fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r297-tall-167873951100892
Last Updated
May 14, 2023

About the Execution of LTSMin+red for QuasiCertifProtocol-PT-22

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16226.815 717903.00 1916325.00 55843.20 FFF??FFFTT?FFFFF 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.r297-tall-167873951100892.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is QuasiCertifProtocol-PT-22, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873951100892
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 33K Feb 26 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 225K Feb 26 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 15K Feb 26 01:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 100K Feb 26 01:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 49K Feb 25 16:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 214K Feb 25 16:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Feb 25 16:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 31K Feb 25 16:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 102K Feb 26 01:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 667K Feb 26 01:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 20K Feb 26 01:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 117K Feb 26 01:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 8.0K Feb 25 16:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 503K 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 QuasiCertifProtocol-PT-22-LTLFireability-00
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-01
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-02
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-03
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-04
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-05
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-06
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-07
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-08
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-09
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-10
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-11
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-12
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-13
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-14
FORMULA_NAME QuasiCertifProtocol-PT-22-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679673890620

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=QuasiCertifProtocol-PT-22
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-24 16:04:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-24 16:04:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-24 16:04:52] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2023-03-24 16:04:52] [INFO ] Transformed 1966 places.
[2023-03-24 16:04:52] [INFO ] Transformed 356 transitions.
[2023-03-24 16:04:52] [INFO ] Parsed PT model containing 1966 places and 356 transitions and 4323 arcs in 175 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 743 out of 1966 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1966/1966 places, 356/356 transitions.
Reduce places removed 50 places and 0 transitions.
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 1916 transition count 356
Applied a total of 50 rules in 171 ms. Remains 1916 /1966 variables (removed 50) and now considering 356/356 (removed 0) transitions.
// Phase 1: matrix 356 rows 1916 cols
[2023-03-24 16:04:52] [INFO ] Computed 1562 place invariants in 80 ms
[2023-03-24 16:04:54] [INFO ] Implicit Places using invariants in 1965 ms returned []
[2023-03-24 16:04:54] [INFO ] Invariant cache hit.
[2023-03-24 16:04:57] [INFO ] Implicit Places using invariants and state equation in 2704 ms returned []
Implicit Place search using SMT with State Equation took 4699 ms to find 0 implicit places.
[2023-03-24 16:04:57] [INFO ] Invariant cache hit.
[2023-03-24 16:04:58] [INFO ] Dead Transitions using invariants and state equation in 765 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1916/1966 places, 356/356 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5638 ms. Remains : 1916/1966 places, 356/356 transitions.
Support contains 743 out of 1916 places after structural reductions.
[2023-03-24 16:04:59] [INFO ] Flatten gal took : 149 ms
[2023-03-24 16:04:59] [INFO ] Flatten gal took : 86 ms
[2023-03-24 16:04:59] [INFO ] Input system was already deterministic with 356 transitions.
Incomplete random walk after 10000 steps, including 370 resets, run finished after 559 ms. (steps per millisecond=17 ) properties (out of 20) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=22 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 18) 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 18) 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 18) 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 18) 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 18) 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 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :0
Running SMT prover for 18 properties.
[2023-03-24 16:05:00] [INFO ] Invariant cache hit.
[2023-03-24 16:05:01] [INFO ] [Real]Absence check using 0 positive and 1562 generalized place invariants in 328 ms returned sat
[2023-03-24 16:05:02] [INFO ] After 617ms SMT Verify possible using state equation in real domain returned unsat :1 sat :1 real:16
[2023-03-24 16:05:02] [INFO ] After 720ms SMT Verify possible using trap constraints in real domain returned unsat :1 sat :1 real:16
Attempting to minimize the solution found.
Minimization took 61 ms.
[2023-03-24 16:05:02] [INFO ] After 2404ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :1 real:16
[2023-03-24 16:05:03] [INFO ] [Nat]Absence check using 0 positive and 1562 generalized place invariants in 322 ms returned sat
[2023-03-24 16:05:06] [INFO ] After 2253ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :16
[2023-03-24 16:05:09] [INFO ] After 4946ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :16
Attempting to minimize the solution found.
Minimization took 2084 ms.
[2023-03-24 16:05:11] [INFO ] After 8635ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :16
Fused 18 Parikh solutions to 16 different solutions.
Finished Parikh walk after 126 steps, including 0 resets, run visited all 3 properties in 6 ms. (steps per millisecond=21 )
Parikh walk visited 16 properties in 80 ms.
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
Computed a total of 1916 stabilizing places and 356 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1916 transition count 356
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0&&G(F(p1))&&(F(p0) U p2)))))'
Support contains 25 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Applied a total of 0 rules in 68 ms. Remains 1916 /1916 variables (removed 0) and now considering 356/356 (removed 0) transitions.
[2023-03-24 16:05:11] [INFO ] Invariant cache hit.
[2023-03-24 16:05:14] [INFO ] Implicit Places using invariants in 2299 ms returned []
[2023-03-24 16:05:14] [INFO ] Invariant cache hit.
[2023-03-24 16:05:18] [INFO ] Implicit Places using invariants and state equation in 4860 ms returned [1155, 1156, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1181, 1183, 1184, 1185, 1186]
Discarding 23 places :
Implicit Place search using SMT with State Equation took 7165 ms to find 23 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1893/1916 places, 356/356 transitions.
Applied a total of 0 rules in 50 ms. Remains 1893 /1893 variables (removed 0) and now considering 356/356 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 7284 ms. Remains : 1893/1916 places, 356/356 transitions.
Stuttering acceptance computed with spot in 476 ms :[(OR (NOT p1) (NOT p0) (NOT p2)), (OR (NOT p1) (NOT p0) (NOT p2)), (NOT p1), (NOT p1), (OR (NOT p0) (NOT p2)), (NOT p2), (NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}, { cond=(NOT p0), acceptance={} source=1 dest: 4}, { cond=(AND p0 (NOT p2)), acceptance={} source=1 dest: 5}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=4 dest: 4}, { cond=(AND p0 (NOT p2)), acceptance={0} source=4 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=5 dest: 5}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p1:(AND (LT s97 1) (LT s67 1) (LT s98 1) (LT s69 1) (LT s68 1) (LT s70 1) (LT s75 1) (LT s74 1) (LT s77 1) (LT s76 1) (LT s79 1) (LT s78 1) (LT s81 1) (LT...], 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, null][false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 81 steps with 2 reset in 5 ms.
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-00 finished in 7830 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U (G(p1) U p2)))'
Support contains 71 out of 1916 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Graph (complete) has 15277 edges and 1916 vertex of which 1363 are kept as prefixes of interest. Removing 553 places using SCC suffix rule.25 ms
Discarding 553 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 46 place count 1318 transition count 264
Iterating global reduction 0 with 45 rules applied. Total rules applied 91 place count 1318 transition count 264
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 0 with 2 rules applied. Total rules applied 93 place count 1317 transition count 263
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 94 place count 1317 transition count 263
Applied a total of 94 rules in 460 ms. Remains 1317 /1916 variables (removed 599) and now considering 263/356 (removed 93) transitions.
