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-171620398900141.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-COL-V80P50N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r472-tajo-171620398900141
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 6.8K Apr 13 01:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Apr 13 01:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Apr 13 00:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Apr 13 00:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Apr 22 14:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 22 14:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Apr 22 14:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 01:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Apr 13 01:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 13 01:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Apr 13 01:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 45K 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-COL-V80P50N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717219327017

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V80P50N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:22:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 05:22:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:22:08] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-06-01 05:22:08] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 05:22:08] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 664 ms
[2024-06-01 05:22:08] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 188 PT places and 289218.0 transition bindings in 23 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Reduction of identical properties reduced properties to check from 16 to 9
[2024-06-01 05:22:08] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2024-06-01 05:22:09] [INFO ] Skeletonized 9 HLPN properties in 2 ms.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
// Phase 1: matrix 10 rows 12 cols
[2024-06-01 05:22:09] [INFO ] Computed 4 invariants in 5 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 1, 0, 0, 0, 1, 80, 0, 0] Max Struct:[80, 1, 50, 50, 80, 1, 80, 1, 80]
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-06 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2024-06-01 05:22:09] [INFO ] Invariant cache hit.
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-06-01 05:22:09] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 3 ms.
[2024-06-01 05:22:09] [INFO ] Added : 0 causal constraints over 0 iterations in 18 ms. Result :sat
Minimization took 7 ms.
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 05:22:09] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 05:22:09] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 3 ms.
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 05:22:09] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 05:22:09] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 2 ms.
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using 4 positive place invariants in 7 ms returned sat
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 05:22:09] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 05:22:09] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 2 ms.
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using 4 positive place invariants in 0 ms returned sat
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 05:22:09] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 05:22:09] [INFO ] Added : 0 causal constraints over 0 iterations in 21 ms. Result :sat
Minimization took 2 ms.
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 05:22:09] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 05:22:09] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[80, 50, 50, 80, 1, 80]
Arc [1:1*[(MOD (ADD $cA 1) 81)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 81) 81) 81)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2024-06-01 05:22:09] [INFO ] Unfolded HLPN to a Petri net with 188 places and 2108 transitions 15950 arcs in 95 ms.
[2024-06-01 05:22:09] [INFO ] Unfolded 6 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[80, 50, 50, 80, 1, 80]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[80, 50, 50, 80, 1, 80]
[2024-06-01 05:22:09] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
// Phase 1: matrix 370 rows 188 cols
[2024-06-01 05:22:09] [INFO ] Computed 7 invariants in 26 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[80, 50, 50, 80, 1, 80]
RANDOM walk for 10000 steps (14 resets) in 215 ms. (46 steps per ms)
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-12 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-14 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-04 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-10 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P50N10-UpperBounds-00 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20002 steps (11 resets) in 76 ms. (259 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 5] Max Struct:[50, 50]
[2024-06-01 05:22:09] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:22:09] [INFO ] Invariant cache hit.
[2024-06-01 05:22:09] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2024-06-01 05:22:10] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-06-01 05:22:10] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:22:10] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-06-01 05:22:10] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2024-06-01 05:22:10] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:22:10] [INFO ] [Nat]Added 22 Read/Feed constraints in 36 ms returned sat
[2024-06-01 05:22:10] [INFO ] Deduced a trap composed of 5 places in 240 ms of which 20 ms to minimize.
[2024-06-01 05:22:10] [INFO ] Deduced a trap composed of 6 places in 222 ms of which 2 ms to minimize.
[2024-06-01 05:22:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 533 ms
[2024-06-01 05:22:10] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 89 ms.
[2024-06-01 05:22:10] [INFO ] Added : 10 causal constraints over 2 iterations in 191 ms. Result :sat
Minimization took 199 ms.
[2024-06-01 05:22:11] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-06-01 05:22:11] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-06-01 05:22:11] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:22:11] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-06-01 05:22:11] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2024-06-01 05:22:11] [INFO ] [Nat]Added 22 Read/Feed constraints in 23 ms returned sat
[2024-06-01 05:22:11] [INFO ] Deduced a trap composed of 6 places in 244 ms of which 2 ms to minimize.
[2024-06-01 05:22:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 281 ms
[2024-06-01 05:22:11] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 110 ms.
[2024-06-01 05:22:12] [INFO ] Deduced a trap composed of 5 places in 258 ms of which 3 ms to minimize.
[2024-06-01 05:22:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 313 ms
[2024-06-01 05:22:12] [INFO ] Added : 8 causal constraints over 8 iterations in 712 ms. Result :sat
Minimization took 333 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 5] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 188 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 188/188 places, 2108/2108 transitions.
Graph (complete) has 1882 edges and 188 vertex of which 186 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.12 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 336 ms. Remains 186 /188 variables (removed 2) and now considering 2108/2108 (removed 0) transitions.
Running 2105 sub problems to find dead transitions.
