fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r472-tajo-171620399100253
Last Updated
July 7, 2024

About the Execution of LTSMin+red for BridgeAndVehicles-PT-V50P50N10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
12552.644 536643.00 650624.00 155.30 50 50 50 1 50 50 1 50 1 50 ? 50 50 1 50 50 normal

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-171620399100253.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-V50P50N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r472-tajo-171620399100253
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.2M
-rw-r--r-- 1 mcc users 18K Apr 13 02:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K Apr 13 02:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 129K Apr 13 02:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 529K Apr 13 02:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.4K Apr 22 14:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 34K Apr 22 14:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 77K Apr 22 14:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 227K Apr 22 14:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 44K Apr 13 02:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 264K Apr 13 02:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 133K Apr 13 02:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 514K Apr 13 02:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.7K Apr 22 14:30 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 1.1M 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-V50P50N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-PT-V50P50N10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717221219879

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-V50P50N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:53:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 05:53:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:53:41] [INFO ] Load time of PNML (sax parser for PT used): 158 ms
[2024-06-01 05:53:41] [INFO ] Transformed 128 places.
[2024-06-01 05:53:41] [INFO ] Transformed 1328 transitions.
[2024-06-01 05:53:41] [INFO ] Parsed PT model containing 128 places and 1328 transitions and 10010 arcs in 287 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Reduction of identical properties reduced properties to check from 16 to 11
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[50, 0, 50, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[50, 0, 50, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 05:53:41] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 128 cols
[2024-06-01 05:53:41] [INFO ] Computed 7 invariants in 26 ms
Current structural bounds on expressions (after invariants) : Max Seen:[50, 0, 50, 0, 0, 0, 0, 0, 0] Max Struct:[50, 50, 50, 50, 1, 50, 50, 1, 50]
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-15 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-02 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-11 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-00 50 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (22 resets) in 225 ms. (44 steps per ms)
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-14 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-07 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-05 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-09 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-04 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-12 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-PT-V50P50N10-UpperBounds-01 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (19 resets) in 63 ms. (312 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[50]
[2024-06-01 05:53:42] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2024-06-01 05:53:42] [INFO ] Invariant cache hit.
[2024-06-01 05:53:42] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2024-06-01 05:53:42] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-06-01 05:53:42] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:53:42] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2024-06-01 05:53:42] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2024-06-01 05:53:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:53:42] [INFO ] [Nat]Added 22 Read/Feed constraints in 24 ms returned sat
[2024-06-01 05:53:43] [INFO ] Deduced a trap composed of 15 places in 271 ms of which 21 ms to minimize.
[2024-06-01 05:53:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 374 ms
[2024-06-01 05:53:43] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 134 ms.
[2024-06-01 05:53:43] [INFO ] Deduced a trap composed of 14 places in 369 ms of which 2 ms to minimize.
[2024-06-01 05:53:44] [INFO ] Deduced a trap composed of 5 places in 219 ms of which 2 ms to minimize.
[2024-06-01 05:53:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 645 ms
[2024-06-01 05:53:44] [INFO ] Added : 10 causal constraints over 2 iterations in 945 ms. Result :sat
Minimization took 114 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[50]
Support contains 1 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Graph (complete) has 1222 edges and 128 vertex of which 126 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.7 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 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 125 transition count 1327
Applied a total of 3 rules in 191 ms. Remains 125 /128 variables (removed 3) and now considering 1327/1328 (removed 1) transitions.
Running 1324 sub problems to find dead transitions.
[2024-06-01 05:53:44] [INFO ] Flow matrix only has 249 transitions (discarded 1078 similar events)
// Phase 1: matrix 249 rows 125 cols
[2024-06-01 05:53:44] [INFO ] Computed 5 invariants in 5 ms
[2024-06-01 05:53:44] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1324 unsolved
[2024-06-01 05:53:56] [INFO ] Deduced a trap composed of 5 places in 185 ms of which 1 ms to minimize.
[2024-06-01 05:54:01] [INFO ] Deduced a trap composed of 15 places in 117 ms of which 1 ms to minimize.
