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.r295-tall-167873948000499.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 lolaxred
Input is PolyORBLF-PT-S02J04T08, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r295-tall-167873948000499
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 15K Feb 26 13:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 104K Feb 26 13:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 22K Feb 26 13:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 128K Feb 26 13:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 9.4K Feb 25 16:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 41K Feb 25 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 16:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 16:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 42K Feb 26 13:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 235K Feb 26 13:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 63K Feb 26 13:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 346K Feb 26 13:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 16:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.1K Feb 25 16:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 717K 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 PolyORBLF-PT-S02J04T08-LTLCardinality-00
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-01
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-02
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-03
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-04
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-05
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-06
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-07
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-08
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-09
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-10
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-11
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-12
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-13
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-14
FORMULA_NAME PolyORBLF-PT-S02J04T08-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678851652919

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=lolaxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-PT-S02J04T08
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 03:40:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-15 03:40:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 03:40:54] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2023-03-15 03:40:54] [INFO ] Transformed 614 places.
[2023-03-15 03:40:54] [INFO ] Transformed 1242 transitions.
[2023-03-15 03:40:54] [INFO ] Parsed PT model containing 614 places and 1242 transitions and 5732 arcs in 170 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 7 formulas.
Ensure Unique test removed 128 transitions
Reduce redundant transitions removed 128 transitions.
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 65 out of 614 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 614/614 places, 1114/1114 transitions.
Ensure Unique test removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 612 transition count 1114
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 10 place count 604 transition count 1106
Iterating global reduction 1 with 8 rules applied. Total rules applied 18 place count 604 transition count 1106
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 25 place count 597 transition count 1099
Iterating global reduction 1 with 7 rules applied. Total rules applied 32 place count 597 transition count 1099
Applied a total of 32 rules in 111 ms. Remains 597 /614 variables (removed 17) and now considering 1099/1114 (removed 15) transitions.
[2023-03-15 03:40:55] [INFO ] Flow matrix only has 1083 transitions (discarded 16 similar events)
// Phase 1: matrix 1083 rows 597 cols
[2023-03-15 03:40:55] [INFO ] Computed 48 place invariants in 48 ms
[2023-03-15 03:40:56] [INFO ] Dead Transitions using invariants and state equation in 1290 ms found 88 transitions.
Found 88 dead transitions using SMT.
Drop transitions removed 88 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 88 transitions.
[2023-03-15 03:40:56] [INFO ] Flow matrix only has 995 transitions (discarded 16 similar events)
// Phase 1: matrix 995 rows 597 cols
[2023-03-15 03:40:56] [INFO ] Computed 48 place invariants in 29 ms
[2023-03-15 03:40:56] [INFO ] Implicit Places using invariants in 472 ms returned [108, 181, 288, 300, 421, 488, 517, 529]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 477 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 589/614 places, 1011/1114 transitions.
Reduce places removed 2 places and 16 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 587 transition count 995
Reduce places removed 16 places and 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 18 place count 571 transition count 979
Applied a total of 18 rules in 15 ms. Remains 571 /589 variables (removed 18) and now considering 979/1011 (removed 32) transitions.
[2023-03-15 03:40:56] [INFO ] Flow matrix only has 963 transitions (discarded 16 similar events)
// Phase 1: matrix 963 rows 571 cols
[2023-03-15 03:40:56] [INFO ] Computed 40 place invariants in 16 ms
[2023-03-15 03:40:57] [INFO ] Implicit Places using invariants in 440 ms returned []
[2023-03-15 03:40:57] [INFO ] Flow matrix only has 963 transitions (discarded 16 similar events)
[2023-03-15 03:40:57] [INFO ] Invariant cache hit.
[2023-03-15 03:40:57] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:41:02] [INFO ] Implicit Places using invariants and state equation in 5372 ms returned []
Implicit Place search using SMT with State Equation took 5820 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 571/614 places, 979/1114 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 7967 ms. Remains : 571/614 places, 979/1114 transitions.
Support contains 65 out of 571 places after structural reductions.
[2023-03-15 03:41:02] [INFO ] Flatten gal took : 104 ms
[2023-03-15 03:41:02] [INFO ] Flatten gal took : 60 ms
[2023-03-15 03:41:03] [INFO ] Input system was already deterministic with 979 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 400 ms. (steps per millisecond=25 ) properties (out of 20) seen :13
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 7) seen :0
Running SMT prover for 7 properties.
[2023-03-15 03:41:04] [INFO ] Flow matrix only has 963 transitions (discarded 16 similar events)
[2023-03-15 03:41:04] [INFO ] Invariant cache hit.