// Phase 1: matrix 263 rows 1317 cols
[2023-03-24 16:05:19] [INFO ] Computed 1056 place invariants in 27 ms
[2023-03-24 16:05:21] [INFO ] Implicit Places using invariants in 1293 ms returned []
[2023-03-24 16:05:21] [INFO ] Invariant cache hit.
[2023-03-24 16:05:23] [INFO ] Implicit Places using invariants and state equation in 2561 ms returned [579, 580, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 605, 607, 608, 609, 610]
Discarding 23 places :
Implicit Place search using SMT with State Equation took 3858 ms to find 23 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1294/1916 places, 263/356 transitions.
Applied a total of 0 rules in 71 ms. Remains 1294 /1294 variables (removed 0) and now considering 263/263 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4390 ms. Remains : 1294/1916 places, 263/356 transitions.
Stuttering acceptance computed with spot in 116 ms :[(NOT p1), true, (OR (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND p2 p1), acceptance={0} source=2 dest: 0}, { cond=(NOT p1), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p2) p1), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p2) p1 (NOT p0)), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p2) p0), acceptance={0} source=3 dest: 3}]], initial=3, aps=[p1:(AND (GEQ s111 1) (GEQ s1180 1) (GEQ s1181 1) (GEQ s1188 1) (GEQ s1189 1) (GEQ s1190 1) (GEQ s1191 1) (GEQ s1192 1) (GEQ s1193 1) (GEQ s1194 1) (GEQ s1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 2 ms.
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-01 finished in 4529 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 576 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Applied a total of 0 rules in 46 ms. Remains 1916 /1916 variables (removed 0) and now considering 356/356 (removed 0) transitions.
// Phase 1: matrix 356 rows 1916 cols
[2023-03-24 16:05:24] [INFO ] Computed 1562 place invariants in 26 ms
[2023-03-24 16:05:25] [INFO ] Implicit Places using invariants in 1956 ms returned []
[2023-03-24 16:05:25] [INFO ] Invariant cache hit.
[2023-03-24 16:05:28] [INFO ] Implicit Places using invariants and state equation in 3030 ms returned []
Implicit Place search using SMT with State Equation took 4989 ms to find 0 implicit places.
[2023-03-24 16:05:29] [INFO ] Invariant cache hit.
[2023-03-24 16:05:29] [INFO ] Dead Transitions using invariants and state equation in 756 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5792 ms. Remains : 1916/1916 places, 356/356 transitions.
Stuttering acceptance computed with spot in 79 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (OR (LT s0 1) (LT s84 1)) (OR (LT s0 1) (LT s85 1)) (OR (LT s0 1) (LT s82 1)) (OR (LT s0 1) (LT s83 1)) (OR (LT s0 1) (LT s80 1)) (OR (LT s0 1...], 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][false, false, false]]
Product exploration explored 100000 steps with 3717 reset in 614 ms.
Product exploration explored 100000 steps with 3713 reset in 588 ms.
Computed a total of 1916 stabilizing places and 356 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1916 transition count 356
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), true, (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 188 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 92 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 372 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 146 ms. (steps per millisecond=68 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1260772 steps, run timeout after 3001 ms. (steps per millisecond=420 ) properties seen :{}
Probabilistic random walk after 1260772 steps, saw 174874 distinct states, run finished after 3003 ms. (steps per millisecond=419 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-24 16:05:34] [INFO ] Invariant cache hit.
[2023-03-24 16:05:35] [INFO ] [Real]Absence check using 0 positive and 1562 generalized place invariants in 339 ms returned sat
[2023-03-24 16:05:36] [INFO ] After 1782ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-24 16:05:37] [INFO ] [Nat]Absence check using 0 positive and 1562 generalized place invariants in 338 ms returned sat
[2023-03-24 16:05:38] [INFO ] After 1264ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-24 16:05:39] [INFO ] After 2382ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 987 ms.
[2023-03-24 16:05:40] [INFO ] After 3996ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 52 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=26 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [p0, (X p0), true, (X (X p0)), (F (G p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 5 factoid took 197 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 84 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 73 ms :[true, (NOT p0), (NOT p0)]
Support contains 576 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Applied a total of 0 rules in 42 ms. Remains 1916 /1916 variables (removed 0) and now considering 356/356 (removed 0) transitions.
[2023-03-24 16:05:41] [INFO ] Invariant cache hit.
[2023-03-24 16:05:43] [INFO ] Implicit Places using invariants in 1980 ms returned []
[2023-03-24 16:05:43] [INFO ] Invariant cache hit.
[2023-03-24 16:05:46] [INFO ] Implicit Places using invariants and state equation in 2961 ms returned []
Implicit Place search using SMT with State Equation took 4949 ms to find 0 implicit places.
[2023-03-24 16:05:46] [INFO ] Invariant cache hit.
[2023-03-24 16:05:46] [INFO ] Dead Transitions using invariants and state equation in 746 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5739 ms. Remains : 1916/1916 places, 356/356 transitions.
Computed a total of 1916 stabilizing places and 356 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1916 transition count 356
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), true, (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 195 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 84 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 371 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1301621 steps, run timeout after 3001 ms. (steps per millisecond=433 ) properties seen :{}
Probabilistic random walk after 1301621 steps, saw 180099 distinct states, run finished after 3001 ms. (steps per millisecond=433 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-24 16:05:50] [INFO ] Invariant cache hit.
[2023-03-24 16:05:51] [INFO ] [Real]Absence check using 0 positive and 1562 generalized place invariants in 345 ms returned sat
[2023-03-24 16:05:52] [INFO ] After 1795ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-24 16:05:53] [INFO ] [Nat]Absence check using 0 positive and 1562 generalized place invariants in 332 ms returned sat
[2023-03-24 16:05:54] [INFO ] After 1255ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-24 16:05:55] [INFO ] After 2303ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 967 ms.
[2023-03-24 16:05:56] [INFO ] After 3886ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 52 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=52 )
Parikh walk visited 1 properties in 2 ms.
Knowledge obtained : [p0, (X p0), true, (X (X p0)), (F (G p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 5 factoid took 189 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 75 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 83 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3722 reset in 542 ms.
Product exploration explored 100000 steps with 3713 reset in 568 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 79 ms :[true, (NOT p0), (NOT p0)]
Support contains 576 out of 1916 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Graph (complete) has 15277 edges and 1916 vertex of which 1892 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.9 ms
Discarding 24 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 1 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 1892 transition count 356
Deduced a syphon composed of 2 places in 1 ms
Applied a total of 3 rules in 620 ms. Remains 1892 /1916 variables (removed 24) and now considering 356/356 (removed 0) transitions.
[2023-03-24 16:05:58] [INFO ] Redundant transitions in 59 ms returned []
// Phase 1: matrix 356 rows 1892 cols
[2023-03-24 16:05:58] [INFO ] Computed 1540 place invariants in 23 ms
[2023-03-24 16:05:59] [INFO ] Dead Transitions using invariants and state equation in 780 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1892/1916 places, 356/356 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1471 ms. Remains : 1892/1916 places, 356/356 transitions.
Support contains 576 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Applied a total of 0 rules in 47 ms. Remains 1916 /1916 variables (removed 0) and now considering 356/356 (removed 0) transitions.
