fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r325-tall-167889197300521
Last Updated
May 14, 2023

About the Execution of ITS-Tools for Referendum-PT-1000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16207.680 3600000.00 3660844.00 13615.00 T?TFT?FFFFFFTFTF 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.r325-tall-167889197300521.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 itstools
Input is Referendum-PT-1000, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r325-tall-167889197300521
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 34M
-rw-r--r-- 1 mcc users 589K Feb 26 19:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 2.6M Feb 26 19:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 574K Feb 26 18:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 4.0M Feb 26 18:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 556K Feb 25 16:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.8M Feb 25 16:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 258K Feb 25 16:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.3M Feb 25 16:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.7M Feb 26 20:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 7.6M Feb 26 20:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Feb 26 19:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 11M Feb 26 19:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 72K Feb 25 16:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 176K Feb 25 16:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 1.2M Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Referendum-PT-1000-CTLCardinality-00
FORMULA_NAME Referendum-PT-1000-CTLCardinality-01
FORMULA_NAME Referendum-PT-1000-CTLCardinality-02
FORMULA_NAME Referendum-PT-1000-CTLCardinality-03
FORMULA_NAME Referendum-PT-1000-CTLCardinality-04
FORMULA_NAME Referendum-PT-1000-CTLCardinality-05
FORMULA_NAME Referendum-PT-1000-CTLCardinality-06
FORMULA_NAME Referendum-PT-1000-CTLCardinality-07
FORMULA_NAME Referendum-PT-1000-CTLCardinality-08
FORMULA_NAME Referendum-PT-1000-CTLCardinality-09
FORMULA_NAME Referendum-PT-1000-CTLCardinality-10
FORMULA_NAME Referendum-PT-1000-CTLCardinality-11
FORMULA_NAME Referendum-PT-1000-CTLCardinality-12
FORMULA_NAME Referendum-PT-1000-CTLCardinality-13
FORMULA_NAME Referendum-PT-1000-CTLCardinality-14
FORMULA_NAME Referendum-PT-1000-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679015002865

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=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Referendum-PT-1000
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202303021504
[2023-03-17 01:03:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-17 01:03:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 01:03:24] [INFO ] Load time of PNML (sax parser for PT used): 128 ms
[2023-03-17 01:03:24] [INFO ] Transformed 3001 places.
[2023-03-17 01:03:24] [INFO ] Transformed 2001 transitions.
[2023-03-17 01:03:24] [INFO ] Found NUPN structural information;
[2023-03-17 01:03:24] [INFO ] Parsed PT model containing 3001 places and 2001 transitions and 5001 arcs in 203 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 263 ms.
Initial state reduction rules removed 1 formulas.
FORMULA Referendum-PT-1000-CTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Referendum-PT-1000-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Referendum-PT-1000-CTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Referendum-PT-1000-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 3001 out of 3001 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Applied a total of 0 rules in 32 ms. Remains 3001 /3001 variables (removed 0) and now considering 2001/2001 (removed 0) transitions.
// Phase 1: matrix 2001 rows 3001 cols
[2023-03-17 01:03:25] [INFO ] Computed 1000 place invariants in 34 ms
[2023-03-17 01:03:25] [INFO ] Implicit Places using invariants in 658 ms returned []
[2023-03-17 01:03:25] [INFO ] Invariant cache hit.
[2023-03-17 01:03:26] [INFO ] Implicit Places using invariants and state equation in 444 ms returned []
Implicit Place search using SMT with State Equation took 1175 ms to find 0 implicit places.
[2023-03-17 01:03:26] [INFO ] Invariant cache hit.
[2023-03-17 01:03:27] [INFO ] Dead Transitions using invariants and state equation in 1212 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2421 ms. Remains : 3001/3001 places, 2001/2001 transitions.
Support contains 3001 out of 3001 places after structural reductions.
[2023-03-17 01:03:27] [INFO ] Flatten gal took : 291 ms
[2023-03-17 01:03:27] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA Referendum-PT-1000-CTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-17 01:03:28] [INFO ] Flatten gal took : 194 ms
[2023-03-17 01:03:28] [INFO ] Input system was already deterministic with 2001 transitions.
FORMULA Referendum-PT-1000-CTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Finished random walk after 3908 steps, including 3 resets, run visited all 29 properties in 512 ms. (steps per millisecond=7 )
[2023-03-17 01:03:28] [INFO ] Flatten gal took : 131 ms
[2023-03-17 01:03:29] [INFO ] Flatten gal took : 131 ms
[2023-03-17 01:03:29] [INFO ] Input system was already deterministic with 2001 transitions.
Computed a total of 3001 stabilizing places and 2001 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 3001 transition count 2001
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 2 formulas.
FORMULA Referendum-PT-1000-CTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Starting structural reductions in LTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Applied a total of 0 rules in 12 ms. Remains 3001 /3001 variables (removed 0) and now considering 2001/2001 (removed 0) transitions.
[2023-03-17 01:03:29] [INFO ] Invariant cache hit.
[2023-03-17 01:03:29] [INFO ] Implicit Places using invariants in 427 ms returned []
[2023-03-17 01:03:29] [INFO ] Invariant cache hit.
[2023-03-17 01:03:30] [INFO ] Implicit Places using invariants and state equation in 425 ms returned []
Implicit Place search using SMT with State Equation took 855 ms to find 0 implicit places.
[2023-03-17 01:03:30] [INFO ] Invariant cache hit.
[2023-03-17 01:03:31] [INFO ] Dead Transitions using invariants and state equation in 1162 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2031 ms. Remains : 3001/3001 places, 2001/2001 transitions.
[2023-03-17 01:03:31] [INFO ] Flatten gal took : 114 ms
[2023-03-17 01:03:31] [INFO ] Flatten gal took : 121 ms
[2023-03-17 01:03:31] [INFO ] Input system was already deterministic with 2001 transitions.
[2023-03-17 01:03:31] [INFO ] Flatten gal took : 116 ms
[2023-03-17 01:03:31] [INFO ] Flatten gal took : 115 ms
[2023-03-17 01:03:31] [INFO ] Time to serialize gal into /tmp/CTLCardinality11677671523398430566.gal : 16 ms
[2023-03-17 01:03:31] [INFO ] Time to serialize properties into /tmp/CTLCardinality14360648513402713205.ctl : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality11677671523398430566.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality14360648513402713205.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.32207e+477,13.6859,35456,2,8000,5,25002,6,0,8007,16001,0