[2024-06-01 05:22:13] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
// Phase 1: matrix 370 rows 186 cols
[2024-06-01 05:22:13] [INFO ] Computed 5 invariants in 9 ms
[2024-06-01 05:22:13] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/186 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2105 unsolved
[2024-06-01 05:22:39] [INFO ] Deduced a trap composed of 5 places in 249 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 186/556 variables, and 6 constraints, problems are : Problem set: 0 solved, 2105 unsolved in 20053 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/186 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 2105/2105 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2105 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/186 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2105 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/186 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2105 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 186/556 variables, and 6 constraints, problems are : Problem set: 0 solved, 2105 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/186 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 0/2105 constraints, Known Traps: 1/1 constraints]
After SMT, in 54844ms problems are : Problem set: 0 solved, 2105 unsolved
Search for dead transitions found 0 dead transitions in 54891ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55253 ms. Remains : 186/188 places, 2108/2108 transitions.
[2024-06-01 05:23:08] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:23:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[50, 50]
RANDOM walk for 1000000 steps (1424 resets) in 6670 ms. (149 steps per ms)
BEST_FIRST walk for 2000001 steps (1084 resets) in 4693 ms. (426 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[50, 50]
[2024-06-01 05:23:20] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:23:20] [INFO ] Invariant cache hit.
[2024-06-01 05:23:20] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:23:20] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2024-06-01 05:23:20] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:23:20] [INFO ] [Real]Added 22 Read/Feed constraints in 21 ms returned sat
[2024-06-01 05:23:20] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:23:20] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:23:20] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2024-06-01 05:23:20] [INFO ] [Nat]Added 22 Read/Feed constraints in 45 ms returned sat
[2024-06-01 05:23:20] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 51 ms.
[2024-06-01 05:23:21] [INFO ] Deduced a trap composed of 15 places in 302 ms of which 1 ms to minimize.
[2024-06-01 05:23:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 377 ms
[2024-06-01 05:23:21] [INFO ] Added : 10 causal constraints over 2 iterations in 693 ms. Result :sat
Minimization took 219 ms.
[2024-06-01 05:23:21] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:23:21] [INFO ] [Real]Absence check using state equation in 98 ms returned sat
[2024-06-01 05:23:21] [INFO ] [Real]Added 22 Read/Feed constraints in 24 ms returned sat
[2024-06-01 05:23:21] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:23:21] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:23:21] [INFO ] [Nat]Absence check using state equation in 97 ms returned sat
[2024-06-01 05:23:21] [INFO ] [Nat]Added 22 Read/Feed constraints in 42 ms returned sat
[2024-06-01 05:23:22] [INFO ] Deduced a trap composed of 5 places in 321 ms of which 2 ms to minimize.
[2024-06-01 05:23:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 362 ms
[2024-06-01 05:23:22] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 65 ms.
[2024-06-01 05:23:22] [INFO ] Added : 12 causal constraints over 10 iterations in 415 ms. Result :sat
Minimization took 295 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 186 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 186/186 places, 2108/2108 transitions.
Applied a total of 0 rules in 192 ms. Remains 186 /186 variables (removed 0) and now considering 2108/2108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 186/186 places, 2108/2108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 186/186 places, 2108/2108 transitions.
Applied a total of 0 rules in 179 ms. Remains 186 /186 variables (removed 0) and now considering 2108/2108 (removed 0) transitions.
[2024-06-01 05:23:24] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:23:24] [INFO ] Invariant cache hit.
[2024-06-01 05:23:24] [INFO ] Implicit Places using invariants in 427 ms returned []
[2024-06-01 05:23:24] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:23:24] [INFO ] Invariant cache hit.
[2024-06-01 05:23:24] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:23:26] [INFO ] Implicit Places using invariants and state equation in 1545 ms returned [83, 167]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1990 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 184/186 places, 2108/2108 transitions.
Applied a total of 0 rules in 230 ms. Remains 184 /184 variables (removed 0) and now considering 2108/2108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2399 ms. Remains : 184/186 places, 2108/2108 transitions.
[2024-06-01 05:23:26] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
// Phase 1: matrix 370 rows 184 cols
[2024-06-01 05:23:26] [INFO ] Computed 5 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[50, 50]
RANDOM walk for 1000000 steps (1423 resets) in 5821 ms. (171 steps per ms)
BEST_FIRST walk for 2000001 steps (1082 resets) in 4321 ms. (462 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[50, 50]
[2024-06-01 05:23:36] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:23:36] [INFO ] Invariant cache hit.
[2024-06-01 05:23:36] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:23:36] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-06-01 05:23:36] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:23:36] [INFO ] [Real]Added 22 Read/Feed constraints in 23 ms returned sat
[2024-06-01 05:23:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:23:36] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:23:36] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-06-01 05:23:36] [INFO ] [Nat]Added 22 Read/Feed constraints in 38 ms returned sat
[2024-06-01 05:23:36] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 47 ms.
[2024-06-01 05:23:37] [INFO ] Added : 10 causal constraints over 2 iterations in 266 ms. Result :sat
Minimization took 221 ms.
[2024-06-01 05:23:37] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:23:37] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2024-06-01 05:23:37] [INFO ] [Real]Added 22 Read/Feed constraints in 21 ms returned sat
[2024-06-01 05:23:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:23:37] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:23:37] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2024-06-01 05:23:37] [INFO ] [Nat]Added 22 Read/Feed constraints in 31 ms returned sat
[2024-06-01 05:23:37] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 56 ms.
