Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r307-tajo-171654460800287.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool gold2023
Input is PolyORBNT-PT-S05J40, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r307-tajo-171654460800287
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.9M
-rw-r--r-- 1 mcc users 17K Apr 12 09:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 12 09:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 76K Apr 12 09:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 346K Apr 12 09:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 28K Apr 23 07:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Apr 23 07:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 23 07:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 46K Apr 23 07:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 46K Apr 12 10:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 253K Apr 12 10:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 100K Apr 12 10:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 438K Apr 12 10:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 6.2K Apr 23 07:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 14K Apr 23 07:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 1.3M May 18 16:43 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 PolyORBNT-PT-S05J40-LTLCardinality-00
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-01
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-02
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-03
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-04
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-05
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-06
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-07
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-08
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-09
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-10
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-11
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-12
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-13
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-14
FORMULA_NAME PolyORBNT-PT-S05J40-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717131993116

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=gold2023
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBNT-PT-S05J40
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202304061127
[2024-05-31 05:06:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-31 05:06:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 05:06:35] [INFO ] Load time of PNML (sax parser for PT used): 140 ms
[2024-05-31 05:06:35] [INFO ] Transformed 629 places.
[2024-05-31 05:06:35] [INFO ] Transformed 1590 transitions.
[2024-05-31 05:06:35] [INFO ] Parsed PT model containing 629 places and 1590 transitions and 10704 arcs in 219 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 655 transitions
Reduce redundant transitions removed 655 transitions.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 364 out of 629 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 629/629 places, 935/935 transitions.
Ensure Unique test removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 625 transition count 935
Applied a total of 4 rules in 44 ms. Remains 625 /629 variables (removed 4) and now considering 935/935 (removed 0) transitions.
[2024-05-31 05:06:35] [INFO ] Flow matrix only has 931 transitions (discarded 4 similar events)
// Phase 1: matrix 931 rows 625 cols
[2024-05-31 05:06:35] [INFO ] Computed 98 invariants in 73 ms
[2024-05-31 05:06:37] [INFO ] Dead Transitions using invariants and state equation in 1848 ms found 95 transitions.
Found 95 dead transitions using SMT.
Drop transitions removed 95 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 95 transitions.
[2024-05-31 05:06:37] [INFO ] Flow matrix only has 836 transitions (discarded 4 similar events)
// Phase 1: matrix 836 rows 625 cols
[2024-05-31 05:06:37] [INFO ] Computed 98 invariants in 35 ms
[2024-05-31 05:06:37] [INFO ] Implicit Places using invariants in 485 ms returned []
[2024-05-31 05:06:37] [INFO ] Flow matrix only has 836 transitions (discarded 4 similar events)
[2024-05-31 05:06:37] [INFO ] Invariant cache hit.
[2024-05-31 05:06:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:06:39] [INFO ] Implicit Places using invariants and state equation in 1627 ms returned []
Implicit Place search using SMT with State Equation took 2121 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 625/629 places, 840/935 transitions.
Applied a total of 0 rules in 31 ms. Remains 625 /625 variables (removed 0) and now considering 840/840 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4069 ms. Remains : 625/629 places, 840/935 transitions.
Support contains 364 out of 625 places after structural reductions.
[2024-05-31 05:06:39] [INFO ] Flatten gal took : 144 ms
[2024-05-31 05:06:39] [INFO ] Flatten gal took : 67 ms
[2024-05-31 05:06:40] [INFO ] Input system was already deterministic with 840 transitions.
Support contains 362 out of 625 places (down from 364) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 679 resets, run finished after 616 ms. (steps per millisecond=16 ) properties (out of 32) seen :17
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 24 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 17 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 9 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 24 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 15) seen :0
Running SMT prover for 15 properties.
[2024-05-31 05:06:40] [INFO ] Flow matrix only has 836 transitions (discarded 4 similar events)
[2024-05-31 05:06:40] [INFO ] Invariant cache hit.