Converting to forward existential form...Done !
original formula: AF((AG(((((((((((((voting_1+voting_2)+(voting_3+voting_4))+((voting_5+voting_6)+(voting_7+voting_8)))+(((voting_9+voting_10)+(voting_11+v...43738
=> equivalent forward existential formula: [FwdG(Init,!((!(E(TRUE U !(((((((((((((voting_1+voting_2)+(voting_3+voting_4))+((voting_5+voting_6)+(voting_7+vo...42277
Detected timeout of ITS tools.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:213)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-17 01:04:02] [INFO ] Flatten gal took : 105 ms
[2023-03-17 01:04:02] [INFO ] Applying decomposition
[2023-03-17 01:04:02] [INFO ] Flatten gal took : 104 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph18092291342356349902.txt' '-o' '/tmp/graph18092291342356349902.bin' '-w' '/tmp/graph18092291342356349902.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph18092291342356349902.bin' '-l' '-1' '-v' '-w' '/tmp/graph18092291342356349902.weights' '-q' '0' '-e' '0.001'
[2023-03-17 01:04:05] [INFO ] Decomposing Gal with order
[2023-03-17 01:04:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 01:04:08] [INFO ] Removed a total of 1000 redundant transitions.
[2023-03-17 01:04:08] [INFO ] Flatten gal took : 2415 ms
[2023-03-17 01:04:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 17 ms.
[2023-03-17 01:04:08] [INFO ] Time to serialize gal into /tmp/CTLCardinality16195745898317236517.gal : 20 ms
[2023-03-17 01:04:08] [INFO ] Time to serialize properties into /tmp/CTLCardinality12976625564114068127.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality16195745898317236517.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality12976625564114068127.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.32207e+477,13.499,37900,2,7999,5,25007,6,0,8007,16004,0