[2024-06-01 05:23:38] [INFO ] Added : 8 causal constraints over 7 iterations in 413 ms. Result :sat
Minimization took 217 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 184 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2108/2108 transitions.
Applied a total of 0 rules in 195 ms. Remains 184 /184 variables (removed 0) and now considering 2108/2108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 184/184 places, 2108/2108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2108/2108 transitions.
Applied a total of 0 rules in 162 ms. Remains 184 /184 variables (removed 0) and now considering 2108/2108 (removed 0) transitions.
[2024-06-01 05:23:39] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:23:39] [INFO ] Invariant cache hit.
[2024-06-01 05:23:39] [INFO ] Implicit Places using invariants in 514 ms returned []
[2024-06-01 05:23:39] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:23:39] [INFO ] Invariant cache hit.
[2024-06-01 05:23:39] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:23:40] [INFO ] Implicit Places using invariants and state equation in 1297 ms returned []
Implicit Place search using SMT with State Equation took 1814 ms to find 0 implicit places.
[2024-06-01 05:23:41] [INFO ] Redundant transitions in 121 ms returned []
Running 2105 sub problems to find dead transitions.
[2024-06-01 05:23:41] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:23:41] [INFO ] Invariant cache hit.
[2024-06-01 05:23:41] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2105 unsolved
[2024-06-01 05:24:07] [INFO ] Deduced a trap composed of 5 places in 480 ms of which 8 ms to minimize.
[2024-06-01 05:24:27] [INFO ] Deduced a trap composed of 15 places in 303 ms of which 1 ms to minimize.
Problem TDEAD1148 is UNSAT
Problem TDEAD1149 is UNSAT
Problem TDEAD1150 is UNSAT
Problem TDEAD1151 is UNSAT
Problem TDEAD1152 is UNSAT
Problem TDEAD1153 is UNSAT
Problem TDEAD1154 is UNSAT
Problem TDEAD1155 is UNSAT
Problem TDEAD1156 is UNSAT
Problem TDEAD1157 is UNSAT
Problem TDEAD1158 is UNSAT
Problem TDEAD1159 is UNSAT
Problem TDEAD1160 is UNSAT
Problem TDEAD1161 is UNSAT
Problem TDEAD1162 is UNSAT
Problem TDEAD1163 is UNSAT
Problem TDEAD1164 is UNSAT
Problem TDEAD1165 is UNSAT
Problem TDEAD1166 is UNSAT
Problem TDEAD1167 is UNSAT
Problem TDEAD1168 is UNSAT
Problem TDEAD1169 is UNSAT
Problem TDEAD1170 is UNSAT
Problem TDEAD1171 is UNSAT
Problem TDEAD1172 is UNSAT
Problem TDEAD1173 is UNSAT
Problem TDEAD1174 is UNSAT
Problem TDEAD1175 is UNSAT
Problem TDEAD1176 is UNSAT
Problem TDEAD1177 is UNSAT
Problem TDEAD1178 is UNSAT
Problem TDEAD1179 is UNSAT
Problem TDEAD1180 is UNSAT
Problem TDEAD1181 is UNSAT
Problem TDEAD1182 is UNSAT
Problem TDEAD1183 is UNSAT
Problem TDEAD1184 is UNSAT
Problem TDEAD1185 is UNSAT
Problem TDEAD1186 is UNSAT
Problem TDEAD1187 is UNSAT
Problem TDEAD1188 is UNSAT
Problem TDEAD1189 is UNSAT
Problem TDEAD1190 is UNSAT
Problem TDEAD1191 is UNSAT
Problem TDEAD1192 is UNSAT
Problem TDEAD1193 is UNSAT
Problem TDEAD1194 is UNSAT
Problem TDEAD1195 is UNSAT
Problem TDEAD1196 is UNSAT
Problem TDEAD1197 is UNSAT
Problem TDEAD1198 is UNSAT
Problem TDEAD1199 is UNSAT
Problem TDEAD1200 is UNSAT
Problem TDEAD1201 is UNSAT
Problem TDEAD1202 is UNSAT
Problem TDEAD1203 is UNSAT
Problem TDEAD1204 is UNSAT
Problem TDEAD1205 is UNSAT
Problem TDEAD1206 is UNSAT
Problem TDEAD1207 is UNSAT
Problem TDEAD1208 is UNSAT
Problem TDEAD1209 is UNSAT
Problem TDEAD1210 is UNSAT
Problem TDEAD1211 is UNSAT
Problem TDEAD1212 is UNSAT
Problem TDEAD1213 is UNSAT
Problem TDEAD1214 is UNSAT
Problem TDEAD1215 is UNSAT
Problem TDEAD1216 is UNSAT
Problem TDEAD1217 is UNSAT
Problem TDEAD1218 is UNSAT
Problem TDEAD1219 is UNSAT
Problem TDEAD1220 is UNSAT
Problem TDEAD1221 is UNSAT
Problem TDEAD1222 is UNSAT
Problem TDEAD1223 is UNSAT
Problem TDEAD1224 is UNSAT
Problem TDEAD1225 is UNSAT
Problem TDEAD1226 is UNSAT
Problem TDEAD1227 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 184/554 variables, and 7 constraints, problems are : Problem set: 80 solved, 2025 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/184 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 2105/2105 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 80 solved, 2025 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 80 solved, 2025 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 2/7 constraints. Problems are: Problem set: 80 solved, 2025 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 184/554 variables, and 7 constraints, problems are : Problem set: 80 solved, 2025 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/184 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 0/2105 constraints, Known Traps: 2/2 constraints]
After SMT, in 76948ms problems are : Problem set: 80 solved, 2025 unsolved
Search for dead transitions found 80 dead transitions in 76982ms
Found 80 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 80 transitions
Dead transitions reduction (with SMT) removed 80 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 184/184 places, 2028/2108 transitions.