Problem TDEAD677 is UNSAT
Problem TDEAD678 is UNSAT
Problem TDEAD679 is UNSAT
Problem TDEAD680 is UNSAT
Problem TDEAD681 is UNSAT
Problem TDEAD682 is UNSAT
Problem TDEAD683 is UNSAT
Problem TDEAD684 is UNSAT
Problem TDEAD685 is UNSAT
Problem TDEAD686 is UNSAT
Problem TDEAD687 is UNSAT
Problem TDEAD688 is UNSAT
Problem TDEAD689 is UNSAT
Problem TDEAD690 is UNSAT
Problem TDEAD691 is UNSAT
Problem TDEAD692 is UNSAT
Problem TDEAD693 is UNSAT
Problem TDEAD694 is UNSAT
Problem TDEAD695 is UNSAT
Problem TDEAD696 is UNSAT
Problem TDEAD697 is UNSAT
Problem TDEAD698 is UNSAT
Problem TDEAD699 is UNSAT
Problem TDEAD700 is UNSAT
Problem TDEAD701 is UNSAT
Problem TDEAD702 is UNSAT
Problem TDEAD703 is UNSAT
Problem TDEAD704 is UNSAT
Problem TDEAD705 is UNSAT
Problem TDEAD706 is UNSAT
Problem TDEAD707 is UNSAT
Problem TDEAD708 is UNSAT
Problem TDEAD709 is UNSAT
Problem TDEAD710 is UNSAT
Problem TDEAD711 is UNSAT
Problem TDEAD712 is UNSAT
Problem TDEAD713 is UNSAT
Problem TDEAD714 is UNSAT
Problem TDEAD715 is UNSAT
Problem TDEAD716 is UNSAT
Problem TDEAD717 is UNSAT
Problem TDEAD718 is UNSAT
Problem TDEAD719 is UNSAT
Problem TDEAD720 is UNSAT
Problem TDEAD721 is UNSAT
Problem TDEAD722 is UNSAT
Problem TDEAD723 is UNSAT
Problem TDEAD724 is UNSAT
Problem TDEAD725 is UNSAT
Problem TDEAD726 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 2/7 constraints. Problems are: Problem set: 50 solved, 1274 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/374 variables, and 7 constraints, problems are : Problem set: 50 solved, 1274 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/125 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1324/1324 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 50 solved, 1274 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 5/5 constraints. Problems are: Problem set: 50 solved, 1274 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 2/7 constraints. Problems are: Problem set: 50 solved, 1274 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 0/7 constraints. Problems are: Problem set: 50 solved, 1274 unsolved
Problem TDEAD50 is UNSAT
Problem TDEAD104 is UNSAT
At refinement iteration 3 (OVERLAPS) 249/374 variables, 125/132 constraints. Problems are: Problem set: 52 solved, 1272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/374 variables, 22/154 constraints. Problems are: Problem set: 52 solved, 1272 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 374/374 variables, and 1426 constraints, problems are : Problem set: 52 solved, 1272 unsolved in 21856 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 125/125 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1272/1324 constraints, Known Traps: 2/2 constraints]
After SMT, in 48825ms problems are : Problem set: 52 solved, 1272 unsolved
Search for dead transitions found 52 dead transitions in 48863ms
Found 52 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 52 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 52 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 125/128 places, 1275/1328 transitions.
Applied a total of 0 rules in 76 ms. Remains 125 /125 variables (removed 0) and now considering 1275/1275 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49158 ms. Remains : 125/128 places, 1275/1328 transitions.
[2024-06-01 05:54:33] [INFO ] Flow matrix only has 246 transitions (discarded 1029 similar events)
// Phase 1: matrix 246 rows 125 cols
[2024-06-01 05:54:33] [INFO ] Computed 7 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[50]
RANDOM walk for 1000000 steps (2622 resets) in 4281 ms. (233 steps per ms)
BEST_FIRST walk for 1000000 steps (1086 resets) in 1700 ms. (587 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:54:39] [INFO ] Flow matrix only has 246 transitions (discarded 1029 similar events)
[2024-06-01 05:54:39] [INFO ] Invariant cache hit.
[2024-06-01 05:54:39] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2024-06-01 05:54:39] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2024-06-01 05:54:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:54:39] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2024-06-01 05:54:39] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-06-01 05:54:39] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:54:39] [INFO ] [Nat]Added 21 Read/Feed constraints in 22 ms returned sat
[2024-06-01 05:54:40] [INFO ] Deduced a trap composed of 5 places in 201 ms of which 2 ms to minimize.