Converting to forward existential form...Done !
original formula: AF((AG(((((((((((((gu2.voting_1+gu2.voting_2)+(gu2.voting_3+gu2.voting_4))+((gu2.voting_5+gu2.voting_6)+(gu2.voting_7+gu2.voting_8)))+(((...55738
=> equivalent forward existential formula: [FwdG(Init,!((!(E(TRUE U !(((((((((((((gu2.voting_1+gu2.voting_2)+(gu2.voting_3+gu2.voting_4))+((gu2.voting_5+gu...54853
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:213)
at java.base/java.lang.Thread.run(Thread.java:833)
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Reduce places removed 2000 places and 0 transitions.
Ensure Unique test removed 1000 transitions
Reduce isomorphic transitions removed 1000 transitions.
Iterating post reduction 0 with 3000 rules applied. Total rules applied 3000 place count 1001 transition count 1001
Discarding 999 places :
Symmetric choice reduction at 1 with 999 rule applications. Total rules 3999 place count 2 transition count 2
Iterating global reduction 1 with 999 rules applied. Total rules applied 4998 place count 2 transition count 2
Applied a total of 4998 rules in 52 ms. Remains 2 /3001 variables (removed 2999) and now considering 2/2001 (removed 1999) transitions.
// Phase 1: matrix 2 rows 2 cols
[2023-03-17 01:04:38] [INFO ] Computed 0 place invariants in 1 ms
[2023-03-17 01:04:38] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-17 01:04:38] [INFO ] Invariant cache hit.
[2023-03-17 01:04:38] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2023-03-17 01:04:38] [INFO ] Invariant cache hit.
[2023-03-17 01:04:38] [INFO ] Dead Transitions using invariants and state equation in 14 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 2/3001 places, 2/2001 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 107 ms. Remains : 2/3001 places, 2/2001 transitions.
[2023-03-17 01:04:38] [INFO ] Flatten gal took : 2 ms
[2023-03-17 01:04:38] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:04:38] [INFO ] Input system was already deterministic with 2 transitions.
[2023-03-17 01:04:38] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:04:38] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:04:38] [INFO ] Time to serialize gal into /tmp/CTLCardinality9074468692561418304.gal : 1 ms
[2023-03-17 01:04:38] [INFO ] Time to serialize properties into /tmp/CTLCardinality11000235039098333235.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality9074468692561418304.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality11000235039098333235.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1002,0.735909,16268,2,4,5,3010,6,0,11,4004,0


Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,0.736051,16268,1,0,6,3010,7,1,15,4004,1
FORMULA Referendum-PT-1000-CTLCardinality-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Applied a total of 0 rules in 124 ms. Remains 3001 /3001 variables (removed 0) and now considering 2001/2001 (removed 0) transitions.
// Phase 1: matrix 2001 rows 3001 cols
[2023-03-17 01:04:39] [INFO ] Computed 1000 place invariants in 9 ms
[2023-03-17 01:04:40] [INFO ] Implicit Places using invariants in 439 ms returned []
[2023-03-17 01:04:40] [INFO ] Invariant cache hit.
[2023-03-17 01:04:40] [INFO ] Implicit Places using invariants and state equation in 420 ms returned []
Implicit Place search using SMT with State Equation took 862 ms to find 0 implicit places.
[2023-03-17 01:04:40] [INFO ] Invariant cache hit.
[2023-03-17 01:04:41] [INFO ] Dead Transitions using invariants and state equation in 1159 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2145 ms. Remains : 3001/3001 places, 2001/2001 transitions.
[2023-03-17 01:04:41] [INFO ] Flatten gal took : 115 ms
[2023-03-17 01:04:41] [INFO ] Flatten gal took : 110 ms
[2023-03-17 01:04:42] [INFO ] Input system was already deterministic with 2001 transitions.
[2023-03-17 01:04:42] [INFO ] Flatten gal took : 107 ms
[2023-03-17 01:04:42] [INFO ] Flatten gal took : 108 ms
[2023-03-17 01:04:42] [INFO ] Time to serialize gal into /tmp/CTLCardinality17135933916147707967.gal : 8 ms
[2023-03-17 01:04:42] [INFO ] Time to serialize properties into /tmp/CTLCardinality859369087959123464.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality17135933916147707967.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality859369087959123464.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.32207e+477,13.5779,35568,2,8000,5,25002,6,0,8007,16001,0