Applied a total of 0 rules in 128 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
[2024-06-01 05:24:58] [INFO ] Redundant transitions in 32 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 79266 ms. Remains : 184/184 places, 2028/2108 transitions.
[2024-06-01 05:24:58] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
// Phase 1: matrix 369 rows 184 cols
[2024-06-01 05:24:58] [INFO ] Computed 5 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[50, 50]
RANDOM walk for 1000000 steps (1423 resets) in 5842 ms. (171 steps per ms)
BEST_FIRST walk for 2000002 steps (1082 resets) in 4439 ms. (450 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[50, 50]
[2024-06-01 05:25:08] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:25:08] [INFO ] Invariant cache hit.
[2024-06-01 05:25:08] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:25:08] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2024-06-01 05:25:08] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:25:08] [INFO ] [Real]Added 21 Read/Feed constraints in 37 ms returned sat
[2024-06-01 05:25:08] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:25:08] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:25:08] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-06-01 05:25:08] [INFO ] [Nat]Added 21 Read/Feed constraints in 34 ms returned sat
[2024-06-01 05:25:08] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 196 transitions) in 50 ms.
[2024-06-01 05:25:09] [INFO ] Added : 10 causal constraints over 2 iterations in 284 ms. Result :sat
Minimization took 208 ms.
[2024-06-01 05:25:09] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:25:09] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2024-06-01 05:25:09] [INFO ] [Real]Added 21 Read/Feed constraints in 23 ms returned sat
[2024-06-01 05:25:09] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:25:09] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:25:09] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-06-01 05:25:09] [INFO ] [Nat]Added 21 Read/Feed constraints in 30 ms returned sat
[2024-06-01 05:25:09] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 196 transitions) in 53 ms.
[2024-06-01 05:25:10] [INFO ] Added : 12 causal constraints over 10 iterations in 273 ms. Result :sat
Minimization took 244 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[50, 50]
Support contains 2 out of 184 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2028/2028 transitions.
Applied a total of 0 rules in 132 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 184/184 places, 2028/2028 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2028/2028 transitions.
Applied a total of 0 rules in 139 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
[2024-06-01 05:25:11] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:25:11] [INFO ] Invariant cache hit.
[2024-06-01 05:25:11] [INFO ] Implicit Places using invariants in 356 ms returned []
[2024-06-01 05:25:11] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:25:11] [INFO ] Invariant cache hit.
[2024-06-01 05:25:11] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:25:12] [INFO ] Implicit Places using invariants and state equation in 816 ms returned []
Implicit Place search using SMT with State Equation took 1175 ms to find 0 implicit places.
[2024-06-01 05:25:12] [INFO ] Redundant transitions in 162 ms returned []
Running 2025 sub problems to find dead transitions.
[2024-06-01 05:25:12] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:25:12] [INFO ] Invariant cache hit.
[2024-06-01 05:25:12] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
[2024-06-01 05:25:36] [INFO ] Deduced a trap composed of 5 places in 224 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 184/553 variables, and 6 constraints, problems are : Problem set: 0 solved, 2025 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/184 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2025/2025 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2025 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
SMT process timed out in 74893ms, After SMT, problems are : Problem set: 0 solved, 2025 unsolved
Search for dead transitions found 0 dead transitions in 74927ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76419 ms. Remains : 184/184 places, 2028/2028 transitions.
RANDOM walk for 40000 steps (56 resets) in 1203 ms. (33 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40010 steps (20 resets) in 417 ms. (95 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (20 resets) in 481 ms. (82 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (20 resets) in 283 ms. (140 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (20 resets) in 191 ms. (208 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 250788 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :0 out of 4
Probabilistic random walk after 250788 steps, saw 69147 distinct states, run finished after 3004 ms. (steps per millisecond=83 ) properties seen :0
[2024-06-01 05:26:31] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:26:31] [INFO ] Invariant cache hit.
[2024-06-01 05:26:31] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 162/165 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 373/538 variables, 166/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/538 variables, 21/193 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/538 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/540 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/540 variables, 2/196 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-06-01 05:26:32] [INFO ] Deduced a trap composed of 5 places in 129 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/540 variables, 1/197 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/540 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 13/553 variables, 13/210 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/553 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-06-01 05:26:32] [INFO ] Deduced a trap composed of 5 places in 245 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/553 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/553 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/553 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 553/553 variables, and 212 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1490 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 184/184 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 162/165 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 373/538 variables, 166/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/538 variables, 21/193 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/538 variables, 4/197 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/538 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/540 variables, 1/198 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/540 variables, 2/200 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/540 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/540 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/553 variables, 13/214 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/553 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/553 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/553 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/553 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 553/553 variables, and 216 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2007 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 184/184 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints]
After SMT, in 3527ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 2525 ms.