[2024-05-31 05:06:41] [INFO ] [Real]Absence check using 76 positive place invariants in 24 ms returned sat
[2024-05-31 05:06:41] [INFO ] [Real]Absence check using 76 positive and 22 generalized place invariants in 22 ms returned sat
[2024-05-31 05:06:41] [INFO ] After 402ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:13
[2024-05-31 05:06:41] [INFO ] [Nat]Absence check using 76 positive place invariants in 18 ms returned sat
[2024-05-31 05:06:41] [INFO ] [Nat]Absence check using 76 positive and 22 generalized place invariants in 24 ms returned sat
[2024-05-31 05:06:43] [INFO ] After 1749ms SMT Verify possible using state equation in natural domain returned unsat :13 sat :2
[2024-05-31 05:06:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:06:43] [INFO ] After 285ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :13 sat :2
[2024-05-31 05:06:44] [INFO ] After 687ms SMT Verify possible using trap constraints in natural domain returned unsat :13 sat :2
Attempting to minimize the solution found.
Minimization took 385 ms.
[2024-05-31 05:06:44] [INFO ] After 3159ms SMT Verify possible using all constraints in natural domain returned unsat :13 sat :2
Fused 15 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 5 ms.
Support contains 4 out of 625 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Drop transitions removed 44 transitions
Trivial Post-agglo rules discarded 44 transitions
Performed 44 trivial Post agglomeration. Transition count delta: 44
Iterating post reduction 0 with 45 rules applied. Total rules applied 45 place count 624 transition count 796
Reduce places removed 44 places and 0 transitions.
Iterating post reduction 1 with 44 rules applied. Total rules applied 89 place count 580 transition count 796
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 45 Pre rules applied. Total rules applied 89 place count 580 transition count 751
Deduced a syphon composed of 45 places in 1 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 2 with 90 rules applied. Total rules applied 179 place count 535 transition count 751
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 180 place count 534 transition count 750
Iterating global reduction 2 with 1 rules applied. Total rules applied 181 place count 534 transition count 750
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 185 place count 532 transition count 748
Applied a total of 185 rules in 382 ms. Remains 532 /625 variables (removed 93) and now considering 748/840 (removed 92) transitions.
[2024-05-31 05:06:44] [INFO ] Flow matrix only has 744 transitions (discarded 4 similar events)
// Phase 1: matrix 744 rows 532 cols
[2024-05-31 05:06:44] [INFO ] Computed 97 invariants in 17 ms
[2024-05-31 05:06:45] [INFO ] Dead Transitions using invariants and state equation in 817 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1202 ms. Remains : 532/625 places, 748/840 transitions.
Finished random walk after 856 steps, including 64 resets, run visited all 2 properties in 34 ms. (steps per millisecond=25 )
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 13 atomic propositions for a total of 15 simplifications.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 625 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Drop transitions removed 46 transitions
Trivial Post-agglo rules discarded 46 transitions
Performed 46 trivial Post agglomeration. Transition count delta: 46
Iterating post reduction 0 with 46 rules applied. Total rules applied 46 place count 624 transition count 794
Reduce places removed 46 places and 0 transitions.
Iterating post reduction 1 with 46 rules applied. Total rules applied 92 place count 578 transition count 794
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 45 Pre rules applied. Total rules applied 92 place count 578 transition count 749
Deduced a syphon composed of 45 places in 0 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 2 with 90 rules applied. Total rules applied 182 place count 533 transition count 749
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 183 place count 532 transition count 748
Iterating global reduction 2 with 1 rules applied. Total rules applied 184 place count 532 transition count 748
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 188 place count 530 transition count 746
Applied a total of 188 rules in 103 ms. Remains 530 /625 variables (removed 95) and now considering 746/840 (removed 94) transitions.
[2024-05-31 05:06:46] [INFO ] Flow matrix only has 742 transitions (discarded 4 similar events)
// Phase 1: matrix 742 rows 530 cols
[2024-05-31 05:06:46] [INFO ] Computed 97 invariants in 14 ms
[2024-05-31 05:06:46] [INFO ] Dead Transitions using invariants and state equation in 560 ms found 0 transitions.