[2024-06-01 05:54:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 222 ms
[2024-06-01 05:54:40] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 41 ms.
[2024-06-01 05:54:40] [INFO ] Added : 11 causal constraints over 3 iterations in 105 ms. Result :sat
Minimization took 147 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 1275/1275 transitions.
Applied a total of 0 rules in 68 ms. Remains 125 /125 variables (removed 0) and now considering 1275/1275 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 125/125 places, 1275/1275 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 1275/1275 transitions.
Applied a total of 0 rules in 61 ms. Remains 125 /125 variables (removed 0) and now considering 1275/1275 (removed 0) transitions.
[2024-06-01 05:54:40] [INFO ] Flow matrix only has 246 transitions (discarded 1029 similar events)
[2024-06-01 05:54:40] [INFO ] Invariant cache hit.
[2024-06-01 05:54:41] [INFO ] Implicit Places using invariants in 312 ms returned [52, 108]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 319 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 123/125 places, 1275/1275 transitions.
Applied a total of 0 rules in 63 ms. Remains 123 /123 variables (removed 0) and now considering 1275/1275 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 445 ms. Remains : 123/125 places, 1275/1275 transitions.
[2024-06-01 05:54:41] [INFO ] Flow matrix only has 246 transitions (discarded 1029 similar events)
// Phase 1: matrix 246 rows 123 cols
[2024-06-01 05:54:41] [INFO ] Computed 5 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (2622 resets) in 3847 ms. (259 steps per ms)
BEST_FIRST walk for 1000001 steps (1085 resets) in 1469 ms. (680 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:54:46] [INFO ] Flow matrix only has 246 transitions (discarded 1029 similar events)
[2024-06-01 05:54:46] [INFO ] Invariant cache hit.
[2024-06-01 05:54:46] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:54:46] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2024-06-01 05:54:46] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:54:46] [INFO ] [Real]Added 21 Read/Feed constraints in 15 ms returned sat
[2024-06-01 05:54:46] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:54:46] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:54:46] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2024-06-01 05:54:46] [INFO ] [Nat]Added 21 Read/Feed constraints in 18 ms returned sat
[2024-06-01 05:54:46] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 33 ms.
[2024-06-01 05:54:47] [INFO ] Deduced a trap composed of 14 places in 172 ms of which 1 ms to minimize.
[2024-06-01 05:54:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 196 ms
[2024-06-01 05:54:47] [INFO ] Added : 11 causal constraints over 3 iterations in 370 ms. Result :sat
Minimization took 135 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1275/1275 transitions.
Applied a total of 0 rules in 48 ms. Remains 123 /123 variables (removed 0) and now considering 1275/1275 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 123/123 places, 1275/1275 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1275/1275 transitions.
Applied a total of 0 rules in 49 ms. Remains 123 /123 variables (removed 0) and now considering 1275/1275 (removed 0) transitions.
[2024-06-01 05:54:47] [INFO ] Flow matrix only has 246 transitions (discarded 1029 similar events)
[2024-06-01 05:54:47] [INFO ] Invariant cache hit.
[2024-06-01 05:54:47] [INFO ] Implicit Places using invariants in 264 ms returned []
[2024-06-01 05:54:47] [INFO ] Flow matrix only has 246 transitions (discarded 1029 similar events)
[2024-06-01 05:54:47] [INFO ] Invariant cache hit.
[2024-06-01 05:54:47] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:54:48] [INFO ] Implicit Places using invariants and state equation in 436 ms returned []
Implicit Place search using SMT with State Equation took 704 ms to find 0 implicit places.
[2024-06-01 05:54:48] [INFO ] Redundant transitions in 69 ms returned []
Running 1272 sub problems to find dead transitions.
[2024-06-01 05:54:48] [INFO ] Flow matrix only has 246 transitions (discarded 1029 similar events)
[2024-06-01 05:54:48] [INFO ] Invariant cache hit.
[2024-06-01 05:54:48] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1272 unsolved
[2024-06-01 05:54:57] [INFO ] Deduced a trap composed of 5 places in 172 ms of which 1 ms to minimize.
