Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901995300909.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is SquareGrid-PT-080408, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901995300909
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 944K
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rwxr-xr-x 1 mcc users 505K May 29 14:33 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-00
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-01
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-02
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-03
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-04
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-05
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-06
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-07
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-08
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-09
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-10
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-11
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-12
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-13
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-14
FORMULA_NAME SquareGrid-PT-080408-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749286933784

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SquareGrid-PT-080408
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-07 09:02:14] [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]
[2025-06-07 09:02:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 09:02:15] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2025-06-07 09:02:15] [INFO ] Transformed 896 places.
[2025-06-07 09:02:15] [INFO ] Transformed 1056 transitions.
[2025-06-07 09:02:15] [INFO ] Parsed PT model containing 896 places and 1056 transitions and 4224 arcs in 206 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[8, 0, 1, 4, 8, 4, 0, 4, 4, 0, 0, 4, 1, 1, 4, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[8, 0, 1, 4, 8, 4, 0, 4, 4, 0, 0, 4, 1, 1, 4, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 1056 rows 896 cols
[2025-06-07 09:02:15] [INFO ] Computed 353 invariants in 63 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8, 0, 1, 4, 8, 4, 0, 4, 4, 0, 0, 4, 1, 1, 4, 0] Max Struct:[24, 1, 1, 24, 24, 24, 1, 24, 24, 1, 1, 24, 1, 1, 24, 1]
FORMULA SquareGrid-PT-080408-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SquareGrid-PT-080408-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SquareGrid-PT-080408-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 659 ms. (15 steps per ms)
FORMULA SquareGrid-PT-080408-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80008 steps (16 resets) in 790 ms. (101 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14, 8, 19, 7, 8, 7, 8, 8] Max Struct:[24, 24, 24, 24, 24, 24, 24, 24]
[2025-06-07 09:02:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 09:02:17] [INFO ] [Real]Absence check using 352 positive place invariants in 81 ms returned sat
[2025-06-07 09:02:17] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 11 ms returned sat
[2025-06-07 09:02:17] [INFO ] [Real]Absence check using state equation in 351 ms returned sat
[2025-06-07 09:02:17] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 68 ms.
[2025-06-07 09:02:19] [INFO ] Added : 152 causal constraints over 31 iterations in 1828 ms. Result :sat
Minimization took 505 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 09:02:20] [INFO ] [Real]Absence check using 352 positive place invariants in 57 ms returned sat
[2025-06-07 09:02:20] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:02:20] [INFO ] [Real]Absence check using state equation in 274 ms returned sat
[2025-06-07 09:02:20] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 54 ms.
[2025-06-07 09:02:22] [INFO ] Added : 152 causal constraints over 31 iterations in 1789 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 09:02:23] [INFO ] [Real]Absence check using 352 positive place invariants in 53 ms returned sat
[2025-06-07 09:02:23] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 12 ms returned sat
[2025-06-07 09:02:23] [INFO ] [Real]Absence check using state equation in 325 ms returned sat
[2025-06-07 09:02:23] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 53 ms.
[2025-06-07 09:02:25] [INFO ] Added : 168 causal constraints over 34 iterations in 1927 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 09:02:26] [INFO ] [Real]Absence check using 352 positive place invariants in 52 ms returned sat
[2025-06-07 09:02:26] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2025-06-07 09:02:26] [INFO ] [Real]Absence check using state equation in 310 ms returned sat
[2025-06-07 09:02:26] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 51 ms.
[2025-06-07 09:02:28] [INFO ] Added : 157 causal constraints over 32 iterations in 1865 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 09:02:29] [INFO ] [Real]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-07 09:02:29] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-07 09:02:29] [INFO ] [Real]Absence check using state equation in 304 ms returned sat
[2025-06-07 09:02:29] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 51 ms.
[2025-06-07 09:02:31] [INFO ] Added : 157 causal constraints over 32 iterations in 1833 ms. Result :sat
Minimization took 500 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 09:02:32] [INFO ] [Real]Absence check using 352 positive place invariants in 52 ms returned sat
[2025-06-07 09:02:32] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:02:32] [INFO ] [Real]Absence check using state equation in 260 ms returned sat
[2025-06-07 09:02:32] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 45 ms.
[2025-06-07 09:02:34] [INFO ] Added : 149 causal constraints over 30 iterations in 1703 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 09:02:34] [INFO ] [Real]Absence check using 352 positive place invariants in 51 ms returned sat
[2025-06-07 09:02:34] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:02:35] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-07 09:02:35] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 44 ms.
[2025-06-07 09:02:36] [INFO ] Added : 157 causal constraints over 32 iterations in 1802 ms. Result :sat
Minimization took 504 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 09:02:37] [INFO ] [Real]Absence check using 352 positive place invariants in 54 ms returned sat
[2025-06-07 09:02:37] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:02:37] [INFO ] [Real]Absence check using state equation in 297 ms returned sat
[2025-06-07 09:02:38] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 48 ms.
