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-171620398800117.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-V80P20N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r472-tajo-171620398800117
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 7.4K Apr 13 01:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 13 01:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Apr 13 00:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 84K 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 4.3K 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 2.9K Apr 22 14:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 01:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 13 01:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 13 01:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Apr 13 01:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K 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-V80P20N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V80P20N10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717219064898

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-V80P20N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:17:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 05:17:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:17:46] [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 05:17:46] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 05:17:47] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 645 ms
[2024-06-01 05:17:47] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 188 PT places and 289218.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Reduction of identical properties reduced properties to check from 16 to 9
[2024-06-01 05:17:47] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2024-06-01 05:17:47] [INFO ] Skeletonized 9 HLPN properties in 0 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 05:17:47] [INFO ] Computed 4 invariants in 4 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[80, 1, 20, 0, 0, 0, 80, 0, 0] Max Struct:[80, 1, 20, 80, 20, 80, 80, 1, 20]
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-12 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-13 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-06 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-02 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-08 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-09 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-11 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-00 80 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2024-06-01 05:17:47] [INFO ] Invariant cache hit.
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-06-01 05:17:47] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 05:17:47] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 05:17:47] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 05:17:47] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 17 ms.
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 05:17:47] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 05:17:47] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 3 ms.
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 05:17:47] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 05:17:47] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 3 ms.
[2024-06-01 05:17:47] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:17:47] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-01 05:17:47] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-06-01 05:17:47] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 17 ms.
[2024-06-01 05:17:47] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 15 ms.
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-06-01 05:17:47] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 05:17:47] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 05:17:47] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[80, 20, 80, 1, 20]
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 05:17:47] [INFO ] Unfolded HLPN to a Petri net with 188 places and 2108 transitions 15950 arcs in 153 ms.
[2024-06-01 05:17:47] [INFO ] Unfolded 5 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[80, 20, 80, 1, 20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[80, 20, 80, 1, 20]
[2024-06-01 05:17:48] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
// Phase 1: matrix 370 rows 188 cols
[2024-06-01 05:17:48] [INFO ] Computed 7 invariants in 31 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[80, 20, 80, 1, 20]
RANDOM walk for 10000 steps (14 resets) in 302 ms. (33 steps per ms)
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-05 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V80P20N10-UpperBounds-03 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20001 steps (11 resets) in 90 ms. (219 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 7] Max Struct:[20, 20]
[2024-06-01 05:17:48] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:17:48] [INFO ] Invariant cache hit.
[2024-06-01 05:17:48] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2024-06-01 05:17:48] [INFO ] [Real]Absence check using state equation in 114 ms returned sat
[2024-06-01 05:17:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:17:48] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2024-06-01 05:17:48] [INFO ] [Nat]Absence check using state equation in 130 ms returned sat
[2024-06-01 05:17:49] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:17:49] [INFO ] [Nat]Added 22 Read/Feed constraints in 50 ms returned sat
[2024-06-01 05:17:49] [INFO ] Deduced a trap composed of 5 places in 604 ms of which 28 ms to minimize.
[2024-06-01 05:17:50] [INFO ] Deduced a trap composed of 6 places in 412 ms of which 2 ms to minimize.
[2024-06-01 05:17:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1082 ms
[2024-06-01 05:17:50] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 117 ms.
[2024-06-01 05:17:50] [INFO ] Added : 10 causal constraints over 2 iterations in 234 ms. Result :sat
Minimization took 260 ms.
[2024-06-01 05:17:50] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2024-06-01 05:17:50] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-06-01 05:17:50] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:17:50] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2024-06-01 05:17:51] [INFO ] [Nat]Absence check using state equation in 130 ms returned sat
[2024-06-01 05:17:51] [INFO ] [Nat]Added 22 Read/Feed constraints in 26 ms returned sat
[2024-06-01 05:17:51] [INFO ] Deduced a trap composed of 6 places in 359 ms of which 2 ms to minimize.
