Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r511-tall-167912735600057.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool gold2022
Input is Szymanski-PT-b02, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r511-tall-167912735600057
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 7.6K Feb 26 16:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 16:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 16:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 16:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 16:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Feb 26 16:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 26 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M Mar 5 18:23 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-b02-UpperBounds-00
FORMULA_NAME Szymanski-PT-b02-UpperBounds-01
FORMULA_NAME Szymanski-PT-b02-UpperBounds-02
FORMULA_NAME Szymanski-PT-b02-UpperBounds-03
FORMULA_NAME Szymanski-PT-b02-UpperBounds-04
FORMULA_NAME Szymanski-PT-b02-UpperBounds-05
FORMULA_NAME Szymanski-PT-b02-UpperBounds-06
FORMULA_NAME Szymanski-PT-b02-UpperBounds-07
FORMULA_NAME Szymanski-PT-b02-UpperBounds-08
FORMULA_NAME Szymanski-PT-b02-UpperBounds-09
FORMULA_NAME Szymanski-PT-b02-UpperBounds-10
FORMULA_NAME Szymanski-PT-b02-UpperBounds-11
FORMULA_NAME Szymanski-PT-b02-UpperBounds-12
FORMULA_NAME Szymanski-PT-b02-UpperBounds-13
FORMULA_NAME Szymanski-PT-b02-UpperBounds-14
FORMULA_NAME Szymanski-PT-b02-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679319793582

Running Version 202205111006
[2023-03-20 13:43:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-20 13:43:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 13:43:15] [INFO ] Load time of PNML (sax parser for PT used): 315 ms
[2023-03-20 13:43:15] [INFO ] Transformed 568 places.
[2023-03-20 13:43:15] [INFO ] Transformed 8320 transitions.
[2023-03-20 13:43:15] [INFO ] Parsed PT model containing 568 places and 8320 transitions in 478 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 260 places in 18 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b02-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Normalized transition count is 2733 out of 8064 initially.
// Phase 1: matrix 2733 rows 308 cols
[2023-03-20 13:43:15] [INFO ] Computed 3 place invariants in 64 ms
Incomplete random walk after 10000 steps, including 3 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 6) seen :4
FORMULA Szymanski-PT-b02-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Szymanski-PT-b02-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 4) seen :2
[2023-03-20 13:43:15] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2023-03-20 13:43:15] [INFO ] Computed 3 place invariants in 27 ms
[2023-03-20 13:43:15] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2023-03-20 13:43:15] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 14 ms returned sat
[2023-03-20 13:43:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:16] [INFO ] [Real]Absence check using state equation in 465 ms returned sat
[2023-03-20 13:43:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:43:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-20 13:43:16] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 13:43:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:17] [INFO ] [Nat]Absence check using state equation in 949 ms returned sat
[2023-03-20 13:43:17] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:43:20] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:43:21] [INFO ] [Nat]Added 147 Read/Feed constraints in 3922 ms returned unknown
[2023-03-20 13:43:21] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:21] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 13:43:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:22] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2023-03-20 13:43:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:43:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:22] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-20 13:43:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:22] [INFO ] [Nat]Absence check using state equation in 584 ms returned sat
[2023-03-20 13:43:25] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:43:27] [INFO ] [Nat]Added 147 Read/Feed constraints in 4334 ms returned unknown
[2023-03-20 13:43:27] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:27] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 13:43:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:27] [INFO ] [Real]Absence check using state equation in 517 ms returned sat
[2023-03-20 13:43:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:43:27] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2023-03-20 13:43:27] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-20 13:43:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:28] [INFO ] [Nat]Absence check using state equation in 491 ms returned sat
[2023-03-20 13:43:31] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:43:32] [INFO ] [Nat]Added 147 Read/Feed constraints in 4472 ms returned unknown
[2023-03-20 13:43:32] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:32] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-20 13:43:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:33] [INFO ] [Real]Absence check using state equation in 547 ms returned unsat
Current structural bounds on expressions (after SMT) : [1, 1, 1, 2] Max seen :[0, 0, 0, 2]
FORMULA Szymanski-PT-b02-UpperBounds-09 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 3 out of 308 places. Attempting structural reductions.
