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.r105-tall-167814481300477.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)
.................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is DES-PT-50a, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r105-tall-167814481300477
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 7.4K Feb 26 15:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 15:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 15:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 26 15:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 15:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 15:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Feb 26 15:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 15:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Feb 26 15:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Feb 26 15:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 15:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 97K Mar 5 18:22 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 DES-PT-50a-UpperBounds-00
FORMULA_NAME DES-PT-50a-UpperBounds-01
FORMULA_NAME DES-PT-50a-UpperBounds-02
FORMULA_NAME DES-PT-50a-UpperBounds-03
FORMULA_NAME DES-PT-50a-UpperBounds-04
FORMULA_NAME DES-PT-50a-UpperBounds-05
FORMULA_NAME DES-PT-50a-UpperBounds-06
FORMULA_NAME DES-PT-50a-UpperBounds-07
FORMULA_NAME DES-PT-50a-UpperBounds-08
FORMULA_NAME DES-PT-50a-UpperBounds-09
FORMULA_NAME DES-PT-50a-UpperBounds-10
FORMULA_NAME DES-PT-50a-UpperBounds-11
FORMULA_NAME DES-PT-50a-UpperBounds-12
FORMULA_NAME DES-PT-50a-UpperBounds-13
FORMULA_NAME DES-PT-50a-UpperBounds-14
FORMULA_NAME DES-PT-50a-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678308115004

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-50a
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-08 20:41:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-08 20:41:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 20:41:56] [INFO ] Load time of PNML (sax parser for PT used): 60 ms
[2023-03-08 20:41:56] [INFO ] Transformed 314 places.
[2023-03-08 20:41:56] [INFO ] Transformed 271 transitions.
[2023-03-08 20:41:56] [INFO ] Found NUPN structural information;
[2023-03-08 20:41:56] [INFO ] Parsed PT model containing 314 places and 271 transitions and 1306 arcs in 124 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
// Phase 1: matrix 257 rows 314 cols
[2023-03-08 20:41:56] [INFO ] Computed 59 place invariants in 35 ms
Incomplete random walk after 10000 steps, including 231 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 16) seen :7
FORMULA DES-PT-50a-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-50a-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-50a-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-50a-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-50a-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-50a-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-50a-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 43 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 46 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 43 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 46 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 46 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 9) seen :0
[2023-03-08 20:41:56] [INFO ] Invariant cache hit.
[2023-03-08 20:41:57] [INFO ] [Real]Absence check using 34 positive place invariants in 13 ms returned sat
[2023-03-08 20:41:57] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 15 ms returned sat
[2023-03-08 20:41:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:41:57] [INFO ] [Real]Absence check using state equation in 168 ms returned sat
[2023-03-08 20:41:57] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:41:57] [INFO ] [Nat]Absence check using 34 positive place invariants in 13 ms returned sat
[2023-03-08 20:41:57] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 67 ms returned sat
[2023-03-08 20:41:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:41:59] [INFO ] [Nat]Absence check using state equation in 1512 ms returned sat
[2023-03-08 20:41:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 20:41:59] [INFO ] [Nat]Added 1 Read/Feed constraints in 209 ms returned sat
[2023-03-08 20:41:59] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 21 ms.
[2023-03-08 20:42:00] [INFO ] Added : 171 causal constraints over 35 iterations in 1171 ms. Result :sat
Minimization took 234 ms.
[2023-03-08 20:42:00] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2023-03-08 20:42:00] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 13 ms returned sat
[2023-03-08 20:42:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:01] [INFO ] [Real]Absence check using state equation in 214 ms returned sat
[2023-03-08 20:42:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:01] [INFO ] [Nat]Absence check using 34 positive place invariants in 9 ms returned sat
[2023-03-08 20:42:01] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 82 ms returned sat
[2023-03-08 20:42:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:02] [INFO ] [Nat]Absence check using state equation in 728 ms returned sat
[2023-03-08 20:42:02] [INFO ] [Nat]Added 1 Read/Feed constraints in 770 ms returned sat
[2023-03-08 20:42:02] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 25 ms.
