MCC'2024- Execution of r400-tall-171690533400893

About the Execution of ITS-Tools for Szymanski-PT-b10

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
10292.600	201801.00	251190.00	557.10	0 0 0 1 0 10 1 1 0 0 10 0 10 0 0 1	normal

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.r400-tall-171690533400893.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)
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is Szymanski-PT-b10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r400-tall-171690533400893
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K May 19 07:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K 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 17K May 19 19:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 11 15:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Apr 11 15:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Apr 11 15:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 29K Apr 11 15:03 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-b10-UpperBounds-00
FORMULA_NAME Szymanski-PT-b10-UpperBounds-01
FORMULA_NAME Szymanski-PT-b10-UpperBounds-02
FORMULA_NAME Szymanski-PT-b10-UpperBounds-03
FORMULA_NAME Szymanski-PT-b10-UpperBounds-04
FORMULA_NAME Szymanski-PT-b10-UpperBounds-05
FORMULA_NAME Szymanski-PT-b10-UpperBounds-06
FORMULA_NAME Szymanski-PT-b10-UpperBounds-07
FORMULA_NAME Szymanski-PT-b10-UpperBounds-08
FORMULA_NAME Szymanski-PT-b10-UpperBounds-09
FORMULA_NAME Szymanski-PT-b10-UpperBounds-10
FORMULA_NAME Szymanski-PT-b10-UpperBounds-11
FORMULA_NAME Szymanski-PT-b10-UpperBounds-12
FORMULA_NAME Szymanski-PT-b10-UpperBounds-13
FORMULA_NAME Szymanski-PT-b10-UpperBounds-14
FORMULA_NAME Szymanski-PT-b10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717092463182

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2024-05-30 18:07:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-30 18:07:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-30 18:07:44] [INFO ] Load time of PNML (sax parser for PT used): 491 ms
[2024-05-30 18:07:45] [INFO ] Transformed 568 places.
[2024-05-30 18:07:45] [INFO ] Transformed 8320 transitions.
[2024-05-30 18:07:45] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 714 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 124 ms.
Deduced a syphon composed of 260 places in 22 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b10-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b10-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-30 18:07:45] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2024-05-30 18:07:45] [INFO ] Computed 3 invariants in 43 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 21, 1, 1, 21, 21, 1]
RANDOM walk for 10000 steps (2 resets) in 50 ms. (196 steps per ms)
FORMULA Szymanski-PT-b10-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Szymanski-PT-b10-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Szymanski-PT-b10-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (11 resets) in 101 ms. (392 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 0, 2, 10] Max Struct:[21, 1, 21, 21]
[2024-05-30 18:07:45] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2024-05-30 18:07:45] [INFO ] Invariant cache hit.
[2024-05-30 18:07:45] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2024-05-30 18:07:45] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-30 18:07:46] [INFO ] [Real]Absence check using state equation in 482 ms returned sat
[2024-05-30 18:07:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:07:46] [INFO ] [Real]Added 147 Read/Feed constraints in 153 ms returned sat
[2024-05-30 18:07:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:07:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-30 18:07:46] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-30 18:07:47] [INFO ] [Nat]Absence check using state equation in 411 ms returned sat
[2024-05-30 18:07:47] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-30 18:07:48] [INFO ] [Nat]Added 147 Read/Feed constraints in 1057 ms returned unknown
[2024-05-30 18:07:48] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-30 18:07:48] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-30 18:07:48] [INFO ] [Real]Absence check using state equation in 446 ms returned sat
[2024-05-30 18:07:48] [INFO ] [Real]Added 147 Read/Feed constraints in 139 ms returned sat
[2024-05-30 18:07:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:07:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-30 18:07:48] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-30 18:07:49] [INFO ] [Nat]Absence check using state equation in 422 ms returned sat
[2024-05-30 18:07:49] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-30 18:07:50] [INFO ] [Nat]Added 147 Read/Feed constraints in 787 ms returned sat
[2024-05-30 18:07:50] [INFO ] Deduced a trap composed of 133 places in 661 ms of which 34 ms to minimize.
[2024-05-30 18:07:51] [INFO ] Deduced a trap composed of 130 places in 622 ms of which 3 ms to minimize.
[2024-05-30 18:07:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1500 ms
[2024-05-30 18:07:52] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2722 transitions) in 626 ms.