[2024-05-31 05:06:46] [INFO ] Flow matrix only has 742 transitions (discarded 4 similar events)
[2024-05-31 05:06:46] [INFO ] Invariant cache hit.
[2024-05-31 05:06:47] [INFO ] Implicit Places using invariants in 603 ms returned []
[2024-05-31 05:06:47] [INFO ] Flow matrix only has 742 transitions (discarded 4 similar events)
[2024-05-31 05:06:47] [INFO ] Invariant cache hit.
[2024-05-31 05:06:47] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:06:54] [INFO ] Implicit Places using invariants and state equation in 6824 ms returned []
Implicit Place search using SMT with State Equation took 7431 ms to find 0 implicit places.
[2024-05-31 05:06:54] [INFO ] Redundant transitions in 54 ms returned []
[2024-05-31 05:06:54] [INFO ] Flow matrix only has 742 transitions (discarded 4 similar events)
[2024-05-31 05:06:54] [INFO ] Invariant cache hit.
[2024-05-31 05:06:55] [INFO ] Dead Transitions using invariants and state equation in 762 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 530/625 places, 746/840 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8924 ms. Remains : 530/625 places, 746/840 transitions.
ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2Stuttering acceptance computed with spot in 197 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ 1 s420)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 48 steps with 1 reset in 3 ms.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-00 finished in 9206 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(((p0 U X(p1)) U (p1&&X(G(!p0)))))))'
Support contains 44 out of 625 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 624 transition count 840
Applied a total of 1 rules in 14 ms. Remains 624 /625 variables (removed 1) and now considering 840/840 (removed 0) transitions.
[2024-05-31 05:06:55] [INFO ] Flow matrix only has 836 transitions (discarded 4 similar events)
// Phase 1: matrix 836 rows 624 cols
[2024-05-31 05:06:55] [INFO ] Computed 97 invariants in 11 ms
[2024-05-31 05:06:56] [INFO ] Dead Transitions using invariants and state equation in 858 ms found 0 transitions.
[2024-05-31 05:06:56] [INFO ] Flow matrix only has 836 transitions (discarded 4 similar events)
[2024-05-31 05:06:56] [INFO ] Invariant cache hit.
[2024-05-31 05:06:57] [INFO ] Implicit Places using invariants in 905 ms returned []
[2024-05-31 05:06:57] [INFO ] Flow matrix only has 836 transitions (discarded 4 similar events)
[2024-05-31 05:06:57] [INFO ] Invariant cache hit.
[2024-05-31 05:06:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:07:05] [INFO ] Implicit Places using invariants and state equation in 8329 ms returned []
Implicit Place search using SMT with State Equation took 9238 ms to find 0 implicit places.
[2024-05-31 05:07:05] [INFO ] Flow matrix only has 836 transitions (discarded 4 similar events)
[2024-05-31 05:07:05] [INFO ] Invariant cache hit.
[2024-05-31 05:07:06] [INFO ] Dead Transitions using invariants and state equation in 825 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 624/625 places, 840/840 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10949 ms. Remains : 624/625 places, 840/840 transitions.
Stuttering acceptance computed with spot in 300 ms :[(OR (NOT p1) p0), (NOT p1), (OR (NOT p1) p0), (AND (NOT p1) p0), p0, (AND p1 p0)]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0, 1} source=0 dest: 1}, { cond=(NOT p1), acceptance={0, 1} source=0 dest: 2}, { cond=(AND p1 (NOT p0)), acceptance={0, 1} source=0 dest: 3}, { cond=p1, acceptance={0, 1} source=0 dest: 4}], [{ cond=(NOT p1), acceptance={1} source=1 dest: 0}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0, 1} source=2 dest: 1}, { cond=(NOT p1), acceptance={0, 1} source=2 dest: 2}, { cond=(AND p1 (NOT p0)), acceptance={0, 1} source=2 dest: 3}, { cond=p1, acceptance={0, 1} source=2 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={1} source=3 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p1) p0), acceptance={0, 1} source=4 dest: 2}, { cond=(NOT p0), acceptance={0} source=4 dest: 3}, { cond=(NOT p0), acceptance={0} source=4 dest: 4}, { cond=(AND p1 p0), acceptance={0, 1} source=4 dest: 4}], [{ cond=(AND p1 p0), acceptance={1} source=5 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(LEQ s496 s44), p0:(LEQ (ADD s5 s42 s54 s61 s75 s85 s91 s114 s133 s160 s176 s177 s184 s198 s211 s220 s240 s249 s314 s316 s325 s326 s353 s358 s366 s394 ...], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 12 steps with 0 reset in 1 ms.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-01 finished in 11276 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p1))&&(p2||F(!p1))&&p0)))'
Support contains 209 out of 625 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 624 transition count 840
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 623 transition count 839
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 623 transition count 839
Applied a total of 3 rules in 17 ms. Remains 623 /625 variables (removed 2) and now considering 839/840 (removed 1) transitions.
