Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r536-tall-171690533400885.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is Szymanski-PT-b08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r536-tall-171690533400885
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 19 07:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 16:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 19 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 3.7M May 18 16:43 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 Szymanski-PT-b08-UpperBounds-00
FORMULA_NAME Szymanski-PT-b08-UpperBounds-01
FORMULA_NAME Szymanski-PT-b08-UpperBounds-02
FORMULA_NAME Szymanski-PT-b08-UpperBounds-03
FORMULA_NAME Szymanski-PT-b08-UpperBounds-04
FORMULA_NAME Szymanski-PT-b08-UpperBounds-05
FORMULA_NAME Szymanski-PT-b08-UpperBounds-06
FORMULA_NAME Szymanski-PT-b08-UpperBounds-07
FORMULA_NAME Szymanski-PT-b08-UpperBounds-08
FORMULA_NAME Szymanski-PT-b08-UpperBounds-09
FORMULA_NAME Szymanski-PT-b08-UpperBounds-10
FORMULA_NAME Szymanski-PT-b08-UpperBounds-11
FORMULA_NAME Szymanski-PT-b08-UpperBounds-12
FORMULA_NAME Szymanski-PT-b08-UpperBounds-13
FORMULA_NAME Szymanski-PT-b08-UpperBounds-14
FORMULA_NAME Szymanski-PT-b08-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717284275081

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 23:24:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 23:24:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 23:24:36] [INFO ] Load time of PNML (sax parser for PT used): 340 ms
[2024-06-01 23:24:36] [INFO ] Transformed 568 places.
[2024-06-01 23:24:36] [INFO ] Transformed 8320 transitions.
[2024-06-01 23:24:36] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 481 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 260 places in 19 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b08-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b08-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2024-06-01 23:24:36] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2024-06-01 23:24:36] [INFO ] Computed 3 invariants in 66 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 8, 1]
RANDOM walk for 10003 steps (2 resets) in 56 ms. (175 steps per ms)
FORMULA Szymanski-PT-b08-UpperBounds-09 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Szymanski-PT-b08-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30002 steps (11 resets) in 70 ms. (422 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2024-06-01 23:24:37] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-06-01 23:24:37] [INFO ] Invariant cache hit.
[2024-06-01 23:24:37] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2024-06-01 23:24:37] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 9 ms returned sat
[2024-06-01 23:24:37] [INFO ] [Real]Absence check using state equation in 483 ms returned sat
[2024-06-01 23:24:37] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-06-01 23:24:38] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 23:24:38] [INFO ] [Real]Added 147 Read/Feed constraints in 809 ms returned sat
[2024-06-01 23:24:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 23:24:38] [INFO ] [Nat]Absence check using 2 positive place invariants in 11 ms returned sat
[2024-06-01 23:24:38] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 23:24:39] [INFO ] [Nat]Absence check using state equation in 512 ms returned sat
[2024-06-01 23:24:40] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 23:24:40] [INFO ] [Nat]Added 147 Read/Feed constraints in 1165 ms returned unknown
[2024-06-01 23:24:40] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-06-01 23:24:40] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 23:24:40] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2024-06-01 23:24:41] [INFO ] [Real]Added 147 Read/Feed constraints in 85 ms returned sat
[2024-06-01 23:24:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 23:24:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-06-01 23:24:41] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 23:24:41] [INFO ] [Nat]Absence check using state equation in 423 ms returned sat
[2024-06-01 23:24:42] [INFO ] [Nat]Added 147 Read/Feed constraints in 441 ms returned sat
[2024-06-01 23:24:42] [INFO ] Deduced a trap composed of 33 places in 689 ms of which 47 ms to minimize.
[2024-06-01 23:24:43] [INFO ] Deduced a trap composed of 32 places in 641 ms of which 3 ms to minimize.
[2024-06-01 23:24:44] [INFO ] Deduced a trap composed of 50 places in 548 ms of which 3 ms to minimize.
[2024-06-01 23:24:44] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2146 ms
[2024-06-01 23:24:44] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 656 ms.
[2024-06-01 23:24:45] [INFO ] Added : 0 causal constraints over 0 iterations in 857 ms. Result :sat
Minimization took 623 ms.