[2024-06-01 05:54:58] [INFO ] Deduced a trap composed of 14 places in 168 ms of which 1 ms to minimize.
Problem TDEAD125 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD235 is UNSAT
Problem TDEAD246 is UNSAT
Problem TDEAD257 is UNSAT
Problem TDEAD268 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD301 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD334 is UNSAT
Problem TDEAD345 is UNSAT
Problem TDEAD356 is UNSAT
Problem TDEAD367 is UNSAT
Problem TDEAD378 is UNSAT
Problem TDEAD389 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD411 is UNSAT
Problem TDEAD422 is UNSAT
Problem TDEAD433 is UNSAT
Problem TDEAD444 is UNSAT
Problem TDEAD455 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD477 is UNSAT
Problem TDEAD488 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD510 is UNSAT
Problem TDEAD521 is UNSAT
Problem TDEAD532 is UNSAT
Problem TDEAD543 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD565 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD587 is UNSAT
Problem TDEAD598 is UNSAT
Problem TDEAD609 is UNSAT
Problem TDEAD620 is UNSAT
Problem TDEAD631 is UNSAT
Problem TDEAD642 is UNSAT
Problem TDEAD653 is UNSAT
Problem TDEAD664 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 2/7 constraints. Problems are: Problem set: 50 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 50 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 246/369 variables, 123/130 constraints. Problems are: Problem set: 50 solved, 1222 unsolved
SMT process timed out in 34938ms, After SMT, problems are : Problem set: 50 solved, 1222 unsolved
Search for dead transitions found 50 dead transitions in 34951ms
Found 50 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 50 transitions
Dead transitions reduction (with SMT) removed 50 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 123/123 places, 1225/1275 transitions.
Applied a total of 0 rules in 80 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 05:55:23] [INFO ] Redundant transitions in 26 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 35910 ms. Remains : 123/123 places, 1225/1275 transitions.
[2024-06-01 05:55:23] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 05:55:23] [INFO ] Computed 5 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (2622 resets) in 3943 ms. (253 steps per ms)
BEST_FIRST walk for 1000000 steps (1083 resets) in 1531 ms. (652 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:55:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:55:28] [INFO ] Invariant cache hit.
[2024-06-01 05:55:28] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:55:29] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-06-01 05:55:29] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:55:29] [INFO ] [Real]Added 20 Read/Feed constraints in 11 ms returned sat
[2024-06-01 05:55:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:55:29] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:55:29] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2024-06-01 05:55:29] [INFO ] [Nat]Added 20 Read/Feed constraints in 17 ms returned sat
[2024-06-01 05:55:29] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 47 ms.
[2024-06-01 05:55:29] [INFO ] Deduced a trap composed of 5 places in 283 ms of which 1 ms to minimize.
[2024-06-01 05:55:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 321 ms
[2024-06-01 05:55:29] [INFO ] Added : 11 causal constraints over 3 iterations in 508 ms. Result :sat
Minimization took 256 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 59 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 57 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 05:55:30] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:55:30] [INFO ] Invariant cache hit.
[2024-06-01 05:55:30] [INFO ] Implicit Places using invariants in 218 ms returned []
[2024-06-01 05:55:30] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:55:30] [INFO ] Invariant cache hit.
[2024-06-01 05:55:30] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:55:31] [INFO ] Implicit Places using invariants and state equation in 544 ms returned []
Implicit Place search using SMT with State Equation took 765 ms to find 0 implicit places.
[2024-06-01 05:55:31] [INFO ] Redundant transitions in 19 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:55:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:55:31] [INFO ] Invariant cache hit.
[2024-06-01 05:55:31] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:55:40] [INFO ] Deduced a trap composed of 5 places in 156 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30070 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65567ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65586ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66465 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 1401 ms. (28 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (41 resets) in 347 ms. (114 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (43 resets) in 356 ms. (112 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 348117 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :0 out of 2
Probabilistic random walk after 348117 steps, saw 96296 distinct states, run finished after 3005 ms. (steps per millisecond=115 ) properties seen :0
[2024-06-01 05:56:40] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:56:40] [INFO ] Invariant cache hit.
[2024-06-01 05:56:40] [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) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:56:40] [INFO ] Deduced a trap composed of 4 places in 119 ms of which 1 ms to minimize.