[2024-05-31 05:07:06] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
// Phase 1: matrix 835 rows 623 cols
[2024-05-31 05:07:06] [INFO ] Computed 97 invariants in 10 ms
[2024-05-31 05:07:07] [INFO ] Dead Transitions using invariants and state equation in 797 ms found 0 transitions.
[2024-05-31 05:07:07] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:07] [INFO ] Invariant cache hit.
[2024-05-31 05:07:08] [INFO ] Implicit Places using invariants in 504 ms returned []
[2024-05-31 05:07:08] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:08] [INFO ] Invariant cache hit.
[2024-05-31 05:07:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:07:15] [INFO ] Implicit Places using invariants and state equation in 7754 ms returned []
Implicit Place search using SMT with State Equation took 8273 ms to find 0 implicit places.
[2024-05-31 05:07:15] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:15] [INFO ] Invariant cache hit.
[2024-05-31 05:07:16] [INFO ] Dead Transitions using invariants and state equation in 787 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 623/625 places, 839/840 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9881 ms. Remains : 623/625 places, 839/840 transitions.
Stuttering acceptance computed with spot in 220 ms :[(OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), (NOT p1), true]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND p0 p2) (AND p0 (NOT p1))), acceptance={} source=1 dest: 2}, { cond=(OR (NOT p0) (AND (NOT p2) p1)), acceptance={} source=1 dest: 3}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (LEQ s215 s121) (GT (ADD s6 s9 s11 s15 s19 s22 s25 s27 s28 s32 s36 s39 s50 s56 s58 s63 s64 s69 s79 s80 s86 s87 s88 s92 s97 s99 s100 s103 s111 s112...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-03 finished in 10124 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 2 out of 625 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 624 transition count 840
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 623 transition count 839
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 623 transition count 839
Applied a total of 3 rules in 48 ms. Remains 623 /625 variables (removed 2) and now considering 839/840 (removed 1) transitions.
[2024-05-31 05:07:16] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:16] [INFO ] Invariant cache hit.
[2024-05-31 05:07:17] [INFO ] Dead Transitions using invariants and state equation in 855 ms found 0 transitions.
[2024-05-31 05:07:17] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:17] [INFO ] Invariant cache hit.
[2024-05-31 05:07:18] [INFO ] Implicit Places using invariants in 654 ms returned []
[2024-05-31 05:07:18] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:18] [INFO ] Invariant cache hit.
[2024-05-31 05:07:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:07:28] [INFO ] Implicit Places using invariants and state equation in 9657 ms returned []
Implicit Place search using SMT with State Equation took 10322 ms to find 0 implicit places.
[2024-05-31 05:07:28] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:28] [INFO ] Invariant cache hit.
[2024-05-31 05:07:28] [INFO ] Dead Transitions using invariants and state equation in 835 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 623/625 places, 839/840 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12067 ms. Remains : 623/625 places, 839/840 transitions.