[2023-03-08 20:42:04] [INFO ] Added : 191 causal constraints over 39 iterations in 1348 ms. Result :sat
Minimization took 190 ms.
[2023-03-08 20:42:04] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2023-03-08 20:42:04] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 14 ms returned sat
[2023-03-08 20:42:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:04] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2023-03-08 20:42:04] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:04] [INFO ] [Nat]Absence check using 34 positive place invariants in 11 ms returned sat
[2023-03-08 20:42:04] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 83 ms returned sat
[2023-03-08 20:42:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:05] [INFO ] [Nat]Absence check using state equation in 822 ms returned sat
[2023-03-08 20:42:05] [INFO ] [Nat]Added 1 Read/Feed constraints in 3 ms returned sat
[2023-03-08 20:42:05] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 23 ms.
[2023-03-08 20:42:06] [INFO ] Added : 85 causal constraints over 17 iterations in 609 ms. Result :sat
Minimization took 393 ms.
[2023-03-08 20:42:06] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2023-03-08 20:42:06] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 16 ms returned sat
[2023-03-08 20:42:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:06] [INFO ] [Real]Absence check using state equation in 137 ms returned sat
[2023-03-08 20:42:06] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:07] [INFO ] [Nat]Absence check using 34 positive place invariants in 9 ms returned sat
[2023-03-08 20:42:07] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 83 ms returned sat
[2023-03-08 20:42:07] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:08] [INFO ] [Nat]Absence check using state equation in 1039 ms returned sat
[2023-03-08 20:42:08] [INFO ] [Nat]Added 1 Read/Feed constraints in 380 ms returned sat
[2023-03-08 20:42:08] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 29 ms.
[2023-03-08 20:42:09] [INFO ] Added : 119 causal constraints over 24 iterations in 695 ms. Result :sat
Minimization took 210 ms.
[2023-03-08 20:42:09] [INFO ] [Real]Absence check using 34 positive place invariants in 10 ms returned sat
[2023-03-08 20:42:09] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 12 ms returned sat
[2023-03-08 20:42:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:09] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2023-03-08 20:42:09] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:09] [INFO ] [Nat]Absence check using 34 positive place invariants in 9 ms returned sat
[2023-03-08 20:42:09] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 147 ms returned sat
[2023-03-08 20:42:09] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:10] [INFO ] [Nat]Absence check using state equation in 1013 ms returned sat
[2023-03-08 20:42:10] [INFO ] [Nat]Added 1 Read/Feed constraints in 4 ms returned sat
[2023-03-08 20:42:10] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 36 ms.
[2023-03-08 20:42:12] [INFO ] Added : 130 causal constraints over 26 iterations in 1476 ms. Result :sat
Minimization took 172 ms.
[2023-03-08 20:42:12] [INFO ] [Real]Absence check using 34 positive place invariants in 7 ms returned sat
[2023-03-08 20:42:12] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 13 ms returned sat
[2023-03-08 20:42:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:12] [INFO ] [Real]Absence check using state equation in 131 ms returned sat
[2023-03-08 20:42:12] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:12] [INFO ] [Nat]Absence check using 34 positive place invariants in 9 ms returned sat
[2023-03-08 20:42:12] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 91 ms returned sat
[2023-03-08 20:42:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:13] [INFO ] [Nat]Absence check using state equation in 910 ms returned sat
[2023-03-08 20:42:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 65 ms returned sat
[2023-03-08 20:42:13] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 18 ms.
[2023-03-08 20:42:14] [INFO ] Added : 134 causal constraints over 27 iterations in 919 ms. Result :sat
Minimization took 199 ms.
