Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r168-tall-165277016900611.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 2-4028
Executing tool itstools
Input is PolyORBLF-PT-S02J06T06, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-165277016900611
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 948K
-rw-r--r-- 1 mcc users 12K Apr 29 13:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 29 13:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 17K Apr 29 13:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 104K Apr 29 13:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 11K May 9 08:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K May 9 08:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 9 08:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 35K May 9 08:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 9 08:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.4K May 9 08:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 10 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 601K May 10 09:34 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-S02J06T06-LTLCardinality-00
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-01
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-02
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-03
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-04
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-05
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-06
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-07
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-08
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-09
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-10
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-11
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-12
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-13
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-14
FORMULA_NAME PolyORBLF-PT-S02J06T06-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1652894189522

Running Version 202205111006
[2022-05-18 17:16:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-18 17:16:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-18 17:16:31] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2022-05-18 17:16:31] [INFO ] Transformed 536 places.
[2022-05-18 17:16:31] [INFO ] Transformed 1064 transitions.
[2022-05-18 17:16:31] [INFO ] Parsed PT model containing 536 places and 1064 transitions in 255 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 96 transitions
Reduce redundant transitions removed 96 transitions.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 162 out of 536 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 536/536 places, 968/968 transitions.
Ensure Unique test removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 534 transition count 968
Applied a total of 2 rules in 47 ms. Remains 534 /536 variables (removed 2) and now considering 968/968 (removed 0) transitions.
[2022-05-18 17:16:31] [INFO ] Flow matrix only has 956 transitions (discarded 12 similar events)
// Phase 1: matrix 956 rows 534 cols
[2022-05-18 17:16:31] [INFO ] Computed 48 place invariants in 58 ms
[2022-05-18 17:16:32] [INFO ] Dead Transitions using invariants and state equation in 1222 ms found 66 transitions.
Found 66 dead transitions using SMT.
Drop transitions removed 66 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 66 transitions.
[2022-05-18 17:16:32] [INFO ] Flow matrix only has 890 transitions (discarded 12 similar events)
// Phase 1: matrix 890 rows 534 cols
[2022-05-18 17:16:32] [INFO ] Computed 48 place invariants in 17 ms
[2022-05-18 17:16:33] [INFO ] Implicit Places using invariants in 430 ms returned [96, 111, 241, 254, 307, 495]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 434 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 528/536 places, 902/968 transitions.
Reduce places removed 1 places and 12 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 527 transition count 890
Reduce places removed 12 places and 12 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 13 place count 515 transition count 878
Deduced a syphon composed of 1 places in 3 ms
Applied a total of 13 rules in 29 ms. Remains 515 /528 variables (removed 13) and now considering 878/902 (removed 24) transitions.
[2022-05-18 17:16:33] [INFO ] Flow matrix only has 866 transitions (discarded 12 similar events)
// Phase 1: matrix 866 rows 515 cols
[2022-05-18 17:16:33] [INFO ] Computed 43 place invariants in 18 ms
[2022-05-18 17:16:33] [INFO ] Implicit Places using invariants in 393 ms returned []
[2022-05-18 17:16:33] [INFO ] Flow matrix only has 866 transitions (discarded 12 similar events)
// Phase 1: matrix 866 rows 515 cols
[2022-05-18 17:16:33] [INFO ] Computed 43 place invariants in 27 ms
[2022-05-18 17:16:34] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:16:42] [INFO ] Implicit Places using invariants and state equation in 8382 ms returned []
Implicit Place search using SMT with State Equation took 8779 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 515/536 places, 878/968 transitions.
Finished structural reductions, in 2 iterations. Remains : 515/536 places, 878/968 transitions.
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Support contains 143 out of 514 places after structural reductions.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-05-18 17:16:42] [INFO ] Flatten gal took : 208 ms
[2022-05-18 17:16:42] [INFO ] Flatten gal took : 112 ms
[2022-05-18 17:16:42] [INFO ] Input system was already deterministic with 878 transitions.