// Phase 1: matrix 356 rows 1916 cols
[2023-03-24 16:05:59] [INFO ] Computed 1562 place invariants in 24 ms
[2023-03-24 16:06:01] [INFO ] Implicit Places using invariants in 1918 ms returned []
[2023-03-24 16:06:01] [INFO ] Invariant cache hit.
[2023-03-24 16:06:04] [INFO ] Implicit Places using invariants and state equation in 3057 ms returned []
Implicit Place search using SMT with State Equation took 4981 ms to find 0 implicit places.
[2023-03-24 16:06:04] [INFO ] Invariant cache hit.
[2023-03-24 16:06:05] [INFO ] Dead Transitions using invariants and state equation in 731 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5761 ms. Remains : 1916/1916 places, 356/356 transitions.
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-03 finished in 41675 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(!p0)))'
Support contains 1 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Applied a total of 0 rules in 70 ms. Remains 1916 /1916 variables (removed 0) and now considering 356/356 (removed 0) transitions.
[2023-03-24 16:06:05] [INFO ] Invariant cache hit.
[2023-03-24 16:06:08] [INFO ] Implicit Places using invariants in 2354 ms returned []
[2023-03-24 16:06:08] [INFO ] Invariant cache hit.
[2023-03-24 16:06:12] [INFO ] Implicit Places using invariants and state equation in 4859 ms returned [1155, 1156, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1181, 1183, 1184, 1185, 1186]
Discarding 23 places :
Implicit Place search using SMT with State Equation took 7219 ms to find 23 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1893/1916 places, 356/356 transitions.
Applied a total of 0 rules in 67 ms. Remains 1893 /1893 variables (removed 0) and now considering 356/356 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 7357 ms. Remains : 1893/1916 places, 356/356 transitions.
Stuttering acceptance computed with spot in 105 ms :[true, p0, p0]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s156 1)], 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][false, false, false]]
Product exploration explored 100000 steps with 3710 reset in 312 ms.
Product exploration explored 100000 steps with 3715 reset in 288 ms.
Computed a total of 1893 stabilizing places and 356 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1893 transition count 356
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 219 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 103 ms :[true, p0, p0]
Incomplete random walk after 10000 steps, including 371 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1671808 steps, run timeout after 3001 ms. (steps per millisecond=557 ) properties seen :{}
Probabilistic random walk after 1671808 steps, saw 228964 distinct states, run finished after 3001 ms. (steps per millisecond=557 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 356 rows 1893 cols
[2023-03-24 16:06:17] [INFO ] Computed 1540 place invariants in 207 ms
[2023-03-24 16:06:18] [INFO ] [Real]Absence check using 0 positive and 1540 generalized place invariants in 307 ms returned sat
[2023-03-24 16:06:18] [INFO ] After 536ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-24 16:06:18] [INFO ] After 611ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 40 ms.
[2023-03-24 16:06:18] [INFO ] After 1217ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Finished Parikh walk after 51 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=51 )
Parikh walk visited 1 properties in 2 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 188 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 87 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 85 ms :[true, p0, p0]
Support contains 1 out of 1893 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1893/1893 places, 356/356 transitions.
Applied a total of 0 rules in 70 ms. Remains 1893 /1893 variables (removed 0) and now considering 356/356 (removed 0) transitions.
[2023-03-24 16:06:19] [INFO ] Invariant cache hit.
[2023-03-24 16:06:21] [INFO ] Implicit Places using invariants in 2257 ms returned []
[2023-03-24 16:06:21] [INFO ] Invariant cache hit.
[2023-03-24 16:06:25] [INFO ] Implicit Places using invariants and state equation in 4125 ms returned []
Implicit Place search using SMT with State Equation took 6390 ms to find 0 implicit places.
[2023-03-24 16:06:25] [INFO ] Invariant cache hit.
[2023-03-24 16:06:26] [INFO ] Dead Transitions using invariants and state equation in 773 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7237 ms. Remains : 1893/1893 places, 356/356 transitions.
Computed a total of 1893 stabilizing places and 356 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1893 transition count 356
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 196 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 87 ms :[true, p0, p0]
Incomplete random walk after 10000 steps, including 371 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1676362 steps, run timeout after 3001 ms. (steps per millisecond=558 ) properties seen :{}
Probabilistic random walk after 1676362 steps, saw 229448 distinct states, run finished after 3001 ms. (steps per millisecond=558 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-24 16:06:30] [INFO ] Invariant cache hit.
[2023-03-24 16:06:30] [INFO ] [Real]Absence check using 0 positive and 1540 generalized place invariants in 346 ms returned sat
[2023-03-24 16:06:31] [INFO ] After 586ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-24 16:06:31] [INFO ] After 664ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 42 ms.
[2023-03-24 16:06:31] [INFO ] After 1310ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Finished Parikh walk after 51 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=51 )
Parikh walk visited 1 properties in 0 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 212 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 90 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 71 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 95 ms :[true, p0, p0]
Product exploration explored 100000 steps with 3713 reset in 249 ms.
Product exploration explored 100000 steps with 3718 reset in 277 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 84 ms :[true, p0, p0]
Support contains 1 out of 1893 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1893/1893 places, 356/356 transitions.
Graph (complete) has 14725 edges and 1893 vertex of which 1340 are kept as prefixes of interest. Removing 553 places using SCC suffix rule.9 ms
Discarding 553 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 46 place count 1295 transition count 264
Iterating global reduction 0 with 45 rules applied. Total rules applied 91 place count 1295 transition count 264
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 92 place count 1295 transition count 265
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 92 rules in 148 ms. Remains 1295 /1893 variables (removed 598) and now considering 265/356 (removed 91) transitions.
[2023-03-24 16:06:32] [INFO ] Redundant transitions in 18 ms returned []
// Phase 1: matrix 265 rows 1295 cols
[2023-03-24 16:06:32] [INFO ] Computed 1034 place invariants in 13 ms
[2023-03-24 16:06:33] [INFO ] Dead Transitions using invariants and state equation in 506 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1295/1893 places, 265/356 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 684 ms. Remains : 1295/1893 places, 265/356 transitions.
Support contains 1 out of 1893 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1893/1893 places, 356/356 transitions.
Applied a total of 0 rules in 61 ms. Remains 1893 /1893 variables (removed 0) and now considering 356/356 (removed 0) transitions.
// Phase 1: matrix 356 rows 1893 cols
[2023-03-24 16:06:33] [INFO ] Computed 1540 place invariants in 209 ms
[2023-03-24 16:06:35] [INFO ] Implicit Places using invariants in 2503 ms returned []
[2023-03-24 16:06:35] [INFO ] Invariant cache hit.
[2023-03-24 16:06:39] [INFO ] Implicit Places using invariants and state equation in 4068 ms returned []
Implicit Place search using SMT with State Equation took 6573 ms to find 0 implicit places.
[2023-03-24 16:06:39] [INFO ] Invariant cache hit.
[2023-03-24 16:06:40] [INFO ] Dead Transitions using invariants and state equation in 692 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7327 ms. Remains : 1893/1893 places, 356/356 transitions.