[2023-03-08 20:42:15] [INFO ] [Real]Absence check using 34 positive place invariants in 9 ms returned sat
[2023-03-08 20:42:15] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 13 ms returned sat
[2023-03-08 20:42:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:15] [INFO ] [Real]Absence check using state equation in 138 ms returned sat
[2023-03-08 20:42:15] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:15] [INFO ] [Nat]Absence check using 34 positive place invariants in 9 ms returned sat
[2023-03-08 20:42:15] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 85 ms returned sat
[2023-03-08 20:42:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:16] [INFO ] [Nat]Absence check using state equation in 958 ms returned sat
[2023-03-08 20:42:16] [INFO ] [Nat]Added 1 Read/Feed constraints in 4 ms returned sat
[2023-03-08 20:42:16] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 22 ms.
[2023-03-08 20:42:17] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 5 ms to minimize.
[2023-03-08 20:42:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2023-03-08 20:42:17] [INFO ] Added : 102 causal constraints over 21 iterations in 849 ms. Result :sat
Minimization took 1207 ms.
[2023-03-08 20:42:18] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2023-03-08 20:42:18] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 21 ms returned sat
[2023-03-08 20:42:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:18] [INFO ] [Real]Absence check using state equation in 183 ms returned sat
[2023-03-08 20:42:18] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:18] [INFO ] [Nat]Absence check using 34 positive place invariants in 8 ms returned sat
[2023-03-08 20:42:19] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 118 ms returned sat
[2023-03-08 20:42:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:19] [INFO ] [Nat]Absence check using state equation in 235 ms returned sat
[2023-03-08 20:42:19] [INFO ] [Nat]Added 1 Read/Feed constraints in 109 ms returned sat
[2023-03-08 20:42:19] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 23 ms.
[2023-03-08 20:42:20] [INFO ] Deduced a trap composed of 12 places in 62 ms of which 1 ms to minimize.
[2023-03-08 20:42:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 103 ms
[2023-03-08 20:42:20] [INFO ] Added : 73 causal constraints over 15 iterations in 1317 ms. Result :sat
Minimization took 192 ms.
[2023-03-08 20:42:20] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2023-03-08 20:42:21] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 13 ms returned sat
[2023-03-08 20:42:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:21] [INFO ] [Real]Absence check using state equation in 143 ms returned sat
[2023-03-08 20:42:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:21] [INFO ] [Nat]Absence check using 34 positive place invariants in 9 ms returned sat
[2023-03-08 20:42:21] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 198 ms returned sat
[2023-03-08 20:42:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:22] [INFO ] [Nat]Absence check using state equation in 1370 ms returned sat
[2023-03-08 20:42:22] [INFO ] [Nat]Added 1 Read/Feed constraints in 39 ms returned sat
[2023-03-08 20:42:22] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 19 ms.
[2023-03-08 20:42:23] [INFO ] Added : 144 causal constraints over 29 iterations in 983 ms. Result :sat
Minimization took 160 ms.
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1, 1, 1, 1, 1, 1] Max seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA DES-PT-50a-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-50a-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 7 out of 314 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 314/314 places, 257/257 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 314 transition count 255
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 313 transition count 254
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 313 transition count 254
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 10 place count 313 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 312 transition count 253
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 12 place count 311 transition count 253
Applied a total of 12 rules in 98 ms. Remains 311 /314 variables (removed 3) and now considering 253/257 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98 ms. Remains : 311/314 places, 253/257 transitions.
// Phase 1: matrix 253 rows 311 cols
[2023-03-08 20:42:26] [INFO ] Computed 60 place invariants in 6 ms
Incomplete random walk after 1000000 steps, including 13575 resets, run finished after 2080 ms. (steps per millisecond=480 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2286 resets, run finished after 956 ms. (steps per millisecond=1046 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2268 resets, run finished after 959 ms. (steps per millisecond=1042 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2304 resets, run finished after 966 ms. (steps per millisecond=1035 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2286 resets, run finished after 946 ms. (steps per millisecond=1057 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2279 resets, run finished after 963 ms. (steps per millisecond=1038 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2249 resets, run finished after 997 ms. (steps per millisecond=1003 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2262 resets, run finished after 959 ms. (steps per millisecond=1042 ) properties (out of 7) seen :0
[2023-03-08 20:42:35] [INFO ] Invariant cache hit.