Converting to forward existential form...Done !
original formula: (AG((((((((((((voted_no_1+voted_no_2)+(voted_no_3+voted_no_4))+((voted_no_5+voted_no_6)+(voted_no_7+voted_no_8)))+(((voted_no_9+voted_no_...46739
=> equivalent forward existential formula: [(FwdU((Init * !(!(E(TRUE U !((((((((((((voted_no_1+voted_no_2)+(voted_no_3+voted_no_4))+((voted_no_5+voted_no_6...43372
Detected timeout of ITS tools.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:213)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-17 01:05:12] [INFO ] Flatten gal took : 106 ms
[2023-03-17 01:05:12] [INFO ] Applying decomposition
[2023-03-17 01:05:12] [INFO ] Flatten gal took : 106 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph6176619884201947409.txt' '-o' '/tmp/graph6176619884201947409.bin' '-w' '/tmp/graph6176619884201947409.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph6176619884201947409.bin' '-l' '-1' '-v' '-w' '/tmp/graph6176619884201947409.weights' '-q' '0' '-e' '0.001'
[2023-03-17 01:05:15] [INFO ] Decomposing Gal with order
[2023-03-17 01:05:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 01:05:16] [INFO ] Flatten gal took : 1211 ms
[2023-03-17 01:05:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 4 ms.
[2023-03-17 01:05:17] [INFO ] Time to serialize gal into /tmp/CTLCardinality17222972210874443801.gal : 10 ms
[2023-03-17 01:05:17] [INFO ] Time to serialize properties into /tmp/CTLCardinality10649026855065696664.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality17222972210874443801.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality10649026855065696664.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.32207e+477,13.967,44480,2,7999,5,25004,6,0,8007,16001,0


Converting to forward existential form...Done !
original formula: (AG((((((((((((gu0.voted_no_1+gu0.voted_no_2)+(gu0.voted_no_3+gu0.voted_no_4))+((gu0.voted_no_5+gu0.voted_no_6)+(gu0.voted_no_7+gu0.voted...58743
=> equivalent forward existential formula: [(FwdU((Init * !(!(E(TRUE U !((((((((((((gu0.voted_no_1+gu0.voted_no_2)+(gu0.voted_no_3+gu0.voted_no_4))+((gu0.v...55944
Detected timeout of ITS tools.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:213)
at java.base/java.lang.Thread.run(Thread.java:833)
Starting structural reductions in SI_CTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Graph (complete) has 3000 edges and 3001 vertex of which 2001 are kept as prefixes of interest. Removing 1000 places using SCC suffix rule.10 ms
Discarding 1000 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 147 ms. Remains 2000 /3001 variables (removed 1001) and now considering 2000/2001 (removed 1) transitions.
// Phase 1: matrix 2000 rows 2000 cols
[2023-03-17 01:05:47] [INFO ] Computed 0 place invariants in 4 ms
[2023-03-17 01:05:47] [INFO ] Implicit Places using invariants in 227 ms returned []
[2023-03-17 01:05:47] [INFO ] Invariant cache hit.
[2023-03-17 01:05:47] [INFO ] Implicit Places using invariants and state equation in 461 ms returned []
Implicit Place search using SMT with State Equation took 692 ms to find 0 implicit places.
[2023-03-17 01:05:48] [INFO ] Redundant transitions in 174 ms returned []
[2023-03-17 01:05:48] [INFO ] Invariant cache hit.
[2023-03-17 01:05:48] [INFO ] Dead Transitions using invariants and state equation in 855 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 2000/3001 places, 2000/2001 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1876 ms. Remains : 2000/3001 places, 2000/2001 transitions.
[2023-03-17 01:05:49] [INFO ] Flatten gal took : 30 ms
[2023-03-17 01:05:49] [INFO ] Flatten gal took : 23 ms
[2023-03-17 01:05:49] [INFO ] Input system was already deterministic with 2000 transitions.
Finished random walk after 87 steps, including 0 resets, run visited all 1 properties in 15 ms. (steps per millisecond=5 )
FORMULA Referendum-PT-1000-CTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2023-03-17 01:05:49] [INFO ] Flatten gal took : 29 ms
[2023-03-17 01:05:49] [INFO ] Flatten gal took : 36 ms
[2023-03-17 01:05:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6659855288266892534.gal : 5 ms
[2023-03-17 01:05:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1090350118155782363.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6659855288266892534.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1090350118155782363.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Starting structural reductions in LTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Reduce places removed 1997 places and 0 transitions.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Ensure Unique test removed 997 transitions
Reduce isomorphic transitions removed 997 transitions.
Iterating post reduction 0 with 2994 rules applied. Total rules applied 2994 place count 1004 transition count 1004
Discarding 995 places :
Symmetric choice reduction at 1 with 995 rule applications. Total rules 3989 place count 9 transition count 9
Iterating global reduction 1 with 995 rules applied. Total rules applied 4984 place count 9 transition count 9
Applied a total of 4984 rules in 20 ms. Remains 9 /3001 variables (removed 2992) and now considering 9/2001 (removed 1992) transitions.
// Phase 1: matrix 9 rows 9 cols
[2023-03-17 01:05:49] [INFO ] Computed 0 place invariants in 1 ms
[2023-03-17 01:05:49] [INFO ] Implicit Places using invariants in 14 ms returned []
[2023-03-17 01:05:49] [INFO ] Invariant cache hit.
[2023-03-17 01:05:49] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 31 ms to find 0 implicit places.
[2023-03-17 01:05:49] [INFO ] Invariant cache hit.
[2023-03-17 01:05:49] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 9/3001 places, 9/2001 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 71 ms. Remains : 9/3001 places, 9/2001 transitions.
[2023-03-17 01:05:49] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:05:49] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:05:49] [INFO ] Input system was already deterministic with 9 transitions.
[2023-03-17 01:05:49] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:05:49] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:05:49] [INFO ] Time to serialize gal into /tmp/CTLCardinality5111623459004989364.gal : 0 ms
[2023-03-17 01:05:49] [INFO ] Time to serialize properties into /tmp/CTLCardinality2107640229693735690.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality5111623459004989364.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality2107640229693735690.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Loading property file /tmp/ReachabilityCardinality1090350118155782363.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,53839,0.78594,16056,2,19,5,4053,6,0,33,4037,0