Stuttering acceptance computed with spot in 143 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(LEQ s205 s218)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 166 steps with 12 reset in 3 ms.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-04 finished in 12232 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)&&F((G(p1)||G(!p1))))))'
Support contains 42 out of 625 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Drop transitions removed 45 transitions
Trivial Post-agglo rules discarded 45 transitions
Performed 45 trivial Post agglomeration. Transition count delta: 45
Iterating post reduction 0 with 45 rules applied. Total rules applied 45 place count 624 transition count 795
Reduce places removed 45 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 46 rules applied. Total rules applied 91 place count 579 transition count 794
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 92 place count 578 transition count 794
Performed 44 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 44 Pre rules applied. Total rules applied 92 place count 578 transition count 750
Deduced a syphon composed of 44 places in 0 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 3 with 88 rules applied. Total rules applied 180 place count 534 transition count 750
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 181 place count 533 transition count 749
Iterating global reduction 3 with 1 rules applied. Total rules applied 182 place count 533 transition count 749
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 186 place count 531 transition count 747
Applied a total of 186 rules in 72 ms. Remains 531 /625 variables (removed 94) and now considering 747/840 (removed 93) transitions.
[2024-05-31 05:07:29] [INFO ] Flow matrix only has 743 transitions (discarded 4 similar events)
// Phase 1: matrix 743 rows 531 cols
[2024-05-31 05:07:29] [INFO ] Computed 97 invariants in 11 ms
[2024-05-31 05:07:29] [INFO ] Dead Transitions using invariants and state equation in 537 ms found 0 transitions.
[2024-05-31 05:07:29] [INFO ] Flow matrix only has 743 transitions (discarded 4 similar events)
[2024-05-31 05:07:29] [INFO ] Invariant cache hit.
[2024-05-31 05:07:30] [INFO ] Implicit Places using invariants in 588 ms returned []
[2024-05-31 05:07:30] [INFO ] Flow matrix only has 743 transitions (discarded 4 similar events)
[2024-05-31 05:07:30] [INFO ] Invariant cache hit.
[2024-05-31 05:07:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:07:39] [INFO ] Implicit Places using invariants and state equation in 8739 ms returned []
Implicit Place search using SMT with State Equation took 9329 ms to find 0 implicit places.
[2024-05-31 05:07:39] [INFO ] Redundant transitions in 8 ms returned []
[2024-05-31 05:07:39] [INFO ] Flow matrix only has 743 transitions (discarded 4 similar events)
[2024-05-31 05:07:39] [INFO ] Invariant cache hit.
[2024-05-31 05:07:39] [INFO ] Dead Transitions using invariants and state equation in 679 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 531/625 places, 747/840 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10656 ms. Remains : 531/625 places, 747/840 transitions.
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), false]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}, { cond=(NOT p0), acceptance={0, 1} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}, { cond=p1, acceptance={1} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ 1 s259), p1:(GT 1 (ADD s0 s25 s29 s34 s42 s55 s60 s85 s87 s89 s100 s113 s127 s128 s135 s145 s165 s184 s239 s244 s252 s284 s287 s317 s323 s331 s332...], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 114 steps with 7 reset in 2 ms.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-06 finished in 10757 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(F(p1))))))'
Support contains 4 out of 625 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Drop transitions removed 45 transitions
Trivial Post-agglo rules discarded 45 transitions
Performed 45 trivial Post agglomeration. Transition count delta: 45
Iterating post reduction 0 with 45 rules applied. Total rules applied 45 place count 624 transition count 795
Reduce places removed 45 places and 0 transitions.
Iterating post reduction 1 with 45 rules applied. Total rules applied 90 place count 579 transition count 795
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 45 Pre rules applied. Total rules applied 90 place count 579 transition count 750
Deduced a syphon composed of 45 places in 0 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 2 with 90 rules applied. Total rules applied 180 place count 534 transition count 750
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 181 place count 533 transition count 749
Iterating global reduction 2 with 1 rules applied. Total rules applied 182 place count 533 transition count 749
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 184 place count 532 transition count 748
Applied a total of 184 rules in 72 ms. Remains 532 /625 variables (removed 93) and now considering 748/840 (removed 92) transitions.
[2024-05-31 05:07:39] [INFO ] Flow matrix only has 744 transitions (discarded 4 similar events)
// Phase 1: matrix 744 rows 532 cols
[2024-05-31 05:07:39] [INFO ] Computed 97 invariants in 9 ms
[2024-05-31 05:07:40] [INFO ] Dead Transitions using invariants and state equation in 613 ms found 0 transitions.