[2023-03-08 20:42:35] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 20:42:35] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 14 ms returned sat
[2023-03-08 20:42:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:35] [INFO ] [Real]Absence check using state equation in 122 ms returned sat
[2023-03-08 20:42:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:35] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:35] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 50 ms returned sat
[2023-03-08 20:42:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:36] [INFO ] [Nat]Absence check using state equation in 188 ms returned sat
[2023-03-08 20:42:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:42:36] [INFO ] [Nat]Added 2 Read/Feed constraints in 26 ms returned sat
[2023-03-08 20:42:36] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 15 ms.
[2023-03-08 20:42:36] [INFO ] Added : 198 causal constraints over 40 iterations in 783 ms. Result :sat
Minimization took 128 ms.
[2023-03-08 20:42:37] [INFO ] [Real]Absence check using 35 positive place invariants in 9 ms returned sat
[2023-03-08 20:42:37] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 13 ms returned sat
[2023-03-08 20:42:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:37] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2023-03-08 20:42:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:37] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:37] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 36 ms returned sat
[2023-03-08 20:42:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:37] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2023-03-08 20:42:37] [INFO ] [Nat]Added 2 Read/Feed constraints in 6 ms returned sat
[2023-03-08 20:42:37] [INFO ] Deduced a trap composed of 21 places in 68 ms of which 1 ms to minimize.
[2023-03-08 20:42:37] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 2 ms to minimize.
[2023-03-08 20:42:37] [INFO ] Deduced a trap composed of 23 places in 57 ms of which 1 ms to minimize.
[2023-03-08 20:42:37] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 226 ms
[2023-03-08 20:42:37] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 12 ms.
[2023-03-08 20:42:38] [INFO ] Deduced a trap composed of 50 places in 60 ms of which 0 ms to minimize.
[2023-03-08 20:42:38] [INFO ] Deduced a trap composed of 55 places in 45 ms of which 1 ms to minimize.
[2023-03-08 20:42:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 154 ms
[2023-03-08 20:42:38] [INFO ] Added : 238 causal constraints over 48 iterations in 1043 ms. Result :sat
Minimization took 72 ms.
[2023-03-08 20:42:38] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 20:42:38] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 16 ms returned sat
[2023-03-08 20:42:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:38] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2023-03-08 20:42:39] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:39] [INFO ] [Nat]Absence check using 35 positive place invariants in 7 ms returned sat
[2023-03-08 20:42:39] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 52 ms returned sat
[2023-03-08 20:42:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:39] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2023-03-08 20:42:39] [INFO ] [Nat]Added 2 Read/Feed constraints in 4 ms returned sat
[2023-03-08 20:42:39] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 14 ms.
[2023-03-08 20:42:39] [INFO ] Deduced a trap composed of 6 places in 42 ms of which 1 ms to minimize.
[2023-03-08 20:42:39] [INFO ] Deduced a trap composed of 5 places in 45 ms of which 1 ms to minimize.
[2023-03-08 20:42:39] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 0 ms to minimize.
[2023-03-08 20:42:39] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 180 ms
[2023-03-08 20:42:39] [INFO ] Added : 75 causal constraints over 17 iterations in 528 ms. Result :sat
Minimization took 46 ms.
[2023-03-08 20:42:39] [INFO ] [Real]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:39] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 22 ms returned sat
[2023-03-08 20:42:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:40] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2023-03-08 20:42:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:40] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:40] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 71 ms returned sat
[2023-03-08 20:42:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:40] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2023-03-08 20:42:40] [INFO ] [Nat]Added 2 Read/Feed constraints in 9 ms returned sat
[2023-03-08 20:42:40] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 0 ms to minimize.
[2023-03-08 20:42:40] [INFO ] Deduced a trap composed of 26 places in 72 ms of which 0 ms to minimize.
[2023-03-08 20:42:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 191 ms
[2023-03-08 20:42:40] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 12 ms.
[2023-03-08 20:42:41] [INFO ] Deduced a trap composed of 50 places in 71 ms of which 0 ms to minimize.