Support contains 142 out of 514 places (down from 143) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 472 ms. (steps per millisecond=21 ) properties (out of 17) seen :14
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2022-05-18 17:16:43] [INFO ] Flow matrix only has 866 transitions (discarded 12 similar events)
// Phase 1: matrix 866 rows 514 cols
[2022-05-18 17:16:43] [INFO ] Computed 42 place invariants in 16 ms
[2022-05-18 17:16:43] [INFO ] [Real]Absence check using 18 positive place invariants in 10 ms returned sat
[2022-05-18 17:16:43] [INFO ] [Real]Absence check using 18 positive and 24 generalized place invariants in 21 ms returned sat
[2022-05-18 17:16:43] [INFO ] After 172ms SMT Verify possible using all constraints in real domain returned unsat :3 sat :0
Fused 3 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 3 atomic propositions for a total of 10 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 8 out of 514 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Drop transitions removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 514 transition count 830
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 96 place count 466 transition count 830
Performed 60 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 60 Pre rules applied. Total rules applied 96 place count 466 transition count 770
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 2 with 120 rules applied. Total rules applied 216 place count 406 transition count 770
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 219 place count 403 transition count 767
Iterating global reduction 2 with 3 rules applied. Total rules applied 222 place count 403 transition count 767
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 282 place count 373 transition count 737
Applied a total of 282 rules in 103 ms. Remains 373 /514 variables (removed 141) and now considering 737/878 (removed 141) transitions.
[2022-05-18 17:16:44] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:16:44] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:16:44] [INFO ] Dead Transitions using invariants and state equation in 528 ms found 0 transitions.
[2022-05-18 17:16:44] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:16:44] [INFO ] Computed 42 place invariants in 7 ms
[2022-05-18 17:16:45] [INFO ] Implicit Places using invariants in 354 ms returned []
[2022-05-18 17:16:45] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:16:45] [INFO ] Computed 42 place invariants in 19 ms
[2022-05-18 17:16:45] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:16:51] [INFO ] Implicit Places using invariants and state equation in 6332 ms returned []
Implicit Place search using SMT with State Equation took 6688 ms to find 0 implicit places.
[2022-05-18 17:16:51] [INFO ] Redundant transitions in 43 ms returned []
[2022-05-18 17:16:51] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:16:51] [INFO ] Computed 42 place invariants in 6 ms
[2022-05-18 17:16:52] [INFO ] Dead Transitions using invariants and state equation in 565 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 373/514 places, 737/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 373/514 places, 737/878 transitions.
Stuttering acceptance computed with spot in 139 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ (ADD s159 s308) (ADD s21 s58 s105 s203 s329 s364))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 12837 reset in 573 ms.
Product exploration explored 100000 steps with 13039 reset in 359 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 (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 248 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Finished random walk after 2 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=2 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 145 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
[2022-05-18 17:16:53] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:16:53] [INFO ] Computed 42 place invariants in 6 ms
[2022-05-18 17:16:53] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2022-05-18 17:16:54] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 33 ms returned sat
[2022-05-18 17:16:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 17:16:55] [INFO ] [Real]Absence check using state equation in 1592 ms returned sat
[2022-05-18 17:16:55] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 17:16:55] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2022-05-18 17:16:56] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 51 ms returned sat
[2022-05-18 17:16:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 17:16:56] [INFO ] [Nat]Absence check using state equation in 676 ms returned sat
[2022-05-18 17:16:56] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:16:57] [INFO ] [Nat]Added 72 Read/Feed constraints in 726 ms returned sat
[2022-05-18 17:16:57] [INFO ] Deduced a trap composed of 50 places in 172 ms of which 3 ms to minimize.
[2022-05-18 17:16:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 363 ms
[2022-05-18 17:16:57] [INFO ] Computed and/alt/rep : 453/1968/447 causal constraints (skipped 276 transitions) in 62 ms.
[2022-05-18 17:16:59] [INFO ] Added : 114 causal constraints over 23 iterations in 1587 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 8 out of 373 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 373/373 places, 737/737 transitions.
Applied a total of 0 rules in 28 ms. Remains 373 /373 variables (removed 0) and now considering 737/737 (removed 0) transitions.
[2022-05-18 17:16:59] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:16:59] [INFO ] Computed 42 place invariants in 7 ms
[2022-05-18 17:17:00] [INFO ] Dead Transitions using invariants and state equation in 716 ms found 0 transitions.