[2024-06-01 05:17:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 405 ms
[2024-06-01 05:17:51] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 213 ms.
[2024-06-01 05:17:52] [INFO ] Deduced a trap composed of 5 places in 281 ms of which 1 ms to minimize.
[2024-06-01 05:17:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 325 ms
[2024-06-01 05:17:52] [INFO ] Added : 8 causal constraints over 8 iterations in 969 ms. Result :sat
Minimization took 384 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 7] Max Struct:[20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[20, 20]
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.16 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 363 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 05:17:53] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
// Phase 1: matrix 370 rows 186 cols
[2024-06-01 05:17:53] [INFO ] Computed 5 invariants in 10 ms
[2024-06-01 05:17:53] [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 05:18:19] [INFO ] Deduced a trap composed of 5 places in 272 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 20116 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 55535ms problems are : Problem set: 0 solved, 2105 unsolved
Search for dead transitions found 0 dead transitions in 55591ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55981 ms. Remains : 186/188 places, 2108/2108 transitions.
[2024-06-01 05:18:49] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:18:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[20, 20]
RANDOM walk for 1000000 steps (1423 resets) in 6445 ms. (155 steps per ms)
BEST_FIRST walk for 2000001 steps (1082 resets) in 4790 ms. (417 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[20, 20]
[2024-06-01 05:19:00] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:19:00] [INFO ] Invariant cache hit.
[2024-06-01 05:19:00] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:19:00] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2024-06-01 05:19:00] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:19:00] [INFO ] [Real]Added 22 Read/Feed constraints in 20 ms returned sat
[2024-06-01 05:19:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:19:00] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:19:00] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2024-06-01 05:19:00] [INFO ] [Nat]Added 22 Read/Feed constraints in 35 ms returned sat
[2024-06-01 05:19:00] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 66 ms.
[2024-06-01 05:19:01] [INFO ] Deduced a trap composed of 15 places in 289 ms of which 1 ms to minimize.
[2024-06-01 05:19:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 347 ms
[2024-06-01 05:19:01] [INFO ] Added : 10 causal constraints over 2 iterations in 661 ms. Result :sat
Minimization took 274 ms.
[2024-06-01 05:19:01] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:19:01] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2024-06-01 05:19:01] [INFO ] [Real]Added 22 Read/Feed constraints in 18 ms returned sat
[2024-06-01 05:19:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:19:01] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:19:01] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2024-06-01 05:19:01] [INFO ] [Nat]Added 22 Read/Feed constraints in 40 ms returned sat
[2024-06-01 05:19:02] [INFO ] Deduced a trap composed of 5 places in 374 ms of which 2 ms to minimize.
[2024-06-01 05:19:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 416 ms
[2024-06-01 05:19:02] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 80 ms.
[2024-06-01 05:19:02] [INFO ] Added : 12 causal constraints over 10 iterations in 348 ms. Result :sat
Minimization took 225 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[20, 20]
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 278 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 280 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 222 ms. Remains 186 /186 variables (removed 0) and now considering 2108/2108 (removed 0) transitions.
[2024-06-01 05:19:03] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:19:03] [INFO ] Invariant cache hit.
[2024-06-01 05:19:04] [INFO ] Implicit Places using invariants in 464 ms returned []
[2024-06-01 05:19:04] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:19:04] [INFO ] Invariant cache hit.
[2024-06-01 05:19:04] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:19:05] [INFO ] Implicit Places using invariants and state equation in 1387 ms returned [83, 167]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1865 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 255 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 2346 ms. Remains : 184/186 places, 2108/2108 transitions.
[2024-06-01 05:19:06] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
// Phase 1: matrix 370 rows 184 cols
[2024-06-01 05:19:06] [INFO ] Computed 5 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[20, 20]
RANDOM walk for 1000000 steps (1423 resets) in 6158 ms. (162 steps per ms)
BEST_FIRST walk for 2000001 steps (1084 resets) in 4188 ms. (477 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[20, 20]
[2024-06-01 05:19:16] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:19:16] [INFO ] Invariant cache hit.