[2023-03-08 20:42:41] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 0 ms to minimize.
[2023-03-08 20:42:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 155 ms
[2023-03-08 20:42:41] [INFO ] Added : 149 causal constraints over 30 iterations in 724 ms. Result :sat
Minimization took 89 ms.
[2023-03-08 20:42:41] [INFO ] [Real]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:41] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 15 ms returned sat
[2023-03-08 20:42:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:41] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2023-03-08 20:42:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:41] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:41] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 53 ms returned sat
[2023-03-08 20:42:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:41] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2023-03-08 20:42:41] [INFO ] [Nat]Added 2 Read/Feed constraints in 4 ms returned sat
[2023-03-08 20:42:41] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 14 ms.
[2023-03-08 20:42:42] [INFO ] Deduced a trap composed of 8 places in 78 ms of which 1 ms to minimize.
[2023-03-08 20:42:42] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 0 ms to minimize.
[2023-03-08 20:42:42] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 1 ms to minimize.
[2023-03-08 20:42:42] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 275 ms
[2023-03-08 20:42:42] [INFO ] Added : 74 causal constraints over 15 iterations in 564 ms. Result :sat
Minimization took 87 ms.
[2023-03-08 20:42:42] [INFO ] [Real]Absence check using 35 positive place invariants in 8 ms returned sat
[2023-03-08 20:42:42] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 12 ms returned sat
[2023-03-08 20:42:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:42] [INFO ] [Real]Absence check using state equation in 104 ms returned sat
[2023-03-08 20:42:42] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:42] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:42] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 60 ms returned sat
[2023-03-08 20:42:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:42] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2023-03-08 20:42:42] [INFO ] [Nat]Added 2 Read/Feed constraints in 3 ms returned sat
[2023-03-08 20:42:42] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 11 ms.
[2023-03-08 20:42:43] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 1 ms to minimize.
[2023-03-08 20:42:43] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
[2023-03-08 20:42:43] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 0 ms to minimize.
[2023-03-08 20:42:43] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 159 ms
[2023-03-08 20:42:43] [INFO ] Added : 87 causal constraints over 19 iterations in 530 ms. Result :sat
Minimization took 53 ms.
[2023-03-08 20:42:43] [INFO ] [Real]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:43] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 13 ms returned sat
[2023-03-08 20:42:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:43] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2023-03-08 20:42:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:43] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 20:42:43] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 33 ms returned sat
[2023-03-08 20:42:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:44] [INFO ] [Nat]Absence check using state equation in 439 ms returned sat
[2023-03-08 20:42:44] [INFO ] [Nat]Added 2 Read/Feed constraints in 3 ms returned sat
[2023-03-08 20:42:44] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 0 ms to minimize.
[2023-03-08 20:42:44] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 0 ms to minimize.
[2023-03-08 20:42:44] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2023-03-08 20:42:44] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 12 ms.
[2023-03-08 20:42:44] [INFO ] Added : 188 causal constraints over 38 iterations in 744 ms. Result :sat
Minimization took 149 ms.
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1, 1, 1, 1] Max seen :[0, 0, 0, 0, 0, 0, 0]
FORMULA DES-PT-50a-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-50a-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-50a-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-50a-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-50a-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 2 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 13 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 311/311 places, 253/253 transitions.
[2023-03-08 20:42:47] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 13643 resets, run finished after 1911 ms. (steps per millisecond=523 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2251 resets, run finished after 900 ms. (steps per millisecond=1111 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2253 resets, run finished after 927 ms. (steps per millisecond=1078 ) properties (out of 2) seen :0
[2023-03-08 20:42:50] [INFO ] Invariant cache hit.
[2023-03-08 20:42:50] [INFO ] [Real]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:50] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 13 ms returned sat
[2023-03-08 20:42:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:51] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2023-03-08 20:42:51] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:51] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:51] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 47 ms returned sat
[2023-03-08 20:42:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:51] [INFO ] [Nat]Absence check using state equation in 186 ms returned sat
[2023-03-08 20:42:51] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:42:51] [INFO ] [Nat]Added 2 Read/Feed constraints in 25 ms returned sat
[2023-03-08 20:42:51] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 13 ms.