[2022-05-18 17:17:00] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:17:00] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:17:00] [INFO ] Implicit Places using invariants in 372 ms returned []
[2022-05-18 17:17:00] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:17:00] [INFO ] Computed 42 place invariants in 9 ms
[2022-05-18 17:17:00] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:17:10] [INFO ] Implicit Places using invariants and state equation in 9509 ms returned []
Implicit Place search using SMT with State Equation took 9886 ms to find 0 implicit places.
[2022-05-18 17:17:10] [INFO ] Redundant transitions in 11 ms returned []
[2022-05-18 17:17:10] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:17:10] [INFO ] Computed 42 place invariants in 15 ms
[2022-05-18 17:17:10] [INFO ] Dead Transitions using invariants and state equation in 543 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 373/373 places, 737/737 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 (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 96 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Finished random walk after 2 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=2 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 135 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
[2022-05-18 17:17:10] [INFO ] Flow matrix only has 725 transitions (discarded 12 similar events)
// Phase 1: matrix 725 rows 373 cols
[2022-05-18 17:17:10] [INFO ] Computed 42 place invariants in 7 ms
[2022-05-18 17:17:11] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2022-05-18 17:17:11] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 45 ms returned sat
[2022-05-18 17:17:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 17:17:12] [INFO ] [Real]Absence check using state equation in 1603 ms returned sat
[2022-05-18 17:17:12] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 17:17:13] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2022-05-18 17:17:13] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 58 ms returned sat
[2022-05-18 17:17:13] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 17:17:13] [INFO ] [Nat]Absence check using state equation in 686 ms returned sat
[2022-05-18 17:17:13] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:17:14] [INFO ] [Nat]Added 72 Read/Feed constraints in 751 ms returned sat
[2022-05-18 17:17:14] [INFO ] Deduced a trap composed of 50 places in 162 ms of which 1 ms to minimize.
[2022-05-18 17:17:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 372 ms
[2022-05-18 17:17:15] [INFO ] Computed and/alt/rep : 453/1968/447 causal constraints (skipped 276 transitions) in 56 ms.
[2022-05-18 17:17:16] [INFO ] Added : 114 causal constraints over 23 iterations in 1400 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Product exploration explored 100000 steps with 12767 reset in 334 ms.
Product exploration explored 100000 steps with 12850 reset in 298 ms.
Built C files in :
/tmp/ltsmin16345497335524647213
[2022-05-18 17:17:18] [INFO ] Computing symmetric may disable matrix : 737 transitions.
[2022-05-18 17:17:18] [INFO ] Computation of Complete disable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 17:17:18] [INFO ] Computing symmetric may enable matrix : 737 transitions.
[2022-05-18 17:17:18] [INFO ] Computation of Complete enable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 17:17:18] [INFO ] Computing Do-Not-Accords matrix : 737 transitions.
[2022-05-18 17:17:18] [INFO ] Computation of Completed DNA matrix. took 25 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 17:17:18] [INFO ] Built C files in 960ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16345497335524647213
Running compilation step : cd /tmp/ltsmin16345497335524647213;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1881 ms.
Running link step : cd /tmp/ltsmin16345497335524647213;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 61 ms.
Running LTSmin : cd /tmp/ltsmin16345497335524647213;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased10036095301194862244.hoa' '--buchi-type=spotba'
LTSmin run took 1979 ms.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-02 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-02 finished in 38333 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 14 out of 514 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Drop transitions removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 514 transition count 842
Reduce places removed 36 places and 0 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 1 with 42 rules applied. Total rules applied 78 place count 478 transition count 836
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 84 place count 472 transition count 836
Performed 60 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 60 Pre rules applied. Total rules applied 84 place count 472 transition count 776
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 3 with 120 rules applied. Total rules applied 204 place count 412 transition count 776
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Deduced a syphon composed of 42 places in 1 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 3 with 84 rules applied. Total rules applied 288 place count 370 transition count 734
Applied a total of 288 rules in 59 ms. Remains 370 /514 variables (removed 144) and now considering 734/878 (removed 144) transitions.
[2022-05-18 17:17:22] [INFO ] Flow matrix only has 722 transitions (discarded 12 similar events)
// Phase 1: matrix 722 rows 370 cols
[2022-05-18 17:17:22] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:17:22] [INFO ] Dead Transitions using invariants and state equation in 508 ms found 0 transitions.
