Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r223-tall-174902009400114.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 gold2024
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 r223-tall-174902009400114
=====================================================================

--------------------
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 1749108131256

Invoking MCC driver with
BK_TOOL=gold2024
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 202405141337
[2025-06-05 07:22:12] [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]
[2025-06-05 07:22:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 07:22:12] [INFO ] Load time of PNML (sax parser for PT used): 107 ms
[2025-06-05 07:22:12] [INFO ] Transformed 896 places.
[2025-06-05 07:22:12] [INFO ] Transformed 1056 transitions.
[2025-06-05 07:22:12] [INFO ] Parsed PT model containing 896 places and 1056 transitions and 4224 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 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
[2025-06-05 07:22:12] [INFO ] Computed 353 invariants in 73 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 638 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 766 ms. (104 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14, 8, 17, 8, 7, 8, 7, 5] Max Struct:[24, 24, 24, 24, 24, 24, 24, 24]
[2025-06-05 07:22:14] [INFO ] Invariant cache hit.
[2025-06-05 07:22:14] [INFO ] [Real]Absence check using 352 positive place invariants in 68 ms returned sat
[2025-06-05 07:22:14] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2025-06-05 07:22:14] [INFO ] [Real]Absence check using state equation in 302 ms returned sat
[2025-06-05 07:22:15] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 63 ms.
[2025-06-05 07:22:16] [INFO ] Added : 152 causal constraints over 31 iterations in 1825 ms. Result :sat
Minimization took 502 ms.
[2025-06-05 07:22:17] [INFO ] [Real]Absence check using 352 positive place invariants in 53 ms returned sat
[2025-06-05 07:22:17] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:22:17] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2025-06-05 07:22:18] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 52 ms.
[2025-06-05 07:22:19] [INFO ] Added : 152 causal constraints over 31 iterations in 1708 ms. Result :sat
Minimization took 616 ms.
[2025-06-05 07:22:20] [INFO ] [Real]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-05 07:22:20] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-05 07:22:20] [INFO ] [Real]Absence check using state equation in 257 ms returned sat
[2025-06-05 07:22:20] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 51 ms.
[2025-06-05 07:22:22] [INFO ] Added : 158 causal constraints over 32 iterations in 1754 ms. Result :sat
Minimization took 501 ms.
[2025-06-05 07:22:23] [INFO ] [Real]Absence check using 352 positive place invariants in 48 ms returned sat
[2025-06-05 07:22:23] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:22:23] [INFO ] [Real]Absence check using state equation in 282 ms returned sat
[2025-06-05 07:22:23] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 49 ms.
[2025-06-05 07:22:25] [INFO ] Added : 157 causal constraints over 32 iterations in 1763 ms. Result :sat
Minimization took 501 ms.
[2025-06-05 07:22:26] [INFO ] [Real]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-05 07:22:26] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:22:26] [INFO ] [Real]Absence check using state equation in 270 ms returned sat
[2025-06-05 07:22:26] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 41 ms.
[2025-06-05 07:22:28] [INFO ] Added : 157 causal constraints over 32 iterations in 1729 ms. Result :sat
Minimization took 501 ms.
[2025-06-05 07:22:28] [INFO ] [Real]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-05 07:22:28] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-05 07:22:29] [INFO ] [Real]Absence check using state equation in 273 ms returned sat
[2025-06-05 07:22:29] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 47 ms.
[2025-06-05 07:22:30] [INFO ] Added : 148 causal constraints over 30 iterations in 1668 ms. Result :sat
Minimization took 501 ms.
[2025-06-05 07:22:31] [INFO ] [Real]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-05 07:22:31] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:22:31] [INFO ] [Real]Absence check using state equation in 300 ms returned sat
[2025-06-05 07:22:31] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 46 ms.
[2025-06-05 07:22:33] [INFO ] Added : 172 causal constraints over 35 iterations in 1909 ms. Result :sat
Minimization took 501 ms.