Converting to forward existential form...Done !
original formula: EG(!(A(AX(A((voted_yes_738==0) U (voting_154==1))) U !(AX(AF(((voted_yes_180==0)||(voted_no_719==1))))))))
=> equivalent forward existential formula: [FwdG(Init,!(!((E(!(!(!(EX(!(!(EG(!(((voted_yes_180==0)||(voted_no_719==1)))))))))) U (!(!(EX(!(!((E(!((voting_1...397
Reverse transition relation is NOT exact ! Due to transitions t1, t3, t4, t5, t7, Intersection with reachable at each step enabled. (destroyed/reverse/int...177
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,81,1.352,21280,2,2005,5,6031,6,0,5003,2029,0
Total reachable state count : 81

ITS tools runner thread asked to quit. Dying gracefully.
(forward)formula 0,0,13.4142,210164,1,0,17036,359685,55,10027,2199,595103,18044
FORMULA Referendum-PT-1000-CTLCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Reduce places removed 1996 places and 0 transitions.
Ensure Unique test removed 996 transitions
Reduce isomorphic transitions removed 996 transitions.
Iterating post reduction 0 with 2992 rules applied. Total rules applied 2992 place count 1005 transition count 1005
Discarding 992 places :
Symmetric choice reduction at 1 with 992 rule applications. Total rules 3984 place count 13 transition count 13
Iterating global reduction 1 with 992 rules applied. Total rules applied 4976 place count 13 transition count 13
Applied a total of 4976 rules in 17 ms. Remains 13 /3001 variables (removed 2988) and now considering 13/2001 (removed 1988) transitions.
// Phase 1: matrix 13 rows 13 cols
[2023-03-17 01:06:02] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-17 01:06:02] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-17 01:06:02] [INFO ] Invariant cache hit.
[2023-03-17 01:06:02] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2023-03-17 01:06:02] [INFO ] Invariant cache hit.
[2023-03-17 01:06:02] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 13/3001 places, 13/2001 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 83 ms. Remains : 13/3001 places, 13/2001 transitions.
[2023-03-17 01:06:02] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:06:02] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:02] [INFO ] Input system was already deterministic with 13 transitions.
[2023-03-17 01:06:02] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:02] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:06:02] [INFO ] Time to serialize gal into /tmp/CTLCardinality10964649897337011050.gal : 1 ms
[2023-03-17 01:06:02] [INFO ] Time to serialize properties into /tmp/CTLCardinality13151549435706316444.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality10964649897337011050.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13151549435706316444.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,644113,0.77728,16604,2,28,5,4074,6,0,47,4052,0


