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Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r105-tall-167814481200426
Last Updated
May 14, 2023

About the Execution of LTSMin+red for DES-PT-20a

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
509.172 3600000.00 14274829.00 469.50 ?T??????T??????? normal

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-167814481200426.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is DES-PT-20a, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r105-tall-167814481200426
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 6.5K Feb 26 15:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Feb 26 15:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 15:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K 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 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 15:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Feb 26 15:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Feb 26 15:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Feb 26 15:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Feb 26 15:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 15:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:50 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 57K 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 booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME DES-PT-20a-CTLFireability-00
FORMULA_NAME DES-PT-20a-CTLFireability-01
FORMULA_NAME DES-PT-20a-CTLFireability-02
FORMULA_NAME DES-PT-20a-CTLFireability-03
FORMULA_NAME DES-PT-20a-CTLFireability-04
FORMULA_NAME DES-PT-20a-CTLFireability-05
FORMULA_NAME DES-PT-20a-CTLFireability-06
FORMULA_NAME DES-PT-20a-CTLFireability-07
FORMULA_NAME DES-PT-20a-CTLFireability-08
FORMULA_NAME DES-PT-20a-CTLFireability-09
FORMULA_NAME DES-PT-20a-CTLFireability-10
FORMULA_NAME DES-PT-20a-CTLFireability-11
FORMULA_NAME DES-PT-20a-CTLFireability-12
FORMULA_NAME DES-PT-20a-CTLFireability-13
FORMULA_NAME DES-PT-20a-CTLFireability-14
FORMULA_NAME DES-PT-20a-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1678295627994