[2024-06-01 05:19:16] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:19:16] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2024-06-01 05:19:16] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:19:16] [INFO ] [Real]Added 22 Read/Feed constraints in 21 ms returned sat
[2024-06-01 05:19:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:19:16] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:19:16] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2024-06-01 05:19:16] [INFO ] [Nat]Added 22 Read/Feed constraints in 39 ms returned sat
[2024-06-01 05:19:16] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 57 ms.
[2024-06-01 05:19:17] [INFO ] Added : 10 causal constraints over 2 iterations in 346 ms. Result :sat
Minimization took 259 ms.
[2024-06-01 05:19:17] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:19:17] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2024-06-01 05:19:17] [INFO ] [Real]Added 22 Read/Feed constraints in 21 ms returned sat
[2024-06-01 05:19:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:19:17] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:19:17] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2024-06-01 05:19:17] [INFO ] [Nat]Added 22 Read/Feed constraints in 31 ms returned sat
[2024-06-01 05:19:17] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 197 transitions) in 63 ms.
[2024-06-01 05:19:18] [INFO ] Added : 7 causal constraints over 6 iterations in 405 ms. Result :sat
Minimization took 200 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[20, 20]
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 176 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 176 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 161 ms. Remains 184 /184 variables (removed 0) and now considering 2108/2108 (removed 0) transitions.
[2024-06-01 05:19:19] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:19:19] [INFO ] Invariant cache hit.
[2024-06-01 05:19:19] [INFO ] Implicit Places using invariants in 389 ms returned []
[2024-06-01 05:19:19] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:19:19] [INFO ] Invariant cache hit.
[2024-06-01 05:19:19] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:19:20] [INFO ] Implicit Places using invariants and state equation in 781 ms returned []
Implicit Place search using SMT with State Equation took 1174 ms to find 0 implicit places.
[2024-06-01 05:19:20] [INFO ] Redundant transitions in 154 ms returned []
Running 2105 sub problems to find dead transitions.
[2024-06-01 05:19:20] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:19:20] [INFO ] Invariant cache hit.
[2024-06-01 05:19:20] [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 05:19:46] [INFO ] Deduced a trap composed of 5 places in 296 ms of which 1 ms to minimize.
[2024-06-01 05:20:02] [INFO ] Deduced a trap composed of 15 places in 202 ms of which 2 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
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
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 30049 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 30033 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 75850ms problems are : Problem set: 80 solved, 2025 unsolved
Search for dead transitions found 80 dead transitions in 75878ms
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 156 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
[2024-06-01 05:20:36] [INFO ] Redundant transitions in 113 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 77664 ms. Remains : 184/184 places, 2028/2108 transitions.
[2024-06-01 05:20:36] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
// Phase 1: matrix 369 rows 184 cols
[2024-06-01 05:20:36] [INFO ] Computed 5 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[20, 20]
RANDOM walk for 1000000 steps (1424 resets) in 6452 ms. (154 steps per ms)
BEST_FIRST walk for 2000002 steps (1083 resets) in 4117 ms. (485 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[20, 20]
[2024-06-01 05:20:47] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:20:47] [INFO ] Invariant cache hit.
[2024-06-01 05:20:47] [INFO ] [Real]Absence check using 5 positive place invariants in 11 ms returned sat
[2024-06-01 05:20:47] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-06-01 05:20:47] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:20:47] [INFO ] [Real]Added 21 Read/Feed constraints in 27 ms returned sat
[2024-06-01 05:20:47] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:20:47] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:20:47] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2024-06-01 05:20:47] [INFO ] [Nat]Added 21 Read/Feed constraints in 45 ms returned sat
[2024-06-01 05:20:47] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 196 transitions) in 67 ms.
[2024-06-01 05:20:47] [INFO ] Added : 10 causal constraints over 2 iterations in 204 ms. Result :sat
Minimization took 213 ms.