[2024-05-30 18:07:52] [INFO ] Added : 0 causal constraints over 0 iterations in 816 ms. Result :sat
Minimization took 588 ms.
[2024-05-30 18:07:53] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-30 18:07:53] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-30 18:07:53] [INFO ] [Real]Absence check using state equation in 385 ms returned sat
[2024-05-30 18:07:53] [INFO ] [Real]Added 147 Read/Feed constraints in 115 ms returned sat
[2024-05-30 18:07:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:07:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-30 18:07:53] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-30 18:07:54] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2024-05-30 18:07:54] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-30 18:07:55] [INFO ] [Nat]Added 147 Read/Feed constraints in 1046 ms returned unknown
[2024-05-30 18:07:55] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-30 18:07:55] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-30 18:07:55] [INFO ] [Real]Absence check using state equation in 382 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[10, 0, 2, 10] Max Struct:[21, 1, 21, 10]
FORMULA Szymanski-PT-b10-UpperBounds-12 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 0, 2] Max Struct:[21, 1, 21]
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.15 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 306 transition count 7936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 305 transition count 7808
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 305 transition count 7808
Applied a total of 131 rules in 439 ms. Remains 305 /308 variables (removed 3) and now considering 7808/8064 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 455 ms. Remains : 305/308 places, 7808/8064 transitions.
[2024-05-30 18:07:56] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2024-05-30 18:07:56] [INFO ] Computed 3 invariants in 20 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 0, 2] Max Struct:[11, 1, 11]
RANDOM walk for 1000002 steps (2 resets) in 1029 ms. (970 steps per ms)
BEST_FIRST walk for 3000002 steps (6 resets) in 2462 ms. (1218 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 0, 9] Max Struct:[11, 1, 11]
[2024-05-30 18:07:59] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:07:59] [INFO ] Invariant cache hit.
[2024-05-30 18:07:59] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:08:00] [INFO ] [Real]Absence check using state equation in 358 ms returned sat
[2024-05-30 18:08:00] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:08:00] [INFO ] [Real]Added 147 Read/Feed constraints in 819 ms returned sat
[2024-05-30 18:08:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:08:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-30 18:08:01] [INFO ] [Nat]Absence check using state equation in 382 ms returned sat
[2024-05-30 18:08:05] [INFO ] [Nat]Added 147 Read/Feed constraints in 3892 ms returned sat
[2024-05-30 18:08:05] [INFO ] Deduced a trap composed of 36 places in 584 ms of which 3 ms to minimize.
[2024-05-30 18:08:05] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 630 ms
[2024-05-30 18:08:06] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-30 18:08:06] [INFO ] [Real]Absence check using state equation in 397 ms returned sat
[2024-05-30 18:08:06] [INFO ] [Real]Added 147 Read/Feed constraints in 100 ms returned sat
[2024-05-30 18:08:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:08:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-30 18:08:07] [INFO ] [Nat]Absence check using state equation in 378 ms returned sat
[2024-05-30 18:08:08] [INFO ] [Nat]Added 147 Read/Feed constraints in 1359 ms returned sat
[2024-05-30 18:08:09] [INFO ] Deduced a trap composed of 134 places in 520 ms of which 3 ms to minimize.
[2024-05-30 18:08:09] [INFO ] Deduced a trap composed of 133 places in 551 ms of which 3 ms to minimize.
[2024-05-30 18:08:09] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1304 ms
[2024-05-30 18:08:10] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 471 ms.
[2024-05-30 18:08:10] [INFO ] Added : 0 causal constraints over 0 iterations in 630 ms. Result :sat
Minimization took 4903 ms.
[2024-05-30 18:08:15] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-30 18:08:15] [INFO ] [Real]Absence check using state equation in 383 ms returned sat
[2024-05-30 18:08:16] [INFO ] [Real]Added 147 Read/Feed constraints in 985 ms returned sat
[2024-05-30 18:08:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:08:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:08:17] [INFO ] [Nat]Absence check using state equation in 382 ms returned sat
[2024-05-30 18:08:21] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-30 18:08:26] [INFO ] [Nat]Added 147 Read/Feed constraints in 9070 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[10, 0, 9] Max Struct:[10, 1, 11]
FORMULA Szymanski-PT-b10-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 9] Max Struct:[1, 11]
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 269 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 270 ms. Remains : 305/305 places, 7808/7808 transitions.