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=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-20a
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-08 17:13:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-08 17:13:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 17:13:49] [INFO ] Load time of PNML (sax parser for PT used): 49 ms
[2023-03-08 17:13:49] [INFO ] Transformed 195 places.
[2023-03-08 17:13:49] [INFO ] Transformed 152 transitions.
[2023-03-08 17:13:49] [INFO ] Found NUPN structural information;
[2023-03-08 17:13:49] [INFO ] Parsed PT model containing 195 places and 152 transitions and 742 arcs in 113 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 9 ms.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
Support contains 101 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 138/138 transitions.
Applied a total of 0 rules in 17 ms. Remains 195 /195 variables (removed 0) and now considering 138/138 (removed 0) transitions.
// Phase 1: matrix 138 rows 195 cols
[2023-03-08 17:13:49] [INFO ] Computed 59 place invariants in 24 ms
[2023-03-08 17:13:50] [INFO ] Implicit Places using invariants in 505 ms returned [92]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 532 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 138/138 transitions.
Applied a total of 0 rules in 6 ms. Remains 194 /194 variables (removed 0) and now considering 138/138 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 555 ms. Remains : 194/195 places, 138/138 transitions.
Support contains 101 out of 194 places after structural reductions.
[2023-03-08 17:13:50] [INFO ] Flatten gal took : 40 ms
[2023-03-08 17:13:50] [INFO ] Flatten gal took : 18 ms
[2023-03-08 17:13:50] [INFO ] Input system was already deterministic with 138 transitions.
Incomplete random walk after 10000 steps, including 215 resets, run finished after 475 ms. (steps per millisecond=21 ) properties (out of 71) seen :46
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 25) seen :0
Running SMT prover for 25 properties.
// Phase 1: matrix 138 rows 194 cols
[2023-03-08 17:13:51] [INFO ] Computed 58 place invariants in 16 ms
[2023-03-08 17:13:51] [INFO ] [Real]Absence check using 33 positive place invariants in 5 ms returned sat
[2023-03-08 17:13:51] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 10 ms returned sat
[2023-03-08 17:13:51] [INFO ] After 250ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:25
[2023-03-08 17:13:51] [INFO ] [Nat]Absence check using 33 positive place invariants in 7 ms returned sat
[2023-03-08 17:13:51] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 65 ms returned sat
[2023-03-08 17:13:54] [INFO ] After 1923ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :24
[2023-03-08 17:13:54] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 3 ms to minimize.
[2023-03-08 17:13:54] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 1 ms to minimize.
[2023-03-08 17:13:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 139 ms
[2023-03-08 17:13:56] [INFO ] After 4235ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :24
Attempting to minimize the solution found.
Minimization took 970 ms.
[2023-03-08 17:13:57] [INFO ] After 5778ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :24
Fused 25 Parikh solutions to 24 different solutions.
Finished Parikh walk after 229 steps, including 2 resets, run visited all 1 properties in 2 ms. (steps per millisecond=114 )
Parikh walk visited 24 properties in 567 ms.
Successfully simplified 1 atomic propositions for a total of 16 simplifications.
[2023-03-08 17:13:57] [INFO ] Flatten gal took : 21 ms
[2023-03-08 17:13:57] [INFO ] Flatten gal took : 15 ms
[2023-03-08 17:13:57] [INFO ] Input system was already deterministic with 138 transitions.
Support contains 96 out of 194 places (down from 100) after GAL structural reductions.
FORMULA DES-PT-20a-CTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 97 stabilizing places and 92 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 20 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 11 ms
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 12 ms
[2023-03-08 17:13:58] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 8 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 11 ms
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 11 ms
[2023-03-08 17:13:58] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 20 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 20 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 10 ms
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 10 ms
[2023-03-08 17:13:58] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Applied a total of 0 rules in 4 ms. Remains 194 /194 variables (removed 0) and now considering 138/138 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 194/194 places, 138/138 transitions.
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 10 ms
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 11 ms
[2023-03-08 17:13:58] [INFO ] Input system was already deterministic with 138 transitions.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 7 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 10 ms
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 10 ms
[2023-03-08 17:13:58] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 9 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 9 ms
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 10 ms
[2023-03-08 17:13:58] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 15 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 15 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 9 ms
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 8 ms
[2023-03-08 17:13:58] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 19 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 19 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 9 ms
[2023-03-08 17:13:58] [INFO ] Flatten gal took : 9 ms
[2023-03-08 17:13:58] [INFO ] Input system was already deterministic with 137 transitions.
Incomplete random walk after 10000 steps, including 221 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 1806772 steps, run timeout after 3001 ms. (steps per millisecond=602 ) properties seen :{}
Probabilistic random walk after 1806772 steps, saw 245138 distinct states, run finished after 3003 ms. (steps per millisecond=601 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 137 rows 193 cols
[2023-03-08 17:14:01] [INFO ] Computed 58 place invariants in 7 ms
[2023-03-08 17:14:01] [INFO ] [Real]Absence check using 33 positive place invariants in 12 ms returned sat
[2023-03-08 17:14:01] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 15 ms returned sat
[2023-03-08 17:14:01] [INFO ] After 70ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-08 17:14:01] [INFO ] [Nat]Absence check using 33 positive place invariants in 6 ms returned sat
[2023-03-08 17:14:01] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 71 ms returned sat
[2023-03-08 17:14:01] [INFO ] After 92ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-08 17:14:01] [INFO ] After 114ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 14 ms.
[2023-03-08 17:14:01] [INFO ] After 263ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 74 ms.
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 137/137 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 193 transition count 135
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 8 place count 193 transition count 135
Applied a total of 8 rules in 14 ms. Remains 193 /193 variables (removed 0) and now considering 135/137 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 193/193 places, 135/137 transitions.
Incomplete random walk after 1000000 steps, including 13454 resets, run finished after 2211 ms. (steps per millisecond=452 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 1721 resets, run finished after 1026 ms. (steps per millisecond=974 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 5423270 steps, run timeout after 9001 ms. (steps per millisecond=602 ) properties seen :{}
Probabilistic random walk after 5423270 steps, saw 706134 distinct states, run finished after 9002 ms. (steps per millisecond=602 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 135 rows 193 cols
[2023-03-08 17:14:14] [INFO ] Computed 60 place invariants in 10 ms