[2025-06-07 09:02:39] [INFO ] Added : 163 causal constraints over 33 iterations in 1856 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14, 8, 19, 7, 8, 7, 8, 8] Max Struct:[24, 24, 24, 24, 24, 24, 24, 24]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14, 8, 19, 7, 8, 7, 8, 8] Max Struct:[24, 24, 24, 24, 24, 24, 24, 24]
Support contains 8 out of 896 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 896/896 places, 1056/1056 transitions.
Applied a total of 0 rules in 92 ms. Remains 896 /896 variables (removed 0) and now considering 1056/1056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102 ms. Remains : 896/896 places, 1056/1056 transitions.
[2025-06-07 09:02:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[14, 8, 19, 7, 8, 7, 8, 8] Max Struct:[24, 24, 24, 24, 24, 24, 24, 24]
RANDOM walk for 711486 steps (17 resets) in 30001 ms. (23 steps per ms)
FORMULA SquareGrid-PT-080408-UpperBounds-04 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-00 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3296921 steps (6 resets) in 30013 ms. (109 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[20, 16, 21, 11, 20, 13] Max Struct:[24, 24, 24, 24, 24, 24]
[2025-06-07 09:03:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:03:40] [INFO ] [Real]Absence check using 352 positive place invariants in 53 ms returned sat
[2025-06-07 09:03:40] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2025-06-07 09:03:41] [INFO ] [Real]Absence check using state equation in 284 ms returned sat
[2025-06-07 09:03:41] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 41 ms.
[2025-06-07 09:03:42] [INFO ] Added : 163 causal constraints over 33 iterations in 1870 ms. Result :sat
Minimization took 652 ms.
[2025-06-07 09:03:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:03:43] [INFO ] [Nat]Absence check using 352 positive place invariants in 51 ms returned sat
[2025-06-07 09:03:43] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:03:44] [INFO ] [Nat]Absence check using state equation in 281 ms returned sat
[2025-06-07 09:03:44] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 56 ms.
[2025-06-07 09:03:45] [INFO ] Added : 163 causal constraints over 33 iterations in 1777 ms. Result :sat
Minimization took 637 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:03:46] [INFO ] [Real]Absence check using 352 positive place invariants in 52 ms returned sat
[2025-06-07 09:03:46] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-07 09:03:47] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-07 09:03:47] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 45 ms.
[2025-06-07 09:03:49] [INFO ] Added : 172 causal constraints over 35 iterations in 1903 ms. Result :sat
Minimization took 624 ms.
[2025-06-07 09:03:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:03:49] [INFO ] [Nat]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-07 09:03:49] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:03:50] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-07 09:03:50] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 43 ms.
[2025-06-07 09:03:52] [INFO ] Added : 172 causal constraints over 35 iterations in 1778 ms. Result :sat
Minimization took 615 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:03:52] [INFO ] [Real]Absence check using 352 positive place invariants in 48 ms returned sat
[2025-06-07 09:03:52] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:03:53] [INFO ] [Real]Absence check using state equation in 283 ms returned sat
[2025-06-07 09:03:53] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 42 ms.
[2025-06-07 09:03:54] [INFO ] Added : 150 causal constraints over 30 iterations in 1661 ms. Result :sat
Minimization took 634 ms.
[2025-06-07 09:03:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:03:55] [INFO ] [Nat]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-07 09:03:55] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:03:56] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2025-06-07 09:03:56] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 42 ms.
[2025-06-07 09:03:57] [INFO ] Added : 150 causal constraints over 30 iterations in 1535 ms. Result :sat
Minimization took 614 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:03:58] [INFO ] [Real]Absence check using 352 positive place invariants in 48 ms returned sat
[2025-06-07 09:03:58] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:03:58] [INFO ] [Real]Absence check using state equation in 269 ms returned sat
[2025-06-07 09:03:58] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 42 ms.
[2025-06-07 09:04:00] [INFO ] Added : 152 causal constraints over 31 iterations in 1703 ms. Result :sat
Minimization took 635 ms.
[2025-06-07 09:04:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:04:01] [INFO ] [Nat]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-07 09:04:01] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 14 ms returned sat
[2025-06-07 09:04:01] [INFO ] [Nat]Absence check using state equation in 276 ms returned sat
[2025-06-07 09:04:01] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 41 ms.
[2025-06-07 09:04:03] [INFO ] Added : 152 causal constraints over 31 iterations in 1542 ms. Result :sat
Minimization took 614 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:04:03] [INFO ] [Real]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-07 09:04:03] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-07 09:04:04] [INFO ] [Real]Absence check using state equation in 264 ms returned sat
[2025-06-07 09:04:04] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 41 ms.