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-04 finished in 35077 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0)) U p1))'
Support contains 25 out of 1916 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Graph (complete) has 15277 edges and 1916 vertex of which 1363 are kept as prefixes of interest. Removing 553 places using SCC suffix rule.5 ms
Discarding 553 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 46 place count 1317 transition count 263
Iterating global reduction 0 with 45 rules applied. Total rules applied 91 place count 1317 transition count 263
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 0 with 2 rules applied. Total rules applied 93 place count 1316 transition count 262
Applied a total of 93 rules in 138 ms. Remains 1316 /1916 variables (removed 600) and now considering 262/356 (removed 94) transitions.
// Phase 1: matrix 262 rows 1316 cols
[2023-03-24 16:06:40] [INFO ] Computed 1056 place invariants in 17 ms
[2023-03-24 16:06:42] [INFO ] Implicit Places using invariants in 1447 ms returned []
[2023-03-24 16:06:42] [INFO ] Invariant cache hit.
[2023-03-24 16:06:44] [INFO ] Implicit Places using invariants and state equation in 2343 ms returned [579, 580, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 605, 607, 608, 609, 610, 1275, 1279, 1280, 1281, 1282, 1283, 1284, 1285, 1286, 1287, 1288, 1289, 1290, 1291, 1292, 1293, 1294, 1295, 1296, 1297, 1298, 1299, 1300]
Discarding 46 places :
Implicit Place search using SMT with State Equation took 3792 ms to find 46 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1270/1916 places, 262/356 transitions.
Applied a total of 0 rules in 50 ms. Remains 1270 /1270 variables (removed 0) and now considering 262/262 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3980 ms. Remains : 1270/1916 places, 262/356 transitions.
Stuttering acceptance computed with spot in 70 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(OR (GEQ s110 1) (AND (GEQ s111 1) (GEQ s1180 1) (GEQ s1181 1) (GEQ s1188 1) (GEQ s1189 1) (GEQ s1190 1) (GEQ s1191 1) (GEQ s1192 1) (GEQ s1193 1) (GEQ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 30 steps with 0 reset in 0 ms.
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-06 finished in 4074 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 1 out of 1916 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Graph (complete) has 15277 edges and 1916 vertex of which 1387 are kept as prefixes of interest. Removing 529 places using SCC suffix rule.5 ms
Discarding 529 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 46 place count 1341 transition count 265
Iterating global reduction 0 with 45 rules applied. Total rules applied 91 place count 1341 transition count 265
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 0 with 2 rules applied. Total rules applied 93 place count 1340 transition count 264
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 94 place count 1340 transition count 264
Applied a total of 94 rules in 181 ms. Remains 1340 /1916 variables (removed 576) and now considering 264/356 (removed 92) transitions.
// Phase 1: matrix 264 rows 1340 cols
[2023-03-24 16:06:44] [INFO ] Computed 1078 place invariants in 15 ms
[2023-03-24 16:06:46] [INFO ] Implicit Places using invariants in 1430 ms returned []
[2023-03-24 16:06:46] [INFO ] Invariant cache hit.
[2023-03-24 16:06:49] [INFO ] Implicit Places using invariants and state equation in 2857 ms returned [580, 581, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 606, 608, 609, 610, 611, 1276, 1280, 1281, 1282, 1283, 1284, 1285, 1286, 1287, 1288, 1289, 1290, 1291, 1292, 1293, 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1301]
Discarding 46 places :
Implicit Place search using SMT with State Equation took 4290 ms to find 46 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1294/1916 places, 264/356 transitions.
Applied a total of 0 rules in 50 ms. Remains 1294 /1294 variables (removed 0) and now considering 264/264 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4523 ms. Remains : 1294/1916 places, 264/356 transitions.
Stuttering acceptance computed with spot in 74 ms :[p0, p0]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s117 1)], 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 3475 reset in 306 ms.
Product exploration explored 100000 steps with 3476 reset in 300 ms.
Computed a total of 1294 stabilizing places and 264 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1294 transition count 264
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(F (G (NOT p0)))
Knowledge based reduction with 4 factoid took 118 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-08 finished in 5562 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(!p0 U X(X(p0)))||X(X(p1))))'
Support contains 26 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Applied a total of 0 rules in 66 ms. Remains 1916 /1916 variables (removed 0) and now considering 356/356 (removed 0) transitions.
// Phase 1: matrix 356 rows 1916 cols
[2023-03-24 16:06:50] [INFO ] Computed 1562 place invariants in 24 ms
[2023-03-24 16:06:52] [INFO ] Implicit Places using invariants in 2486 ms returned []
[2023-03-24 16:06:52] [INFO ] Invariant cache hit.
[2023-03-24 16:06:57] [INFO ] Implicit Places using invariants and state equation in 4163 ms returned [1155, 1156, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1178, 1181, 1183, 1184, 1185, 1186]
Discarding 22 places :
Implicit Place search using SMT with State Equation took 6653 ms to find 22 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1894/1916 places, 356/356 transitions.
Applied a total of 0 rules in 65 ms. Remains 1894 /1894 variables (removed 0) and now considering 356/356 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 6784 ms. Remains : 1894/1916 places, 356/356 transitions.
Stuttering acceptance computed with spot in 334 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), (AND p0 (NOT p1)), true, (AND p0 (NOT p1)), (AND p0 (NOT p1)), p0]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 5}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 5}], [{ cond=p0, acceptance={} source=2 dest: 5}], [{ cond=p0, acceptance={} source=3 dest: 0}, { cond=(NOT p0), acceptance={} source=3 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 5}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 8}], [{ cond=true, acceptance={0} source=5 dest: 5}], [{ cond=true, acceptance={} source=6 dest: 1}], [{ cond=(NOT p0), acceptance={} source=7 dest: 3}, { cond=p0, acceptance={} source=7 dest: 6}], [{ cond=p0, acceptance={} source=8 dest: 5}, { cond=(NOT p0), acceptance={} source=8 dest: 8}]], initial=7, aps=[p0:(AND (GEQ s867 1) (GEQ s868 1) (GEQ s869 1) (GEQ s870 1) (GEQ s874 1) (GEQ s973 1) (GEQ s974 1) (GEQ s979 1) (GEQ s980 1) (GEQ s981 1) (GEQ s982 1) (GE...], 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, null, null, null, null][false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 3711 reset in 260 ms.
Product exploration explored 100000 steps with 3707 reset in 281 ms.
Computed a total of 1894 stabilizing places and 356 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1894 transition count 356
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 280 ms. Reduced automaton from 9 states, 14 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 70 ms :[true, p0, p0]
Incomplete random walk after 10000 steps, including 369 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1665700 steps, run timeout after 3001 ms. (steps per millisecond=555 ) properties seen :{}
Probabilistic random walk after 1665700 steps, saw 228151 distinct states, run finished after 3002 ms. (steps per millisecond=554 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 356 rows 1894 cols
[2023-03-24 16:07:01] [INFO ] Computed 1540 place invariants in 25 ms
[2023-03-24 16:07:02] [INFO ] [Real]Absence check using 0 positive and 1540 generalized place invariants in 320 ms returned sat
[2023-03-24 16:07:03] [INFO ] After 802ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-24 16:07:03] [INFO ] After 1009ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 181 ms.