[2024-06-01 05:20:48] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:20:48] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2024-06-01 05:20:48] [INFO ] [Real]Added 21 Read/Feed constraints in 17 ms returned sat
[2024-06-01 05:20:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:20:48] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:20:48] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2024-06-01 05:20:48] [INFO ] [Nat]Added 21 Read/Feed constraints in 26 ms returned sat
[2024-06-01 05:20:48] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 196 transitions) in 42 ms.
[2024-06-01 05:20:48] [INFO ] Added : 12 causal constraints over 10 iterations in 261 ms. Result :sat
Minimization took 159 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[20, 20]
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 184 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 184 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 177 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
[2024-06-01 05:20:49] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:20:49] [INFO ] Invariant cache hit.
[2024-06-01 05:20:50] [INFO ] Implicit Places using invariants in 324 ms returned []
[2024-06-01 05:20:50] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:20:50] [INFO ] Invariant cache hit.
[2024-06-01 05:20:50] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:20:50] [INFO ] Implicit Places using invariants and state equation in 844 ms returned []
Implicit Place search using SMT with State Equation took 1169 ms to find 0 implicit places.
[2024-06-01 05:20:50] [INFO ] Redundant transitions in 55 ms returned []
Running 2025 sub problems to find dead transitions.
[2024-06-01 05:20:50] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:20:50] [INFO ] Invariant cache hit.
[2024-06-01 05:20:50] [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 05:21:16] [INFO ] Deduced a trap composed of 5 places in 183 ms of which 2 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 30035 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 30038 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 76021ms problems are : Problem set: 0 solved, 2025 unsolved
Search for dead transitions found 0 dead transitions in 76052ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77468 ms. Remains : 184/184 places, 2028/2028 transitions.
RANDOM walk for 40000 steps (56 resets) in 1299 ms. (30 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (20 resets) in 322 ms. (123 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40010 steps (20 resets) in 200 ms. (199 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (20 resets) in 212 ms. (187 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (20 resets) in 290 ms. (137 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 230723 steps, run timeout after 3001 ms. (steps per millisecond=76 ) properties seen :0 out of 4
Probabilistic random walk after 230723 steps, saw 63900 distinct states, run finished after 3005 ms. (steps per millisecond=76 ) properties seen :0
[2024-06-01 05:22:10] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:22:10] [INFO ] Invariant cache hit.
[2024-06-01 05:22:10] [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 05:22:11] [INFO ] Deduced a trap composed of 5 places in 154 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 05:22:11] [INFO ] Deduced a trap composed of 5 places in 261 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 1397 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 2178 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 3614ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 2276 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 171 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 05:22:16] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:22:16] [INFO ] Invariant cache hit.
[2024-06-01 05:22:16] [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 05:22:42] [INFO ] Deduced a trap composed of 5 places in 241 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 20039 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
Error getting values : (error "ParserException while parsing response: ((s0 19)
(s1 1)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 0)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s21 0)
(s22 0)
(s23 0)
(s24 0)
(s25 0)
(s26 0)
(s27 0)
(s28 0)
(s29 0)
(s30 0)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 0)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 0)
(s42 0)
(s43 0)
(s44 0)
(s45 0)
(s46 0)
(s47 0)
(s48 0)
(s49 0)
(s50 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 20036 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 55322ms problems are : Problem set: 0 solved, 2025 unsolved
Search for dead transitions found 0 dead transitions in 55350ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55532 ms. Remains : 184/184 places, 2028/2028 transitions.
RANDOM walk for 40000 steps (56 resets) in 622 ms. (64 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40011 steps (20 resets) in 332 ms. (120 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40008 steps (20 resets) in 236 ms. (168 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (20 resets) in 206 ms. (193 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (20 resets) in 194 ms. (205 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 229372 steps, run timeout after 3001 ms. (steps per millisecond=76 ) properties seen :0 out of 4
Probabilistic random walk after 229372 steps, saw 63566 distinct states, run finished after 3001 ms. (steps per millisecond=76 ) properties seen :0
[2024-06-01 05:23:15] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:23:15] [INFO ] Invariant cache hit.