[2023-03-08 20:42:52] [INFO ] Added : 198 causal constraints over 40 iterations in 749 ms. Result :sat
Minimization took 121 ms.
[2023-03-08 20:42:52] [INFO ] [Real]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:52] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 14 ms returned sat
[2023-03-08 20:42:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:52] [INFO ] [Real]Absence check using state equation in 87 ms returned sat
[2023-03-08 20:42:52] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:52] [INFO ] [Nat]Absence check using 35 positive place invariants in 8 ms returned sat
[2023-03-08 20:42:52] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 41 ms returned sat
[2023-03-08 20:42:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:52] [INFO ] [Nat]Absence check using state equation in 153 ms returned sat
[2023-03-08 20:42:52] [INFO ] [Nat]Added 2 Read/Feed constraints in 6 ms returned sat
[2023-03-08 20:42:52] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 1 ms to minimize.
[2023-03-08 20:42:52] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 0 ms to minimize.
[2023-03-08 20:42:52] [INFO ] Deduced a trap composed of 23 places in 44 ms of which 1 ms to minimize.
[2023-03-08 20:42:52] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 209 ms
[2023-03-08 20:42:52] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 12 ms.
[2023-03-08 20:42:53] [INFO ] Deduced a trap composed of 50 places in 65 ms of which 0 ms to minimize.
[2023-03-08 20:42:54] [INFO ] Deduced a trap composed of 55 places in 49 ms of which 1 ms to minimize.
[2023-03-08 20:42:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 166 ms
[2023-03-08 20:42:54] [INFO ] Added : 238 causal constraints over 48 iterations in 1095 ms. Result :sat
Minimization took 77 ms.
Current structural bounds on expressions (after SMT) : [1, 1] Max seen :[0, 0]
Support contains 2 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 20 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 11 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2023-03-08 20:42:55] [INFO ] Invariant cache hit.
[2023-03-08 20:42:55] [INFO ] Implicit Places using invariants in 169 ms returned []
[2023-03-08 20:42:55] [INFO ] Invariant cache hit.
[2023-03-08 20:42:55] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:42:55] [INFO ] Implicit Places using invariants and state equation in 464 ms returned []
Implicit Place search using SMT with State Equation took 635 ms to find 0 implicit places.
[2023-03-08 20:42:55] [INFO ] Redundant transitions in 12 ms returned []
[2023-03-08 20:42:55] [INFO ] Invariant cache hit.
[2023-03-08 20:42:55] [INFO ] Dead Transitions using invariants and state equation in 128 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 795 ms. Remains : 311/311 places, 253/253 transitions.
Starting property specific reduction for DES-PT-50a-UpperBounds-00
[2023-03-08 20:42:55] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 133 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
[2023-03-08 20:42:55] [INFO ] Invariant cache hit.
[2023-03-08 20:42:55] [INFO ] [Real]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:55] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 12 ms returned sat
[2023-03-08 20:42:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:56] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2023-03-08 20:42:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:42:56] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:42:56] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 50 ms returned sat
[2023-03-08 20:42:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:42:56] [INFO ] [Nat]Absence check using state equation in 195 ms returned sat
[2023-03-08 20:42:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:42:56] [INFO ] [Nat]Added 2 Read/Feed constraints in 17 ms returned sat
[2023-03-08 20:42:56] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 14 ms.
[2023-03-08 20:42:57] [INFO ] Added : 198 causal constraints over 40 iterations in 779 ms. Result :sat
Minimization took 126 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 12 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 311/311 places, 253/253 transitions.
[2023-03-08 20:42:57] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 13647 resets, run finished after 2015 ms. (steps per millisecond=496 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2295 resets, run finished after 940 ms. (steps per millisecond=1063 ) properties (out of 1) seen :0
[2023-03-08 20:43:00] [INFO ] Invariant cache hit.
