fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r325-tall-167889197700817
Last Updated
May 14, 2023

About the Execution of ITS-Tools for RingSingleMessageInMbox-PT-d0m080

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
5746.920 870844.00 885044.00 2074.40 FTFFFTFFTFFTFFFT 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-167889197700817.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 RingSingleMessageInMbox-PT-d0m080, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r325-tall-167889197700817
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.7K Feb 26 05:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 05:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 26 05:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 26 05:11 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 05:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Feb 26 05:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 26 05:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Feb 26 05:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 64K 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 RingSingleMessageInMbox-PT-d0m080-CTLCardinality-00
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-01
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-02
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-03
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-04
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-05
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-06
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-07
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-08
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-09
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-10
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-11
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-12
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-13
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-14
FORMULA_NAME RingSingleMessageInMbox-PT-d0m080-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679037395837

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=RingSingleMessageInMbox-PT-d0m080
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202303021504
[2023-03-17 07:16:37] [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 07:16:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 07:16:37] [INFO ] Load time of PNML (sax parser for PT used): 40 ms
[2023-03-17 07:16:37] [INFO ] Transformed 385 places.
[2023-03-17 07:16:37] [INFO ] Transformed 59 transitions.
[2023-03-17 07:16:37] [INFO ] Parsed PT model containing 385 places and 59 transitions and 236 arcs in 97 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 12 ms.
Deduced a syphon composed of 329 places in 1 ms
Reduce places removed 329 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 7 out of 56 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 56/56 places, 59/59 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 54 transition count 59
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 9 place count 47 transition count 50
Iterating global reduction 1 with 7 rules applied. Total rules applied 16 place count 47 transition count 50
Applied a total of 16 rules in 15 ms. Remains 47 /56 variables (removed 9) and now considering 50/59 (removed 9) transitions.
// Phase 1: matrix 50 rows 47 cols
[2023-03-17 07:16:37] [INFO ] Computed 3 place invariants in 12 ms
[2023-03-17 07:16:37] [INFO ] Implicit Places using invariants in 189 ms returned []
[2023-03-17 07:16:37] [INFO ] Invariant cache hit.
[2023-03-17 07:16:37] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:16:37] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 303 ms to find 0 implicit places.
[2023-03-17 07:16:37] [INFO ] Invariant cache hit.
[2023-03-17 07:16:37] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 47/56 places, 50/59 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 358 ms. Remains : 47/56 places, 50/59 transitions.
Support contains 7 out of 47 places after structural reductions.
[2023-03-17 07:16:37] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2023-03-17 07:16:38] [INFO ] Flatten gal took : 98 ms
[2023-03-17 07:16:38] [INFO ] Initial state reduction rules for CTL removed 3 formulas.
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-17 07:16:38] [INFO ] Flatten gal took : 9 ms
[2023-03-17 07:16:38] [INFO ] Input system was already deterministic with 50 transitions.
Support contains 4 out of 47 places (down from 7) after GAL structural reductions.
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2139 resets, run finished after 256 ms. (steps per millisecond=39 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 862 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10000 steps, including 971 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 929 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-17 07:16:38] [INFO ] Invariant cache hit.
[2023-03-17 07:16:38] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-17 07:16:38] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-17 07:16:38] [INFO ] After 61ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-17 07:16:38] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-17 07:16:38] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-17 07:16:38] [INFO ] After 16ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-17 07:16:38] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:16:38] [INFO ] After 6ms SMT Verify possible using 21 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-17 07:16:38] [INFO ] After 12ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-17 07:16:38] [INFO ] After 72ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 1 out of 47 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47/47 places, 50/50 transitions.
Graph (complete) has 126 edges and 47 vertex of which 46 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 46 transition count 47
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 45 transition count 46