[2023-03-15 03:41:04] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2023-03-15 03:41:04] [INFO ] [Real]Absence check using 14 positive and 26 generalized place invariants in 22 ms returned sat
[2023-03-15 03:41:04] [INFO ] After 182ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:5
[2023-03-15 03:41:04] [INFO ] [Nat]Absence check using 14 positive place invariants in 6 ms returned sat
[2023-03-15 03:41:04] [INFO ] [Nat]Absence check using 14 positive and 26 generalized place invariants in 21 ms returned sat
[2023-03-15 03:41:04] [INFO ] After 166ms SMT Verify possible using all constraints in natural domain returned unsat :7 sat :0
Fused 7 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
Successfully simplified 7 atomic propositions for a total of 9 simplifications.
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-08 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(X(F(p0))))'
Support contains 8 out of 571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 571/571 places, 979/979 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 570 transition count 978
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 570 transition count 978
Applied a total of 2 rules in 14 ms. Remains 570 /571 variables (removed 1) and now considering 978/979 (removed 1) transitions.
[2023-03-15 03:41:04] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
// Phase 1: matrix 962 rows 570 cols
[2023-03-15 03:41:04] [INFO ] Computed 40 place invariants in 11 ms
[2023-03-15 03:41:05] [INFO ] Dead Transitions using invariants and state equation in 863 ms found 0 transitions.
[2023-03-15 03:41:05] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:05] [INFO ] Invariant cache hit.
[2023-03-15 03:41:06] [INFO ] Implicit Places using invariants in 437 ms returned []
[2023-03-15 03:41:06] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:06] [INFO ] Invariant cache hit.
[2023-03-15 03:41:06] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:41:12] [INFO ] Implicit Places using invariants and state equation in 6477 ms returned []
Implicit Place search using SMT with State Equation took 6917 ms to find 0 implicit places.
[2023-03-15 03:41:12] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:12] [INFO ] Invariant cache hit.
[2023-03-15 03:41:13] [INFO ] Dead Transitions using invariants and state equation in 868 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 570/571 places, 978/979 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8664 ms. Remains : 570/571 places, 978/979 transitions.
Stuttering acceptance computed with spot in 242 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J04T08-LTLCardinality-04 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:(LEQ 1 (ADD s32 s41 s141 s236 s298 s489 s559 s569))], 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]]
Product exploration explored 100000 steps with 2727 reset in 410 ms.
Product exploration explored 100000 steps with 2728 reset in 372 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 98 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 39 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=39 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 88 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-15 03:41:14] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:14] [INFO ] Invariant cache hit.
[2023-03-15 03:41:15] [INFO ] [Real]Absence check using 17 positive place invariants in 18 ms returned sat
[2023-03-15 03:41:15] [INFO ] [Real]Absence check using 17 positive and 23 generalized place invariants in 76 ms returned sat
[2023-03-15 03:41:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 03:41:17] [INFO ] [Real]Absence check using state equation in 1644 ms returned sat
[2023-03-15 03:41:17] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 03:41:17] [INFO ] [Nat]Absence check using 17 positive place invariants in 18 ms returned sat
[2023-03-15 03:41:17] [INFO ] [Nat]Absence check using 17 positive and 23 generalized place invariants in 40 ms returned sat
[2023-03-15 03:41:17] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 03:41:19] [INFO ] [Nat]Absence check using state equation in 1413 ms returned sat
[2023-03-15 03:41:19] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:41:19] [INFO ] [Nat]Added 96 Read/Feed constraints in 290 ms returned sat
[2023-03-15 03:41:19] [INFO ] Deduced a trap composed of 62 places in 189 ms of which 4 ms to minimize.
[2023-03-15 03:41:20] [INFO ] Deduced a trap composed of 62 places in 225 ms of which 1 ms to minimize.
[2023-03-15 03:41:20] [INFO ] Deduced a trap composed of 62 places in 228 ms of which 0 ms to minimize.
[2023-03-15 03:41:20] [INFO ] Deduced a trap composed of 29 places in 168 ms of which 2 ms to minimize.
[2023-03-15 03:41:20] [INFO ] Deduced a trap composed of 62 places in 65 ms of which 0 ms to minimize.
[2023-03-15 03:41:20] [INFO ] Deduced a trap composed of 62 places in 45 ms of which 0 ms to minimize.
[2023-03-15 03:41:20] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1334 ms
[2023-03-15 03:41:20] [INFO ] Computed and/alt/rep : 696/2557/688 causal constraints (skipped 272 transitions) in 65 ms.