[2022-05-18 17:17:23] [INFO ] Flow matrix only has 722 transitions (discarded 12 similar events)
// Phase 1: matrix 722 rows 370 cols
[2022-05-18 17:17:23] [INFO ] Computed 42 place invariants in 14 ms
[2022-05-18 17:17:23] [INFO ] Implicit Places using invariants in 347 ms returned []
[2022-05-18 17:17:23] [INFO ] Flow matrix only has 722 transitions (discarded 12 similar events)
// Phase 1: matrix 722 rows 370 cols
[2022-05-18 17:17:23] [INFO ] Computed 42 place invariants in 12 ms
[2022-05-18 17:17:23] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:17:27] [INFO ] Implicit Places using invariants and state equation in 4336 ms returned []
Implicit Place search using SMT with State Equation took 4685 ms to find 0 implicit places.
[2022-05-18 17:17:27] [INFO ] Redundant transitions in 13 ms returned []
[2022-05-18 17:17:27] [INFO ] Flow matrix only has 722 transitions (discarded 12 similar events)
// Phase 1: matrix 722 rows 370 cols
[2022-05-18 17:17:27] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:17:28] [INFO ] Dead Transitions using invariants and state equation in 521 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 370/514 places, 734/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 370/514 places, 734/878 transitions.
Stuttering acceptance computed with spot in 132 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GT s131 s59), p1:(LEQ (ADD s21 s57 s102 s198 s324 s360) (ADD s26 s177 s186 s264 s306 s314))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 3767 reset in 327 ms.
Stack based approach found an accepted trace after 79397 steps with 2957 reset with depth 1145 and stack size 1145 in 263 ms.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-03 FALSE TECHNIQUES STACK_TEST
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-03 finished in 6545 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 7 out of 514 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Drop transitions removed 54 transitions
Trivial Post-agglo rules discarded 54 transitions
Performed 54 trivial Post agglomeration. Transition count delta: 54
Iterating post reduction 0 with 54 rules applied. Total rules applied 54 place count 514 transition count 824
Reduce places removed 54 places and 0 transitions.
Iterating post reduction 1 with 54 rules applied. Total rules applied 108 place count 460 transition count 824
Performed 60 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 60 Pre rules applied. Total rules applied 108 place count 460 transition count 764
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 2 with 120 rules applied. Total rules applied 228 place count 400 transition count 764
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 231 place count 397 transition count 761
Iterating global reduction 2 with 3 rules applied. Total rules applied 234 place count 397 transition count 761
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Deduced a syphon composed of 42 places in 1 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 2 with 84 rules applied. Total rules applied 318 place count 355 transition count 719
Applied a total of 318 rules in 96 ms. Remains 355 /514 variables (removed 159) and now considering 719/878 (removed 159) transitions.
[2022-05-18 17:17:29] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:29] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:17:30] [INFO ] Dead Transitions using invariants and state equation in 575 ms found 0 transitions.
[2022-05-18 17:17:30] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:30] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:17:30] [INFO ] Implicit Places using invariants in 409 ms returned []
[2022-05-18 17:17:30] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:30] [INFO ] Computed 42 place invariants in 7 ms
[2022-05-18 17:17:30] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:17:34] [INFO ] Implicit Places using invariants and state equation in 3885 ms returned []
Implicit Place search using SMT with State Equation took 4297 ms to find 0 implicit places.
[2022-05-18 17:17:34] [INFO ] Redundant transitions in 12 ms returned []
[2022-05-18 17:17:34] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:34] [INFO ] Computed 42 place invariants in 16 ms
[2022-05-18 17:17:35] [INFO ] Dead Transitions using invariants and state equation in 500 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 355/514 places, 719/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 355/514 places, 719/878 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT s333 (ADD s74 s107 s266 s332 s344 s346))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 3662 reset in 356 ms.