[2024-06-01 05:23:15] [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 05:23:16] [INFO ] Deduced a trap composed of 5 places in 139 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 05:23:16] [INFO ] Deduced a trap composed of 5 places in 223 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 1155 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 1833 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 3019ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 1784 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 219 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 220 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 179 ms. Remains 184 /184 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
[2024-06-01 05:23:21] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:23:21] [INFO ] Invariant cache hit.
[2024-06-01 05:23:21] [INFO ] Implicit Places using invariants in 348 ms returned []
[2024-06-01 05:23:21] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:23:21] [INFO ] Invariant cache hit.
[2024-06-01 05:23:21] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:23:22] [INFO ] Implicit Places using invariants and state equation in 763 ms returned []
Implicit Place search using SMT with State Equation took 1114 ms to find 0 implicit places.
[2024-06-01 05:23:22] [INFO ] Redundant transitions in 58 ms returned []
Running 2025 sub problems to find dead transitions.
[2024-06-01 05:23:22] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:23:22] [INFO ] Invariant cache hit.
[2024-06-01 05:23:22] [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 05:23:48] [INFO ] Deduced a trap composed of 5 places in 277 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 30038 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 30035 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 75893ms problems are : Problem set: 0 solved, 2025 unsolved
Search for dead transitions found 0 dead transitions in 75927ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77297 ms. Remains : 184/184 places, 2028/2028 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10, 10] Max Struct:[20, 20]
Starting property specific reduction for BridgeAndVehicles-COL-V80P20N10-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[20]
[2024-06-01 05:24:38] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:24:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[20]
RANDOM walk for 10000 steps (14 resets) in 62 ms. (158 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 26 ms. (370 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-06-01 05:24:38] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:24:38] [INFO ] Invariant cache hit.
[2024-06-01 05:24:38] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:24:38] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2024-06-01 05:24:38] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:24:38] [INFO ] [Real]Added 21 Read/Feed constraints in 20 ms returned sat
[2024-06-01 05:24:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:24:38] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:24:38] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2024-06-01 05:24:38] [INFO ] [Nat]Added 21 Read/Feed constraints in 37 ms returned sat
[2024-06-01 05:24:38] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 196 transitions) in 69 ms.
[2024-06-01 05:24:38] [INFO ] Added : 10 causal constraints over 2 iterations in 250 ms. Result :sat
Minimization took 266 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 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 176 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 05:24:39] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
// Phase 1: matrix 368 rows 183 cols
[2024-06-01 05:24:39] [INFO ] Computed 5 invariants in 5 ms
[2024-06-01 05:24:39] [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 05:25:03] [INFO ] Deduced a trap composed of 5 places in 239 ms of which 0 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20035 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 20043 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 55266ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 55294ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55477 ms. Remains : 183/184 places, 2027/2028 transitions.
[2024-06-01 05:25:34] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:25:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (1643 resets) in 6927 ms. (144 steps per ms)
BEST_FIRST walk for 1000001 steps (696 resets) in 2712 ms. (368 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-06-01 05:25:44] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:25:44] [INFO ] Invariant cache hit.
[2024-06-01 05:25:44] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:25:44] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2024-06-01 05:25:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:25:44] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-06-01 05:25:44] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-06-01 05:25:44] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:25:44] [INFO ] [Nat]Added 21 Read/Feed constraints in 33 ms returned sat
[2024-06-01 05:25:45] [INFO ] Deduced a trap composed of 5 places in 323 ms of which 1 ms to minimize.
[2024-06-01 05:25:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 357 ms
[2024-06-01 05:25:45] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 195 transitions) in 66 ms.
[2024-06-01 05:25:45] [INFO ] Added : 11 causal constraints over 3 iterations in 224 ms. Result :sat
Minimization took 362 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 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 188 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 188 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 214 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
[2024-06-01 05:25:46] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:25:46] [INFO ] Invariant cache hit.