[2023-03-15 03:41:27] [INFO ] Added : 496 causal constraints over 100 iterations in 7034 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 8 out of 570 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 570/570 places, 978/978 transitions.
Applied a total of 0 rules in 10 ms. Remains 570 /570 variables (removed 0) and now considering 978/978 (removed 0) transitions.
[2023-03-15 03:41:27] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:27] [INFO ] Invariant cache hit.
[2023-03-15 03:41:28] [INFO ] Dead Transitions using invariants and state equation in 881 ms found 0 transitions.
[2023-03-15 03:41:28] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:28] [INFO ] Invariant cache hit.
[2023-03-15 03:41:29] [INFO ] Implicit Places using invariants in 411 ms returned []
[2023-03-15 03:41:29] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:29] [INFO ] Invariant cache hit.
[2023-03-15 03:41:29] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:41:36] [INFO ] Implicit Places using invariants and state equation in 7247 ms returned []
Implicit Place search using SMT with State Equation took 7659 ms to find 0 implicit places.
[2023-03-15 03:41:36] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:36] [INFO ] Invariant cache hit.
[2023-03-15 03:41:37] [INFO ] Dead Transitions using invariants and state equation in 869 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9423 ms. Remains : 570/570 places, 978/978 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 74 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 30 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=15 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 98 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-15 03:41:37] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:37] [INFO ] Invariant cache hit.
[2023-03-15 03:41:38] [INFO ] [Real]Absence check using 17 positive place invariants in 17 ms returned sat
[2023-03-15 03:41:38] [INFO ] [Real]Absence check using 17 positive and 23 generalized place invariants in 86 ms returned sat
[2023-03-15 03:41:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 03:41:40] [INFO ] [Real]Absence check using state equation in 1618 ms returned sat
[2023-03-15 03:41:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 03:41:40] [INFO ] [Nat]Absence check using 17 positive place invariants in 19 ms returned sat
[2023-03-15 03:41:40] [INFO ] [Nat]Absence check using 17 positive and 23 generalized place invariants in 41 ms returned sat
[2023-03-15 03:41:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 03:41:41] [INFO ] [Nat]Absence check using state equation in 1398 ms returned sat
[2023-03-15 03:41:41] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:41:42] [INFO ] [Nat]Added 96 Read/Feed constraints in 292 ms returned sat
[2023-03-15 03:41:42] [INFO ] Deduced a trap composed of 62 places in 183 ms of which 1 ms to minimize.
[2023-03-15 03:41:42] [INFO ] Deduced a trap composed of 62 places in 174 ms of which 0 ms to minimize.
[2023-03-15 03:41:42] [INFO ] Deduced a trap composed of 62 places in 164 ms of which 1 ms to minimize.
[2023-03-15 03:41:43] [INFO ] Deduced a trap composed of 29 places in 165 ms of which 0 ms to minimize.
[2023-03-15 03:41:43] [INFO ] Deduced a trap composed of 62 places in 51 ms of which 1 ms to minimize.
[2023-03-15 03:41:43] [INFO ] Deduced a trap composed of 62 places in 38 ms of which 0 ms to minimize.
[2023-03-15 03:41:43] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 1160 ms
[2023-03-15 03:41:43] [INFO ] Computed and/alt/rep : 696/2557/688 causal constraints (skipped 272 transitions) in 56 ms.
[2023-03-15 03:41:50] [INFO ] Added : 496 causal constraints over 100 iterations in 6897 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2727 reset in 308 ms.
Product exploration explored 100000 steps with 2739 reset in 308 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 8 out of 570 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 570/570 places, 978/978 transitions.
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 570 transition count 978
Performed 70 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 70 Pre rules applied. Total rules applied 50 place count 570 transition count 1050
Deduced a syphon composed of 120 places in 1 ms
Iterating global reduction 1 with 70 rules applied. Total rules applied 120 place count 570 transition count 1050
Discarding 16 places :
Symmetric choice reduction at 1 with 16 rule applications. Total rules 136 place count 554 transition count 1034
Deduced a syphon composed of 104 places in 1 ms
Iterating global reduction 1 with 16 rules applied. Total rules applied 152 place count 554 transition count 1034
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 168 places in 2 ms
Iterating global reduction 1 with 64 rules applied. Total rules applied 216 place count 554 transition count 1034
Discarding 30 places :
Symmetric choice reduction at 1 with 30 rule applications. Total rules 246 place count 524 transition count 1004
Deduced a syphon composed of 144 places in 2 ms
Iterating global reduction 1 with 30 rules applied. Total rules applied 276 place count 524 transition count 1004
Deduced a syphon composed of 144 places in 1 ms
Applied a total of 276 rules in 132 ms. Remains 524 /570 variables (removed 46) and now considering 1004/978 (removed -26) transitions.