Support contains 2 out of 184 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2028/2028 transitions.
Applied a total of 0 rules in 124 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
Running 2025 sub problems to find dead transitions.
[2024-06-01 05:26:37] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:26:37] [INFO ] Invariant cache hit.
[2024-06-01 05:26:37] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
[2024-06-01 05:27:00] [INFO ] Deduced a trap composed of 5 places in 195 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 184/553 variables, and 6 constraints, problems are : Problem set: 0 solved, 2025 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/184 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2025/2025 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2025 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 184/553 variables, and 6 constraints, problems are : Problem set: 0 solved, 2025 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/184 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2025 constraints, Known Traps: 1/1 constraints]
After SMT, in 53994ms problems are : Problem set: 0 solved, 2025 unsolved
Search for dead transitions found 0 dead transitions in 54017ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54149 ms. Remains : 184/184 places, 2028/2028 transitions.
RANDOM walk for 40000 steps (56 resets) in 704 ms. (56 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (20 resets) in 183 ms. (217 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 216 ms. (184 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (20 resets) in 225 ms. (177 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (20 resets) in 226 ms. (176 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 257952 steps, run timeout after 3001 ms. (steps per millisecond=85 ) properties seen :0 out of 4
Probabilistic random walk after 257952 steps, saw 71034 distinct states, run finished after 3001 ms. (steps per millisecond=85 ) properties seen :0
[2024-06-01 05:27:35] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:27:35] [INFO ] Invariant cache hit.
[2024-06-01 05:27:35] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 162/165 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 373/538 variables, 166/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/538 variables, 21/193 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/538 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/540 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/540 variables, 2/196 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-06-01 05:27:35] [INFO ] Deduced a trap composed of 5 places in 138 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/540 variables, 1/197 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/540 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 13/553 variables, 13/210 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/553 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-06-01 05:27:36] [INFO ] Deduced a trap composed of 5 places in 207 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/553 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/553 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/553 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 553/553 variables, and 212 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1320 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 184/184 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 162/165 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 373/538 variables, 166/170 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/538 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/538 variables, 21/193 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/538 variables, 4/197 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/538 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/540 variables, 1/198 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/540 variables, 2/200 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/540 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/540 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/553 variables, 13/214 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/553 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/553 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/553 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/553 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 553/553 variables, and 216 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1709 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 184/184 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 2/2 constraints]
After SMT, in 3065ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 2782 ms.
Support contains 2 out of 184 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2028/2028 transitions.
Applied a total of 0 rules in 124 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 184/184 places, 2028/2028 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2028/2028 transitions.
Applied a total of 0 rules in 174 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
[2024-06-01 05:27:41] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:27:41] [INFO ] Invariant cache hit.
[2024-06-01 05:27:41] [INFO ] Implicit Places using invariants in 309 ms returned []
[2024-06-01 05:27:41] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:27:41] [INFO ] Invariant cache hit.
[2024-06-01 05:27:41] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:27:42] [INFO ] Implicit Places using invariants and state equation in 762 ms returned []
Implicit Place search using SMT with State Equation took 1075 ms to find 0 implicit places.
[2024-06-01 05:27:42] [INFO ] Redundant transitions in 44 ms returned []
Running 2025 sub problems to find dead transitions.
[2024-06-01 05:27:42] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:27:42] [INFO ] Invariant cache hit.
[2024-06-01 05:27:42] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
[2024-06-01 05:28:05] [INFO ] Deduced a trap composed of 5 places in 178 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 184/553 variables, and 6 constraints, problems are : Problem set: 0 solved, 2025 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/184 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2025/2025 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2025 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2025 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 184/553 variables, and 6 constraints, problems are : Problem set: 0 solved, 2025 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/184 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2025 constraints, Known Traps: 1/1 constraints]
After SMT, in 73880ms problems are : Problem set: 0 solved, 2025 unsolved
Search for dead transitions found 0 dead transitions in 73901ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75208 ms. Remains : 184/184 places, 2028/2028 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10, 10] Max Struct:[50, 50]
Starting property specific reduction for BridgeAndVehicles-COL-V80P50N10-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
[2024-06-01 05:28:56] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:28:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (14 resets) in 76 ms. (129 steps per ms)
BEST_FIRST walk for 10000 steps (5 resets) in 28 ms. (344 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:28:56] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:28:56] [INFO ] Invariant cache hit.
[2024-06-01 05:28:56] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:28:56] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2024-06-01 05:28:56] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:28:56] [INFO ] [Real]Added 21 Read/Feed constraints in 28 ms returned sat
[2024-06-01 05:28:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:28:56] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:28:57] [INFO ] [Nat]Absence check using state equation in 96 ms returned sat
[2024-06-01 05:28:57] [INFO ] [Nat]Added 21 Read/Feed constraints in 51 ms returned sat
[2024-06-01 05:28:57] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 196 transitions) in 52 ms.
[2024-06-01 05:28:57] [INFO ] Added : 10 causal constraints over 2 iterations in 288 ms. Result :sat
Minimization took 198 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 184 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2028/2028 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 183 transition count 2027
Applied a total of 2 rules in 230 ms. Remains 183 /184 variables (removed 1) and now considering 2027/2028 (removed 1) transitions.