Converting to forward existential form...Done !
original formula: A(AF(((voted_no_220==0)||(voted_yes_632==1))) U (!(EX(AF((voted_no_528==1)))) * E(AF((AX((voting_799==1)) + ((voted_no_941==1)&&(voting_9...189
=> equivalent forward existential formula: [((Init * !(EG(!((!(EX(!(EG(!((voted_no_528==1)))))) * E(!(EG(!((!(EX(!((voting_799==1)))) + ((voted_no_941==1)&...570
Reverse transition relation is NOT exact ! Due to transitions t3, t5, t6, t7, t8, t10, t11, t12, Intersection with reachable at each step enabled. (destro...193
(forward)formula 0,0,9.30716,156360,1,0,9043,277985,65,5022,2300,433660,12032
FORMULA Referendum-PT-1000-CTLCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Reduce places removed 1996 places and 0 transitions.
Ensure Unique test removed 996 transitions
Reduce isomorphic transitions removed 996 transitions.
Iterating post reduction 0 with 2992 rules applied. Total rules applied 2992 place count 1005 transition count 1005
Discarding 992 places :
Symmetric choice reduction at 1 with 992 rule applications. Total rules 3984 place count 13 transition count 13
Iterating global reduction 1 with 992 rules applied. Total rules applied 4976 place count 13 transition count 13
Applied a total of 4976 rules in 24 ms. Remains 13 /3001 variables (removed 2988) and now considering 13/2001 (removed 1988) transitions.
// Phase 1: matrix 13 rows 13 cols
[2023-03-17 01:06:12] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-17 01:06:12] [INFO ] Implicit Places using invariants in 16 ms returned []
[2023-03-17 01:06:12] [INFO ] Invariant cache hit.
[2023-03-17 01:06:12] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2023-03-17 01:06:12] [INFO ] Invariant cache hit.
[2023-03-17 01:06:12] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 13/3001 places, 13/2001 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 13/3001 places, 13/2001 transitions.
[2023-03-17 01:06:12] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:06:12] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:12] [INFO ] Input system was already deterministic with 13 transitions.
[2023-03-17 01:06:12] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:12] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:12] [INFO ] Time to serialize gal into /tmp/CTLCardinality1857305893907691694.gal : 0 ms
[2023-03-17 01:06:12] [INFO ] Time to serialize properties into /tmp/CTLCardinality12693471700613420157.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1857305893907691694.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality12693471700613420157.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,644113,0.784834,16084,2,28,5,4074,6,0,47,4052,0


Converting to forward existential form...Done !
original formula: EG(((AX(((voted_yes_190==0)&&(voting_795==1))) + EG((voting_621==0))) + (((voted_no_768==0)&&(voting_187==1))&&((voted_yes_848==0)||(vote...171
=> equivalent forward existential formula: [FwdG(Init,((!(EX(!(((voted_yes_190==0)&&(voting_795==1))))) + EG((voting_621==0))) + (((voted_no_768==0)&&(voti...220
Reverse transition relation is NOT exact ! Due to transitions t1, t4, t5, t6, t8, t9, t10, t11, Intersection with reachable at each step enabled. (destroy...192
(forward)formula 0,1,9.24273,147820,1,0,9044,284995,53,5026,2290,456774,9044
FORMULA Referendum-PT-1000-CTLCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Reduce places removed 1993 places and 0 transitions.
Ensure Unique test removed 993 transitions
Reduce isomorphic transitions removed 993 transitions.
Iterating post reduction 0 with 2986 rules applied. Total rules applied 2986 place count 1008 transition count 1008
Discarding 991 places :
Symmetric choice reduction at 1 with 991 rule applications. Total rules 3977 place count 17 transition count 17
Iterating global reduction 1 with 991 rules applied. Total rules applied 4968 place count 17 transition count 17
Applied a total of 4968 rules in 20 ms. Remains 17 /3001 variables (removed 2984) and now considering 17/2001 (removed 1984) transitions.
// Phase 1: matrix 17 rows 17 cols
[2023-03-17 01:06:21] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-17 01:06:21] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-17 01:06:21] [INFO ] Invariant cache hit.
[2023-03-17 01:06:21] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2023-03-17 01:06:21] [INFO ] Invariant cache hit.
[2023-03-17 01:06:21] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 17/3001 places, 17/2001 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 17/3001 places, 17/2001 transitions.
[2023-03-17 01:06:21] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:06:21] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:06:21] [INFO ] Input system was already deterministic with 17 transitions.
[2023-03-17 01:06:21] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:21] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:21] [INFO ] Time to serialize gal into /tmp/CTLCardinality1810694634461407391.gal : 0 ms
[2023-03-17 01:06:21] [INFO ] Time to serialize properties into /tmp/CTLCardinality7507806951154304044.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1810694634461407391.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality7507806951154304044.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.34338e+06,0.736822,16632,2,41,5,3113,6,0,57,4070,0