[2024-06-01 23:24:45] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-06-01 23:24:45] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 23:24:46] [INFO ] [Real]Absence check using state equation in 672 ms returned sat
[2024-06-01 23:24:46] [INFO ] [Real]Added 147 Read/Feed constraints in 207 ms returned sat
[2024-06-01 23:24:46] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 23:24:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-06-01 23:24:46] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 23:24:47] [INFO ] [Nat]Absence check using state equation in 648 ms returned sat
[2024-06-01 23:24:48] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 23:24:48] [INFO ] [Nat]Added 147 Read/Feed constraints in 1054 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.20 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 127 place count 306 transition count 7938
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 128 place count 305 transition count 7810
Iterating global reduction 1 with 1 rules applied. Total rules applied 129 place count 305 transition count 7810
Applied a total of 129 rules in 474 ms. Remains 305 /308 variables (removed 3) and now considering 7810/8064 (removed 254) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 490 ms. Remains : 305/308 places, 7810/8064 transitions.
[2024-06-01 23:24:49] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2024-06-01 23:24:49] [INFO ] Computed 1 invariants in 26 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000004 steps (2 resets) in 1286 ms. (777 steps per ms)
FORMULA Szymanski-PT-b08-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3000001 steps (6 resets) in 2495 ms. (1201 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2024-06-01 23:24:52] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2024-06-01 23:24:52] [INFO ] Invariant cache hit.
[2024-06-01 23:24:53] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-06-01 23:24:53] [INFO ] [Real]Absence check using state equation in 418 ms returned sat
[2024-06-01 23:24:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-06-01 23:24:53] [INFO ] [Real]Added 147 Read/Feed constraints in 73 ms returned sat
[2024-06-01 23:24:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 23:24:53] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-06-01 23:24:54] [INFO ] [Nat]Absence check using state equation in 400 ms returned sat
[2024-06-01 23:24:54] [INFO ] [Nat]Added 147 Read/Feed constraints in 614 ms returned sat
[2024-06-01 23:24:55] [INFO ] Deduced a trap composed of 121 places in 509 ms of which 4 ms to minimize.
[2024-06-01 23:24:55] [INFO ] Deduced a trap composed of 160 places in 460 ms of which 11 ms to minimize.
[2024-06-01 23:24:56] [INFO ] Deduced a trap composed of 45 places in 392 ms of which 2 ms to minimize.
[2024-06-01 23:24:56] [INFO ] Deduced a trap composed of 74 places in 453 ms of which 1 ms to minimize.
[2024-06-01 23:24:56] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2113 ms
[2024-06-01 23:24:57] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2595 transitions) in 504 ms.
[2024-06-01 23:24:57] [INFO ] Added : 0 causal constraints over 0 iterations in 671 ms. Result :sat
Minimization took 4501 ms.
[2024-06-01 23:25:02] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2024-06-01 23:25:02] [INFO ] [Real]Absence check using state equation in 378 ms returned sat
[2024-06-01 23:25:02] [INFO ] [Real]Added 147 Read/Feed constraints in 59 ms returned sat
[2024-06-01 23:25:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 23:25:02] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2024-06-01 23:25:03] [INFO ] [Nat]Absence check using state equation in 420 ms returned sat
[2024-06-01 23:25:03] [INFO ] [Nat]Added 147 Read/Feed constraints in 411 ms returned sat
[2024-06-01 23:25:04] [INFO ] Deduced a trap composed of 45 places in 494 ms of which 3 ms to minimize.
[2024-06-01 23:25:04] [INFO ] Deduced a trap composed of 74 places in 416 ms of which 2 ms to minimize.
[2024-06-01 23:25:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1089 ms
[2024-06-01 23:25:04] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2595 transitions) in 329 ms.
[2024-06-01 23:25:05] [INFO ] Added : 0 causal constraints over 0 iterations in 486 ms. Result :sat
Minimization took 4501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 305 transition count 7808
Applied a total of 2 rules in 288 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7810 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 288 ms. Remains : 305/305 places, 7808/7810 transitions.
[2024-06-01 23:25:09] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2024-06-01 23:25:09] [INFO ] Computed 3 invariants in 16 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000004 steps (2 resets) in 931 ms. (1072 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 1570 ms. (1273 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2024-06-01 23:25:12] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-06-01 23:25:12] [INFO ] Invariant cache hit.