[2023-03-08 20:43:00] [INFO ] [Real]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:43:00] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 18 ms returned sat
[2023-03-08 20:43:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:43:00] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2023-03-08 20:43:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:43:01] [INFO ] [Nat]Absence check using 35 positive place invariants in 7 ms returned sat
[2023-03-08 20:43:01] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 55 ms returned sat
[2023-03-08 20:43:01] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:43:01] [INFO ] [Nat]Absence check using state equation in 188 ms returned sat
[2023-03-08 20:43:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:43:01] [INFO ] [Nat]Added 2 Read/Feed constraints in 16 ms returned sat
[2023-03-08 20:43:01] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 13 ms.
[2023-03-08 20:43:02] [INFO ] Added : 198 causal constraints over 40 iterations in 767 ms. Result :sat
Minimization took 128 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 24 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 13 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2023-03-08 20:43:02] [INFO ] Invariant cache hit.
[2023-03-08 20:43:02] [INFO ] Implicit Places using invariants in 157 ms returned []
[2023-03-08 20:43:02] [INFO ] Invariant cache hit.
[2023-03-08 20:43:02] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:43:03] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 629 ms to find 0 implicit places.
[2023-03-08 20:43:03] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-08 20:43:03] [INFO ] Invariant cache hit.
[2023-03-08 20:43:03] [INFO ] Dead Transitions using invariants and state equation in 140 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 793 ms. Remains : 311/311 places, 253/253 transitions.
Ending property specific reduction for DES-PT-50a-UpperBounds-00 in 7558 ms.
Starting property specific reduction for DES-PT-50a-UpperBounds-02
[2023-03-08 20:43:03] [INFO ] Invariant cache hit.
Incomplete random walk after 10000 steps, including 139 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 23 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
[2023-03-08 20:43:03] [INFO ] Invariant cache hit.
[2023-03-08 20:43:03] [INFO ] [Real]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:43:03] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 12 ms returned sat
[2023-03-08 20:43:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:43:03] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2023-03-08 20:43:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:43:03] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:43:03] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 36 ms returned sat
[2023-03-08 20:43:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:43:03] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2023-03-08 20:43:03] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:43:03] [INFO ] [Nat]Added 2 Read/Feed constraints in 6 ms returned sat
[2023-03-08 20:43:03] [INFO ] Deduced a trap composed of 21 places in 68 ms of which 0 ms to minimize.
[2023-03-08 20:43:04] [INFO ] Deduced a trap composed of 17 places in 61 ms of which 0 ms to minimize.
[2023-03-08 20:43:04] [INFO ] Deduced a trap composed of 23 places in 58 ms of which 0 ms to minimize.
[2023-03-08 20:43:04] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 236 ms
[2023-03-08 20:43:04] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 11 ms.
[2023-03-08 20:43:05] [INFO ] Deduced a trap composed of 50 places in 63 ms of which 1 ms to minimize.
[2023-03-08 20:43:05] [INFO ] Deduced a trap composed of 55 places in 50 ms of which 0 ms to minimize.
[2023-03-08 20:43:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 165 ms
[2023-03-08 20:43:05] [INFO ] Added : 238 causal constraints over 48 iterations in 1065 ms. Result :sat
Minimization took 76 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 8 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 311/311 places, 253/253 transitions.
[2023-03-08 20:43:05] [INFO ] Invariant cache hit.
Incomplete random walk after 1000000 steps, including 13604 resets, run finished after 1937 ms. (steps per millisecond=516 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2303 resets, run finished after 924 ms. (steps per millisecond=1082 ) properties (out of 1) seen :0
[2023-03-08 20:43:08] [INFO ] Invariant cache hit.
[2023-03-08 20:43:08] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 20:43:08] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 17 ms returned sat
[2023-03-08 20:43:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-08 20:43:08] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2023-03-08 20:43:08] [INFO ] Solution in real domain found non-integer solution.