Product exploration explored 100000 steps with 3661 reset in 355 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 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 40 ms :[(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 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 135 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
[2022-05-18 17:17:36] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:36] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:17:36] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2022-05-18 17:17:36] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 79 ms returned sat
[2022-05-18 17:17:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 17:17:37] [INFO ] [Real]Absence check using state equation in 935 ms returned sat
[2022-05-18 17:17:37] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 17:17:37] [INFO ] [Nat]Absence check using 14 positive place invariants in 5 ms returned sat
[2022-05-18 17:17:37] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 34 ms returned sat
[2022-05-18 17:17:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 17:17:40] [INFO ] [Nat]Absence check using state equation in 2847 ms returned sat
[2022-05-18 17:17:40] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:17:40] [INFO ] [Nat]Added 72 Read/Feed constraints in 106 ms returned sat
[2022-05-18 17:17:41] [INFO ] Deduced a trap composed of 45 places in 326 ms of which 0 ms to minimize.
[2022-05-18 17:17:41] [INFO ] Deduced a trap composed of 130 places in 141 ms of which 1 ms to minimize.
[2022-05-18 17:17:41] [INFO ] Deduced a trap composed of 46 places in 53 ms of which 1 ms to minimize.
[2022-05-18 17:17:41] [INFO ] Deduced a trap composed of 45 places in 42 ms of which 0 ms to minimize.
[2022-05-18 17:17:41] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 821 ms
[2022-05-18 17:17:41] [INFO ] Computed and/alt/rep : 435/1950/429 causal constraints (skipped 276 transitions) in 54 ms.
[2022-05-18 17:17:43] [INFO ] Added : 179 causal constraints over 36 iterations in 2256 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 7 out of 355 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 355/355 places, 719/719 transitions.
Applied a total of 0 rules in 31 ms. Remains 355 /355 variables (removed 0) and now considering 719/719 (removed 0) transitions.
[2022-05-18 17:17:43] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:43] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:17:44] [INFO ] Dead Transitions using invariants and state equation in 934 ms found 0 transitions.
[2022-05-18 17:17:44] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:44] [INFO ] Computed 42 place invariants in 6 ms
[2022-05-18 17:17:45] [INFO ] Implicit Places using invariants in 339 ms returned []
[2022-05-18 17:17:45] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:45] [INFO ] Computed 42 place invariants in 15 ms
[2022-05-18 17:17:45] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:17:48] [INFO ] Implicit Places using invariants and state equation in 3596 ms returned []
Implicit Place search using SMT with State Equation took 3937 ms to find 0 implicit places.
[2022-05-18 17:17:48] [INFO ] Redundant transitions in 11 ms returned []
[2022-05-18 17:17:48] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:48] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:17:49] [INFO ] Dead Transitions using invariants and state equation in 508 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 355/355 places, 719/719 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 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 95 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 26 ms :[(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 (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 129 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
[2022-05-18 17:17:49] [INFO ] Flow matrix only has 707 transitions (discarded 12 similar events)
// Phase 1: matrix 707 rows 355 cols
[2022-05-18 17:17:49] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:17:49] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2022-05-18 17:17:50] [INFO ] [Real]Absence check using 14 positive and 28 generalized place invariants in 75 ms returned sat
[2022-05-18 17:17:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 17:17:50] [INFO ] [Real]Absence check using state equation in 889 ms returned sat
[2022-05-18 17:17:50] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 17:17:51] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2022-05-18 17:17:51] [INFO ] [Nat]Absence check using 14 positive and 28 generalized place invariants in 34 ms returned sat
[2022-05-18 17:17:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 17:17:54] [INFO ] [Nat]Absence check using state equation in 2765 ms returned sat
[2022-05-18 17:17:54] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:17:54] [INFO ] [Nat]Added 72 Read/Feed constraints in 102 ms returned sat
[2022-05-18 17:17:54] [INFO ] Deduced a trap composed of 45 places in 152 ms of which 0 ms to minimize.
[2022-05-18 17:17:54] [INFO ] Deduced a trap composed of 130 places in 169 ms of which 1 ms to minimize.
[2022-05-18 17:17:54] [INFO ] Deduced a trap composed of 46 places in 43 ms of which 1 ms to minimize.
[2022-05-18 17:17:54] [INFO ] Deduced a trap composed of 45 places in 33 ms of which 1 ms to minimize.
[2022-05-18 17:17:54] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 648 ms
[2022-05-18 17:17:54] [INFO ] Computed and/alt/rep : 435/1950/429 causal constraints (skipped 276 transitions) in 42 ms.
[2022-05-18 17:17:56] [INFO ] Added : 179 causal constraints over 36 iterations in 2197 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Product exploration explored 100000 steps with 3665 reset in 335 ms.