[2024-06-01 23:25:12] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-06-01 23:25:12] [INFO ] [Real]Absence check using state equation in 401 ms returned sat
[2024-06-01 23:25:12] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-06-01 23:25:13] [INFO ] [Real]Added 147 Read/Feed constraints in 85 ms returned sat
[2024-06-01 23:25:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 23:25:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-06-01 23:25:13] [INFO ] [Nat]Absence check using state equation in 406 ms returned sat
[2024-06-01 23:25:18] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 23:25:18] [INFO ] [Nat]Added 147 Read/Feed constraints in 5136 ms returned sat
[2024-06-01 23:25:19] [INFO ] Deduced a trap composed of 136 places in 587 ms of which 2 ms to minimize.
[2024-06-01 23:25:19] [INFO ] Deduced a trap composed of 133 places in 576 ms of which 2 ms to minimize.
[2024-06-01 23:25:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1580 ms
[2024-06-01 23:25:20] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 339 ms.
[2024-06-01 23:25:20] [INFO ] Added : 0 causal constraints over 0 iterations in 504 ms. Result :sat
Minimization took 4932 ms.
[2024-06-01 23:25:25] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-06-01 23:25:26] [INFO ] [Real]Absence check using state equation in 403 ms returned sat
[2024-06-01 23:25:26] [INFO ] [Real]Added 147 Read/Feed constraints in 122 ms returned sat
[2024-06-01 23:25:26] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 23:25:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-06-01 23:25:26] [INFO ] [Nat]Absence check using state equation in 397 ms returned sat
[2024-06-01 23:25:27] [INFO ] [Nat]Added 147 Read/Feed constraints in 975 ms returned sat
[2024-06-01 23:25:28] [INFO ] Deduced a trap composed of 130 places in 553 ms of which 3 ms to minimize.
[2024-06-01 23:25:29] [INFO ] Deduced a trap composed of 78 places in 599 ms of which 2 ms to minimize.
[2024-06-01 23:25:29] [INFO ] Deduced a trap composed of 129 places in 598 ms of which 3 ms to minimize.
[2024-06-01 23:25:29] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1976 ms
[2024-06-01 23:25:30] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 397 ms.
[2024-06-01 23:25:30] [INFO ] Added : 0 causal constraints over 0 iterations in 565 ms. Result :sat
Minimization took 4975 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 329 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 330 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 210 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2024-06-01 23:25:35] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-06-01 23:25:35] [INFO ] Invariant cache hit.
[2024-06-01 23:25:36] [INFO ] Implicit Places using invariants in 621 ms returned []
[2024-06-01 23:25:36] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-06-01 23:25:36] [INFO ] Invariant cache hit.
[2024-06-01 23:25:36] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-06-01 23:25:58] [INFO ] Implicit Places using invariants and state equation in 21764 ms returned []
Implicit Place search using SMT with State Equation took 22397 ms to find 0 implicit places.
[2024-06-01 23:25:59] [INFO ] Redundant transitions in 939 ms returned []
Running 7806 sub problems to find dead transitions.
[2024-06-01 23:25:59] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-06-01 23:25:59] [INFO ] Invariant cache hit.
[2024-06-01 23:25:59] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/2909 variables, and 3 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30168 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7806/7806 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7806 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
[2024-06-01 23:27:01] [INFO ] Deduced a trap composed of 138 places in 336 ms of which 2 ms to minimize.
[2024-06-01 23:27:02] [INFO ] Deduced a trap composed of 48 places in 404 ms of which 2 ms to minimize.
[2024-06-01 23:27:02] [INFO ] Deduced a trap composed of 86 places in 324 ms of which 2 ms to minimize.
[2024-06-01 23:27:03] [INFO ] Deduced a trap composed of 70 places in 247 ms of which 2 ms to minimize.
[2024-06-01 23:27:03] [INFO ] Deduced a trap composed of 72 places in 289 ms of which 1 ms to minimize.
[2024-06-01 23:27:04] [INFO ] Deduced a trap composed of 77 places in 311 ms of which 2 ms to minimize.
[2024-06-01 23:27:04] [INFO ] Deduced a trap composed of 72 places in 262 ms of which 1 ms to minimize.
[2024-06-01 23:27:04] [INFO ] Deduced a trap composed of 85 places in 243 ms of which 2 ms to minimize.