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 45 transition count 46
Applied a total of 6 rules in 9 ms. Remains 45 /47 variables (removed 2) and now considering 46/50 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 45/47 places, 46/50 transitions.
Incomplete random walk after 10000 steps, including 2217 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 889 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 3911154 steps, run timeout after 3001 ms. (steps per millisecond=1303 ) properties seen :{}
Probabilistic random walk after 3911154 steps, saw 1489989 distinct states, run finished after 3002 ms. (steps per millisecond=1302 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 46 rows 45 cols
[2023-03-17 07:16:41] [INFO ] Computed 4 place invariants in 8 ms
[2023-03-17 07:16:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 07:16:41] [INFO ] [Real]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 07:16:41] [INFO ] After 39ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 07:16:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-17 07:16:41] [INFO ] [Nat]Absence check using 1 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 07:16:41] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 07:16:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 07:16:41] [INFO ] After 4ms SMT Verify possible using 18 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-17 07:16:41] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-17 07:16:41] [INFO ] After 57ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 3 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 45/45 places, 46/46 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 46/46 transitions.
Applied a total of 0 rules in 2 ms. Remains 45 /45 variables (removed 0) and now considering 46/46 (removed 0) transitions.
[2023-03-17 07:16:41] [INFO ] Invariant cache hit.
[2023-03-17 07:16:41] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-17 07:16:41] [INFO ] Invariant cache hit.
[2023-03-17 07:16:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-17 07:16:41] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
[2023-03-17 07:16:41] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 07:16:41] [INFO ] Invariant cache hit.
[2023-03-17 07:16:41] [INFO ] Dead Transitions using invariants and state equation in 62 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 176 ms. Remains : 45/45 places, 46/46 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 45 transition count 44
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 7 Pre rules applied. Total rules applied 2 place count 45 transition count 37
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 14 rules applied. Total rules applied 16 place count 38 transition count 37
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 24 place count 34 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 33 transition count 33
Applied a total of 26 rules in 9 ms. Remains 33 /45 variables (removed 12) and now considering 33/46 (removed 13) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 33 cols
[2023-03-17 07:16:41] [INFO ] Computed 6 place invariants in 3 ms
[2023-03-17 07:16:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-17 07:16:41] [INFO ] [Real]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 07:16:41] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 07:16:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-17 07:16:41] [INFO ] [Nat]Absence check using 3 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-17 07:16:42] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 07:16:42] [INFO ] Deduced a trap composed of 9 places in 22 ms of which 1 ms to minimize.
[2023-03-17 07:16:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 27 ms
[2023-03-17 07:16:42] [INFO ] After 40ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-17 07:16:42] [INFO ] After 70ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Successfully simplified 1 atomic propositions for a total of 4 simplifications.
[2023-03-17 07:16:42] [INFO ] Flatten gal took : 5 ms
[2023-03-17 07:16:42] [INFO ] Flatten gal took : 4 ms
[2023-03-17 07:16:42] [INFO ] Input system was already deterministic with 50 transitions.
Computed a total of 4 stabilizing places and 8 stable transitions
Graph (complete) has 145 edges and 47 vertex of which 46 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Starting structural reductions in LTL mode, iteration 0 : 47/47 places, 50/50 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 49
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 49
Applied a total of 2 rules in 3 ms. Remains 46 /47 variables (removed 1) and now considering 49/50 (removed 1) transitions.
// Phase 1: matrix 49 rows 46 cols
[2023-03-17 07:16:42] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-17 07:16:42] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-17 07:16:42] [INFO ] Invariant cache hit.
[2023-03-17 07:16:42] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:16:42] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
[2023-03-17 07:16:42] [INFO ] Invariant cache hit.
[2023-03-17 07:16:42] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/47 places, 49/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 154 ms. Remains : 46/47 places, 49/50 transitions.
[2023-03-17 07:16:42] [INFO ] Flatten gal took : 4 ms
[2023-03-17 07:16:42] [INFO ] Flatten gal took : 4 ms
[2023-03-17 07:16:42] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-17 07:16:42] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:16:42] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:16:42] [INFO ] Time to serialize gal into /tmp/CTLCardinality4451032050517702281.gal : 1 ms
[2023-03-17 07:16:42] [INFO ] Time to serialize properties into /tmp/CTLCardinality6498772355818871615.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/CTLCardinality4451032050517702281.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality6498772355818871615.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,2.14659e+07,3.42552,85716,2,19818,5,364913,6,0,233,325731,0


Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,3.42692,85716,1,0,6,364913,7,1,314,325731,1
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 47/47 places, 50/50 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 49
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 49
Applied a total of 2 rules in 6 ms. Remains 46 /47 variables (removed 1) and now considering 49/50 (removed 1) transitions.
[2023-03-17 07:16:45] [INFO ] Invariant cache hit.
[2023-03-17 07:16:45] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-17 07:16:45] [INFO ] Invariant cache hit.
[2023-03-17 07:16:45] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:16:45] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
[2023-03-17 07:16:45] [INFO ] Invariant cache hit.
[2023-03-17 07:16:45] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/47 places, 49/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 154 ms. Remains : 46/47 places, 49/50 transitions.
[2023-03-17 07:16:45] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:16:45] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:16:45] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-17 07:16:45] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:16:45] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:16:45] [INFO ] Time to serialize gal into /tmp/CTLCardinality10854522870883186086.gal : 1 ms
[2023-03-17 07:16:45] [INFO ] Time to serialize properties into /tmp/CTLCardinality4864231238231186640.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/CTLCardinality10854522870883186086.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality4864231238231186640.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,2.14659e+07,3.43001,86008,2,19818,5,364913,6,0,233,325731,0


Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,3.43152,86008,1,0,6,364913,7,1,314,325731,1
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-03 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 : 47/47 places, 50/50 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 49
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 49
Applied a total of 2 rules in 3 ms. Remains 46 /47 variables (removed 1) and now considering 49/50 (removed 1) transitions.
[2023-03-17 07:16:49] [INFO ] Invariant cache hit.
[2023-03-17 07:16:49] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-17 07:16:49] [INFO ] Invariant cache hit.
[2023-03-17 07:16:49] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:16:49] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2023-03-17 07:16:49] [INFO ] Invariant cache hit.
[2023-03-17 07:16:49] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/47 places, 49/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 127 ms. Remains : 46/47 places, 49/50 transitions.
[2023-03-17 07:16:49] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:16:49] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:16:49] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-17 07:16:49] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:16:49] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:16:49] [INFO ] Time to serialize gal into /tmp/CTLCardinality4963005803682194763.gal : 1 ms
[2023-03-17 07:16:49] [INFO ] Time to serialize properties into /tmp/CTLCardinality6567891973869002859.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/CTLCardinality4963005803682194763.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality6567891973869002859.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,2.14659e+07,3.38233,85340,2,19818,5,364913,6,0,233,325731,0


Converting to forward existential form...Done !
original formula: EX(AF(EG(AG((l287<=0)))))
=> equivalent forward existential formula: [(EY(Init) * !(EG(!(EG(!(E(TRUE U !((l287<=0)))))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t35, t36, t37, t38, t39, t40, t41, t42, t44, t47, Intersection with reachab...227
Detected timeout of ITS tools.
[2023-03-17 07:17:19] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:17:19] [INFO ] Applying decomposition
[2023-03-17 07:17:19] [INFO ] Flatten gal took : 3 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/graph5038752395814043658.txt' '-o' '/tmp/graph5038752395814043658.bin' '-w' '/tmp/graph5038752395814043658.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph5038752395814043658.bin' '-l' '-1' '-v' '-w' '/tmp/graph5038752395814043658.weights' '-q' '0' '-e' '0.001'
[2023-03-17 07:17:19] [INFO ] Decomposing Gal with order
[2023-03-17 07:17:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 07:17:19] [INFO ] Removed a total of 44 redundant transitions.
[2023-03-17 07:17:19] [INFO ] Flatten gal took : 26 ms
[2023-03-17 07:17:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 17 labels/synchronizations in 4 ms.
[2023-03-17 07:17:19] [INFO ] Time to serialize gal into /tmp/CTLCardinality11886974486446439092.gal : 1 ms
[2023-03-17 07:17:19] [INFO ] Time to serialize properties into /tmp/CTLCardinality12768497652943734998.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/CTLCardinality11886974486446439092.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality12768497652943734998.ctl'

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 -...264
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,2.14659e+07,20.4723,181236,1823,1582,44816,165937,170,401501,41,869489,0