[2025-06-05 07:22:34] [INFO ] [Real]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-05 07:22:34] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:22:34] [INFO ] [Real]Absence check using state equation in 280 ms returned sat
[2025-06-05 07:22:34] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 52 ms.
[2025-06-05 07:22:36] [INFO ] Added : 158 causal constraints over 32 iterations in 1721 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14, 8, 17, 8, 7, 8, 7, 5] Max Struct:[24, 24, 24, 24, 24, 24, 24, 24]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14, 8, 17, 8, 7, 8, 7, 5] 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 94 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 110 ms. Remains : 896/896 places, 1056/1056 transitions.
[2025-06-05 07:22:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[14, 8, 17, 8, 7, 8, 7, 5] Max Struct:[24, 24, 24, 24, 24, 24, 24, 24]
RANDOM walk for 723076 steps (18 resets) in 30001 ms. (24 steps per ms)
FORMULA SquareGrid-PT-080408-UpperBounds-07 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-04 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-03 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA SquareGrid-PT-080408-UpperBounds-00 24 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2234153 steps (4 resets) in 20010 ms. (111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[23, 17, 20, 20] Max Struct:[24, 24, 24, 24]
[2025-06-05 07:23:27] [INFO ] Invariant cache hit.
[2025-06-05 07:23:27] [INFO ] [Real]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-05 07:23:27] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:23:27] [INFO ] [Real]Absence check using state equation in 284 ms returned sat
[2025-06-05 07:23:27] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 47 ms.
[2025-06-05 07:23:29] [INFO ] Added : 185 causal constraints over 37 iterations in 1984 ms. Result :sat
Minimization took 671 ms.
[2025-06-05 07:23:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-05 07:23:30] [INFO ] [Nat]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-05 07:23:30] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-05 07:23:31] [INFO ] [Nat]Absence check using state equation in 279 ms returned sat
[2025-06-05 07:23:31] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 43 ms.
[2025-06-05 07:23:32] [INFO ] Added : 185 causal constraints over 37 iterations in 1908 ms. Result :sat
Minimization took 638 ms.
[2025-06-05 07:23:33] [INFO ] [Real]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-05 07:23:33] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:23:34] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2025-06-05 07:23:34] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 44 ms.
[2025-06-05 07:23:35] [INFO ] Added : 152 causal constraints over 31 iterations in 1726 ms. Result :sat
Minimization took 670 ms.
[2025-06-05 07:23:36] [INFO ] Solution in real domain found non-integer solution.
[2025-06-05 07:23:36] [INFO ] [Nat]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-05 07:23:36] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:23:37] [INFO ] [Nat]Absence check using state equation in 278 ms returned sat
[2025-06-05 07:23:37] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 49 ms.
[2025-06-05 07:23:38] [INFO ] Added : 152 causal constraints over 31 iterations in 1600 ms. Result :sat
Minimization took 645 ms.
[2025-06-05 07:23:39] [INFO ] [Real]Absence check using 352 positive place invariants in 48 ms returned sat
[2025-06-05 07:23:39] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-05 07:23:39] [INFO ] [Real]Absence check using state equation in 284 ms returned sat
[2025-06-05 07:23:39] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 45 ms.
[2025-06-05 07:23:41] [INFO ] Added : 172 causal constraints over 35 iterations in 1918 ms. Result :sat
Minimization took 662 ms.
[2025-06-05 07:23:42] [INFO ] Solution in real domain found non-integer solution.
[2025-06-05 07:23:42] [INFO ] [Nat]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-05 07:23:42] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-05 07:23:42] [INFO ] [Nat]Absence check using state equation in 279 ms returned sat
[2025-06-05 07:23:43] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 50 ms.
[2025-06-05 07:23:44] [INFO ] Added : 172 causal constraints over 35 iterations in 1778 ms. Result :sat
Minimization took 646 ms.