[2023-03-24 16:07:03] [INFO ] After 1774ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Finished Parikh walk after 98 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=32 )
Parikh walk visited 1 properties in 2 ms.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 6 factoid took 250 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 100 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 85 ms :[true, p0, p0]
Support contains 24 out of 1894 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1894/1894 places, 356/356 transitions.
Applied a total of 0 rules in 64 ms. Remains 1894 /1894 variables (removed 0) and now considering 356/356 (removed 0) transitions.
[2023-03-24 16:07:04] [INFO ] Invariant cache hit.
[2023-03-24 16:07:06] [INFO ] Implicit Places using invariants in 2370 ms returned []
[2023-03-24 16:07:06] [INFO ] Invariant cache hit.
[2023-03-24 16:07:10] [INFO ] Implicit Places using invariants and state equation in 4430 ms returned []
Implicit Place search using SMT with State Equation took 6803 ms to find 0 implicit places.
[2023-03-24 16:07:10] [INFO ] Invariant cache hit.
[2023-03-24 16:07:11] [INFO ] Dead Transitions using invariants and state equation in 746 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7614 ms. Remains : 1894/1894 places, 356/356 transitions.
Computed a total of 1894 stabilizing places and 356 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1894 transition count 356
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 179 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 79 ms :[true, p0, p0]
Incomplete random walk after 10000 steps, including 372 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1659333 steps, run timeout after 3001 ms. (steps per millisecond=552 ) properties seen :{}
Probabilistic random walk after 1659333 steps, saw 227494 distinct states, run finished after 3001 ms. (steps per millisecond=552 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-24 16:07:15] [INFO ] Invariant cache hit.
[2023-03-24 16:07:15] [INFO ] [Real]Absence check using 0 positive and 1540 generalized place invariants in 335 ms returned sat
[2023-03-24 16:07:16] [INFO ] After 771ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-24 16:07:16] [INFO ] After 972ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 181 ms.
[2023-03-24 16:07:17] [INFO ] After 1758ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Finished Parikh walk after 98 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=49 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 197 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 79 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 92 ms :[true, p0, p0]
Product exploration explored 100000 steps with 3717 reset in 269 ms.
Product exploration explored 100000 steps with 3716 reset in 278 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 93 ms :[true, p0, p0]
Support contains 24 out of 1894 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1894/1894 places, 356/356 transitions.
Graph (complete) has 14749 edges and 1894 vertex of which 1341 are kept as prefixes of interest. Removing 553 places using SCC suffix rule.8 ms
Discarding 553 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 46 place count 1296 transition count 264
Iterating global reduction 0 with 45 rules applied. Total rules applied 91 place count 1296 transition count 264
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 1 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 93 place count 1296 transition count 266
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 93 rules in 141 ms. Remains 1296 /1894 variables (removed 598) and now considering 266/356 (removed 90) transitions.
[2023-03-24 16:07:18] [INFO ] Redundant transitions in 24 ms returned []
// Phase 1: matrix 266 rows 1296 cols
[2023-03-24 16:07:18] [INFO ] Computed 1034 place invariants in 7 ms
[2023-03-24 16:07:18] [INFO ] Dead Transitions using invariants and state equation in 489 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1296/1894 places, 266/356 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 668 ms. Remains : 1296/1894 places, 266/356 transitions.
Support contains 24 out of 1894 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1894/1894 places, 356/356 transitions.
Applied a total of 0 rules in 63 ms. Remains 1894 /1894 variables (removed 0) and now considering 356/356 (removed 0) transitions.
// Phase 1: matrix 356 rows 1894 cols
[2023-03-24 16:07:18] [INFO ] Computed 1540 place invariants in 20 ms
[2023-03-24 16:07:21] [INFO ] Implicit Places using invariants in 2395 ms returned []
[2023-03-24 16:07:21] [INFO ] Invariant cache hit.
[2023-03-24 16:07:25] [INFO ] Implicit Places using invariants and state equation in 4063 ms returned []
Implicit Place search using SMT with State Equation took 6462 ms to find 0 implicit places.
[2023-03-24 16:07:25] [INFO ] Invariant cache hit.
[2023-03-24 16:07:26] [INFO ] Dead Transitions using invariants and state equation in 738 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7265 ms. Remains : 1894/1894 places, 356/356 transitions.
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-10 finished in 35867 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Applied a total of 0 rules in 72 ms. Remains 1916 /1916 variables (removed 0) and now considering 356/356 (removed 0) transitions.
// Phase 1: matrix 356 rows 1916 cols
[2023-03-24 16:07:26] [INFO ] Computed 1562 place invariants in 23 ms
[2023-03-24 16:07:28] [INFO ] Implicit Places using invariants in 2499 ms returned []
[2023-03-24 16:07:28] [INFO ] Invariant cache hit.
[2023-03-24 16:07:32] [INFO ] Implicit Places using invariants and state equation in 4164 ms returned [1155, 1156, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1181, 1183, 1184, 1185, 1186]
Discarding 23 places :
Implicit Place search using SMT with State Equation took 6668 ms to find 23 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1893/1916 places, 356/356 transitions.
Applied a total of 0 rules in 71 ms. Remains 1893 /1893 variables (removed 0) and now considering 356/356 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 6812 ms. Remains : 1893/1916 places, 356/356 transitions.
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s31 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Stuttering criterion allowed to conclude after 27 steps with 0 reset in 0 ms.
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-11 finished in 6918 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G((p1&&(p1 U (p2 U p3))))))'
Support contains 5 out of 1916 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Graph (complete) has 15277 edges and 1916 vertex of which 1892 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.4 ms
Discarding 24 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
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 0 with 2 rules applied. Total rules applied 3 place count 1891 transition count 353
Applied a total of 3 rules in 152 ms. Remains 1891 /1916 variables (removed 25) and now considering 353/356 (removed 3) transitions.
// Phase 1: matrix 353 rows 1891 cols
[2023-03-24 16:07:33] [INFO ] Computed 1540 place invariants in 18 ms
[2023-03-24 16:07:35] [INFO ] Implicit Places using invariants in 2418 ms returned []
[2023-03-24 16:07:35] [INFO ] Invariant cache hit.
[2023-03-24 16:07:39] [INFO ] Implicit Places using invariants and state equation in 3939 ms returned [1153, 1154, 1161, 1162, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1179, 1181, 1182, 1183, 1184]
Discarding 23 places :
Implicit Place search using SMT with State Equation took 6360 ms to find 23 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1868/1916 places, 353/356 transitions.
Applied a total of 0 rules in 75 ms. Remains 1868 /1868 variables (removed 0) and now considering 353/353 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 6587 ms. Remains : 1868/1916 places, 353/356 transitions.