[2024-05-31 05:07:40] [INFO ] Flow matrix only has 744 transitions (discarded 4 similar events)
[2024-05-31 05:07:40] [INFO ] Invariant cache hit.
[2024-05-31 05:07:41] [INFO ] Implicit Places using invariants in 636 ms returned []
[2024-05-31 05:07:41] [INFO ] Flow matrix only has 744 transitions (discarded 4 similar events)
[2024-05-31 05:07:41] [INFO ] Invariant cache hit.
[2024-05-31 05:07:41] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:07:49] [INFO ] Implicit Places using invariants and state equation in 8185 ms returned []
Implicit Place search using SMT with State Equation took 8824 ms to find 0 implicit places.
[2024-05-31 05:07:49] [INFO ] Redundant transitions in 6 ms returned []
[2024-05-31 05:07:49] [INFO ] Flow matrix only has 744 transitions (discarded 4 similar events)
[2024-05-31 05:07:49] [INFO ] Invariant cache hit.
[2024-05-31 05:07:49] [INFO ] Dead Transitions using invariants and state equation in 534 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 532/625 places, 748/840 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10075 ms. Remains : 532/625 places, 748/840 transitions.
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s404 s54), p1:(LEQ s46 s138)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 5989 reset in 444 ms.
Product exploration explored 100000 steps with 5867 reset in 468 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 107 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 135 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 575 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 344 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 311673 steps, run timeout after 3001 ms. (steps per millisecond=103 ) properties seen :{}
Probabilistic random walk after 311673 steps, saw 91341 distinct states, run finished after 3002 ms. (steps per millisecond=103 ) properties seen :0
Running SMT prover for 1 properties.
[2024-05-31 05:07:54] [INFO ] Flow matrix only has 744 transitions (discarded 4 similar events)
[2024-05-31 05:07:54] [INFO ] Invariant cache hit.
[2024-05-31 05:07:54] [INFO ] After 93ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 05:07:54] [INFO ] [Nat]Absence check using 76 positive place invariants in 11 ms returned sat
[2024-05-31 05:07:54] [INFO ] [Nat]Absence check using 76 positive and 21 generalized place invariants in 21 ms returned sat
[2024-05-31 05:07:54] [INFO ] After 114ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (G (NOT (AND (NOT p0) (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 23 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-09 finished in 14687 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0) U (p1&&X(F(p2)))))))'
Support contains 6 out of 625 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 624 transition count 840
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 623 transition count 839
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 623 transition count 839
Applied a total of 3 rules in 36 ms. Remains 623 /625 variables (removed 2) and now considering 839/840 (removed 1) transitions.
[2024-05-31 05:07:54] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
// Phase 1: matrix 835 rows 623 cols
[2024-05-31 05:07:54] [INFO ] Computed 97 invariants in 26 ms
[2024-05-31 05:07:55] [INFO ] Dead Transitions using invariants and state equation in 905 ms found 0 transitions.
[2024-05-31 05:07:55] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:55] [INFO ] Invariant cache hit.
[2024-05-31 05:07:56] [INFO ] Implicit Places using invariants in 708 ms returned []
[2024-05-31 05:07:56] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:07:56] [INFO ] Invariant cache hit.
[2024-05-31 05:07:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:08:04] [INFO ] Implicit Places using invariants and state equation in 8598 ms returned []
Implicit Place search using SMT with State Equation took 9318 ms to find 0 implicit places.
[2024-05-31 05:08:04] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:04] [INFO ] Invariant cache hit.
[2024-05-31 05:08:05] [INFO ] Dead Transitions using invariants and state equation in 958 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 623/625 places, 839/840 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11224 ms. Remains : 623/625 places, 839/840 transitions.