[2025-06-05 07:23:45] [INFO ] [Real]Absence check using 352 positive place invariants in 48 ms returned sat
[2025-06-05 07:23:45] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-05 07:23:45] [INFO ] [Real]Absence check using state equation in 281 ms returned sat
[2025-06-05 07:23:46] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 49 ms.
[2025-06-05 07:23:47] [INFO ] Added : 146 causal constraints over 30 iterations in 1679 ms. Result :sat
Minimization took 656 ms.
[2025-06-05 07:23:48] [INFO ] Solution in real domain found non-integer solution.
[2025-06-05 07:23:48] [INFO ] [Nat]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-05 07:23:48] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-05 07:23:48] [INFO ] [Nat]Absence check using state equation in 278 ms returned sat
[2025-06-05 07:23:48] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 47 ms.
[2025-06-05 07:23:50] [INFO ] Added : 146 causal constraints over 30 iterations in 1524 ms. Result :sat
Minimization took 634 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[23, 17, 20, 20] Max Struct:[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
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[23, 23] Max Struct:[24, 24]
Support contains 2 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 42 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 42 ms. Remains : 896/896 places, 1056/1056 transitions.
[2025-06-05 07:25:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[23, 23] Max Struct:[24, 24]
RANDOM walk for 761737 steps (19 resets) in 30001 ms. (25 steps per ms)
BEST_FIRST walk for 1138491 steps (2 resets) in 10004 ms. (113 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[23, 23] Max Struct:[24, 24]
[2025-06-05 07:26:05] [INFO ] Invariant cache hit.
[2025-06-05 07:26:05] [INFO ] [Real]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-05 07:26:05] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 07:26:05] [INFO ] [Real]Absence check using state equation in 284 ms returned sat
[2025-06-05 07:26:06] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 46 ms.
[2025-06-05 07:26:07] [INFO ] Added : 185 causal constraints over 37 iterations in 1948 ms. Result :sat
Minimization took 666 ms.
[2025-06-05 07:26:08] [INFO ] Solution in real domain found non-integer solution.
[2025-06-05 07:26:08] [INFO ] [Nat]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-05 07:26:08] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 8 ms returned sat
[2025-06-05 07:26:09] [INFO ] [Nat]Absence check using state equation in 271 ms returned sat
[2025-06-05 07:26:09] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 46 ms.
[2025-06-05 07:26:10] [INFO ] Added : 185 causal constraints over 37 iterations in 1840 ms. Result :sat
Minimization took 640 ms.
[2025-06-05 07:26:11] [INFO ] [Real]Absence check using 352 positive place invariants in 50 ms returned sat
[2025-06-05 07:26:11] [INFO ] [Real]Absence check using 352 positive and 1 generalized place invariants in 11 ms returned sat
[2025-06-05 07:26:12] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-05 07:26:12] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 45 ms.
[2025-06-05 07:26:13] [INFO ] Added : 142 causal constraints over 29 iterations in 1602 ms. Result :sat
Minimization took 648 ms.
[2025-06-05 07:26:14] [INFO ] Solution in real domain found non-integer solution.
[2025-06-05 07:26:14] [INFO ] [Nat]Absence check using 352 positive place invariants in 49 ms returned sat
[2025-06-05 07:26:14] [INFO ] [Nat]Absence check using 352 positive and 1 generalized place invariants in 10 ms returned sat
[2025-06-05 07:26:14] [INFO ] [Nat]Absence check using state equation in 265 ms returned sat
[2025-06-05 07:26:14] [INFO ] Computed and/alt/rep : 800/800/800 causal constraints (skipped 0 transitions) in 42 ms.
[2025-06-05 07:26:16] [INFO ] Added : 142 causal constraints over 29 iterations in 1445 ms. Result :sat
Minimization took 621 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[23, 23] Max Struct:[24, 24]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[23, 23] Max Struct:[24, 24]
Support contains 2 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 27 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 27 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 49 ms. Remains 896 /896 variables (removed 0) and now considering 1056/1056 (removed 0) transitions.