[2024-05-30 18:08:26] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:08:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 9] Max Struct:[1, 11]
RANDOM walk for 1000006 steps (2 resets) in 762 ms. (1310 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 1350 ms. (1480 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 10] Max Struct:[1, 11]
[2024-05-30 18:08:28] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:08:28] [INFO ] Invariant cache hit.
[2024-05-30 18:08:28] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:08:29] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
[2024-05-30 18:08:29] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:08:29] [INFO ] [Real]Added 147 Read/Feed constraints in 101 ms returned sat
[2024-05-30 18:08:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:08:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-30 18:08:29] [INFO ] [Nat]Absence check using state equation in 382 ms returned sat
[2024-05-30 18:08:31] [INFO ] [Nat]Added 147 Read/Feed constraints in 1364 ms returned sat
[2024-05-30 18:08:31] [INFO ] Deduced a trap composed of 134 places in 548 ms of which 2 ms to minimize.
[2024-05-30 18:08:32] [INFO ] Deduced a trap composed of 133 places in 536 ms of which 2 ms to minimize.
[2024-05-30 18:08:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1292 ms
[2024-05-30 18:08:32] [INFO ] Computed and/alt/rep : 9/11/9 causal constraints (skipped 2593 transitions) in 314 ms.
[2024-05-30 18:08:32] [INFO ] Added : 0 causal constraints over 0 iterations in 480 ms. Result :sat
Minimization took 4903 ms.
[2024-05-30 18:08:37] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:08:38] [INFO ] [Real]Absence check using state equation in 389 ms returned sat
[2024-05-30 18:08:40] [INFO ] [Real]Added 147 Read/Feed constraints in 1850 ms returned sat
[2024-05-30 18:08:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:08:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:08:40] [INFO ] [Nat]Absence check using state equation in 374 ms returned sat
[2024-05-30 18:08:45] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-30 18:08:49] [INFO ] [Nat]Added 147 Read/Feed constraints in 9056 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 10] Max Struct:[1, 11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 10] Max Struct:[1, 11]
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 301 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 301 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 194 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2024-05-30 18:08:50] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:08:50] [INFO ] Invariant cache hit.
[2024-05-30 18:08:50] [INFO ] Implicit Places using invariants in 664 ms returned []
[2024-05-30 18:08:50] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:08:50] [INFO ] Invariant cache hit.
[2024-05-30 18:08:51] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:09:10] [INFO ] Implicit Places using invariants and state equation in 19519 ms returned []
Implicit Place search using SMT with State Equation took 20195 ms to find 0 implicit places.
[2024-05-30 18:09:11] [INFO ] Redundant transitions in 978 ms returned []
Running 7806 sub problems to find dead transitions.
[2024-05-30 18:09:11] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:09:11] [INFO ] Invariant cache hit.
[2024-05-30 18:09:11] [INFO ] State equation strengthened by 147 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
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 30213 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
[2024-05-30 18:10:13] [INFO ] Deduced a trap composed of 138 places in 412 ms of which 2 ms to minimize.
[2024-05-30 18:10:14] [INFO ] Deduced a trap composed of 48 places in 402 ms of which 2 ms to minimize.
[2024-05-30 18:10:14] [INFO ] Deduced a trap composed of 118 places in 319 ms of which 2 ms to minimize.
[2024-05-30 18:10:15] [INFO ] Deduced a trap composed of 157 places in 311 ms of which 2 ms to minimize.
[2024-05-30 18:10:15] [INFO ] Deduced a trap composed of 101 places in 209 ms of which 2 ms to minimize.
[2024-05-30 18:10:15] [INFO ] Deduced a trap composed of 72 places in 296 ms of which 2 ms to minimize.
[2024-05-30 18:10:16] [INFO ] Deduced a trap composed of 85 places in 270 ms of which 2 ms to minimize.
[2024-05-30 18:10:16] [INFO ] Deduced a trap composed of 74 places in 330 ms of which 2 ms to minimize.
[2024-05-30 18:10:16] [INFO ] Deduced a trap composed of 111 places in 334 ms of which 2 ms to minimize.
[2024-05-30 18:10:17] [INFO ] Deduced a trap composed of 103 places in 233 ms of which 1 ms to minimize.