Stuttering acceptance computed with spot in 295 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p0), (NOT p2)]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 4}, { cond=p1, acceptance={0} source=2 dest: 5}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 3}, { cond=p0, acceptance={} source=4 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(LEQ 1 s562), p0:(OR (LEQ 3 s559) (LEQ s438 s235)), p2:(LEQ s495 s474)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 951 steps with 62 reset in 9 ms.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-10 finished in 11551 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0 U X((p1&&X((p1 U (p2||G(p1)))))))))'
Support contains 4 out of 625 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 624 transition count 840
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 623 transition count 839
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 623 transition count 839
Applied a total of 3 rules in 60 ms. Remains 623 /625 variables (removed 2) and now considering 839/840 (removed 1) transitions.
[2024-05-31 05:08:06] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:06] [INFO ] Invariant cache hit.
[2024-05-31 05:08:07] [INFO ] Dead Transitions using invariants and state equation in 980 ms found 0 transitions.
[2024-05-31 05:08:07] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:07] [INFO ] Invariant cache hit.
[2024-05-31 05:08:07] [INFO ] Implicit Places using invariants in 854 ms returned []
[2024-05-31 05:08:07] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:07] [INFO ] Invariant cache hit.
[2024-05-31 05:08:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:08:15] [INFO ] Implicit Places using invariants and state equation in 7677 ms returned []
Implicit Place search using SMT with State Equation took 8532 ms to find 0 implicit places.
[2024-05-31 05:08:15] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:15] [INFO ] Invariant cache hit.
[2024-05-31 05:08:16] [INFO ] Dead Transitions using invariants and state equation in 965 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 623/625 places, 839/840 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10544 ms. Remains : 623/625 places, 839/840 transitions.
Stuttering acceptance computed with spot in 202 ms :[(NOT p1), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={} source=1 dest: 3}, { cond=p1, acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 4}, { cond=(AND p0 p1), acceptance={0} source=2 dest: 5}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=5 dest: 1}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={0} source=5 dest: 2}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={} source=5 dest: 4}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(LEQ s582 s127), p1:(GT 1 s24), p2:(GT 1 s503)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3023 steps with 517 reset in 38 ms.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-14 finished in 10813 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(p0))))'
Support contains 1 out of 625 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 625/625 places, 840/840 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 624 transition count 840
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 623 transition count 839
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 623 transition count 839
Applied a total of 3 rules in 28 ms. Remains 623 /625 variables (removed 2) and now considering 839/840 (removed 1) transitions.
[2024-05-31 05:08:16] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:16] [INFO ] Invariant cache hit.
[2024-05-31 05:08:17] [INFO ] Dead Transitions using invariants and state equation in 931 ms found 0 transitions.
[2024-05-31 05:08:17] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:17] [INFO ] Invariant cache hit.
[2024-05-31 05:08:18] [INFO ] Implicit Places using invariants in 586 ms returned []
[2024-05-31 05:08:18] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:18] [INFO ] Invariant cache hit.
[2024-05-31 05:08:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:08:27] [INFO ] Implicit Places using invariants and state equation in 9544 ms returned []
Implicit Place search using SMT with State Equation took 10149 ms to find 0 implicit places.
[2024-05-31 05:08:28] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:28] [INFO ] Invariant cache hit.
[2024-05-31 05:08:29] [INFO ] Dead Transitions using invariants and state equation in 1036 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 623/625 places, 839/840 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12146 ms. Remains : 623/625 places, 839/840 transitions.
Stuttering acceptance computed with spot in 138 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : PolyORBNT-PT-S05J40-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=3, aps=[p0:(GT 1 s213)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 25000 reset in 444 ms.
Product exploration explored 100000 steps with 25000 reset in 429 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 101 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 209 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Finished random walk after 277 steps, including 20 resets, run visited all 1 properties in 2 ms. (steps per millisecond=138 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 131 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 181 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 192 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 1 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 839/839 transitions.
Applied a total of 0 rules in 17 ms. Remains 623 /623 variables (removed 0) and now considering 839/839 (removed 0) transitions.
[2024-05-31 05:08:30] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:30] [INFO ] Invariant cache hit.
[2024-05-31 05:08:31] [INFO ] Dead Transitions using invariants and state equation in 1053 ms found 0 transitions.
[2024-05-31 05:08:31] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:31] [INFO ] Invariant cache hit.