Starting structural reductions in SAFETY 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.21 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions 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 475 ms. Remains 305 /308 variables (removed 3) and now considering 7808/8064 (removed 256) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/308 places, 7808/8064 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:43:33] [INFO ] Computed 3 place invariants in 19 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2939 ms. (steps per millisecond=340 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1037 ms. (steps per millisecond=964 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1082 ms. (steps per millisecond=924 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1043 ms. (steps per millisecond=958 ) properties (out of 3) seen :0
[2023-03-20 13:43:40] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:43:40] [INFO ] Computed 3 place invariants in 20 ms
[2023-03-20 13:43:40] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:40] [INFO ] [Real]Absence check using state equation in 371 ms returned sat
[2023-03-20 13:43:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:43:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:41] [INFO ] [Nat]Absence check using state equation in 470 ms returned sat
[2023-03-20 13:43:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:43:44] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:43:47] [INFO ] [Nat]Added 147 Read/Feed constraints in 6035 ms returned unknown
[2023-03-20 13:43:47] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:47] [INFO ] [Real]Absence check using state equation in 473 ms returned sat
[2023-03-20 13:43:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:43:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:48] [INFO ] [Nat]Absence check using state equation in 442 ms returned sat
[2023-03-20 13:43:51] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:43:54] [INFO ] [Nat]Added 147 Read/Feed constraints in 6038 ms returned unknown
[2023-03-20 13:43:54] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:43:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:54] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2023-03-20 13:43:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:43:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 13:43:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:43:55] [INFO ] [Nat]Absence check using state equation in 446 ms returned sat
[2023-03-20 13:43:58] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:44:01] [INFO ] [Nat]Added 147 Read/Feed constraints in 6037 ms returned unknown
Current structural bounds on expressions (after SMT) : [1, 1, 1] Max seen :[0, 0, 0]
Support contains 3 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 279 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 312 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-20 13:44:01] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:01] [INFO ] Computed 3 place invariants in 14 ms
[2023-03-20 13:44:02] [INFO ] Implicit Places using invariants in 552 ms returned []
[2023-03-20 13:44:02] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:02] [INFO ] Computed 3 place invariants in 17 ms
[2023-03-20 13:44:02] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:44:04] [INFO ] Implicit Places using invariants and state equation in 2345 ms returned []
Implicit Place search using SMT with State Equation took 2901 ms to find 0 implicit places.
[2023-03-20 13:44:05] [INFO ] Redundant transitions in 1013 ms returned []
[2023-03-20 13:44:05] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:05] [INFO ] Computed 3 place invariants in 15 ms
[2023-03-20 13:44:08] [INFO ] Dead Transitions using invariants and state equation in 2283 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-00
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:08] [INFO ] Computed 3 place invariants in 14 ms
Incomplete random walk after 10001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
[2023-03-20 13:44:08] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:08] [INFO ] Computed 3 place invariants in 18 ms
[2023-03-20 13:44:08] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 13:44:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:08] [INFO ] [Real]Absence check using state equation in 356 ms returned sat
[2023-03-20 13:44:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:44:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:44:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:09] [INFO ] [Nat]Absence check using state equation in 469 ms returned sat
[2023-03-20 13:44:09] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:44:12] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:44:13] [INFO ] [Nat]Added 147 Read/Feed constraints in 4478 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 185 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:13] [INFO ] Computed 3 place invariants in 17 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2798 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1212 ms. (steps per millisecond=825 ) properties (out of 1) seen :0
[2023-03-20 13:44:17] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:17] [INFO ] Computed 3 place invariants in 16 ms
[2023-03-20 13:44:17] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 13:44:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:18] [INFO ] [Real]Absence check using state equation in 374 ms returned sat
[2023-03-20 13:44:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:44:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:44:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:18] [INFO ] [Nat]Absence check using state equation in 474 ms returned sat
[2023-03-20 13:44:18] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:44:21] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:44:24] [INFO ] [Nat]Added 147 Read/Feed constraints in 6048 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 202 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-20 13:44:25] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:25] [INFO ] Computed 3 place invariants in 17 ms
[2023-03-20 13:44:25] [INFO ] Implicit Places using invariants in 515 ms returned []
[2023-03-20 13:44:25] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:25] [INFO ] Computed 3 place invariants in 16 ms
[2023-03-20 13:44:26] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:44:28] [INFO ] Implicit Places using invariants and state equation in 2260 ms returned []
Implicit Place search using SMT with State Equation took 2777 ms to find 0 implicit places.