Product exploration explored 100000 steps with 3676 reset in 364 ms.
Built C files in :
/tmp/ltsmin6688475462938306072
[2022-05-18 17:17:57] [INFO ] Computing symmetric may disable matrix : 719 transitions.
[2022-05-18 17:17:57] [INFO ] Computation of Complete disable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 17:17:57] [INFO ] Computing symmetric may enable matrix : 719 transitions.
[2022-05-18 17:17:57] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 17:17:57] [INFO ] Computing Do-Not-Accords matrix : 719 transitions.
[2022-05-18 17:17:57] [INFO ] Computation of Completed DNA matrix. took 26 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-18 17:17:57] [INFO ] Built C files in 139ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6688475462938306072
Running compilation step : cd /tmp/ltsmin6688475462938306072;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1783 ms.
Running link step : cd /tmp/ltsmin6688475462938306072;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin6688475462938306072;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased17078179608267034754.hoa' '--buchi-type=spotba'
LTSmin run took 8096 ms.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-04 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-04 finished in 38855 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((G((X(p0)&&G(X(X(G(p1))))))&&F(!p1)))'
Support contains 50 out of 514 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 508 transition count 872
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 508 transition count 872
Applied a total of 12 rules in 11 ms. Remains 508 /514 variables (removed 6) and now considering 872/878 (removed 6) transitions.
[2022-05-18 17:18:07] [INFO ] Flow matrix only has 860 transitions (discarded 12 similar events)
// Phase 1: matrix 860 rows 508 cols
[2022-05-18 17:18:07] [INFO ] Computed 42 place invariants in 9 ms
[2022-05-18 17:18:08] [INFO ] Dead Transitions using invariants and state equation in 842 ms found 0 transitions.
[2022-05-18 17:18:08] [INFO ] Flow matrix only has 860 transitions (discarded 12 similar events)
// Phase 1: matrix 860 rows 508 cols
[2022-05-18 17:18:08] [INFO ] Computed 42 place invariants in 11 ms
[2022-05-18 17:18:09] [INFO ] Implicit Places using invariants in 392 ms returned []
[2022-05-18 17:18:09] [INFO ] Flow matrix only has 860 transitions (discarded 12 similar events)
// Phase 1: matrix 860 rows 508 cols
[2022-05-18 17:18:09] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:09] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:18:16] [INFO ] Implicit Places using invariants and state equation in 7007 ms returned []
Implicit Place search using SMT with State Equation took 7413 ms to find 0 implicit places.
[2022-05-18 17:18:16] [INFO ] Flow matrix only has 860 transitions (discarded 12 similar events)
// Phase 1: matrix 860 rows 508 cols
[2022-05-18 17:18:16] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:18:17] [INFO ] Dead Transitions using invariants and state equation in 886 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 508/514 places, 872/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 508/514 places, 872/878 transitions.
Stuttering acceptance computed with spot in 150 ms :[true, (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 3}, { cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 3}, { cond=(OR p1 (NOT p0)), acceptance={} source=2 dest: 4}], [{ cond=(AND p1 p0), acceptance={} source=3 dest: 3}, { cond=(OR (NOT p1) (NOT p0)), acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(GT s475 s13), p0:(GT (ADD s92 s117 s152 s169 s439 s450) (ADD s23 s26 s36 s48 s58 s59 s63 s116 s120 s123 s124 s128 s171 s172 s190 s199 s206 s215 s221 s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-06 finished in 9364 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(p0))))'
Support contains 7 out of 514 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 508 transition count 872
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 508 transition count 872
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 18 place count 502 transition count 866
Iterating global reduction 0 with 6 rules applied. Total rules applied 24 place count 502 transition count 866
Applied a total of 24 rules in 14 ms. Remains 502 /514 variables (removed 12) and now considering 866/878 (removed 12) transitions.
[2022-05-18 17:18:17] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:17] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:18] [INFO ] Dead Transitions using invariants and state equation in 848 ms found 0 transitions.
[2022-05-18 17:18:18] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:18] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:18:18] [INFO ] Implicit Places using invariants in 404 ms returned []
[2022-05-18 17:18:18] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:18] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:18] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:18:30] [INFO ] Implicit Places using invariants and state equation in 12099 ms returned []
Implicit Place search using SMT with State Equation took 12524 ms to find 0 implicit places.