Stuttering acceptance computed with spot in 349 ms :[(OR (NOT p1) (NOT p3)), true, (NOT p3), (OR (NOT p3) (NOT p1)), (NOT p3), (NOT p3), (NOT p3), (AND p1 (NOT p3) (NOT p2))]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND p1 p0), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p3) (NOT p0)), acceptance={} source=0 dest: 2}, { cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 3}, { cond=(AND p1 (NOT p3) p0), acceptance={0} source=0 dest: 4}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p3) (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND p1 (NOT p3)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p3) p2), acceptance={} source=2 dest: 5}], [{ cond=(NOT p1), acceptance={} source=3 dest: 1}, { cond=(AND p1 (NOT p3)), acceptance={} source=3 dest: 2}, { cond=p1, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p3) (NOT p2) p0), acceptance={0} source=4 dest: 0}, { cond=(AND (NOT p1) (NOT p3) (NOT p2) (NOT p0)), acceptance={} source=4 dest: 1}, { cond=(AND p1 (NOT p3) (NOT p0)), acceptance={} source=4 dest: 2}, { cond=(AND p1 (NOT p3) p0), acceptance={0} source=4 dest: 4}, { cond=(AND (NOT p1) (NOT p3) p2 (NOT p0)), acceptance={} source=4 dest: 5}, { cond=(AND (NOT p1) (NOT p3) p2 p0), acceptance={0} source=4 dest: 6}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={} source=5 dest: 1}, { cond=(AND (NOT p3) p2), acceptance={0} source=5 dest: 5}], [{ cond=(AND p1 (NOT p3) (NOT p2) p0), acceptance={} source=6 dest: 0}, { cond=(AND (NOT p1) (NOT p3) (NOT p2) p0), acceptance={0} source=6 dest: 0}, { cond=(AND (NOT p1) (NOT p3) (NOT p2) (NOT p0)), acceptance={} source=6 dest: 1}, { cond=(AND p1 (NOT p3) (NOT p0)), acceptance={} source=6 dest: 2}, { cond=(AND p1 (NOT p3) (NOT p2) (NOT p0)), acceptance={} source=6 dest: 3}, { cond=(AND p1 (NOT p3) p0), acceptance={0} source=6 dest: 4}, { cond=(AND (NOT p1) (NOT p3) p2 (NOT p0)), acceptance={} source=6 dest: 5}, { cond=(AND p1 (NOT p3) p2 p0), acceptance={} source=6 dest: 6}, { cond=(AND (NOT p1) (NOT p3) p2 p0), acceptance={0} source=6 dest: 6}, { cond=(AND p1 (NOT p3) p2 (NOT p0)), acceptance={} source=6 dest: 7}], [{ cond=(AND p1 (NOT p3) (NOT p2)), acceptance={} source=7 dest: 3}, { cond=(AND p1 (NOT p3) p2), acceptance={} source=7 dest: 7}]], initial=0, aps=[p1:(GEQ s155 1), p0:(GEQ s1866 1), p3:(AND (GEQ s0 1) (GEQ s19 1)), p2:(AND (GEQ s0 1) (GEQ s118 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null, null, null, null][true, true, true, true, true, true, true, true]]
Entered a terminal (fully accepting) state of product in 14 steps with 0 reset in 1 ms.
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-12 finished in 6965 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 24 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Applied a total of 0 rules in 70 ms. Remains 1916 /1916 variables (removed 0) and now considering 356/356 (removed 0) transitions.
// Phase 1: matrix 356 rows 1916 cols
[2023-03-24 16:07:40] [INFO ] Computed 1562 place invariants in 20 ms
[2023-03-24 16:07:42] [INFO ] Implicit Places using invariants in 2454 ms returned []
[2023-03-24 16:07:42] [INFO ] Invariant cache hit.
[2023-03-24 16:07:46] [INFO ] Implicit Places using invariants and state equation in 3650 ms returned [1155, 1156, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1181, 1183, 1184, 1185, 1186]
Discarding 23 places :
Implicit Place search using SMT with State Equation took 6110 ms to find 23 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1893/1916 places, 356/356 transitions.
Applied a total of 0 rules in 68 ms. Remains 1893 /1893 variables (removed 0) and now considering 356/356 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 6250 ms. Remains : 1893/1916 places, 356/356 transitions.
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (GEQ s65 1) (GEQ s1243 1) (GEQ s1263 1) (GEQ s1287 1) (GEQ s1309 1) (GEQ s1324 1) (GEQ s1350 1) (GEQ s1368 1) (GEQ s1376 1) (GEQ s1393 1) (GEQ s14...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 28 steps with 0 reset in 1 ms.
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-13 finished in 6384 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Support contains 48 out of 1916 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Graph (complete) has 15277 edges and 1916 vertex of which 1387 are kept as prefixes of interest. Removing 529 places using SCC suffix rule.6 ms
Discarding 529 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 46 place count 1341 transition count 265
Iterating global reduction 0 with 45 rules applied. Total rules applied 91 place count 1341 transition count 265
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 93 place count 1341 transition count 265
Applied a total of 93 rules in 134 ms. Remains 1341 /1916 variables (removed 575) and now considering 265/356 (removed 91) transitions.
// Phase 1: matrix 265 rows 1341 cols
[2023-03-24 16:07:46] [INFO ] Computed 1078 place invariants in 6 ms
[2023-03-24 16:07:48] [INFO ] Implicit Places using invariants in 1471 ms returned []
[2023-03-24 16:07:48] [INFO ] Invariant cache hit.
[2023-03-24 16:07:50] [INFO ] Implicit Places using invariants and state equation in 2409 ms returned [581, 582, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 607, 609, 610, 611, 612, 1277, 1281, 1282, 1283, 1284, 1285, 1286, 1287, 1288, 1289, 1290, 1291, 1292, 1293, 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1301, 1302]
Discarding 46 places :
Implicit Place search using SMT with State Equation took 3882 ms to find 46 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1295/1916 places, 265/356 transitions.
Applied a total of 0 rules in 51 ms. Remains 1295 /1295 variables (removed 0) and now considering 265/265 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4068 ms. Remains : 1295/1916 places, 265/356 transitions.
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(AND p0 p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s112 1) (GEQ s1182 1) (GEQ s1183 1) (GEQ s1190 1) (GEQ s1191 1) (GEQ s1192 1) (GEQ s1193 1) (GEQ s1194 1) (GEQ s1195 1) (GEQ s1196 1) (GEQ s1...], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 28 steps with 0 reset in 1 ms.
FORMULA QuasiCertifProtocol-PT-22-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-15 finished in 4128 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Found a Lengthening insensitive property : QuasiCertifProtocol-PT-22-LTLFireability-03
Stuttering acceptance computed with spot in 77 ms :[true, (NOT p0), (NOT p0)]
Support contains 576 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Graph (complete) has 15277 edges and 1916 vertex of which 1892 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.6 ms
Discarding 24 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Reduce places removed 1 places and 1 transitions.
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 0 with 4 rules applied. Total rules applied 5 place count 1889 transition count 351
Applied a total of 5 rules in 94 ms. Remains 1889 /1916 variables (removed 27) and now considering 351/356 (removed 5) transitions.
// Phase 1: matrix 351 rows 1889 cols
[2023-03-24 16:07:50] [INFO ] Computed 1540 place invariants in 19 ms
[2023-03-24 16:07:52] [INFO ] Implicit Places using invariants in 1792 ms returned []
[2023-03-24 16:07:52] [INFO ] Invariant cache hit.