Converting to forward existential form...Done !
original formula: EG(((EG(AX((voted_no_712==0))) + (((voted_yes_91==0)&&(voting_914==1)) * A((voted_yes_522==1) U (voted_yes_167==1)))) + ((voted_no_934==0...200
=> equivalent forward existential formula: [FwdG(Init,((EG(!(EX(!((voted_no_712==0))))) + (((voted_yes_91==0)&&(voting_914==1)) * !((E(!((voted_yes_167==1)...314
Reverse transition relation is NOT exact ! Due to transitions t1, t2, t3, t4, t8, t13, t14, t15, t16, Intersection with reachable at each step enabled. (d...198
(forward)formula 0,1,7.55893,169544,1,0,13069,737030,70,9042,2359,1.3335e+06,14073
FORMULA Referendum-PT-1000-CTLCardinality-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 3001/3001 places, 2001/2001 transitions.
Graph (complete) has 3000 edges and 3001 vertex of which 8 are kept as prefixes of interest. Removing 2993 places using SCC suffix rule.7 ms
Discarding 2993 places :
Also discarding 1992 output transitions
Drop transitions removed 1992 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 8
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 8 transition count 8
Applied a total of 3 rules in 18 ms. Remains 8 /3001 variables (removed 2993) and now considering 8/2001 (removed 1993) transitions.
// Phase 1: matrix 8 rows 8 cols
[2023-03-17 01:06:29] [INFO ] Computed 0 place invariants in 1 ms
[2023-03-17 01:06:29] [INFO ] Implicit Places using invariants in 14 ms returned []
[2023-03-17 01:06:29] [INFO ] Invariant cache hit.
[2023-03-17 01:06:29] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-17 01:06:29] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 01:06:29] [INFO ] Invariant cache hit.
[2023-03-17 01:06:29] [INFO ] Dead Transitions using invariants and state equation in 16 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 8/3001 places, 8/2001 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 80 ms. Remains : 8/3001 places, 8/2001 transitions.
[2023-03-17 01:06:29] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:06:29] [INFO ] Flatten gal took : 1 ms
[2023-03-17 01:06:29] [INFO ] Input system was already deterministic with 8 transitions.
[2023-03-17 01:06:29] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:29] [INFO ] Flatten gal took : 0 ms
[2023-03-17 01:06:29] [INFO ] Time to serialize gal into /tmp/CTLCardinality1287113972204295726.gal : 40 ms
[2023-03-17 01:06:29] [INFO ] Time to serialize properties into /tmp/CTLCardinality889419211180409841.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1287113972204295726.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality889419211180409841.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...282
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,55,0.002285,3320,2,17,5,75,6,0,30,56,0


Converting to forward existential form...Done !
original formula: EF((EF((voted_yes_800==1)) * !(E((voted_yes_254!=1) U AF(((voting_637==0)||(voted_no_520==1)))))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * E(TRUE U (voted_yes_800==1))) * !(E((voted_yes_254!=1) U !(EG(!(((voting_637==0)||(voted_no...180
Reverse transition relation is NOT exact ! Due to transitions t2, t4, t5, t7, Intersection with reachable at each step enabled. (destroyed/reverse/interse...173
(forward)formula 0,0,0.00436,3636,1,0,39,367,42,14,185,380,34
FORMULA Referendum-PT-1000-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