[2023-03-15 03:41:51] [INFO ] Flow matrix only has 988 transitions (discarded 16 similar events)
// Phase 1: matrix 988 rows 524 cols
[2023-03-15 03:41:51] [INFO ] Computed 40 place invariants in 14 ms
[2023-03-15 03:41:52] [INFO ] Dead Transitions using invariants and state equation in 752 ms found 0 transitions.
[2023-03-15 03:41:52] [INFO ] Redundant transitions in 61 ms returned []
[2023-03-15 03:41:52] [INFO ] Flow matrix only has 988 transitions (discarded 16 similar events)
[2023-03-15 03:41:52] [INFO ] Invariant cache hit.
[2023-03-15 03:41:52] [INFO ] Dead Transitions using invariants and state equation in 729 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 524/570 places, 1004/978 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1689 ms. Remains : 524/570 places, 1004/978 transitions.
Support contains 8 out of 570 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 570/570 places, 978/978 transitions.
Applied a total of 0 rules in 15 ms. Remains 570 /570 variables (removed 0) and now considering 978/978 (removed 0) transitions.
[2023-03-15 03:41:52] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
// Phase 1: matrix 962 rows 570 cols
[2023-03-15 03:41:52] [INFO ] Computed 40 place invariants in 18 ms
[2023-03-15 03:41:53] [INFO ] Dead Transitions using invariants and state equation in 877 ms found 0 transitions.
[2023-03-15 03:41:53] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:53] [INFO ] Invariant cache hit.
[2023-03-15 03:41:54] [INFO ] Implicit Places using invariants in 434 ms returned []
[2023-03-15 03:41:54] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:41:54] [INFO ] Invariant cache hit.
[2023-03-15 03:41:54] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:00] [INFO ] Implicit Places using invariants and state equation in 6440 ms returned []
Implicit Place search using SMT with State Equation took 6876 ms to find 0 implicit places.
[2023-03-15 03:42:00] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:00] [INFO ] Invariant cache hit.
[2023-03-15 03:42:01] [INFO ] Dead Transitions using invariants and state equation in 876 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8647 ms. Remains : 570/570 places, 978/978 transitions.
Treatment of property PolyORBLF-PT-S02J04T08-LTLCardinality-04 finished in 57055 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||X(X(p1))))))'
Support contains 18 out of 571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 571/571 places, 979/979 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 570 transition count 978
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 570 transition count 978
Applied a total of 2 rules in 23 ms. Remains 570 /571 variables (removed 1) and now considering 978/979 (removed 1) transitions.
[2023-03-15 03:42:01] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:01] [INFO ] Invariant cache hit.
[2023-03-15 03:42:02] [INFO ] Dead Transitions using invariants and state equation in 847 ms found 0 transitions.
[2023-03-15 03:42:02] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:02] [INFO ] Invariant cache hit.
[2023-03-15 03:42:03] [INFO ] Implicit Places using invariants in 399 ms returned []
[2023-03-15 03:42:03] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:03] [INFO ] Invariant cache hit.
[2023-03-15 03:42:03] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:09] [INFO ] Implicit Places using invariants and state equation in 6852 ms returned []
Implicit Place search using SMT with State Equation took 7253 ms to find 0 implicit places.
[2023-03-15 03:42:09] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:09] [INFO ] Invariant cache hit.
[2023-03-15 03:42:10] [INFO ] Dead Transitions using invariants and state equation in 897 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 570/571 places, 978/979 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9024 ms. Remains : 570/571 places, 978/979 transitions.
Stuttering acceptance computed with spot in 261 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PolyORBLF-PT-S02J04T08-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}], [{ cond=(NOT p0), acceptance={} source=3 dest: 2}]], initial=0, aps=[p0:(LEQ s121 s507), p1:(LEQ (ADD s72 s138 s222 s292 s314 s362 s482 s560) (ADD s63 s78 s136 s200 s215 s227 s263 s296))], 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, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 465 ms.
Product exploration explored 100000 steps with 50000 reset in 782 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p1), (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 57 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PolyORBLF-PT-S02J04T08-LTLCardinality-06 finished in 10638 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(p0) U X((p1||G(F(p1))))))'
Support contains 9 out of 571 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 571/571 places, 979/979 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 570 transition count 978
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 570 transition count 978
Applied a total of 2 rules in 20 ms. Remains 570 /571 variables (removed 1) and now considering 978/979 (removed 1) transitions.