[2023-03-24 16:07:55] [INFO ] Implicit Places using invariants and state equation in 2949 ms returned [1848, 1852, 1853, 1854, 1855, 1856, 1857, 1858, 1859, 1860, 1861, 1862, 1863, 1864, 1865, 1866, 1867, 1868, 1869, 1870, 1871, 1872, 1873]
Discarding 23 places :
Implicit Place search using SMT with State Equation took 4744 ms to find 23 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 1866/1916 places, 351/356 transitions.
Applied a total of 0 rules in 48 ms. Remains 1866 /1866 variables (removed 0) and now considering 351/351 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 4886 ms. Remains : 1866/1916 places, 351/356 transitions.
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (OR (LT s0 1) (LT s84 1)) (OR (LT s0 1) (LT s85 1)) (OR (LT s0 1) (LT s82 1)) (OR (LT s0 1) (LT s83 1)) (OR (LT s0 1) (LT s80 1)) (OR (LT s0 1...], 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, sl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 3476 reset in 605 ms.
Product exploration explored 100000 steps with 3471 reset in 628 ms.
Computed a total of 1866 stabilizing places and 351 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1866 transition count 351
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), true, (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 176 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 349 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1393900 steps, run timeout after 3001 ms. (steps per millisecond=464 ) properties seen :{}
Probabilistic random walk after 1393900 steps, saw 193210 distinct states, run finished after 3001 ms. (steps per millisecond=464 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 351 rows 1866 cols
[2023-03-24 16:08:00] [INFO ] Computed 1518 place invariants in 29 ms
[2023-03-24 16:08:01] [INFO ] [Real]Absence check using 0 positive and 1518 generalized place invariants in 319 ms returned sat
[2023-03-24 16:08:02] [INFO ] After 1739ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-24 16:08:03] [INFO ] [Nat]Absence check using 0 positive and 1518 generalized place invariants in 319 ms returned sat
[2023-03-24 16:08:04] [INFO ] After 1186ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-24 16:08:05] [INFO ] After 1917ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1401 ms.
[2023-03-24 16:08:06] [INFO ] After 3916ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 49 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=49 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [p0, (X p0), true, (X (X p0)), (F (G p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 5 factoid took 188 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 78 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 84 ms :[true, (NOT p0), (NOT p0)]
Support contains 576 out of 1866 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1866/1866 places, 351/351 transitions.
Applied a total of 0 rules in 37 ms. Remains 1866 /1866 variables (removed 0) and now considering 351/351 (removed 0) transitions.
[2023-03-24 16:08:06] [INFO ] Invariant cache hit.
[2023-03-24 16:08:08] [INFO ] Implicit Places using invariants in 1812 ms returned []
[2023-03-24 16:08:08] [INFO ] Invariant cache hit.
[2023-03-24 16:08:11] [INFO ] Implicit Places using invariants and state equation in 2698 ms returned []
Implicit Place search using SMT with State Equation took 4513 ms to find 0 implicit places.
[2023-03-24 16:08:11] [INFO ] Invariant cache hit.
[2023-03-24 16:08:12] [INFO ] Dead Transitions using invariants and state equation in 737 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5288 ms. Remains : 1866/1866 places, 351/351 transitions.
Computed a total of 1866 stabilizing places and 351 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1866 transition count 351
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), true, (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 172 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 95 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 346 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 138 ms. (steps per millisecond=72 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1411588 steps, run timeout after 3001 ms. (steps per millisecond=470 ) properties seen :{}
Probabilistic random walk after 1411588 steps, saw 195567 distinct states, run finished after 3001 ms. (steps per millisecond=470 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-24 16:08:15] [INFO ] Invariant cache hit.
[2023-03-24 16:08:16] [INFO ] [Real]Absence check using 0 positive and 1518 generalized place invariants in 325 ms returned sat
[2023-03-24 16:08:17] [INFO ] After 1843ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-24 16:08:18] [INFO ] [Nat]Absence check using 0 positive and 1518 generalized place invariants in 319 ms returned sat
[2023-03-24 16:08:19] [INFO ] After 1112ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-24 16:08:20] [INFO ] After 1802ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 959 ms.
[2023-03-24 16:08:21] [INFO ] After 3368ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 49 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=49 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [p0, (X p0), true, (X (X p0)), (F (G p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 5 factoid took 202 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 74 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 87 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 90 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3476 reset in 612 ms.
Product exploration explored 100000 steps with 3471 reset in 637 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 97 ms :[true, (NOT p0), (NOT p0)]
Support contains 576 out of 1866 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1866/1866 places, 351/351 transitions.
Applied a total of 0 rules in 50 ms. Remains 1866 /1866 variables (removed 0) and now considering 351/351 (removed 0) transitions.
[2023-03-24 16:08:23] [INFO ] Redundant transitions in 26 ms returned []
[2023-03-24 16:08:23] [INFO ] Invariant cache hit.
[2023-03-24 16:08:23] [INFO ] Dead Transitions using invariants and state equation in 736 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 823 ms. Remains : 1866/1866 places, 351/351 transitions.
Support contains 576 out of 1866 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1866/1866 places, 351/351 transitions.
Applied a total of 0 rules in 28 ms. Remains 1866 /1866 variables (removed 0) and now considering 351/351 (removed 0) transitions.
[2023-03-24 16:08:23] [INFO ] Invariant cache hit.
[2023-03-24 16:08:25] [INFO ] Implicit Places using invariants in 1833 ms returned []
[2023-03-24 16:08:25] [INFO ] Invariant cache hit.
[2023-03-24 16:08:28] [INFO ] Implicit Places using invariants and state equation in 2856 ms returned []
Implicit Place search using SMT with State Equation took 4690 ms to find 0 implicit places.
[2023-03-24 16:08:28] [INFO ] Invariant cache hit.
[2023-03-24 16:08:29] [INFO ] Dead Transitions using invariants and state equation in 746 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5466 ms. Remains : 1866/1866 places, 351/351 transitions.
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-03 finished in 38756 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(!p0)))'
Found a Lengthening insensitive property : QuasiCertifProtocol-PT-22-LTLFireability-04
Stuttering acceptance computed with spot in 82 ms :[true, p0, p0]
Support contains 1 out of 1916 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1916/1916 places, 356/356 transitions.
Graph (complete) has 15277 edges and 1916 vertex of which 1363 are kept as prefixes of interest. Removing 553 places using SCC suffix rule.6 ms
Discarding 553 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 46 place count 1317 transition count 263
Iterating global reduction 0 with 45 rules applied. Total rules applied 91 place count 1317 transition count 263
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 93 place count 1316 transition count 262
Applied a total of 93 rules in 131 ms. Remains 1316 /1916 variables (removed 600) and now considering 262/356 (removed 94) transitions.
// Phase 1: matrix 262 rows 1316 cols
[2023-03-24 16:08:29] [INFO ] Computed 1056 place invariants in 14 ms
[2023-03-24 16:08:31] [INFO ] Implicit Places using invariants in 1468 ms returned []
[2023-03-24 16:08:31] [INFO ] Invariant cache hit.