[2024-06-01 23:27:05] [INFO ] Deduced a trap composed of 99 places in 432 ms of which 2 ms to minimize.
[2024-06-01 23:27:05] [INFO ] Deduced a trap composed of 50 places in 309 ms of which 2 ms to minimize.
[2024-06-01 23:27:05] [INFO ] Deduced a trap composed of 78 places in 411 ms of which 2 ms to minimize.
[2024-06-01 23:27:06] [INFO ] Deduced a trap composed of 107 places in 414 ms of which 2 ms to minimize.
[2024-06-01 23:27:06] [INFO ] Deduced a trap composed of 132 places in 307 ms of which 2 ms to minimize.
[2024-06-01 23:27:07] [INFO ] Deduced a trap composed of 77 places in 417 ms of which 3 ms to minimize.
[2024-06-01 23:27:07] [INFO ] Deduced a trap composed of 122 places in 380 ms of which 2 ms to minimize.
[2024-06-01 23:27:07] [INFO ] Deduced a trap composed of 137 places in 271 ms of which 2 ms to minimize.
[2024-06-01 23:27:08] [INFO ] Deduced a trap composed of 72 places in 406 ms of which 2 ms to minimize.
[2024-06-01 23:27:08] [INFO ] Deduced a trap composed of 122 places in 377 ms of which 2 ms to minimize.
[2024-06-01 23:27:08] [INFO ] Deduced a trap composed of 134 places in 273 ms of which 2 ms to minimize.
[2024-06-01 23:27:12] [INFO ] Deduced a trap composed of 135 places in 474 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/305 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 7806 unsolved
[2024-06-01 23:27:16] [INFO ] Deduced a trap composed of 195 places in 252 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2909 variables, and 24 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30138 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7806 constraints, Known Traps: 21/21 constraints]
After SMT, in 87839ms problems are : Problem set: 0 solved, 7806 unsolved
Search for dead transitions found 0 dead transitions in 87952ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 111560 ms. Remains : 305/305 places, 7808/7808 transitions.
RANDOM walk for 40009 steps (8 resets) in 664 ms. (60 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 227 ms. (175 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 188 ms. (211 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 187 ms. (212 steps per ms) remains 2/4 properties
[2024-06-01 23:27:27] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-06-01 23:27:27] [INFO ] Invariant cache hit.
[2024-06-01 23:27:27] [INFO ] State equation strengthened by 147 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) 255/256 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/286 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 23:27:28] [INFO ] Deduced a trap composed of 75 places in 649 ms of which 2 ms to minimize.
[2024-06-01 23:27:29] [INFO ] Deduced a trap composed of 130 places in 455 ms of which 3 ms to minimize.
[2024-06-01 23:27:29] [INFO ] Deduced a trap composed of 129 places in 461 ms of which 2 ms to minimize.
[2024-06-01 23:27:30] [INFO ] Deduced a trap composed of 130 places in 541 ms of which 2 ms to minimize.
[2024-06-01 23:27:30] [INFO ] Deduced a trap composed of 37 places in 641 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/286 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 19/305 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/305 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2604/2909 variables, 305/313 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/2909 variables, 147/460 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2909 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/2909 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2909/2909 variables, and 460 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3860 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 5/5 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) 255/256 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/256 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 30/286 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/286 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 23:27:32] [INFO ] Deduced a trap composed of 135 places in 543 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/286 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/286 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 19/305 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/305 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2604/2909 variables, 305/314 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2909/2909 variables, and 461 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2919 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 305/305 constraints, ReadFeed: 147/147 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 6/6 constraints]
After SMT, in 6888ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 3755 steps, including 73 resets, run visited all 2 properties in 144 ms. (steps per millisecond=26 )
Parikh walk visited 2 properties in 151 ms.
FORMULA Szymanski-PT-b08-UpperBounds-12 1 TECHNIQUES REACHABILITY_MAX
FORMULA Szymanski-PT-b08-UpperBounds-02 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 2 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 178687 ms.
ITS solved all properties within timeout

BK_STOP 1717284454929

--------------------
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

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="Szymanski-PT-b08"
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 Szymanski-PT-b08, 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 r536-tall-171690533400885"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b08.tgz
mv Szymanski-PT-b08 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 ;