[2024-06-01 05:56:40] [INFO ] Deduced a trap composed of 5 places in 107 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 476 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 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) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 654 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 1166ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 472 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 57 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:56:42] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:56:42] [INFO ] Invariant cache hit.
[2024-06-01 05:56:42] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:56:50] [INFO ] Deduced a trap composed of 5 places in 147 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45036ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45053ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45118 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 371 ms. (107 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (41 resets) in 156 ms. (254 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (41 resets) in 123 ms. (322 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 296938 steps, run timeout after 3001 ms. (steps per millisecond=98 ) properties seen :0 out of 2
Probabilistic random walk after 296938 steps, saw 82212 distinct states, run finished after 3004 ms. (steps per millisecond=98 ) properties seen :0
[2024-06-01 05:57:30] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:57:30] [INFO ] Invariant cache hit.
[2024-06-01 05:57:30] [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) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:57:30] [INFO ] Deduced a trap composed of 4 places in 127 ms of which 13 ms to minimize.
[2024-06-01 05:57:31] [INFO ] Deduced a trap composed of 5 places in 202 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 695 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 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) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 669 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 1379ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 398 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 43 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 42 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 05:57:32] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:57:32] [INFO ] Invariant cache hit.
[2024-06-01 05:57:32] [INFO ] Implicit Places using invariants in 203 ms returned []
[2024-06-01 05:57:32] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:57:32] [INFO ] Invariant cache hit.
[2024-06-01 05:57:32] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:57:33] [INFO ] Implicit Places using invariants and state equation in 438 ms returned []
Implicit Place search using SMT with State Equation took 644 ms to find 0 implicit places.
[2024-06-01 05:57:33] [INFO ] Redundant transitions in 14 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:57:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:57:33] [INFO ] Invariant cache hit.
[2024-06-01 05:57:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:57:42] [INFO ] Deduced a trap composed of 5 places in 185 ms of which 13 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65799ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65811ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66519 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[50]
Starting property specific reduction for BridgeAndVehicles-PT-V50P50N10-UpperBounds-10
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:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
[2024-06-01 05:58:38] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:58:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (26 resets) in 45 ms. (217 steps per ms)
BEST_FIRST walk for 10001 steps (10 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:58:39] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:58:39] [INFO ] Invariant cache hit.
[2024-06-01 05:58:39] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:58:39] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2024-06-01 05:58:39] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:58:39] [INFO ] [Real]Added 20 Read/Feed constraints in 11 ms returned sat
[2024-06-01 05:58:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:58:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:58:39] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2024-06-01 05:58:39] [INFO ] [Nat]Added 20 Read/Feed constraints in 21 ms returned sat
[2024-06-01 05:58:39] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 36 ms.
[2024-06-01 05:58:39] [INFO ] Deduced a trap composed of 5 places in 291 ms of which 1 ms to minimize.
[2024-06-01 05:58:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 325 ms
[2024-06-01 05:58:39] [INFO ] Added : 11 causal constraints over 3 iterations in 502 ms. Result :sat
Minimization took 187 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 47 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:58:40] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:58:40] [INFO ] Invariant cache hit.
[2024-06-01 05:58:40] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:58:49] [INFO ] Deduced a trap composed of 5 places in 128 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20073 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45479ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45491ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45542 ms. Remains : 123/123 places, 1225/1225 transitions.
[2024-06-01 05:59:25] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:59:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (2623 resets) in 3620 ms. (276 steps per ms)
BEST_FIRST walk for 1000007 steps (1086 resets) in 1528 ms. (654 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:59:30] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:59:30] [INFO ] Invariant cache hit.
[2024-06-01 05:59:31] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:59:31] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-06-01 05:59:31] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:59:31] [INFO ] [Real]Added 20 Read/Feed constraints in 10 ms returned sat
[2024-06-01 05:59:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:59:31] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:59:31] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2024-06-01 05:59:31] [INFO ] [Nat]Added 20 Read/Feed constraints in 15 ms returned sat
[2024-06-01 05:59:31] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 45 ms.
[2024-06-01 05:59:31] [INFO ] Deduced a trap composed of 5 places in 192 ms of which 2 ms to minimize.