Converting to forward existential form...Done !
original formula: EX(AF(EG(AG((i5.u6.l287<=0)))))
=> equivalent forward existential formula: [(EY(Init) * !(EG(!(EG(!(E(TRUE U !((i5.u6.l287<=0)))))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t12, t35, t38, t39, t40, t41, t42, t44, i0.t47, i0.t37, i0.u0.t1, i0.u0.t36, Interse...245
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 47/47 places, 50/50 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 49
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 49
Applied a total of 2 rules in 3 ms. Remains 46 /47 variables (removed 1) and now considering 49/50 (removed 1) transitions.
[2023-03-17 07:17:49] [INFO ] Invariant cache hit.
[2023-03-17 07:17:49] [INFO ] Implicit Places using invariants in 42 ms returned []
[2023-03-17 07:17:49] [INFO ] Invariant cache hit.
[2023-03-17 07:17:49] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:17:49] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
[2023-03-17 07:17:49] [INFO ] Invariant cache hit.
[2023-03-17 07:17:49] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/47 places, 49/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 130 ms. Remains : 46/47 places, 49/50 transitions.
[2023-03-17 07:17:49] [INFO ] Flatten gal took : 4 ms
[2023-03-17 07:17:49] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:17:49] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-17 07:17:49] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:17:49] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:17:49] [INFO ] Time to serialize gal into /tmp/CTLCardinality6529244121812397030.gal : 3 ms
[2023-03-17 07:17:49] [INFO ] Time to serialize properties into /tmp/CTLCardinality7144729573513053812.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/CTLCardinality6529244121812397030.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality7144729573513053812.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,2.14659e+07,3.47464,85520,2,19818,5,364913,6,0,233,325731,0


Converting to forward existential form...Done !
original formula: EG(EF(AX(FALSE)))
=> equivalent forward existential formula: [FwdG(Init,E(TRUE U !(EX(!(FALSE)))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t35, t36, t37, t38, t39, t40, t41, t42, t44, t47, Intersection with reachab...227
Detected timeout of ITS tools.
[2023-03-17 07:18:19] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:18:19] [INFO ] Applying decomposition
[2023-03-17 07:18:19] [INFO ] Flatten gal took : 2 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/graph8456113860085252509.txt' '-o' '/tmp/graph8456113860085252509.bin' '-w' '/tmp/graph8456113860085252509.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph8456113860085252509.bin' '-l' '-1' '-v' '-w' '/tmp/graph8456113860085252509.weights' '-q' '0' '-e' '0.001'
[2023-03-17 07:18:19] [INFO ] Decomposing Gal with order
[2023-03-17 07:18:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 07:18:19] [INFO ] Removed a total of 40 redundant transitions.
[2023-03-17 07:18:19] [INFO ] Flatten gal took : 7 ms
[2023-03-17 07:18:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 15 labels/synchronizations in 2 ms.
[2023-03-17 07:18:19] [INFO ] Time to serialize gal into /tmp/CTLCardinality11180458575448678769.gal : 1 ms
[2023-03-17 07:18:19] [INFO ] Time to serialize properties into /tmp/CTLCardinality13048399064814020524.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/CTLCardinality11180458575448678769.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13048399064814020524.ctl'

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 -...264
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,2.14659e+07,21.8425,223080,2227,2751,62289,261307,171,464482,47,1.04239e+06,0