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:28:58] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
// Phase 1: matrix 368 rows 183 cols
[2024-06-01 05:28:58] [INFO ] Computed 5 invariants in 4 ms
[2024-06-01 05:28:58] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
[2024-06-01 05:29:19] [INFO ] Deduced a trap composed of 5 places in 211 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2024/2024 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2024 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/183 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2024 constraints, Known Traps: 1/1 constraints]
After SMT, in 53050ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 53074ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53309 ms. Remains : 183/184 places, 2027/2028 transitions.
[2024-06-01 05:29:51] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:29:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (1643 resets) in 5464 ms. (182 steps per ms)
BEST_FIRST walk for 1000000 steps (695 resets) in 2246 ms. (445 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:29:59] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:29:59] [INFO ] Invariant cache hit.
[2024-06-01 05:29:59] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:29:59] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2024-06-01 05:29:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:29:59] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:29:59] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2024-06-01 05:29:59] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:29:59] [INFO ] [Nat]Added 21 Read/Feed constraints in 40 ms returned sat
[2024-06-01 05:29:59] [INFO ] Deduced a trap composed of 5 places in 207 ms of which 1 ms to minimize.
[2024-06-01 05:29:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 241 ms
[2024-06-01 05:29:59] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 195 transitions) in 48 ms.
[2024-06-01 05:29:59] [INFO ] Added : 11 causal constraints over 3 iterations in 199 ms. Result :sat
Minimization took 322 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 183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 147 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 183/183 places, 2027/2027 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 147 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
[2024-06-01 05:30:00] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:30:00] [INFO ] Invariant cache hit.
[2024-06-01 05:30:01] [INFO ] Implicit Places using invariants in 367 ms returned []
[2024-06-01 05:30:01] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:30:01] [INFO ] Invariant cache hit.
[2024-06-01 05:30:01] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:30:02] [INFO ] Implicit Places using invariants and state equation in 886 ms returned []
Implicit Place search using SMT with State Equation took 1255 ms to find 0 implicit places.
[2024-06-01 05:30:02] [INFO ] Redundant transitions in 58 ms returned []
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:30:02] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:30:02] [INFO ] Invariant cache hit.
[2024-06-01 05:30:02] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
[2024-06-01 05:30:23] [INFO ] Deduced a trap composed of 5 places in 253 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2024/2024 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2024 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/183 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2024 constraints, Known Traps: 1/1 constraints]
After SMT, in 72892ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 72916ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74387 ms. Remains : 183/183 places, 2027/2027 transitions.
RANDOM walk for 40004 steps (64 resets) in 526 ms. (75 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (25 resets) in 211 ms. (188 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (25 resets) in 157 ms. (253 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 289775 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :0 out of 2
Probabilistic random walk after 289775 steps, saw 79584 distinct states, run finished after 3002 ms. (steps per millisecond=96 ) properties seen :0
[2024-06-01 05:31:18] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:31:18] [INFO ] Invariant cache hit.
[2024-06-01 05:31:18] [INFO ] State equation strengthened by 21 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) 81/83 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 187/270 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/274 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:31:18] [INFO ] Deduced a trap composed of 4 places in 82 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/274 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/274 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 114/388 variables, 16/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/388 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/388 variables, 10/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:31:19] [INFO ] Deduced a trap composed of 5 places in 256 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/388 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 162/550 variables, 81/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/550 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 11/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/551 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/551 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/551 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 981 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 183/183 constraints, ReadFeed: 21/21 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) 81/83 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 187/270 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/274 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/274 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/274 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 114/388 variables, 16/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/388 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 10/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/388 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/388 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 162/550 variables, 81/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 11/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/550 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/551 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 213 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1202 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 183/183 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 2206ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 608 ms.
Support contains 1 out of 183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 187 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:31:21] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:31:21] [INFO ] Invariant cache hit.
[2024-06-01 05:31:21] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
[2024-06-01 05:31:44] [INFO ] Deduced a trap composed of 5 places in 274 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2024/2024 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2024 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/183 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2024 constraints, Known Traps: 1/1 constraints]
After SMT, in 53771ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 53797ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53990 ms. Remains : 183/183 places, 2027/2027 transitions.
RANDOM walk for 40000 steps (64 resets) in 434 ms. (91 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (25 resets) in 136 ms. (291 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (27 resets) in 142 ms. (279 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 240587 steps, run timeout after 3001 ms. (steps per millisecond=80 ) properties seen :0 out of 2
Probabilistic random walk after 240587 steps, saw 66115 distinct states, run finished after 3001 ms. (steps per millisecond=80 ) properties seen :0
[2024-06-01 05:32:18] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:32:18] [INFO ] Invariant cache hit.
[2024-06-01 05:32:18] [INFO ] State equation strengthened by 21 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) 81/83 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 187/270 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/274 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:32:18] [INFO ] Deduced a trap composed of 4 places in 86 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/274 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/274 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 114/388 variables, 16/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/388 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/388 variables, 10/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:32:19] [INFO ] Deduced a trap composed of 5 places in 270 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/388 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 162/550 variables, 81/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/550 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 11/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/551 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/551 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/551 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 865 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 183/183 constraints, ReadFeed: 21/21 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) 81/83 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 187/270 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/274 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/274 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/274 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 114/388 variables, 16/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/388 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 10/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/388 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/388 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 162/550 variables, 81/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 11/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/550 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/551 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 213 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1140 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 183/183 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 2026ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 551 ms.