[2025-06-07 09:04:06] [INFO ] Added : 172 causal constraints over 35 iterations in 1887 ms. Result :sat
Minimization took 630 ms.
[2025-06-07 09:04:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:04:07] [INFO ] [Nat]Absence check using 352 positive place invariants in 53 ms returned sat
[2025-06-07 09:04:07] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 14 ms returned sat
[2025-06-07 09:04:07] [INFO ] [Nat]Absence check using state equation in 285 ms returned sat
[2025-06-07 09:04:07] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 44 ms.
[2025-06-07 09:04:09] [INFO ] Added : 172 causal constraints over 35 iterations in 1807 ms. Result :sat
Minimization took 621 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:04:10] [INFO ] [Real]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-07 09:04:10] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-07 09:04:10] [INFO ] [Real]Absence check using state equation in 276 ms returned sat
[2025-06-07 09:04:10] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 41 ms.
[2025-06-07 09:04:12] [INFO ] Added : 150 causal constraints over 30 iterations in 1659 ms. Result :sat
Minimization took 641 ms.
[2025-06-07 09:04:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:04:12] [INFO ] [Nat]Absence check using 352 positive place invariants in 51 ms returned sat
[2025-06-07 09:04:12] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-07 09:04:13] [INFO ] [Nat]Absence check using state equation in 283 ms returned sat
[2025-06-07 09:04:13] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 43 ms.
[2025-06-07 09:04:14] [INFO ] Added : 150 causal constraints over 30 iterations in 1563 ms. Result :sat
Minimization took 618 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[20, 16, 21, 11, 20, 13] Max Struct:[24, 24, 24, 24, 24, 24]
FORMULA SquareGrid-PT-080408-UpperBounds-11 24 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-08 24 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-07 24 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[24, 16, 23] Max Struct:[24, 24, 24]
Support contains 3 out of 896 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 896/896 places, 1056/1056 transitions.
Applied a total of 0 rules in 43 ms. Remains 896 /896 variables (removed 0) and now considering 1056/1056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 896/896 places, 1056/1056 transitions.
[2025-06-07 09:06:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[24, 16, 23] Max Struct:[24, 24, 24]
FORMULA SquareGrid-PT-080408-UpperBounds-03 24 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 733757 steps (18 resets) in 30001 ms. (24 steps per ms)
FORMULA SquareGrid-PT-080408-UpperBounds-05 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 585840 steps (1 resets) in 5002 ms. (117 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[23] Max Struct:[24]
[2025-06-07 09:07:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:07:28] [INFO ] [Real]Absence check using 352 positive place invariants in 47 ms returned sat
[2025-06-07 09:07:28] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 11 ms returned sat
[2025-06-07 09:07:28] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-07 09:07:28] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 40 ms.
[2025-06-07 09:07:30] [INFO ] Added : 142 causal constraints over 29 iterations in 1565 ms. Result :sat
Minimization took 628 ms.
[2025-06-07 09:07:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:07:31] [INFO ] [Nat]Absence check using 352 positive place invariants in 51 ms returned sat
[2025-06-07 09:07:31] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2025-06-07 09:07:31] [INFO ] [Nat]Absence check using state equation in 274 ms returned sat
[2025-06-07 09:07:31] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 43 ms.
[2025-06-07 09:07:33] [INFO ] Added : 142 causal constraints over 29 iterations in 1457 ms. Result :sat
Minimization took 617 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[23] Max Struct:[24]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[23] Max Struct:[24]
Support contains 1 out of 896 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 896/896 places, 1056/1056 transitions.
Applied a total of 0 rules in 23 ms. Remains 896 /896 variables (removed 0) and now considering 1056/1056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 896/896 places, 1056/1056 transitions.
[2025-06-07 09:08:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[23] Max Struct:[24]
RANDOM walk for 724297 steps (17 resets) in 30001 ms. (24 steps per ms)
BEST_FIRST walk for 582354 steps (1 resets) in 5003 ms. (116 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[23] Max Struct:[24]
[2025-06-07 09:08:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:08:38] [INFO ] [Real]Absence check using 352 positive place invariants in 47 ms returned sat
[2025-06-07 09:08:38] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2025-06-07 09:08:39] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2025-06-07 09:08:39] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 41 ms.
[2025-06-07 09:08:40] [INFO ] Added : 142 causal constraints over 29 iterations in 1599 ms. Result :sat
Minimization took 628 ms.
[2025-06-07 09:08:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 09:08:41] [INFO ] [Nat]Absence check using 352 positive place invariants in 51 ms returned sat
[2025-06-07 09:08:41] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2025-06-07 09:08:41] [INFO ] [Nat]Absence check using state equation in 265 ms returned sat
[2025-06-07 09:08:42] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 41 ms.