[2024-06-01 05:25:46] [INFO ] Implicit Places using invariants in 414 ms returned []
[2024-06-01 05:25:46] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:25:46] [INFO ] Invariant cache hit.
[2024-06-01 05:25:47] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:25:48] [INFO ] Implicit Places using invariants and state equation in 1736 ms returned []
Implicit Place search using SMT with State Equation took 2154 ms to find 0 implicit places.
[2024-06-01 05:25:48] [INFO ] Redundant transitions in 72 ms returned []
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:25:48] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:25:48] [INFO ] Invariant cache hit.
[2024-06-01 05:25:48] [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 05:26:13] [INFO ] Deduced a trap composed of 5 places in 249 ms of which 2 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 30047 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
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 30030 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 76330ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 76361ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78817 ms. Remains : 183/183 places, 2027/2027 transitions.
RANDOM walk for 40000 steps (64 resets) in 645 ms. (61 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (25 resets) in 163 ms. (243 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (27 resets) in 204 ms. (195 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 278769 steps, run timeout after 3001 ms. (steps per millisecond=92 ) properties seen :0 out of 2
Probabilistic random walk after 278769 steps, saw 76501 distinct states, run finished after 3001 ms. (steps per millisecond=92 ) properties seen :0
[2024-06-01 05:27:08] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:27:08] [INFO ] Invariant cache hit.
[2024-06-01 05:27:08] [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 05:27:08] [INFO ] Deduced a trap composed of 4 places in 88 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 05:27:09] [INFO ] Deduced a trap composed of 5 places in 262 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 1082 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 2293 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 3416ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 376 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 199 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 05:27:12] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:27:12] [INFO ] Invariant cache hit.
[2024-06-01 05:27:12] [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 05:27:36] [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 183/551 variables, and 6 constraints, problems are : Problem set: 0 solved, 2024 unsolved in 20031 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 20026 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 55369ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 55394ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55599 ms. Remains : 183/183 places, 2027/2027 transitions.
RANDOM walk for 40000 steps (64 resets) in 482 ms. (82 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (25 resets) in 145 ms. (274 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (26 resets) in 194 ms. (205 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 265173 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 2
Probabilistic random walk after 265173 steps, saw 72997 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2024-06-01 05:28:11] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:28:11] [INFO ] Invariant cache hit.
[2024-06-01 05:28:11] [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 05:28:11] [INFO ] Deduced a trap composed of 4 places in 100 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 05:28:11] [INFO ] Deduced a trap composed of 5 places in 234 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 897 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 2659 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 3581ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 334 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 162 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 162 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 190 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
[2024-06-01 05:28:15] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:28:15] [INFO ] Invariant cache hit.
[2024-06-01 05:28:15] [INFO ] Implicit Places using invariants in 414 ms returned []
[2024-06-01 05:28:15] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:28:15] [INFO ] Invariant cache hit.
[2024-06-01 05:28:16] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:28:17] [INFO ] Implicit Places using invariants and state equation in 1422 ms returned []
Implicit Place search using SMT with State Equation took 1839 ms to find 0 implicit places.
[2024-06-01 05:28:17] [INFO ] Redundant transitions in 72 ms returned []
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:28:17] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:28:17] [INFO ] Invariant cache hit.
[2024-06-01 05:28:17] [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 05:28:42] [INFO ] Deduced a trap composed of 5 places in 260 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 30033 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 30026 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 76386ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 76416ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78536 ms. Remains : 183/183 places, 2027/2027 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[20]
Ending property specific reduction for BridgeAndVehicles-COL-V80P20N10-UpperBounds-04 in 295681 ms.
Starting property specific reduction for BridgeAndVehicles-COL-V80P20N10-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[20]
[2024-06-01 05:29:33] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
// Phase 1: matrix 369 rows 184 cols
[2024-06-01 05:29:33] [INFO ] Computed 5 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[20]
RANDOM walk for 10000 steps (14 resets) in 60 ms. (163 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 21 ms. (454 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-06-01 05:29:33] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
[2024-06-01 05:29:33] [INFO ] Invariant cache hit.