Converting to forward existential form...Done !
original formula: EG(EF(AX(FALSE)))
=> equivalent forward existential formula: [FwdG(Init,E(TRUE U !(EX(!(FALSE)))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t7, t8, t9, t35, t38, t39, t40, t41, t42, t44, i6.t47, i6.t37, i6.u0.t1, i6.u0.t36, Intersec...244
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 47/47 places, 50/50 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 49
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 49
Applied a total of 2 rules in 2 ms. Remains 46 /47 variables (removed 1) and now considering 49/50 (removed 1) transitions.
[2023-03-17 07:18:49] [INFO ] Invariant cache hit.
[2023-03-17 07:18:49] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-17 07:18:49] [INFO ] Invariant cache hit.
[2023-03-17 07:18:49] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:18:50] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2023-03-17 07:18:50] [INFO ] Invariant cache hit.
[2023-03-17 07:18:50] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/47 places, 49/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 126 ms. Remains : 46/47 places, 49/50 transitions.
[2023-03-17 07:18:50] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:18:50] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:18:50] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-17 07:18:50] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:18:50] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:18:50] [INFO ] Time to serialize gal into /tmp/CTLCardinality1684728465323752029.gal : 0 ms
[2023-03-17 07:18:50] [INFO ] Time to serialize properties into /tmp/CTLCardinality3649984519962164007.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/CTLCardinality1684728465323752029.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality3649984519962164007.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,2.14659e+07,3.45472,85624,2,19818,5,364913,6,0,233,325731,0


Converting to forward existential form...Done !
original formula: EX((p14>0))
=> equivalent forward existential formula: [(EY(Init) * (p14>0))] != FALSE
(forward)formula 0,0,3.45985,85624,1,0,8,364913,8,1,316,325731,2
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 47/47 places, 50/50 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 49
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 49
Applied a total of 2 rules in 2 ms. Remains 46 /47 variables (removed 1) and now considering 49/50 (removed 1) transitions.
[2023-03-17 07:18:53] [INFO ] Invariant cache hit.
[2023-03-17 07:18:53] [INFO ] Implicit Places using invariants in 48 ms returned []
[2023-03-17 07:18:53] [INFO ] Invariant cache hit.
[2023-03-17 07:18:53] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:18:53] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2023-03-17 07:18:53] [INFO ] Invariant cache hit.
[2023-03-17 07:18:53] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/47 places, 49/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 134 ms. Remains : 46/47 places, 49/50 transitions.
[2023-03-17 07:18:53] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:18:53] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:18:53] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-17 07:18:53] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:18:53] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:18:53] [INFO ] Time to serialize gal into /tmp/CTLCardinality10634258283709925876.gal : 0 ms
[2023-03-17 07:18:53] [INFO ] Time to serialize properties into /tmp/CTLCardinality5591849472688460831.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/CTLCardinality10634258283709925876.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality5591849472688460831.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,2.14659e+07,3.45202,85240,2,19818,5,364913,6,0,233,325731,0


Converting to forward existential form...Done !
original formula: AF(EG(EX(((l363>57) * EX(TRUE)))))
=> equivalent forward existential formula: [FwdG(Init,!(EG(EX(((l363>57) * EX(TRUE))))))] = FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t35, t36, t37, t38, t39, t40, t41, t42, t44, t47, Intersection with reachab...227
Using saturation style SCC detection
Detected timeout of ITS tools.
[2023-03-17 07:19:23] [INFO ] Flatten gal took : 3 ms
[2023-03-17 07:19:23] [INFO ] Applying decomposition
[2023-03-17 07:19:23] [INFO ] Flatten gal took : 2 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/graph1941724609751824120.txt' '-o' '/tmp/graph1941724609751824120.bin' '-w' '/tmp/graph1941724609751824120.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph1941724609751824120.bin' '-l' '-1' '-v' '-w' '/tmp/graph1941724609751824120.weights' '-q' '0' '-e' '0.001'
[2023-03-17 07:19:23] [INFO ] Decomposing Gal with order
[2023-03-17 07:19:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 07:19:23] [INFO ] Removed a total of 44 redundant transitions.
[2023-03-17 07:19:23] [INFO ] Flatten gal took : 4 ms
[2023-03-17 07:19:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 22 labels/synchronizations in 2 ms.
[2023-03-17 07:19:23] [INFO ] Time to serialize gal into /tmp/CTLCardinality9703389812087365512.gal : 1 ms
[2023-03-17 07:19:23] [INFO ] Time to serialize properties into /tmp/CTLCardinality17932404390225147750.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/CTLCardinality9703389812087365512.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality17932404390225147750.ctl'