[2023-03-15 03:42:12] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:12] [INFO ] Invariant cache hit.
[2023-03-15 03:42:13] [INFO ] Dead Transitions using invariants and state equation in 903 ms found 0 transitions.
[2023-03-15 03:42:13] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:13] [INFO ] Invariant cache hit.
[2023-03-15 03:42:13] [INFO ] Implicit Places using invariants in 420 ms returned []
[2023-03-15 03:42:13] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:13] [INFO ] Invariant cache hit.
[2023-03-15 03:42:14] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:23] [INFO ] Implicit Places using invariants and state equation in 10256 ms returned []
Implicit Place search using SMT with State Equation took 10678 ms to find 0 implicit places.
[2023-03-15 03:42:23] [INFO ] Flow matrix only has 962 transitions (discarded 16 similar events)
[2023-03-15 03:42:23] [INFO ] Invariant cache hit.
[2023-03-15 03:42:24] [INFO ] Dead Transitions using invariants and state equation in 903 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 570/571 places, 978/979 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12507 ms. Remains : 570/571 places, 978/979 transitions.
Stuttering acceptance computed with spot in 251 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S02J04T08-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(NOT p1), acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={} source=2 dest: 5}], [{ cond=(NOT p0), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(LEQ 2 s234), p1:(LEQ 2 (ADD s75 s86 s135 s291 s337 s342 s436 s513))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 95638 steps with 1818 reset in 291 ms.
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T08-LTLCardinality-07 finished in 13071 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||G(p1)))))'
Support contains 4 out of 571 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 571/571 places, 979/979 transitions.
Drop transitions removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 0 with 56 rules applied. Total rules applied 56 place count 571 transition count 923
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 1 with 56 rules applied. Total rules applied 112 place count 515 transition count 923
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 64 Pre rules applied. Total rules applied 112 place count 515 transition count 859
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 240 place count 451 transition count 859
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 368 place count 387 transition count 795
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 374 place count 381 transition count 789
Iterating global reduction 2 with 6 rules applied. Total rules applied 380 place count 381 transition count 789
Applied a total of 380 rules in 65 ms. Remains 381 /571 variables (removed 190) and now considering 789/979 (removed 190) transitions.
[2023-03-15 03:42:25] [INFO ] Flow matrix only has 773 transitions (discarded 16 similar events)
// Phase 1: matrix 773 rows 381 cols
[2023-03-15 03:42:25] [INFO ] Computed 40 place invariants in 15 ms
[2023-03-15 03:42:25] [INFO ] Dead Transitions using invariants and state equation in 460 ms found 0 transitions.
[2023-03-15 03:42:25] [INFO ] Flow matrix only has 773 transitions (discarded 16 similar events)
[2023-03-15 03:42:25] [INFO ] Invariant cache hit.
[2023-03-15 03:42:26] [INFO ] Implicit Places using invariants in 352 ms returned []
[2023-03-15 03:42:26] [INFO ] Flow matrix only has 773 transitions (discarded 16 similar events)
[2023-03-15 03:42:26] [INFO ] Invariant cache hit.
[2023-03-15 03:42:26] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:30] [INFO ] Implicit Places using invariants and state equation in 4227 ms returned []
Implicit Place search using SMT with State Equation took 4581 ms to find 0 implicit places.
[2023-03-15 03:42:30] [INFO ] Redundant transitions in 22 ms returned []
[2023-03-15 03:42:30] [INFO ] Flow matrix only has 773 transitions (discarded 16 similar events)
[2023-03-15 03:42:30] [INFO ] Invariant cache hit.
[2023-03-15 03:42:31] [INFO ] Dead Transitions using invariants and state equation in 483 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 381/571 places, 789/979 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 5623 ms. Remains : 381/571 places, 789/979 transitions.
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PolyORBLF-PT-S02J04T08-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(LEQ s87 s199), p0:(GT s379 s375)], 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 8884 steps with 124 reset in 37 ms.
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T08-LTLCardinality-10 finished in 5760 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(p0)&&F(!p0)))'
Support contains 1 out of 571 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 571/571 places, 979/979 transitions.
Drop transitions removed 55 transitions
Trivial Post-agglo rules discarded 55 transitions
Performed 55 trivial Post agglomeration. Transition count delta: 55
Iterating post reduction 0 with 55 rules applied. Total rules applied 55 place count 571 transition count 924
Reduce places removed 55 places and 0 transitions.