[2023-03-20 13:44:28] [INFO ] Redundant transitions in 635 ms returned []
[2023-03-20 13:44:28] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:28] [INFO ] Computed 3 place invariants in 18 ms
[2023-03-20 13:44:30] [INFO ] Dead Transitions using invariants and state equation in 2071 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-00 in 22815 ms.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-05
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:30] [INFO ] Computed 3 place invariants in 20 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
[2023-03-20 13:44:30] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:31] [INFO ] Computed 3 place invariants in 11 ms
[2023-03-20 13:44:31] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 13:44:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:31] [INFO ] [Real]Absence check using state equation in 468 ms returned sat
[2023-03-20 13:44:31] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:44:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:44:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:32] [INFO ] [Nat]Absence check using state equation in 437 ms returned sat
[2023-03-20 13:44:32] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:44:35] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:44:36] [INFO ] [Nat]Added 147 Read/Feed constraints in 4508 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 191 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:36] [INFO ] Computed 3 place invariants in 19 ms
Incomplete random walk after 1000001 steps, including 2 resets, run finished after 2732 ms. (steps per millisecond=366 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1181 ms. (steps per millisecond=846 ) properties (out of 1) seen :0
[2023-03-20 13:44:40] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:40] [INFO ] Computed 3 place invariants in 20 ms
[2023-03-20 13:44:40] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 13:44:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:41] [INFO ] [Real]Absence check using state equation in 460 ms returned sat
[2023-03-20 13:44:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:44:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 13:44:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:41] [INFO ] [Nat]Absence check using state equation in 443 ms returned sat
[2023-03-20 13:44:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:44:44] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:44:47] [INFO ] [Nat]Added 147 Read/Feed constraints in 6040 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 204 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-20 13:44:48] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:48] [INFO ] Computed 3 place invariants in 19 ms
[2023-03-20 13:44:48] [INFO ] Implicit Places using invariants in 494 ms returned []
[2023-03-20 13:44:48] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:48] [INFO ] Computed 3 place invariants in 15 ms
[2023-03-20 13:44:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:44:50] [INFO ] Implicit Places using invariants and state equation in 2235 ms returned []
Implicit Place search using SMT with State Equation took 2731 ms to find 0 implicit places.
[2023-03-20 13:44:51] [INFO ] Redundant transitions in 877 ms returned []
[2023-03-20 13:44:51] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:51] [INFO ] Computed 3 place invariants in 16 ms
[2023-03-20 13:44:53] [INFO ] Dead Transitions using invariants and state equation in 2075 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-05 in 23044 ms.
Starting property specific reduction for Szymanski-PT-b02-UpperBounds-07
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:53] [INFO ] Computed 3 place invariants in 17 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
[2023-03-20 13:44:54] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:54] [INFO ] Computed 3 place invariants in 20 ms
[2023-03-20 13:44:54] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-20 13:44:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:54] [INFO ] [Real]Absence check using state equation in 371 ms returned sat
[2023-03-20 13:44:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:44:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:44:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:44:54] [INFO ] [Nat]Absence check using state equation in 432 ms returned sat
[2023-03-20 13:44:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:44:58] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:44:59] [INFO ] [Nat]Added 147 Read/Feed constraints in 4510 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 213 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Normalized transition count is 2604 out of 7808 initially.