[2024-05-30 18:10:17] [INFO ] Deduced a trap composed of 107 places in 314 ms of which 2 ms to minimize.
[2024-05-30 18:10:17] [INFO ] Deduced a trap composed of 112 places in 323 ms of which 1 ms to minimize.
[2024-05-30 18:10:17] [INFO ] Deduced a trap composed of 103 places in 244 ms of which 2 ms to minimize.
[2024-05-30 18:10:18] [INFO ] Deduced a trap composed of 132 places in 233 ms of which 2 ms to minimize.
[2024-05-30 18:10:18] [INFO ] Deduced a trap composed of 134 places in 316 ms of which 2 ms to minimize.
[2024-05-30 18:10:18] [INFO ] Deduced a trap composed of 134 places in 327 ms of which 2 ms to minimize.
[2024-05-30 18:10:19] [INFO ] Deduced a trap composed of 125 places in 317 ms of which 2 ms to minimize.
[2024-05-30 18:10:19] [INFO ] Deduced a trap composed of 195 places in 223 ms of which 1 ms to minimize.
[2024-05-30 18:10:35] [INFO ] Deduced a trap composed of 137 places in 170 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/2909 variables, and 22 constraints, problems are : Problem set: 0 solved, 7806 unsolved in 30106 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: 19/19 constraints]
After SMT, in 87638ms problems are : Problem set: 0 solved, 7806 unsolved
Search for dead transitions found 0 dead transitions in 87733ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 109155 ms. Remains : 305/305 places, 7808/7808 transitions.
[2024-05-30 18:10:39] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:10:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 10] Max Struct:[1, 11]
RANDOM walk for 1000008 steps (2 resets) in 803 ms. (1243 steps per ms)
FORMULA Szymanski-PT-b10-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000001 steps (4 resets) in 1336 ms. (1495 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[11]
[2024-05-30 18:10:41] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:10:41] [INFO ] Invariant cache hit.
[2024-05-30 18:10:41] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:10:41] [INFO ] [Real]Absence check using state equation in 371 ms returned sat
[2024-05-30 18:10:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:10:43] [INFO ] [Real]Added 147 Read/Feed constraints in 1886 ms returned sat
[2024-05-30 18:10:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:10:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:10:44] [INFO ] [Nat]Absence check using state equation in 386 ms returned sat
[2024-05-30 18:10:48] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-30 18:10:53] [INFO ] [Nat]Added 147 Read/Feed constraints in 9038 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[11]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[11]
Support contains 1 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 190 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 190 ms. Remains : 305/305 places, 7808/7808 transitions.
[2024-05-30 18:10:53] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:10:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[11]
RANDOM walk for 1000008 steps (2 resets) in 753 ms. (1326 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 658 ms. (1517 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[11]
[2024-05-30 18:10:54] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2024-05-30 18:10:54] [INFO ] Invariant cache hit.
[2024-05-30 18:10:54] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:10:55] [INFO ] [Real]Absence check using state equation in 384 ms returned sat
[2024-05-30 18:10:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-30 18:10:57] [INFO ] [Real]Added 147 Read/Feed constraints in 1892 ms returned sat
[2024-05-30 18:10:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-30 18:10:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-30 18:10:57] [INFO ] [Nat]Absence check using state equation in 387 ms returned sat
[2024-05-30 18:11:02] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-30 18:11:03] [INFO ] [Nat]Added 147 Read/Feed constraints in 5319 ms returned sat
[2024-05-30 18:11:03] [INFO ] Deduced a trap composed of 31 places in 574 ms of which 2 ms to minimize.
[2024-05-30 18:11:03] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 614 ms
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[10]
FORMULA Szymanski-PT-b10-UpperBounds-10 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 7 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2024-05-30 18:11:04] [INFO ] Flatten gal took : 485 ms
[2024-05-30 18:11:04] [INFO ] Flatten gal took : 256 ms
[2024-05-30 18:11:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4418690312787671898.gal : 80 ms
[2024-05-30 18:11:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11847425750897017687.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4418690312787671898.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11847425750897017687.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 200499 ms.

BK_STOP 1717092664983

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-b10"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is Szymanski-PT-b10, 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 r400-tall-171690533400893"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b10.tgz
mv Szymanski-PT-b10 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 ;