Support contains 1 out of 183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 145 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 183/183 places, 2027/2027 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 151 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
[2024-06-01 05:32:21] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:32:21] [INFO ] Invariant cache hit.
[2024-06-01 05:32:21] [INFO ] Implicit Places using invariants in 399 ms returned []
[2024-06-01 05:32:21] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:32:21] [INFO ] Invariant cache hit.
[2024-06-01 05:32:21] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:32:22] [INFO ] Implicit Places using invariants and state equation in 823 ms returned []
Implicit Place search using SMT with State Equation took 1224 ms to find 0 implicit places.
[2024-06-01 05:32:22] [INFO ] Redundant transitions in 54 ms returned []
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:32:22] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:32:22] [INFO ] Invariant cache hit.
[2024-06-01 05:32:22] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
[2024-06-01 05:32:44] [INFO ] Deduced a trap composed of 5 places in 268 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2024/2024 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2024 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/183 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2024 constraints, Known Traps: 1/1 constraints]
After SMT, in 73172ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 73201ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74643 ms. Remains : 183/183 places, 2027/2027 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[50]
Ending property specific reduction for BridgeAndVehicles-COL-V80P50N10-UpperBounds-02 in 279224 ms.
Starting property specific reduction for BridgeAndVehicles-COL-V80P50N10-UpperBounds-03
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 05:33:35] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
// Phase 1: matrix 369 rows 184 cols
[2024-06-01 05:33:35] [INFO ] Computed 5 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (14 resets) in 53 ms. (185 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 19 ms. (500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:33:35] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:33:35] [INFO ] Invariant cache hit.
[2024-06-01 05:33:35] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:33:36] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2024-06-01 05:33:36] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:33:36] [INFO ] [Real]Added 21 Read/Feed constraints in 22 ms returned sat
[2024-06-01 05:33:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:33:36] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:33:36] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2024-06-01 05:33:36] [INFO ] [Nat]Added 21 Read/Feed constraints in 31 ms returned sat
[2024-06-01 05:33:36] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 196 transitions) in 82 ms.
[2024-06-01 05:33:36] [INFO ] Added : 12 causal constraints over 10 iterations in 371 ms. Result :sat
Minimization took 297 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 184 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 184/184 places, 2028/2028 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 183 transition count 2027
Applied a total of 2 rules in 158 ms. Remains 183 /184 variables (removed 1) and now considering 2027/2028 (removed 1) transitions.
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:33:37] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
// Phase 1: matrix 368 rows 183 cols
[2024-06-01 05:33:37] [INFO ] Computed 5 invariants in 4 ms
[2024-06-01 05:33:37] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
[2024-06-01 05:33:58] [INFO ] Deduced a trap composed of 5 places in 245 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2024/2024 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2024 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/183 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2024 constraints, Known Traps: 1/1 constraints]
After SMT, in 52666ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 52690ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52854 ms. Remains : 183/184 places, 2027/2028 transitions.
[2024-06-01 05:34:30] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:34:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[50]
RANDOM walk for 1000000 steps (1643 resets) in 5997 ms. (166 steps per ms)
BEST_FIRST walk for 1000000 steps (671 resets) in 2379 ms. (420 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[50]
[2024-06-01 05:34:38] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:34:38] [INFO ] Invariant cache hit.
[2024-06-01 05:34:38] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:34:38] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2024-06-01 05:34:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:34:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:34:39] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-06-01 05:34:39] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:34:39] [INFO ] [Nat]Added 21 Read/Feed constraints in 36 ms returned sat
[2024-06-01 05:34:39] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 195 transitions) in 47 ms.
[2024-06-01 05:34:39] [INFO ] Added : 7 causal constraints over 6 iterations in 363 ms. Result :sat
Minimization took 227 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 183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 176 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 176 ms. Remains : 183/183 places, 2027/2027 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 144 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
[2024-06-01 05:34:40] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:34:40] [INFO ] Invariant cache hit.
[2024-06-01 05:34:40] [INFO ] Implicit Places using invariants in 429 ms returned []
[2024-06-01 05:34:40] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:34:40] [INFO ] Invariant cache hit.
[2024-06-01 05:34:40] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:34:41] [INFO ] Implicit Places using invariants and state equation in 947 ms returned []
Implicit Place search using SMT with State Equation took 1377 ms to find 0 implicit places.
[2024-06-01 05:34:41] [INFO ] Redundant transitions in 55 ms returned []
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:34:41] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:34:41] [INFO ] Invariant cache hit.
[2024-06-01 05:34:41] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
[2024-06-01 05:35:05] [INFO ] Deduced a trap composed of 5 places in 232 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2024/2024 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2024 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/183 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2024 constraints, Known Traps: 1/1 constraints]
After SMT, in 74014ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 74038ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75630 ms. Remains : 183/183 places, 2027/2027 transitions.