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:44:59] [INFO ] Computed 3 place invariants in 21 ms
Incomplete random walk after 1000001 steps, including 2 resets, run finished after 2867 ms. (steps per millisecond=348 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1032 ms. (steps per millisecond=968 ) properties (out of 1) seen :0
[2023-03-20 13:45:03] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:45:03] [INFO ] Computed 3 place invariants in 18 ms
[2023-03-20 13:45:03] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:45:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 13:45:04] [INFO ] [Real]Absence check using state equation in 386 ms returned sat
[2023-03-20 13:45:04] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 13:45:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2023-03-20 13:45:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 13:45:04] [INFO ] [Nat]Absence check using state equation in 446 ms returned sat
[2023-03-20 13:45:04] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:45:07] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-20 13:45:10] [INFO ] [Nat]Added 147 Read/Feed constraints in 6044 ms returned unknown
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 187 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-20 13:45:11] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:45:11] [INFO ] Computed 3 place invariants in 16 ms
[2023-03-20 13:45:11] [INFO ] Implicit Places using invariants in 466 ms returned []
[2023-03-20 13:45:11] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:45:11] [INFO ] Computed 3 place invariants in 12 ms
[2023-03-20 13:45:12] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-20 13:45:13] [INFO ] Implicit Places using invariants and state equation in 2089 ms returned []
Implicit Place search using SMT with State Equation took 2558 ms to find 0 implicit places.
[2023-03-20 13:45:14] [INFO ] Redundant transitions in 666 ms returned []
[2023-03-20 13:45:14] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-20 13:45:14] [INFO ] Computed 3 place invariants in 18 ms
[2023-03-20 13:45:16] [INFO ] Dead Transitions using invariants and state equation in 2081 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Ending property specific reduction for Szymanski-PT-b02-UpperBounds-07 in 22504 ms.
[2023-03-20 13:45:17] [INFO ] Flatten gal took : 483 ms
[2023-03-20 13:45:17] [INFO ] Applying decomposition
[2023-03-20 13:45:17] [INFO ] Flatten gal took : 257 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph6677947886259970260.txt' '-o' '/tmp/graph6677947886259970260.bin' '-w' '/tmp/graph6677947886259970260.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph6677947886259970260.bin' '-l' '-1' '-v' '-w' '/tmp/graph6677947886259970260.weights' '-q' '0' '-e' '0.001'
[2023-03-20 13:45:18] [INFO ] Decomposing Gal with order
[2023-03-20 13:45:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-20 13:45:19] [INFO ] Removed a total of 17806 redundant transitions.
[2023-03-20 13:45:19] [INFO ] Flatten gal took : 801 ms
[2023-03-20 13:45:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 949 labels/synchronizations in 304 ms.
[2023-03-20 13:45:19] [INFO ] Time to serialize gal into /tmp/UpperBounds2984178391109502561.gal : 45 ms
[2023-03-20 13:45:19] [INFO ] Time to serialize properties into /tmp/UpperBounds11352899749695128744.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds2984178391109502561.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds11352899749695128744.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...275
Loading property file /tmp/UpperBounds11352899749695128744.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,249911,31.5878,671960,2370,1573,806067,181227,7959,2.50433e+06,441,1.07356e+06,0
Total reachable state count : 249911

Verifying 3 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Szymanski-PT-b02-UpperBounds-00 :0 <= i9.u1.p133 <= 1
FORMULA Szymanski-PT-b02-UpperBounds-00 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b02-UpperBounds-00,0,31.7338,671960,1,0,806067,181227,8194,2.50433e+06,472,1.07356e+06,1758
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Szymanski-PT-b02-UpperBounds-05 :0 <= u49.p214 <= 1
FORMULA Szymanski-PT-b02-UpperBounds-05 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b02-UpperBounds-05,0,31.7381,671960,1,0,806067,181227,8222,2.50433e+06,481,1.07356e+06,2171
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Szymanski-PT-b02-UpperBounds-07 :0 <= i6.u10.p157 <= 1
FORMULA Szymanski-PT-b02-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Szymanski-PT-b02-UpperBounds-07,0,31.739,671960,1,0,806067,181227,8248,2.50433e+06,481,1.07356e+06,2216
Total runtime 156821 ms.

BK_STOP 1679319951642

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination UpperBounds -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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-b02"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2022"
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 2-5348"
echo " Executing tool gold2022"
echo " Input is Szymanski-PT-b02, 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 r511-tall-167912735600057"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b02.tgz
mv Szymanski-PT-b02 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 ;