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 -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 47/47 places, 50/50 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 49
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 49
Applied a total of 2 rules in 1 ms. Remains 46 /47 variables (removed 1) and now considering 49/50 (removed 1) transitions.
[2023-03-17 07:19:53] [INFO ] Invariant cache hit.
[2023-03-17 07:19:53] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-17 07:19:53] [INFO ] Invariant cache hit.
[2023-03-17 07:19:53] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:19:53] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
[2023-03-17 07:19:53] [INFO ] Invariant cache hit.
[2023-03-17 07:19:53] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/47 places, 49/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 148 ms. Remains : 46/47 places, 49/50 transitions.
[2023-03-17 07:19:53] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:19:53] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:19:53] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-17 07:19:53] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:19:53] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:19:53] [INFO ] Time to serialize gal into /tmp/CTLCardinality2882653657398905414.gal : 0 ms
[2023-03-17 07:19:53] [INFO ] Time to serialize properties into /tmp/CTLCardinality3086159486916444713.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/CTLCardinality2882653657398905414.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality3086159486916444713.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,2.14659e+07,3.38282,85432,2,19818,5,364913,6,0,233,325731,0


Converting to forward existential form...Done !
original formula: EG(EX(TRUE))
=> equivalent forward existential formula: [FwdG(Init,EX(TRUE))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t35, t36, t37, t38, t39, t40, t41, t42, t44, t47, Intersection with reachab...227
Detected timeout of ITS tools.
[2023-03-17 07:20:24] [INFO ] Flatten gal took : 7 ms
[2023-03-17 07:20:24] [INFO ] Applying decomposition
[2023-03-17 07:20:24] [INFO ] Flatten gal took : 2 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/graph15011109694682403355.txt' '-o' '/tmp/graph15011109694682403355.bin' '-w' '/tmp/graph15011109694682403355.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph15011109694682403355.bin' '-l' '-1' '-v' '-w' '/tmp/graph15011109694682403355.weights' '-q' '0' '-e' '0.001'
[2023-03-17 07:20:24] [INFO ] Decomposing Gal with order
[2023-03-17 07:20:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 07:20:24] [INFO ] Removed a total of 41 redundant transitions.
[2023-03-17 07:20:24] [INFO ] Flatten gal took : 4 ms
[2023-03-17 07:20:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 20 labels/synchronizations in 1 ms.
[2023-03-17 07:20:24] [INFO ] Time to serialize gal into /tmp/CTLCardinality3784643462144743208.gal : 1 ms
[2023-03-17 07:20:24] [INFO ] Time to serialize properties into /tmp/CTLCardinality13946904252743277074.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/CTLCardinality3784643462144743208.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13946904252743277074.ctl'

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 -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 47/47 places, 50/50 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 46 transition count 49
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 46 transition count 49
Applied a total of 2 rules in 7 ms. Remains 46 /47 variables (removed 1) and now considering 49/50 (removed 1) transitions.
[2023-03-17 07:20:54] [INFO ] Invariant cache hit.
[2023-03-17 07:20:54] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-17 07:20:54] [INFO ] Invariant cache hit.
[2023-03-17 07:20:54] [INFO ] State equation strengthened by 21 read => feed constraints.
[2023-03-17 07:20:54] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2023-03-17 07:20:54] [INFO ] Invariant cache hit.
[2023-03-17 07:20:54] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 46/47 places, 49/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 129 ms. Remains : 46/47 places, 49/50 transitions.
[2023-03-17 07:20:54] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:20:54] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:20:54] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-17 07:20:54] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:20:54] [INFO ] Flatten gal took : 1 ms
[2023-03-17 07:20:54] [INFO ] Time to serialize gal into /tmp/CTLCardinality8584107649285722632.gal : 0 ms
[2023-03-17 07:20:54] [INFO ] Time to serialize properties into /tmp/CTLCardinality9726894847216894203.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/CTLCardinality8584107649285722632.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9726894847216894203.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,2.14659e+07,3.3698,86184,2,19818,5,364913,6,0,233,325731,0


Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,3.37118,86184,1,0,6,364913,7,1,314,325731,1
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