[2023-03-08 20:43:08] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 20:43:08] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 35 ms returned sat
[2023-03-08 20:43:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-08 20:43:09] [INFO ] [Nat]Absence check using state equation in 154 ms returned sat
[2023-03-08 20:43:09] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:43:09] [INFO ] [Nat]Added 2 Read/Feed constraints in 6 ms returned sat
[2023-03-08 20:43:09] [INFO ] Deduced a trap composed of 21 places in 62 ms of which 0 ms to minimize.
[2023-03-08 20:43:09] [INFO ] Deduced a trap composed of 17 places in 63 ms of which 1 ms to minimize.
[2023-03-08 20:43:09] [INFO ] Deduced a trap composed of 23 places in 52 ms of which 4 ms to minimize.
[2023-03-08 20:43:09] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 225 ms
[2023-03-08 20:43:09] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 12 ms.
[2023-03-08 20:43:10] [INFO ] Deduced a trap composed of 50 places in 66 ms of which 1 ms to minimize.
[2023-03-08 20:43:10] [INFO ] Deduced a trap composed of 55 places in 49 ms of which 0 ms to minimize.
[2023-03-08 20:43:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 163 ms
[2023-03-08 20:43:10] [INFO ] Added : 238 causal constraints over 48 iterations in 1052 ms. Result :sat
Minimization took 73 ms.
Current structural bounds on expressions (after SMT) : [-1] Max seen :[0]
Support contains 1 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 8 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 8 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2023-03-08 20:43:10] [INFO ] Invariant cache hit.
[2023-03-08 20:43:11] [INFO ] Implicit Places using invariants in 164 ms returned []
[2023-03-08 20:43:11] [INFO ] Invariant cache hit.
[2023-03-08 20:43:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-08 20:43:11] [INFO ] Implicit Places using invariants and state equation in 473 ms returned []
Implicit Place search using SMT with State Equation took 639 ms to find 0 implicit places.
[2023-03-08 20:43:11] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-08 20:43:11] [INFO ] Invariant cache hit.
[2023-03-08 20:43:11] [INFO ] Dead Transitions using invariants and state equation in 133 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 794 ms. Remains : 311/311 places, 253/253 transitions.
Ending property specific reduction for DES-PT-50a-UpperBounds-02 in 8262 ms.
[2023-03-08 20:43:11] [INFO ] Flatten gal took : 59 ms
[2023-03-08 20:43:11] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2023-03-08 20:43:11] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 311 places, 253 transitions and 1219 arcs took 2 ms.
Total runtime 75381 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --maxsum=/tmp/750/ub_0_ --maxsum=/tmp/750/ub_1_
FORMULA DES-PT-50a-UpperBounds-00 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA DES-PT-50a-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1678308809023

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2023
ub formula name DES-PT-50a-UpperBounds-00
ub formula formula --maxsum=/tmp/750/ub_0_
ub formula name DES-PT-50a-UpperBounds-02
ub formula formula --maxsum=/tmp/750/ub_1_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 311 places, 253 transitions and 1219 arcs
pnml2lts-sym: Petri net DES_PT_50a analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 253->248 groups
pnml2lts-sym: Regrouping took 0.060 real 0.060 user 0.000 sys
pnml2lts-sym: state vector length is 311; there are 248 groups
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Computing maximum sum over 1 state variables.
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: Exploration took 94005478 group checks and 0 next state calls
pnml2lts-sym: reachability took 610.610 real 2426.610 user 13.690 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 1.300 real 5.170 user 0.000 sys
pnml2lts-sym: state space has 28319158339780 states, 5345855 nodes
pnml2lts-sym: Maximum sum of /tmp/750/ub_0_ is: 1
pnml2lts-sym: Maximum sum of /tmp/750/ub_1_ is: 1
pnml2lts-sym: group_next: 2736 nodes total
pnml2lts-sym: group_explored: 2874 nodes, 3556 short vectors total
pnml2lts-sym: max token count: 1

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="DES-PT-50a"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is DES-PT-50a, 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 r105-tall-167814481300477"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-50a.tgz
mv DES-PT-50a 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 ;