[2025-06-05 07:27:11] [INFO ] Invariant cache hit.
[2025-06-05 07:27:12] [INFO ] Implicit Places using invariants in 510 ms returned []
[2025-06-05 07:27:12] [INFO ] Invariant cache hit.
[2025-06-05 07:27:13] [INFO ] Implicit Places using invariants and state equation in 861 ms returned []
Implicit Place search using SMT with State Equation took 1373 ms to find 0 implicit places.
[2025-06-05 07:27:13] [INFO ] Redundant transitions in 61 ms returned []
Running 800 sub problems to find dead transitions.
[2025-06-05 07:27:13] [INFO ] Invariant cache hit.
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
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1952/1952 variables, and 1249 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]
Escalating to Integer solving :Problem set: 0 solved, 800 unsolved
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 30021 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]
After SMT, in 60538ms problems are : Problem set: 0 solved, 800 unsolved
Search for dead transitions found 0 dead transitions in 60560ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62080 ms. Remains : 896/896 places, 1056/1056 transitions.
[2025-06-05 07:28:14] [INFO ] Flatten gal took : 238 ms
[2025-06-05 07:28:14] [INFO ] Flatten gal took : 144 ms
[2025-06-05 07:28:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15153658928052615787.gal : 54 ms
[2025-06-05 07:28:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15239747636562349981.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/ReachabilityCardinality15153658928052615787.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15239747636562349981.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15239747636562349981.prop.
RANDOM walk for 40000 steps (8 resets) in 3952 ms. (10 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 748 ms. (53 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 63
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :63 after 392
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :392 after 2096
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :2096 after 13904
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :13904 after 20700
BEST_FIRST walk for 40004 steps (8 resets) in 553 ms. (72 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :20700 after 81680
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :81680 after 254688
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :254688 after 1.25545e+06
BEST_FIRST walk for 40004 steps (8 resets) in 504 ms. (79 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1.25545e+06 after 3.67563e+06
BEST_FIRST walk for 40004 steps (8 resets) in 516 ms. (77 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :3.67563e+06 after 1.43992e+07
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :1.43992e+07 after 8.60687e+08
Interrupted probabilistic random walk after 132491 steps, run timeout after 3003 ms. (steps per millisecond=44 ) properties seen :0 out of 4
Probabilistic random walk after 132491 steps, saw 132027 distinct states, run finished after 3006 ms. (steps per millisecond=44 ) properties seen :0
[2025-06-05 07:28:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 350/360 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :8.60687e+08 after 7.41108e+11
At refinement iteration 5 (OVERLAPS) 535/895 variables, 349/352 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2025-06-05 07:28:19] [INFO ] Deduced a trap composed of 386 places in 244 ms of which 30 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/895 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/895 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 1/896 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/896 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 1056/1952 variables, 896/1250 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1952 variables, 0/1250 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/1952 variables, 0/1250 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1952/1952 variables, and 1250 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1459 ms.
Refiners :[Positive P Invariants (semi-flows): 352/352 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 896/896 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 350/360 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 535/895 variables, 349/352 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/895 variables, 1/353 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/895 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 1/896 variables, 1/354 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/896 variables, 0/354 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 1056/1952 variables, 896/1250 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1952 variables, 4/1254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1952 variables, 0/1254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/1952 variables, 0/1254 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1952/1952 variables, and 1254 constraints, problems are : Problem set: 0 solved, 4 unsolved in 753 ms.
Refiners :[Positive P Invariants (semi-flows): 352/352 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 896/896 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints]
After SMT, in 2222ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Finished Parikh walk after 4565 steps, including 1 resets, run visited all 4 properties in 149 ms. (steps per millisecond=30 )
Parikh walk visited 4 properties in 153 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
FORMULA SquareGrid-PT-080408-UpperBounds-05 24 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 2 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 368710 ms.

BK_STOP 1749108501213

--------------------
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="SquareGrid-PT-080408"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 gold2024"
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 r223-tall-174902009400114"
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 ;