[2023-03-24 16:08:33] [INFO ] Implicit Places using invariants and state equation in 2507 ms returned [579, 580, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 605, 607, 608, 609, 610, 1275, 1279, 1280, 1281, 1282, 1283, 1284, 1285, 1286, 1287, 1288, 1289, 1290, 1291, 1292, 1293, 1294, 1295, 1296, 1297, 1298, 1299, 1300]
Discarding 46 places :
Implicit Place search using SMT with State Equation took 3978 ms to find 46 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 1270/1916 places, 262/356 transitions.
Applied a total of 0 rules in 45 ms. Remains 1270 /1270 variables (removed 0) and now considering 262/262 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 4156 ms. Remains : 1270/1916 places, 262/356 transitions.
Running random walk in product with property : QuasiCertifProtocol-PT-22-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s110 1)], 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, sl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 3474 reset in 288 ms.
Product exploration explored 100000 steps with 3469 reset in 313 ms.
Computed a total of 1270 stabilizing places and 262 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1270 transition count 262
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 176 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[true, p0, p0]
Incomplete random walk after 10000 steps, including 349 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2056994 steps, run timeout after 3001 ms. (steps per millisecond=685 ) properties seen :{}
Probabilistic random walk after 2056994 steps, saw 285254 distinct states, run finished after 3001 ms. (steps per millisecond=685 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 262 rows 1270 cols
[2023-03-24 16:08:37] [INFO ] Computed 1012 place invariants in 16 ms
[2023-03-24 16:08:38] [INFO ] [Real]Absence check using 0 positive and 1012 generalized place invariants in 200 ms returned sat
[2023-03-24 16:08:38] [INFO ] After 342ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-24 16:08:38] [INFO ] After 390ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 37 ms.
[2023-03-24 16:08:38] [INFO ] After 811ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Finished Parikh walk after 48 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=24 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 226 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 81 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 77 ms :[true, p0, p0]
Support contains 1 out of 1270 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1270/1270 places, 262/262 transitions.
Applied a total of 0 rules in 35 ms. Remains 1270 /1270 variables (removed 0) and now considering 262/262 (removed 0) transitions.
[2023-03-24 16:08:39] [INFO ] Invariant cache hit.
[2023-03-24 16:08:40] [INFO ] Implicit Places using invariants in 1378 ms returned []
[2023-03-24 16:08:40] [INFO ] Invariant cache hit.
[2023-03-24 16:08:42] [INFO ] Implicit Places using invariants and state equation in 2483 ms returned []
Implicit Place search using SMT with State Equation took 3865 ms to find 0 implicit places.
[2023-03-24 16:08:42] [INFO ] Invariant cache hit.
[2023-03-24 16:08:43] [INFO ] Dead Transitions using invariants and state equation in 472 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4375 ms. Remains : 1270/1270 places, 262/262 transitions.
Computed a total of 1270 stabilizing places and 262 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1270 transition count 262
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 203 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 85 ms :[true, p0, p0]
Incomplete random walk after 10000 steps, including 347 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2075145 steps, run timeout after 3001 ms. (steps per millisecond=691 ) properties seen :{}
Probabilistic random walk after 2075145 steps, saw 287467 distinct states, run finished after 3001 ms. (steps per millisecond=691 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-24 16:08:47] [INFO ] Invariant cache hit.
[2023-03-24 16:08:47] [INFO ] [Real]Absence check using 0 positive and 1012 generalized place invariants in 204 ms returned sat
[2023-03-24 16:08:47] [INFO ] After 336ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-24 16:08:47] [INFO ] After 384ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 30 ms.
[2023-03-24 16:08:47] [INFO ] After 806ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Finished Parikh walk after 48 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=24 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), true, (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 5 factoid took 209 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 93 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 71 ms :[true, p0, p0]
Stuttering acceptance computed with spot in 87 ms :[true, p0, p0]
Product exploration explored 100000 steps with 3470 reset in 290 ms.
Product exploration explored 100000 steps with 3474 reset in 302 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 103 ms :[true, p0, p0]
Support contains 1 out of 1270 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1270/1270 places, 262/262 transitions.
Applied a total of 0 rules in 43 ms. Remains 1270 /1270 variables (removed 0) and now considering 262/262 (removed 0) transitions.
[2023-03-24 16:08:49] [INFO ] Redundant transitions in 17 ms returned []
[2023-03-24 16:08:49] [INFO ] Invariant cache hit.
[2023-03-24 16:08:49] [INFO ] Dead Transitions using invariants and state equation in 479 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 551 ms. Remains : 1270/1270 places, 262/262 transitions.
Support contains 1 out of 1270 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1270/1270 places, 262/262 transitions.
Applied a total of 0 rules in 33 ms. Remains 1270 /1270 variables (removed 0) and now considering 262/262 (removed 0) transitions.
[2023-03-24 16:08:49] [INFO ] Invariant cache hit.
[2023-03-24 16:08:50] [INFO ] Implicit Places using invariants in 1297 ms returned []
[2023-03-24 16:08:50] [INFO ] Invariant cache hit.
[2023-03-24 16:08:53] [INFO ] Implicit Places using invariants and state equation in 2617 ms returned []
Implicit Place search using SMT with State Equation took 3916 ms to find 0 implicit places.
[2023-03-24 16:08:53] [INFO ] Invariant cache hit.
[2023-03-24 16:08:54] [INFO ] Dead Transitions using invariants and state equation in 492 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4442 ms. Remains : 1270/1270 places, 262/262 transitions.
Treatment of property QuasiCertifProtocol-PT-22-LTLFireability-04 finished in 24724 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(!p0 U X(X(p0)))||X(X(p1))))'
[2023-03-24 16:08:54] [INFO ] Flatten gal took : 67 ms
[2023-03-24 16:08:54] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2023-03-24 16:08:54] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1916 places, 356 transitions and 4110 arcs took 5 ms.
Total runtime 241978 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1787/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1787/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1787/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : QuasiCertifProtocol-PT-22-LTLFireability-03
Could not compute solution for formula : QuasiCertifProtocol-PT-22-LTLFireability-04
Could not compute solution for formula : QuasiCertifProtocol-PT-22-LTLFireability-10

BK_STOP 1679674608523

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name QuasiCertifProtocol-PT-22-LTLFireability-03
ltl formula formula --ltl=/tmp/1787/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1916 places, 356 transitions and 4110 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.050 real 0.020 user 0.000 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1787/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1787/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1787/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1787/ltl_0_
ltl formula name QuasiCertifProtocol-PT-22-LTLFireability-04
ltl formula formula --ltl=/tmp/1787/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1916 places, 356 transitions and 4110 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.040 real 0.000 user 0.020 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1787/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1787/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1787/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1787/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 3 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name QuasiCertifProtocol-PT-22-LTLFireability-10
ltl formula formula --ltl=/tmp/1787/ltl_2_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1916 places, 356 transitions and 4110 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.050 real 0.020 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1787/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1787/ltl_2_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1787/ltl_2_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1787/ltl_2_
pnml2lts-mc( 0/ 4): buchi has 9 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:

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="QuasiCertifProtocol-PT-22"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is QuasiCertifProtocol-PT-22, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r297-tall-167873951100892"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-PT-22.tgz
mv QuasiCertifProtocol-PT-22 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;