Iterating post reduction 1 with 55 rules applied. Total rules applied 110 place count 516 transition count 924
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 64 Pre rules applied. Total rules applied 110 place count 516 transition count 860
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 238 place count 452 transition count 860
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Deduced a syphon composed of 64 places in 1 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 366 place count 388 transition count 796
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 372 place count 382 transition count 790
Iterating global reduction 2 with 6 rules applied. Total rules applied 378 place count 382 transition count 790
Applied a total of 378 rules in 56 ms. Remains 382 /571 variables (removed 189) and now considering 790/979 (removed 189) transitions.
[2023-03-15 03:42:31] [INFO ] Flow matrix only has 774 transitions (discarded 16 similar events)
// Phase 1: matrix 774 rows 382 cols
[2023-03-15 03:42:31] [INFO ] Computed 40 place invariants in 9 ms
[2023-03-15 03:42:31] [INFO ] Dead Transitions using invariants and state equation in 474 ms found 0 transitions.
[2023-03-15 03:42:31] [INFO ] Flow matrix only has 774 transitions (discarded 16 similar events)
[2023-03-15 03:42:31] [INFO ] Invariant cache hit.
[2023-03-15 03:42:32] [INFO ] Implicit Places using invariants in 351 ms returned []
[2023-03-15 03:42:32] [INFO ] Flow matrix only has 774 transitions (discarded 16 similar events)
[2023-03-15 03:42:32] [INFO ] Invariant cache hit.
[2023-03-15 03:42:32] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:36] [INFO ] Implicit Places using invariants and state equation in 4786 ms returned []
Implicit Place search using SMT with State Equation took 5139 ms to find 0 implicit places.
[2023-03-15 03:42:36] [INFO ] Redundant transitions in 13 ms returned []
[2023-03-15 03:42:36] [INFO ] Flow matrix only has 774 transitions (discarded 16 similar events)
[2023-03-15 03:42:36] [INFO ] Invariant cache hit.
[2023-03-15 03:42:37] [INFO ] Dead Transitions using invariants and state equation in 466 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 382/571 places, 790/979 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6163 ms. Remains : 382/571 places, 790/979 transitions.
Stuttering acceptance computed with spot in 109 ms :[true, p0, (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J04T08-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GT 1 s197)], 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][true, true, true]]
Stuttering criterion allowed to conclude after 2464 steps with 9 reset in 15 ms.
FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T08-LTLCardinality-13 finished in 6306 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))))'
Found a Shortening insensitive property : PolyORBLF-PT-S02J04T08-LTLCardinality-04
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 8 out of 571 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 571/571 places, 979/979 transitions.
Drop transitions removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 0 with 56 rules applied. Total rules applied 56 place count 571 transition count 923
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 1 with 56 rules applied. Total rules applied 112 place count 515 transition count 923
Performed 64 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 64 Pre rules applied. Total rules applied 112 place count 515 transition count 859
Deduced a syphon composed of 64 places in 0 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 2 with 128 rules applied. Total rules applied 240 place count 451 transition count 859
Performed 65 Post agglomeration using F-continuation condition.Transition count delta: 65
Deduced a syphon composed of 65 places in 1 ms
Reduce places removed 65 places and 0 transitions.
Iterating global reduction 2 with 130 rules applied. Total rules applied 370 place count 386 transition count 794
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 376 place count 380 transition count 788
Iterating global reduction 2 with 6 rules applied. Total rules applied 382 place count 380 transition count 788
Applied a total of 382 rules in 44 ms. Remains 380 /571 variables (removed 191) and now considering 788/979 (removed 191) transitions.
[2023-03-15 03:42:37] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
// Phase 1: matrix 772 rows 380 cols
[2023-03-15 03:42:37] [INFO ] Computed 40 place invariants in 17 ms
[2023-03-15 03:42:38] [INFO ] Dead Transitions using invariants and state equation in 491 ms found 0 transitions.
[2023-03-15 03:42:38] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:38] [INFO ] Invariant cache hit.
[2023-03-15 03:42:38] [INFO ] Implicit Places using invariants in 351 ms returned []
[2023-03-15 03:42:38] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:38] [INFO ] Invariant cache hit.
[2023-03-15 03:42:38] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:42] [INFO ] Implicit Places using invariants and state equation in 3789 ms returned []
Implicit Place search using SMT with State Equation took 4146 ms to find 0 implicit places.
[2023-03-15 03:42:42] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:42] [INFO ] Invariant cache hit.