[2024-05-31 05:08:32] [INFO ] Implicit Places using invariants in 628 ms returned []
[2024-05-31 05:08:32] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:32] [INFO ] Invariant cache hit.
[2024-05-31 05:08:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-31 05:08:41] [INFO ] Implicit Places using invariants and state equation in 8745 ms returned []
Implicit Place search using SMT with State Equation took 9384 ms to find 0 implicit places.
[2024-05-31 05:08:41] [INFO ] Flow matrix only has 835 transitions (discarded 4 similar events)
[2024-05-31 05:08:41] [INFO ] Invariant cache hit.
[2024-05-31 05:08:42] [INFO ] Dead Transitions using invariants and state equation in 930 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11388 ms. Remains : 623/623 places, 839/839 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 87 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Finished random walk after 188 steps, including 13 resets, run visited all 1 properties in 2 ms. (steps per millisecond=94 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 80 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 138 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 158 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 155 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 25000 reset in 420 ms.
Product exploration explored 100000 steps with 25000 reset in 411 ms.
Applying partial POR strategy [true, false, false, false, true]
Stuttering acceptance computed with spot in 162 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 1 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 839/839 transitions.
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 44 rules applied. Total rules applied 44 place count 623 transition count 839
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 44 place count 623 transition count 840
Deduced a syphon composed of 46 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 623 transition count 840
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 47 place count 622 transition count 839
Deduced a syphon composed of 45 places in 1 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 48 place count 622 transition count 839
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 91 places in 0 ms
Iterating global reduction 1 with 46 rules applied. Total rules applied 94 place count 622 transition count 839
Discarding 44 places :
Symmetric choice reduction at 1 with 44 rule applications. Total rules 138 place count 578 transition count 795
Deduced a syphon composed of 47 places in 0 ms
Iterating global reduction 1 with 44 rules applied. Total rules applied 182 place count 578 transition count 795
Deduced a syphon composed of 47 places in 1 ms
Applied a total of 182 rules in 290 ms. Remains 578 /623 variables (removed 45) and now considering 795/839 (removed 44) transitions.
[2024-05-31 05:08:44] [INFO ] Flow matrix only has 791 transitions (discarded 4 similar events)
// Phase 1: matrix 791 rows 578 cols
[2024-05-31 05:08:44] [INFO ] Computed 97 invariants in 28 ms
[2024-05-31 05:08:45] [INFO ] Dead Transitions using invariants and state equation in 718 ms found 0 transitions.
[2024-05-31 05:08:45] [INFO ] Redundant transitions in 7 ms returned []
[2024-05-31 05:08:45] [INFO ] Flow matrix only has 791 transitions (discarded 4 similar events)
[2024-05-31 05:08:45] [INFO ] Invariant cache hit.
[2024-05-31 05:08:45] [INFO ] Dead Transitions using invariants and state equation in 532 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 578/623 places, 795/839 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1568 ms. Remains : 578/623 places, 795/839 transitions.
Built C files in :
/tmp/ltsmin14815931388533845766
[2024-05-31 05:08:45] [INFO ] Built C files in 22ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14815931388533845766
Running compilation step : cd /tmp/ltsmin14815931388533845766;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1563 ms.
Running link step : cd /tmp/ltsmin14815931388533845766;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 72 ms.
Running LTSmin : cd /tmp/ltsmin14815931388533845766;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased16995399432850275921.hoa' '--buchi-type=spotba'
LTSmin run took 500 ms.
FORMULA PolyORBNT-PT-S05J40-LTLCardinality-15 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property PolyORBNT-PT-S05J40-LTLCardinality-15 finished in 31186 ms.
All properties solved by simple procedures.
Total runtime 133199 ms.

BK_STOP 1717132128245

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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="PolyORBNT-PT-S05J40"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="gold2023"
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 2-5568"
echo " Executing tool gold2023"
echo " Input is PolyORBNT-PT-S05J40, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r307-tajo-171654460800287"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBNT-PT-S05J40.tgz
mv PolyORBNT-PT-S05J40 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;