[2024-06-01 05:29:34] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:29:34] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2024-06-01 05:29:34] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:29:34] [INFO ] [Real]Added 21 Read/Feed constraints in 29 ms returned sat
[2024-06-01 05:29:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:29:34] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:29:34] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2024-06-01 05:29:34] [INFO ] [Nat]Added 21 Read/Feed constraints in 33 ms returned sat
[2024-06-01 05:29:34] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 196 transitions) in 65 ms.
[2024-06-01 05:29:34] [INFO ] Added : 12 causal constraints over 10 iterations in 371 ms. Result :sat
Minimization took 195 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 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 205 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 05:29:35] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
// Phase 1: matrix 368 rows 183 cols
[2024-06-01 05:29:35] [INFO ] Computed 5 invariants in 4 ms
[2024-06-01 05:29:35] [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 05:30:02] [INFO ] Deduced a trap composed of 5 places in 345 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 20056 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 20052 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 55557ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 55590ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55802 ms. Remains : 183/184 places, 2027/2028 transitions.
[2024-06-01 05:30:31] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:30:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (1643 resets) in 6185 ms. (161 steps per ms)
BEST_FIRST walk for 1000001 steps (672 resets) in 2414 ms. (414 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-06-01 05:30:39] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:30:39] [INFO ] Invariant cache hit.
[2024-06-01 05:30:39] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:30:39] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2024-06-01 05:30:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:30:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:30:39] [INFO ] [Nat]Absence check using state equation in 86 ms returned sat
[2024-06-01 05:30:39] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:30:40] [INFO ] [Nat]Added 21 Read/Feed constraints in 51 ms returned sat
[2024-06-01 05:30:40] [INFO ] Computed and/alt/rep : 170/338/170 causal constraints (skipped 195 transitions) in 69 ms.
[2024-06-01 05:30:40] [INFO ] Added : 7 causal constraints over 6 iterations in 443 ms. Result :sat
Minimization took 211 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 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 162 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 162 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 168 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
[2024-06-01 05:30:41] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:30:41] [INFO ] Invariant cache hit.
[2024-06-01 05:30:41] [INFO ] Implicit Places using invariants in 417 ms returned []
[2024-06-01 05:30:41] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:30:41] [INFO ] Invariant cache hit.
[2024-06-01 05:30:41] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:30:42] [INFO ] Implicit Places using invariants and state equation in 1037 ms returned []
Implicit Place search using SMT with State Equation took 1457 ms to find 0 implicit places.
[2024-06-01 05:30:42] [INFO ] Redundant transitions in 74 ms returned []
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:30:42] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:30:42] [INFO ] Invariant cache hit.
[2024-06-01 05:30:42] [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 05:31:06] [INFO ] Deduced a trap composed of 5 places in 265 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 30047 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 30041 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 74737ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 74770ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76488 ms. Remains : 183/183 places, 2027/2027 transitions.
RANDOM walk for 40000 steps (64 resets) in 499 ms. (80 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (24 resets) in 231 ms. (172 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40000 steps (24 resets) in 352 ms. (113 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 243991 steps, run timeout after 3001 ms. (steps per millisecond=81 ) properties seen :0 out of 2
Probabilistic random walk after 243991 steps, saw 74259 distinct states, run finished after 3001 ms. (steps per millisecond=81 ) properties seen :0
[2024-06-01 05:32:00] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:32:00] [INFO ] Invariant cache hit.
[2024-06-01 05:32:00] [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 05:32:01] [INFO ] Deduced a trap composed of 4 places in 107 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
All remaining problems are real, not stopping.