[2023-03-15 03:42:42] [INFO ] Dead Transitions using invariants and state equation in 514 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 380/571 places, 788/979 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 5197 ms. Remains : 380/571 places, 788/979 transitions.
Running random walk in product with property : PolyORBLF-PT-S02J04T08-LTLCardinality-04 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:(LEQ 1 (ADD s25 s28 s98 s157 s202 s321 s373 s379))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 3806 reset in 368 ms.
Product exploration explored 100000 steps with 3825 reset in 356 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 81 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 32 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=16 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 100 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-15 03:42:44] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:44] [INFO ] Invariant cache hit.
[2023-03-15 03:42:44] [INFO ] [Real]Absence check using 15 positive place invariants in 12 ms returned sat
[2023-03-15 03:42:44] [INFO ] [Real]Absence check using 15 positive and 25 generalized place invariants in 48 ms returned sat
[2023-03-15 03:42:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 03:42:45] [INFO ] [Real]Absence check using state equation in 917 ms returned sat
[2023-03-15 03:42:45] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 03:42:45] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2023-03-15 03:42:45] [INFO ] [Nat]Absence check using 15 positive and 25 generalized place invariants in 36 ms returned sat
[2023-03-15 03:42:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 03:42:47] [INFO ] [Nat]Absence check using state equation in 1317 ms returned sat
[2023-03-15 03:42:47] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:47] [INFO ] [Nat]Added 96 Read/Feed constraints in 146 ms returned sat
[2023-03-15 03:42:47] [INFO ] Deduced a trap composed of 39 places in 72 ms of which 0 ms to minimize.
[2023-03-15 03:42:47] [INFO ] Deduced a trap composed of 39 places in 69 ms of which 0 ms to minimize.
[2023-03-15 03:42:47] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 0 ms to minimize.
[2023-03-15 03:42:47] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 0 ms to minimize.
[2023-03-15 03:42:47] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 0 ms to minimize.
[2023-03-15 03:42:48] [INFO ] Deduced a trap composed of 38 places in 47 ms of which 0 ms to minimize.
[2023-03-15 03:42:48] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 828 ms
[2023-03-15 03:42:48] [INFO ] Computed and/alt/rep : 348/1233/340 causal constraints (skipped 430 transitions) in 42 ms.
[2023-03-15 03:42:49] [INFO ] Added : 115 causal constraints over 23 iterations in 1068 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 380/380 places, 788/788 transitions.
Applied a total of 0 rules in 6 ms. Remains 380 /380 variables (removed 0) and now considering 788/788 (removed 0) transitions.
[2023-03-15 03:42:49] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:49] [INFO ] Invariant cache hit.
[2023-03-15 03:42:49] [INFO ] Dead Transitions using invariants and state equation in 470 ms found 0 transitions.
[2023-03-15 03:42:49] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:49] [INFO ] Invariant cache hit.
[2023-03-15 03:42:49] [INFO ] Implicit Places using invariants in 336 ms returned []
[2023-03-15 03:42:49] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:49] [INFO ] Invariant cache hit.
[2023-03-15 03:42:50] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:53] [INFO ] Implicit Places using invariants and state equation in 3693 ms returned []
Implicit Place search using SMT with State Equation took 4031 ms to find 0 implicit places.
[2023-03-15 03:42:53] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:53] [INFO ] Invariant cache hit.
[2023-03-15 03:42:54] [INFO ] Dead Transitions using invariants and state equation in 486 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4997 ms. Remains : 380/380 places, 788/788 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 76 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 29 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=14 )
Knowledge obtained : [(NOT p0), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 87 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 107 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2023-03-15 03:42:54] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:42:54] [INFO ] Invariant cache hit.
[2023-03-15 03:42:55] [INFO ] [Real]Absence check using 15 positive place invariants in 12 ms returned sat
[2023-03-15 03:42:55] [INFO ] [Real]Absence check using 15 positive and 25 generalized place invariants in 49 ms returned sat
[2023-03-15 03:42:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 03:42:55] [INFO ] [Real]Absence check using state equation in 914 ms returned sat
[2023-03-15 03:42:56] [INFO ] Solution in real domain found non-integer solution.
[2023-03-15 03:42:56] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2023-03-15 03:42:56] [INFO ] [Nat]Absence check using 15 positive and 25 generalized place invariants in 33 ms returned sat
[2023-03-15 03:42:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-15 03:42:57] [INFO ] [Nat]Absence check using state equation in 1293 ms returned sat
[2023-03-15 03:42:57] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:42:57] [INFO ] [Nat]Added 96 Read/Feed constraints in 148 ms returned sat
[2023-03-15 03:42:57] [INFO ] Deduced a trap composed of 39 places in 76 ms of which 0 ms to minimize.