[2025-06-07 09:08:43] [INFO ] Added : 142 causal constraints over 29 iterations in 1474 ms. Result :sat
Minimization took 611 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[23] Max Struct:[24]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[23] Max Struct:[24]
Support contains 1 out of 896 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 896/896 places, 1056/1056 transitions.
Applied a total of 0 rules in 26 ms. Remains 896 /896 variables (removed 0) and now considering 1056/1056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 896/896 places, 1056/1056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 896/896 places, 1056/1056 transitions.
Applied a total of 0 rules in 18 ms. Remains 896 /896 variables (removed 0) and now considering 1056/1056 (removed 0) transitions.
[2025-06-07 09:09:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 09:09:14] [INFO ] Implicit Places using invariants in 475 ms returned []
[2025-06-07 09:09:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 09:09:15] [INFO ] Implicit Places using invariants and state equation in 846 ms returned []
Implicit Place search using SMT with State Equation took 1323 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 09:09:15] [INFO ] Redundant transitions in 57 ms returned []
Running 800 sub problems to find dead transitions.
[2025-06-07 09:09:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/384 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/384 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 2 (OVERLAPS) 512/896 variables, 320/352 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/896 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 800 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 896/1952 variables, and 353 constraints, problems are : Problem set: 0 solved, 800 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 352/352 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/896 constraints, PredecessorRefiner: 800/800 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 800 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/384 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/384 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 2 (OVERLAPS) 512/896 variables, 320/352 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/896 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/896 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 5 (OVERLAPS) 1056/1952 variables, 896/1249 constraints. Problems are: Problem set: 0 solved, 800 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1952 variables, 800/2049 constraints. Problems are: Problem set: 0 solved, 800 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1952/1952 variables, and 2049 constraints, problems are : Problem set: 0 solved, 800 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 352/352 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 896/896 constraints, PredecessorRefiner: 800/800 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60336ms problems are : Problem set: 0 solved, 800 unsolved
Search for dead transitions found 0 dead transitions in 60351ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61778 ms. Remains : 896/896 places, 1056/1056 transitions.
[2025-06-07 09:10:16] [INFO ] Flatten gal took : 245 ms
[2025-06-07 09:10:16] [INFO ] Flatten gal took : 139 ms
[2025-06-07 09:10:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3279492680022706656.gal : 50 ms
[2025-06-07 09:10:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2273765307989285825.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3279492680022706656.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2273765307989285825.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2273765307989285825.prop.
RANDOM walk for 40000 steps (8 resets) in 4014 ms. (9 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 616 ms. (64 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 63
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :63 after 392
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :392 after 2096
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :2096 after 13904
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :13904 after 20700
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :20700 after 81680
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :81680 after 254688
BEST_FIRST walk for 40004 steps (8 resets) in 618 ms. (64 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :254688 after 1.25545e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1.25545e+06 after 3.67563e+06
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3.67563e+06 after 1.43992e+07
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.43992e+07 after 8.60687e+08
Interrupted probabilistic random walk after 154706 steps, run timeout after 3006 ms. (steps per millisecond=51 ) properties seen :0 out of 2
Probabilistic random walk after 154706 steps, saw 154146 distinct states, run finished after 3012 ms. (steps per millisecond=51 ) properties seen :0
[2025-06-07 09:10:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 351/356 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/356 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 539/895 variables, 350/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/895 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1/896 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :8.60687e+08 after 7.41108e+11
At refinement iteration 8 (INCLUDED_ONLY) 0/896 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1056/1952 variables, 896/1249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1952 variables, 0/1249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/1952 variables, 0/1249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1952/1952 variables, and 1249 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1156 ms.
Refiners :[Positive P Invariants (semi-flows): 352/352 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 896/896 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 351/356 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/356 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 539/895 variables, 350/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/895 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1/896 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/896 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1056/1952 variables, 896/1249 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1952 variables, 2/1251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1952 variables, 0/1251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/1952 variables, 0/1251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1952/1952 variables, and 1251 constraints, problems are : Problem set: 0 solved, 2 unsolved in 751 ms.
Refiners :[Positive P Invariants (semi-flows): 352/352 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 896/896 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1917ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 1943 steps, including 0 resets, run visited all 2 properties in 76 ms. (steps per millisecond=25 )
Parikh walk visited 2 properties in 83 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA SquareGrid-PT-080408-UpperBounds-14 24 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 487491 ms.

BK_STOP 1749287422546

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="SquareGrid-PT-080408"
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 2-5832"
echo " Executing tool itstools"
echo " Input is SquareGrid-PT-080408, 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 r212-tall-174901995300909"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SquareGrid-PT-080408.tgz
mv SquareGrid-PT-080408 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.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 ;