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
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 162/550 variables, 81/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/550 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/550 variables, 10/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/551 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/551 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/551 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 210 constraints, problems are : Problem set: 0 solved, 2 unsolved in 449 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: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 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, 0/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 162/550 variables, 81/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/550 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 10/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/551 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/551 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/551 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 212 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1319 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: 1/1 constraints]
After SMT, in 1787ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 130 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 194 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 05:32:02] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:32:02] [INFO ] Invariant cache hit.
[2024-06-01 05:32:02] [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 05:32:27] [INFO ] Deduced a trap composed of 5 places in 243 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 20041 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 20060 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 55009ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 55034ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55234 ms. Remains : 183/183 places, 2027/2027 transitions.
RANDOM walk for 40000 steps (64 resets) in 886 ms. (45 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (24 resets) in 210 ms. (189 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (24 resets) in 217 ms. (183 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 268087 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 2
Probabilistic random walk after 268087 steps, saw 81017 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2024-06-01 05:33:01] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:33:01] [INFO ] Invariant cache hit.
[2024-06-01 05:33:01] [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 05:33:01] [INFO ] Deduced a trap composed of 4 places in 99 ms of which 0 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
All remaining problems are real, not stopping.
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
At refinement iteration 14 (INCLUDED_ONLY) 0/388 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 162/550 variables, 81/198 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/550 variables, 1/199 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/550 variables, 10/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/551 variables, 1/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/551 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/551 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 551/551 variables, and 210 constraints, problems are : Problem set: 0 solved, 2 unsolved in 415 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: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 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, 0/119 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 162/550 variables, 81/200 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/550 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/550 variables, 10/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/550 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/551 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/551 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/551 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 551/551 variables, and 212 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1072 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: 1/1 constraints]
After SMT, in 1523ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 147 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 166 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 166 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 167 ms. Remains 183 /183 variables (removed 0) and now considering 2027/2027 (removed 0) transitions.
[2024-06-01 05:33:03] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:33:03] [INFO ] Invariant cache hit.
[2024-06-01 05:33:03] [INFO ] Implicit Places using invariants in 391 ms returned []
[2024-06-01 05:33:03] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:33:03] [INFO ] Invariant cache hit.
[2024-06-01 05:33:03] [INFO ] State equation strengthened by 21 read => feed constraints.
[2024-06-01 05:33:04] [INFO ] Implicit Places using invariants and state equation in 941 ms returned []
Implicit Place search using SMT with State Equation took 1335 ms to find 0 implicit places.
[2024-06-01 05:33:04] [INFO ] Redundant transitions in 55 ms returned []
Running 2024 sub problems to find dead transitions.
[2024-06-01 05:33:04] [INFO ] Flow matrix only has 368 transitions (discarded 1659 similar events)
[2024-06-01 05:33:04] [INFO ] Invariant cache hit.
[2024-06-01 05:33:04] [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 05:33:29] [INFO ] Deduced a trap composed of 5 places in 289 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 30040 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 30042 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 75499ms problems are : Problem set: 0 solved, 2024 unsolved
Search for dead transitions found 0 dead transitions in 75527ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77096 ms. Remains : 183/183 places, 2027/2027 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[20]
Ending property specific reduction for BridgeAndVehicles-COL-V80P20N10-UpperBounds-14 in 286466 ms.
[2024-06-01 05:34:20] [INFO ] Flatten gal took : 216 ms
[2024-06-01 05:34:20] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 4 ms.
[2024-06-01 05:34:20] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 184 places, 2028 transitions and 14986 arcs took 34 ms.
Total runtime 994369 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-V80P20N10-UpperBounds-04
Could not compute solution for formula : BridgeAndVehicles-COL-V80P20N10-UpperBounds-14

BK_STOP 1717220061042

--------------------
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-V80P20N10-UpperBounds-04
ub formula formula --maxsum=/tmp/965/ub_0_
ub formula name BridgeAndVehicles-COL-V80P20N10-UpperBounds-14
ub formula formula --maxsum=/tmp/965/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-V80P20N10"
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-V80P20N10, 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-171620398800117"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V80P20N10.tgz
mv BridgeAndVehicles-COL-V80P20N10 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 ;