[2023-03-08 17:14:14] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 17:14:14] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 10 ms returned sat
[2023-03-08 17:14:14] [INFO ] After 76ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-08 17:14:14] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 17:14:14] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 63 ms returned sat
[2023-03-08 17:14:14] [INFO ] After 135ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-08 17:14:14] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 17:14:14] [INFO ] After 47ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-08 17:14:14] [INFO ] After 91ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 19 ms.
[2023-03-08 17:14:14] [INFO ] After 359ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 91 ms.
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 6 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 193/193 places, 135/135 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 193/193 places, 135/135 transitions.
Applied a total of 0 rules in 6 ms. Remains 193 /193 variables (removed 0) and now considering 135/135 (removed 0) transitions.
[2023-03-08 17:14:14] [INFO ] Invariant cache hit.
[2023-03-08 17:14:14] [INFO ] Implicit Places using invariants in 155 ms returned []
[2023-03-08 17:14:14] [INFO ] Invariant cache hit.
[2023-03-08 17:14:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 17:14:15] [INFO ] Implicit Places using invariants and state equation in 283 ms returned []
Implicit Place search using SMT with State Equation took 440 ms to find 0 implicit places.
[2023-03-08 17:14:15] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-08 17:14:15] [INFO ] Invariant cache hit.
[2023-03-08 17:14:15] [INFO ] Dead Transitions using invariants and state equation in 92 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 560 ms. Remains : 193/193 places, 135/135 transitions.
Incomplete random walk after 100000 steps, including 1336 resets, run finished after 270 ms. (steps per millisecond=370 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
[2023-03-08 17:14:15] [INFO ] Invariant cache hit.
[2023-03-08 17:14:15] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 17:14:15] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 10 ms returned sat
[2023-03-08 17:14:15] [INFO ] After 52ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-08 17:14:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 17:14:15] [INFO ] After 15ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :1
[2023-03-08 17:14:15] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 0 ms to minimize.
[2023-03-08 17:14:15] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 0 ms to minimize.
[2023-03-08 17:14:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 103 ms
[2023-03-08 17:14:15] [INFO ] After 128ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-08 17:14:15] [INFO ] After 246ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-08 17:14:15] [INFO ] [Nat]Absence check using 35 positive place invariants in 6 ms returned sat
[2023-03-08 17:14:15] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 36 ms returned sat
[2023-03-08 17:14:16] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-08 17:14:16] [INFO ] After 15ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-08 17:14:16] [INFO ] After 29ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-08 17:14:16] [INFO ] After 225ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Incomplete random walk after 1000000 steps, including 13475 resets, run finished after 2119 ms. (steps per millisecond=471 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 1744 resets, run finished after 981 ms. (steps per millisecond=1019 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 5532934 steps, run timeout after 9001 ms. (steps per millisecond=614 ) properties seen :{}
Probabilistic random walk after 5532934 steps, saw 718191 distinct states, run finished after 9001 ms. (steps per millisecond=614 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-08 17:14:28] [INFO ] Invariant cache hit.
[2023-03-08 17:14:28] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 17:14:28] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 10 ms returned sat
[2023-03-08 17:14:28] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-08 17:14:28] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2023-03-08 17:14:28] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 65 ms returned sat
[2023-03-08 17:14:28] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-08 17:14:28] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 17:14:28] [INFO ] After 35ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-08 17:14:28] [INFO ] After 56ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 14 ms.
[2023-03-08 17:14:28] [INFO ] After 282ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 2474 steps, including 11 resets, run visited all 1 properties in 10 ms. (steps per millisecond=247 )
FORMULA DES-PT-20a-CTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 10 ms.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 7 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 9 ms
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 8 ms
[2023-03-08 17:14:28] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 4 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 7 ms
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 8 ms
[2023-03-08 17:14:28] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 4 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 7 ms
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 8 ms
[2023-03-08 17:14:28] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 4 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 7 ms
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 8 ms
[2023-03-08 17:14:28] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 11 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 11 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 7 ms
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 7 ms
[2023-03-08 17:14:28] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in LTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 4 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 7 ms
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 7 ms
[2023-03-08 17:14:28] [INFO ] Input system was already deterministic with 137 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 194/194 places, 138/138 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 193 transition count 137
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 193 transition count 137
Applied a total of 2 rules in 10 ms. Remains 193 /194 variables (removed 1) and now considering 137/138 (removed 1) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 10 ms. Remains : 193/194 places, 137/138 transitions.
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 6 ms
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 8 ms
[2023-03-08 17:14:28] [INFO ] Input system was already deterministic with 137 transitions.
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 8 ms
[2023-03-08 17:14:28] [INFO ] Flatten gal took : 8 ms
[2023-03-08 17:14:28] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/CTLFireability.sr.xml took 4 ms.
[2023-03-08 17:14:28] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 194 places, 138 transitions and 675 arcs took 2 ms.
Total runtime 39363 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 --ctl=/tmp/513/ctl_0_ --ctl=/tmp/513/ctl_1_ --ctl=/tmp/513/ctl_2_ --ctl=/tmp/513/ctl_3_ --ctl=/tmp/513/ctl_4_ --ctl=/tmp/513/ctl_5_ --ctl=/tmp/513/ctl_6_ --ctl=/tmp/513/ctl_7_ --ctl=/tmp/513/ctl_8_ --ctl=/tmp/513/ctl_9_ --ctl=/tmp/513/ctl_10_ --ctl=/tmp/513/ctl_11_ --ctl=/tmp/513/ctl_12_ --ctl=/tmp/513/ctl_13_ --mu-par --mu-opt
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 16021560 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16099512 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 CTLFireability -timeout 360 -rebuildPNML
mcc2023

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-20a"
export BK_EXAMINATION="CTLFireability"
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-20a, examination is CTLFireability"
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-167814481200426"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-20a.tgz
mv DES-PT-20a execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;