RANDOM walk for 40000 steps (64 resets) in 459 ms. (86 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (24 resets) in 181 ms. (219 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (24 resets) in 179 ms. (222 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 266095 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 2
Probabilistic random walk after 266095 steps, saw 80480 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2024-06-01 05:35:58] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:35:58] [INFO ] Invariant cache hit.
[2024-06-01 05:35:58] [INFO ] State equation strengthened by 21 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) 81/83 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 186/269 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/269 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/269 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/273 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:35:59] [INFO ] Deduced a trap composed of 4 places in 110 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/273 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 115/388 variables, 16/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/388 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/388 variables, 11/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:35:59] [INFO ] Deduced a trap composed of 5 places in 313 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/388 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 162/550 variables, 81/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/550 variables, 1/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 10/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/551 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/551 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/551 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1003 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 183/183 constraints, ReadFeed: 21/21 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) 81/83 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 186/269 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/269 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/269 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/269 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/273 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/273 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/273 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 115/388 variables, 16/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/388 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 11/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/388 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/388 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 162/550 variables, 81/201 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 1/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 10/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/550 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/551 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 213 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1508 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 183/183 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 2529ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 234 ms.
Support contains 1 out of 183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 145 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:36:01] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:36:01] [INFO ] Invariant cache hit.
[2024-06-01 05:36:01] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
[2024-06-01 05:36:24] [INFO ] Deduced a trap composed of 5 places in 307 ms of which 1 ms to minimize.
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(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2024/2024 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2024 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/183 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2024 constraints, Known Traps: 1/1 constraints]
After SMT, in 52811ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 52834ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52984 ms. Remains : 183/183 places, 2027/2027 transitions.
RANDOM walk for 40000 steps (64 resets) in 567 ms. (70 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (24 resets) in 226 ms. (176 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40006 steps (24 resets) in 248 ms. (160 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 245423 steps, run timeout after 3001 ms. (steps per millisecond=81 ) properties seen :0 out of 2
Probabilistic random walk after 245423 steps, saw 74731 distinct states, run finished after 3002 ms. (steps per millisecond=81 ) properties seen :0
[2024-06-01 05:36:58] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:36:58] [INFO ] Invariant cache hit.
[2024-06-01 05:36:58] [INFO ] State equation strengthened by 21 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) 81/83 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 186/269 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/269 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/269 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/273 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:36:58] [INFO ] Deduced a trap composed of 4 places in 114 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/273 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 115/388 variables, 16/105 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/388 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/388 variables, 11/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 05:36:58] [INFO ] Deduced a trap composed of 5 places in 246 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/388 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 162/550 variables, 81/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/550 variables, 1/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 10/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/551 variables, 1/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/551 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/551 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 916 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 183/183 constraints, ReadFeed: 21/21 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) 81/83 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 186/269 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/269 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/269 variables, 2/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/269 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/273 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/273 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/273 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 115/388 variables, 16/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/388 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 11/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/388 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/388 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 162/550 variables, 81/201 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 1/202 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 10/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/550 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/551 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/551 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 213 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1420 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 183/183 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 2353ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 329 ms.
Support contains 1 out of 183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 186 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 183/183 places, 2027/2027 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 2027/2027 transitions.
Applied a total of 0 rules in 144 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
[2024-06-01 05:37:01] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:37:01] [INFO ] Invariant cache hit.
[2024-06-01 05:37:01] [INFO ] Implicit Places using invariants in 394 ms returned []
[2024-06-01 05:37:01] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:37:01] [INFO ] Invariant cache hit.
[2024-06-01 05:37:01] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:37:02] [INFO ] Implicit Places using invariants and state equation in 925 ms returned []
Implicit Place search using SMT with State Equation took 1323 ms to find 0 implicit places.
[2024-06-01 05:37:02] [INFO ] Redundant transitions in 54 ms returned []
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:37:02] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:37:02] [INFO ] Invariant cache hit.
[2024-06-01 05:37:02] [INFO ] State equation strengthened by 21 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
[2024-06-01 05:37:25] [INFO ] Deduced a trap composed of 5 places in 257 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30069 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 2024/2024 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2024 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/183 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/183 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2024 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/183 constraints, ReadFeed: 0/21 constraints, PredecessorRefiner: 0/2024 constraints, Known Traps: 1/1 constraints]
After SMT, in 73509ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 73533ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75066 ms. Remains : 183/183 places, 2027/2027 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[50]
Ending property specific reduction for BridgeAndVehicles-COL-V80P50N10-UpperBounds-03 in 280165 ms.
[2024-06-01 05:38:16] [INFO ] Flatten gal took : 217 ms
[2024-06-01 05:38:16] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-06-01 05:38:16] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 184 places, 2028 transitions and 14986 arcs took 15 ms.
Total runtime 968187 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-COL-V80P50N10-UpperBounds-02
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-UpperBounds-03

BK_STOP 1717220302076

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name BridgeAndVehicles-COL-V80P50N10-UpperBounds-02
ub formula formula --maxsum=/tmp/974/ub_0_
ub formula name BridgeAndVehicles-COL-V80P50N10-UpperBounds-03
ub formula formula --maxsum=/tmp/974/ub_1_
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-COL-V80P50N10"
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-COL-V80P50N10, 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-171620398900141"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V80P50N10.tgz
mv BridgeAndVehicles-COL-V80P50N10 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 ;