[2023-03-17 01:06:29] [INFO ] Flatten gal took : 118 ms
[2023-03-17 01:06:29] [INFO ] Flatten gal took : 107 ms
[2023-03-17 01:06:29] [INFO ] Applying decomposition
[2023-03-17 01:06:29] [INFO ] Flatten gal took : 107 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph5999680700240225815.txt' '-o' '/tmp/graph5999680700240225815.bin' '-w' '/tmp/graph5999680700240225815.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph5999680700240225815.bin' '-l' '-1' '-v' '-w' '/tmp/graph5999680700240225815.weights' '-q' '0' '-e' '0.001'
[2023-03-17 01:06:35] [INFO ] Decomposing Gal with order
[2023-03-17 01:06:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 01:06:37] [INFO ] Removed a total of 1000 redundant transitions.
[2023-03-17 01:06:37] [INFO ] Flatten gal took : 2111 ms
[2023-03-17 01:06:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 8 ms.
[2023-03-17 01:06:37] [INFO ] Time to serialize gal into /tmp/CTLCardinality1599070802663242875.gal : 10 ms
[2023-03-17 01:06:37] [INFO ] Time to serialize properties into /tmp/CTLCardinality7187125485416568364.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1599070802663242875.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality7187125485416568364.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 2 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.32207e+477,13.436,37900,2,8000,5,25005,6,0,8007,16001,0


Converting to forward existential form...Done !
original formula: AF((AG(((((((((((((gu2.voting_1+gu2.voting_2)+(gu2.voting_3+gu2.voting_4))+((gu2.voting_5+gu2.voting_6)+(gu2.voting_7+gu2.voting_8)))+(((...55738
Detected timeout of ITS tools.
=> equivalent forward existential formula: [FwdG(Init,!((!(E(TRUE U !(((((((((((((gu2.voting_1+gu2.voting_2)+(gu2.voting_3+gu2.voting_4))+((gu2.voting_5+gu...54853
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:213)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-17 01:27:40] [INFO ] Applying decomposition
[2023-03-17 01:27:40] [INFO ] Flatten gal took : 302 ms
[2023-03-17 01:27:40] [INFO ] Decomposing Gal with order
[2023-03-17 01:27:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 01:27:41] [INFO ] Flatten gal took : 90 ms
[2023-03-17 01:27:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 424 ms.
[2023-03-17 01:27:41] [INFO ] Time to serialize gal into /tmp/CTLCardinality7545917882985555503.gal : 14 ms
[2023-03-17 01:27:41] [INFO ] Time to serialize properties into /tmp/CTLCardinality17765199462647178935.ctl : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality7545917882985555503.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality17765199462647178935.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 2 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.32207e+477,12.9353,37624,2,8000,5,25002,6,0,8007,16001,0


Converting to forward existential form...Done !
original formula: AF((AG(((((((((((((gu1000.voting_1+gu999.voting_2)+(gu998.voting_3+gu997.voting_4))+((gu996.voting_5+gu995.voting_6)+(gu994.voting_7+gu99...61417
Detected timeout of ITS tools.
=> equivalent forward existential formula: [FwdG(Init,!((!(E(TRUE U !(((((((((((((gu1000.voting_1+gu999.voting_2)+(gu998.voting_3+gu997.voting_4))+((gu996....61462
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:213)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-17 01:48:43] [INFO ] Flatten gal took : 350 ms
[2023-03-17 01:48:44] [INFO ] Input system was already deterministic with 2001 transitions.
[2023-03-17 01:48:44] [INFO ] Transformed 3001 places.
[2023-03-17 01:48:44] [INFO ] Transformed 2001 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2023-03-17 01:48:44] [INFO ] Time to serialize gal into /tmp/CTLCardinality10167750563794786954.gal : 8 ms
[2023-03-17 01:48:44] [INFO ] Time to serialize properties into /tmp/CTLCardinality13506003137958037417.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality10167750563794786954.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13506003137958037417.ctl' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...330
Successfully loaded order from file /home/mcc/execution/model.ord
No direction supplied, using forward translation only.
Parsed 2 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.32207e+477,13.5106,43648,2,7998,5,24006,6,0,8007,15004,0


Converting to forward existential form...Done !
original formula: AF((AG(((((((((((((voting_1+voting_2)+(voting_3+voting_4))+((voting_5+voting_6)+(voting_7+voting_8)))+(((voting_9+voting_10)+(voting_11+v...43738
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 7296136 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16153348 kB

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Referendum-PT-1000"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is Referendum-PT-1000, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r325-tall-167889197300521"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Referendum-PT-1000.tgz
mv Referendum-PT-1000 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;