01 05:37:35] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-06-01 05:37:35] [INFO ] After 95ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 219 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[20]
Starting property specific reduction for BridgeAndVehicles-PT-V20P20N10-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:[20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[20]
[2024-06-01 05:37:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
// Phase 1: matrix 125 rows 63 cols
[2024-06-01 05:37:35] [INFO ] Computed 5 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[20]
RANDOM walk for 10000 steps (64 resets) in 21 ms. (454 steps per ms)
BEST_FIRST walk for 10001 steps (25 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-06-01 05:37:35] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:37:35] [INFO ] Invariant cache hit.
[2024-06-01 05:37:35] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:37:35] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-06-01 05:37:35] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:37:35] [INFO ] [Real]Added 20 Read/Feed constraints in 7 ms returned sat
[2024-06-01 05:37:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:37:36] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:37:36] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-06-01 05:37:36] [INFO ] [Nat]Added 20 Read/Feed constraints in 5 ms returned sat
[2024-06-01 05:37:36] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 14 ms.
[2024-06-01 05:37:36] [INFO ] Added : 11 causal constraints over 3 iterations in 52 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 16 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-06-01 05:37:36] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:37:36] [INFO ] Invariant cache hit.
[2024-06-01 05:37:36] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:37:38] [INFO ] Deduced a trap composed of 5 places in 97 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9952 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:37:52] [INFO ] Deduced a trap composed of 15 places in 116 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:38:00] [INFO ] Deduced a trap composed of 14 places in 92 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 31003ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 31009ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31027 ms. Remains : 63/63 places, 505/505 transitions.
[2024-06-01 05:38:07] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:38:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (6490 resets) in 2212 ms. (451 steps per ms)
BEST_FIRST walk for 1000001 steps (2552 resets) in 846 ms. (1180 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-06-01 05:38:10] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:38:10] [INFO ] Invariant cache hit.
[2024-06-01 05:38:10] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:38:10] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-06-01 05:38:10] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:38:10] [INFO ] [Real]Added 20 Read/Feed constraints in 13 ms returned sat
[2024-06-01 05:38:10] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:38:10] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:38:10] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-06-01 05:38:10] [INFO ] [Nat]Added 20 Read/Feed constraints in 7 ms returned sat
[2024-06-01 05:38:10] [INFO ] Computed and/alt/rep : 48/96/48 causal constraints (skipped 74 transitions) in 21 ms.
[2024-06-01 05:38:10] [INFO ] Added : 11 causal constraints over 3 iterations in 61 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 25 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 63/63 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 20 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2024-06-01 05:38:10] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:38:10] [INFO ] Invariant cache hit.
[2024-06-01 05:38:11] [INFO ] Implicit Places using invariants in 189 ms returned []
[2024-06-01 05:38:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:38:11] [INFO ] Invariant cache hit.
[2024-06-01 05:38:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:38:11] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 428 ms to find 0 implicit places.
[2024-06-01 05:38:11] [INFO ] Redundant transitions in 5 ms returned []
Running 502 sub problems to find dead transitions.
[2024-06-01 05:38:11] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:38:11] [INFO ] Invariant cache hit.
[2024-06-01 05:38:11] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:38:13] [INFO ] Deduced a trap composed of 5 places in 72 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10461 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:38:28] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:38:37] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 41263ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 41271ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41750 ms. Remains : 63/63 places, 505/505 transitions.
RANDOM walk for 40000 steps (256 resets) in 193 ms. (206 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40005 steps (100 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (100 resets) in 80 ms. (493 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 618736 steps, run timeout after 3001 ms. (steps per millisecond=206 ) properties seen :0 out of 2
Probabilistic random walk after 618736 steps, saw 153712 distinct states, run finished after 3001 ms. (steps per millisecond=206 ) properties seen :0
[2024-06-01 05:38:55] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:38:55] [INFO ] Invariant cache hit.
[2024-06-01 05:38:55] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/23 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/92 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:38:55] [INFO ] Deduced a trap composed of 4 places in 56 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 54/146 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/146 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/146 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 41/187 variables, 21/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/187 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/187 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 2 unsolved in 186 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/23 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/92 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 54/146 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/146 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 10/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/146 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 41/187 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/187 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/187 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/187 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/188 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/188 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/188 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 91 constraints, problems are : Problem set: 0 solved, 2 unsolved in 204 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 399ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 123 ms.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 10 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Running 502 sub problems to find dead transitions.
[2024-06-01 05:38:56] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:38:56] [INFO ] Invariant cache hit.