[2023-03-15 03:42:58] [INFO ] Deduced a trap composed of 39 places in 70 ms of which 1 ms to minimize.
[2023-03-15 03:42:58] [INFO ] Deduced a trap composed of 38 places in 62 ms of which 0 ms to minimize.
[2023-03-15 03:42:58] [INFO ] Deduced a trap composed of 38 places in 58 ms of which 1 ms to minimize.
[2023-03-15 03:42:58] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 0 ms to minimize.
[2023-03-15 03:42:58] [INFO ] Deduced a trap composed of 38 places in 39 ms of which 0 ms to minimize.
[2023-03-15 03:42:58] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 825 ms
[2023-03-15 03:42:58] [INFO ] Computed and/alt/rep : 348/1233/340 causal constraints (skipped 430 transitions) in 37 ms.
[2023-03-15 03:42:59] [INFO ] Added : 115 causal constraints over 23 iterations in 1089 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 112 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3785 reset in 339 ms.
Product exploration explored 100000 steps with 3798 reset in 352 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 380/380 places, 788/788 transitions.
Applied a total of 0 rules in 12 ms. Remains 380 /380 variables (removed 0) and now considering 788/788 (removed 0) transitions.
[2023-03-15 03:43:00] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:43:00] [INFO ] Invariant cache hit.
[2023-03-15 03:43:01] [INFO ] Dead Transitions using invariants and state equation in 461 ms found 0 transitions.
[2023-03-15 03:43:01] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-15 03:43:01] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:43:01] [INFO ] Invariant cache hit.
[2023-03-15 03:43:01] [INFO ] Dead Transitions using invariants and state equation in 478 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 965 ms. Remains : 380/380 places, 788/788 transitions.
Support contains 8 out of 380 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 380/380 places, 788/788 transitions.
Applied a total of 0 rules in 4 ms. Remains 380 /380 variables (removed 0) and now considering 788/788 (removed 0) transitions.
[2023-03-15 03:43:01] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:43:01] [INFO ] Invariant cache hit.
[2023-03-15 03:43:02] [INFO ] Dead Transitions using invariants and state equation in 469 ms found 0 transitions.
[2023-03-15 03:43:02] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:43:02] [INFO ] Invariant cache hit.
[2023-03-15 03:43:02] [INFO ] Implicit Places using invariants in 330 ms returned []
[2023-03-15 03:43:02] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:43:02] [INFO ] Invariant cache hit.
[2023-03-15 03:43:02] [INFO ] State equation strengthened by 96 read => feed constraints.
[2023-03-15 03:43:05] [INFO ] Implicit Places using invariants and state equation in 3045 ms returned []
Implicit Place search using SMT with State Equation took 3377 ms to find 0 implicit places.
[2023-03-15 03:43:05] [INFO ] Flow matrix only has 772 transitions (discarded 16 similar events)
[2023-03-15 03:43:05] [INFO ] Invariant cache hit.
[2023-03-15 03:43:06] [INFO ] Dead Transitions using invariants and state equation in 493 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4343 ms. Remains : 380/380 places, 788/788 transitions.
Treatment of property PolyORBLF-PT-S02J04T08-LTLCardinality-04 finished in 28555 ms.
[2023-03-15 03:43:06] [INFO ] Flatten gal took : 48 ms
[2023-03-15 03:43:06] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 1 ms.
[2023-03-15 03:43:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 571 places, 979 transitions and 4156 arcs took 9 ms.
Total runtime 131806 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT PolyORBLF-PT-S02J04T08
BK_EXAMINATION: LTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLCardinality

FORMULA PolyORBLF-PT-S02J04T08-LTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678851787467

--------------------
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 LTLCardinality -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/LTLCardinality.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: NOTDEADLOCKFREE
lola: LAUNCH task # 1 (type EXCL) for 0 PolyORBLF-PT-S02J04T08-LTLCardinality-04
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for PolyORBLF-PT-S02J04T08-LTLCardinality-04
lola: result : true
lola: markings : 44959
lola: fired transitions : 64574
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
PolyORBLF-PT-S02J04T08-LTLCardinality-04: LTL true LTL model checker


Time elapsed: 0 secs. Pages in use: 1

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="PolyORBLF-PT-S02J04T08"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is PolyORBLF-PT-S02J04T08, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r295-tall-167873948000499"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J04T08.tgz
mv PolyORBLF-PT-S02J04T08 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;