[2023-03-17 07:20:57] [INFO ] Flatten gal took : 5 ms
[2023-03-17 07:20:57] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:20:57] [INFO ] Applying decomposition
[2023-03-17 07:20:57] [INFO ] Flatten gal took : 2 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/graph2509511819259480720.txt' '-o' '/tmp/graph2509511819259480720.bin' '-w' '/tmp/graph2509511819259480720.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph2509511819259480720.bin' '-l' '-1' '-v' '-w' '/tmp/graph2509511819259480720.weights' '-q' '0' '-e' '0.001'
[2023-03-17 07:20:57] [INFO ] Decomposing Gal with order
[2023-03-17 07:20:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-17 07:20:57] [INFO ] Removed a total of 44 redundant transitions.
[2023-03-17 07:20:57] [INFO ] Flatten gal took : 4 ms
[2023-03-17 07:20:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 17 labels/synchronizations in 1 ms.
[2023-03-17 07:20:57] [INFO ] Time to serialize gal into /tmp/CTLCardinality17722652238040129097.gal : 2 ms
[2023-03-17 07:20:57] [INFO ] Time to serialize properties into /tmp/CTLCardinality2917493710352296956.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/CTLCardinality17722652238040129097.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality2917493710352296956.ctl'

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 -...263
No direction supplied, using forward translation only.
Parsed 4 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,2.14659e+07,4.50491,69632,1226,1519,36168,39788,173,149715,44,234156,0


Converting to forward existential form...Done !
original formula: EX(AF(EG(AG((i4.u5.l287<=0)))))
=> equivalent forward existential formula: [(EY(Init) * !(EG(!(EG(!(E(TRUE U !((i4.u5.l287<=0)))))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t28, t35, t38, t39, t40, t41, t42, t45, i0.t48, i0.t37, i0.u0.t1, i0.u0.t36, Interse...245
ITS-tools command line returned an error code 139
[2023-03-17 07:27:39] [INFO ] Flatten gal took : 2 ms
[2023-03-17 07:27:39] [INFO ] Time to serialize gal into /tmp/CTLCardinality956574777798080450.gal : 2 ms
[2023-03-17 07:27:39] [INFO ] Time to serialize properties into /tmp/CTLCardinality941124470272029986.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/CTLCardinality956574777798080450.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality941124470272029986.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 -...281
No direction supplied, using forward translation only.
Parsed 4 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,2.14659e+07,4.01818,109484,2,17204,5,514214,6,0,238,413750,0


Converting to forward existential form...Done !
original formula: EX(AF(EG(AG((l287<=0)))))
=> equivalent forward existential formula: [(EY(Init) * !(EG(!(EG(!(E(TRUE U !((l287<=0)))))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t8, t9, t12, t35, t36, t37, t38, t39, t40, t41, t42, t45, t48, Intersection with reachab...227
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,0,71.5386,1595304,1,0,1445,9.22147e+06,127,656,1824,7.68276e+06,1503
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: EG(EF(AX(FALSE)))
=> equivalent forward existential formula: [FwdG(Init,E(TRUE U !(EX(!(FALSE)))))] != FALSE
(forward)formula 1,1,76.3371,1713704,1,0,1456,9.74267e+06,129,666,1866,8.21548e+06,1523
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

original formula: AF(EG(EX(((l363>57) * EX(TRUE)))))
=> equivalent forward existential formula: [FwdG(Init,!(EG(EX(((l363>57) * EX(TRUE))))))] = FALSE
Using saturation style SCC detection
(forward)formula 2,0,156.088,2212436,1,0,2102,1.26176e+07,13,1221,977,1.16535e+07,392
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

original formula: EG(EX(TRUE))
=> equivalent forward existential formula: [FwdG(Init,EX(TRUE))] != FALSE
(forward)formula 3,1,205.275,2292428,1,0,2102,1.2647e+07,16,1221,1116,1.4395e+07,1224
FORMULA RingSingleMessageInMbox-PT-d0m080-CTLCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 868698 ms.

BK_STOP 1679038266681

--------------------
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="RingSingleMessageInMbox-PT-d0m080"
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 RingSingleMessageInMbox-PT-d0m080, 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-167889197700817"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d0m080.tgz
mv RingSingleMessageInMbox-PT-d0m080 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 ;