[2024-06-01 05:38:56] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:38:58] [INFO ] Deduced a trap composed of 5 places in 62 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 10010 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:39:13] [INFO ] Deduced a trap composed of 15 places in 109 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:39:22] [INFO ] Deduced a trap composed of 14 places in 88 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 30708ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 30712ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30724 ms. Remains : 63/63 places, 505/505 transitions.
RANDOM walk for 40000 steps (258 resets) in 233 ms. (170 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (100 resets) in 70 ms. (563 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (100 resets) in 69 ms. (571 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 681140 steps, run timeout after 3001 ms. (steps per millisecond=226 ) properties seen :0 out of 2
Probabilistic random walk after 681140 steps, saw 168202 distinct states, run finished after 3002 ms. (steps per millisecond=226 ) properties seen :0
[2024-06-01 05:39:30] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:39:30] [INFO ] Invariant cache hit.
[2024-06-01 05:39:30] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/23 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/92 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:39:30] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 54/146 variables, 16/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/146 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/146 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 41/187 variables, 21/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/187 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/187 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 2 unsolved in 182 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 21/23 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/92 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 54/146 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/146 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/146 variables, 10/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/146 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 41/187 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/187 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/187 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/187 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/188 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/188 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/188 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 91 constraints, problems are : Problem set: 0 solved, 2 unsolved in 182 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 375ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 131 ms.
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 22 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 63/63 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 505/505 transitions.
Applied a total of 0 rules in 19 ms. Remains 63 /63 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2024-06-01 05:39:30] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:39:30] [INFO ] Invariant cache hit.
[2024-06-01 05:39:30] [INFO ] Implicit Places using invariants in 105 ms returned []
[2024-06-01 05:39:30] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:39:30] [INFO ] Invariant cache hit.
[2024-06-01 05:39:30] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:39:30] [INFO ] Implicit Places using invariants and state equation in 169 ms returned []
Implicit Place search using SMT with State Equation took 276 ms to find 0 implicit places.
[2024-06-01 05:39:30] [INFO ] Redundant transitions in 3 ms returned []
Running 502 sub problems to find dead transitions.
[2024-06-01 05:39:30] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2024-06-01 05:39:30] [INFO ] Invariant cache hit.
[2024-06-01 05:39:30] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:39:32] [INFO ] Deduced a trap composed of 5 places in 87 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 89 constraints, problems are : Problem set: 0 solved, 502 unsolved in 9688 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/188 variables, 63/69 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 20/89 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 502/591 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:39:47] [INFO ] Deduced a trap composed of 15 places in 84 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/188 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 502 unsolved
[2024-06-01 05:39:56] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/188 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/188 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 188/188 variables, and 593 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 63/63 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 3/3 constraints]
After SMT, in 40731ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 40739ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41047 ms. Remains : 63/63 places, 505/505 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Iterating post reduction 0 with 380 rules applied. Total rules applied 380 place count 63 transition count 125
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 384 place count 61 transition count 123
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 386 place count 61 transition count 121
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 388 place count 59 transition count 121
Applied a total of 388 rules in 11 ms. Remains 59 /63 variables (removed 4) and now considering 121/505 (removed 384) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 121 rows 59 cols
[2024-06-01 05:40:11] [INFO ] Computed 5 invariants in 2 ms
[2024-06-01 05:40:11] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:40:11] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-06-01 05:40:11] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:40:11] [INFO ] After 64ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2024-06-01 05:40:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-06-01 05:40:11] [INFO ] After 14ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2024-06-01 05:40:11] [INFO ] After 32ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2024-06-01 05:40:11] [INFO ] After 148ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 234 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[20]
Ending property specific reduction for BridgeAndVehicles-PT-V20P20N10-UpperBounds-13 in 156072 ms.
[2024-06-01 05:40:12] [INFO ] Flatten gal took : 84 ms
[2024-06-01 05:40:12] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-06-01 05:40:12] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 63 places, 505 transitions and 3658 arcs took 9 ms.
Total runtime 327728 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=]
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[-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=]
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[--next-union] [--peak-nodes] [--maxsum=]
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[OPTIONS] []
Could not compute solution for formula : BridgeAndVehicles-PT-V20P20N10-UpperBounds-13

BK_STOP 1717220412471

--------------------
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 BridgeAndVehicles-PT-V20P20N10-UpperBounds-13
ub formula formula --maxsum=/tmp/866/ub_0_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-PT-V20P20N10"
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 BridgeAndVehicles-PT-V20P20N10, 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 r472-tajo-171620399000205"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P20N10.tgz
mv BridgeAndVehicles-PT-V20P20N10 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 ;