[2024-06-01 05:59:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 222 ms
[2024-06-01 05:59:31] [INFO ] Added : 11 causal constraints over 3 iterations in 382 ms. Result :sat
Minimization took 157 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[50]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 53 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 52 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 05:59:32] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:59:32] [INFO ] Invariant cache hit.
[2024-06-01 05:59:32] [INFO ] Implicit Places using invariants in 242 ms returned []
[2024-06-01 05:59:32] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:59:32] [INFO ] Invariant cache hit.
[2024-06-01 05:59:32] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:59:33] [INFO ] Implicit Places using invariants and state equation in 667 ms returned []
Implicit Place search using SMT with State Equation took 930 ms to find 0 implicit places.
[2024-06-01 05:59:33] [INFO ] Redundant transitions in 12 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:59:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:59:33] [INFO ] Invariant cache hit.
[2024-06-01 05:59:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:59:39] [INFO ] Deduced a trap composed of 5 places in 106 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 63571ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 63581ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64583 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 367 ms. (108 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (41 resets) in 112 ms. (354 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (43 resets) in 143 ms. (277 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 364363 steps, run timeout after 3001 ms. (steps per millisecond=121 ) properties seen :0 out of 2
Probabilistic random walk after 364363 steps, saw 101117 distinct states, run finished after 3001 ms. (steps per millisecond=121 ) properties seen :0
[2024-06-01 06:00:40] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:00:40] [INFO ] Invariant cache hit.
[2024-06-01 06:00:40] [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) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 06:00:40] [INFO ] Deduced a trap composed of 4 places in 144 ms of which 1 ms to minimize.
[2024-06-01 06:00:40] [INFO ] Deduced a trap composed of 5 places in 127 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 519 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 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) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 734 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 1301ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 450 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 61 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:00:41] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:00:41] [INFO ] Invariant cache hit.
[2024-06-01 06:00:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:00:50] [INFO ] Deduced a trap composed of 5 places in 126 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 43925ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43939ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44005 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 371 ms. (107 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (40 resets) in 134 ms. (296 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (41 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 371734 steps, run timeout after 3001 ms. (steps per millisecond=123 ) properties seen :0 out of 2
Probabilistic random walk after 371734 steps, saw 103112 distinct states, run finished after 3001 ms. (steps per millisecond=123 ) properties seen :0
[2024-06-01 06:01:29] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:01:29] [INFO ] Invariant cache hit.
[2024-06-01 06:01:29] [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) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 06:01:29] [INFO ] Deduced a trap composed of 4 places in 284 ms of which 1 ms to minimize.
[2024-06-01 06:01:29] [INFO ] Deduced a trap composed of 5 places in 136 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 727 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 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) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 785 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 1542ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 434 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 44 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 44 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-06-01 06:01:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:01:31] [INFO ] Invariant cache hit.
[2024-06-01 06:01:31] [INFO ] Implicit Places using invariants in 204 ms returned []
[2024-06-01 06:01:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:01:31] [INFO ] Invariant cache hit.
[2024-06-01 06:01:31] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 06:01:32] [INFO ] Implicit Places using invariants and state equation in 785 ms returned []
Implicit Place search using SMT with State Equation took 1012 ms to find 0 implicit places.
[2024-06-01 06:01:32] [INFO ] Redundant transitions in 20 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 06:01:32] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 06:01:32] [INFO ] Invariant cache hit.
[2024-06-01 06:01:32] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 06:01:39] [INFO ] Deduced a trap composed of 5 places in 133 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 63536ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 63549ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64647 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[50]
Ending property specific reduction for BridgeAndVehicles-PT-V50P50N10-UpperBounds-10 in 236708 ms.
[2024-06-01 06:02:36] [INFO ] Flatten gal took : 195 ms
[2024-06-01 06:02:36] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 4 ms.
[2024-06-01 06:02:36] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 123 places, 1225 transitions and 8998 arcs took 14 ms.
Total runtime 534679 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : BridgeAndVehicles-PT-V50P50N10-UpperBounds-10

BK_STOP 1717221756522

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name BridgeAndVehicles-PT-V50P50N10-UpperBounds-10
ub formula formula --maxsum=/tmp/831/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-V50P50N10"
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-V50P50N10, 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-171620399100253"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P50N10.tgz
mv BridgeAndVehicles-PT-V50P50N10 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 ;