[2022-05-18 17:18:30] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:30] [INFO ] Computed 42 place invariants in 42 ms
[2022-05-18 17:18:31] [INFO ] Dead Transitions using invariants and state equation in 859 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 502/514 places, 866/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 502/514 places, 866/878 transitions.
Stuttering acceptance computed with spot in 125 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=3, aps=[p0:(GT s74 (ADD s66 s96 s146 s206 s421 s484))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-07 finished in 14418 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 514 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 508 transition count 872
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 508 transition count 872
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 18 place count 502 transition count 866
Iterating global reduction 0 with 6 rules applied. Total rules applied 24 place count 502 transition count 866
Applied a total of 24 rules in 15 ms. Remains 502 /514 variables (removed 12) and now considering 866/878 (removed 12) transitions.
[2022-05-18 17:18:31] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:31] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:32] [INFO ] Dead Transitions using invariants and state equation in 871 ms found 0 transitions.
[2022-05-18 17:18:32] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:32] [INFO ] Computed 42 place invariants in 12 ms
[2022-05-18 17:18:32] [INFO ] Implicit Places using invariants in 424 ms returned []
[2022-05-18 17:18:32] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:32] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:33] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:18:40] [INFO ] Implicit Places using invariants and state equation in 7868 ms returned []
Implicit Place search using SMT with State Equation took 8326 ms to find 0 implicit places.
[2022-05-18 17:18:40] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:40] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:41] [INFO ] Dead Transitions using invariants and state equation in 830 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 502/514 places, 866/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 502/514 places, 866/878 transitions.
Stuttering acceptance computed with spot in 76 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-09 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:(AND (LEQ 1 s356) (GT 1 s404))], 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]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-09 finished in 10168 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(((X((X(p0) U p1))||G(F(p1))) U !(G(p0)||p1)))'
Support contains 4 out of 514 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 508 transition count 872
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 508 transition count 872
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 18 place count 502 transition count 866
Iterating global reduction 0 with 6 rules applied. Total rules applied 24 place count 502 transition count 866
Applied a total of 24 rules in 19 ms. Remains 502 /514 variables (removed 12) and now considering 866/878 (removed 12) transitions.
[2022-05-18 17:18:41] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:41] [INFO ] Computed 42 place invariants in 9 ms
[2022-05-18 17:18:42] [INFO ] Dead Transitions using invariants and state equation in 868 ms found 0 transitions.
[2022-05-18 17:18:42] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:42] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:43] [INFO ] Implicit Places using invariants in 422 ms returned []
[2022-05-18 17:18:43] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:43] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:43] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:18:53] [INFO ] Implicit Places using invariants and state equation in 10398 ms returned []
Implicit Place search using SMT with State Equation took 10832 ms to find 0 implicit places.
[2022-05-18 17:18:53] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:53] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:18:54] [INFO ] Dead Transitions using invariants and state equation in 843 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 502/514 places, 866/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 502/514 places, 866/878 transitions.
Stuttering acceptance computed with spot in 205 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={0} source=0 dest: 0}, { cond=p1, acceptance={0} source=0 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={} source=1 dest: 3}], [{ cond=p0, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={} source=3 dest: 4}, { cond=(NOT p0), acceptance={} source=3 dest: 5}], [{ cond=(NOT p1), acceptance={0} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={} source=5 dest: 4}, { cond=true, acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(LEQ s442 s211), p0:(LEQ s12 s358)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 33176 reset in 354 ms.
Product exploration explored 100000 steps with 33389 reset in 382 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 p1 p0), (X (NOT (AND (NOT p1) p0))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 322 ms. Reduced automaton from 6 states, 11 edges and 2 AP to 6 states, 11 edges and 2 AP.
Stuttering acceptance computed with spot in 185 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
Finished random walk after 112 steps, including 0 resets, run visited all 3 properties in 6 ms. (steps per millisecond=18 )
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) p0))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 7 factoid took 448 ms. Reduced automaton from 6 states, 11 edges and 2 AP to 6 states, 11 edges and 2 AP.
Stuttering acceptance computed with spot in 186 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 588 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
[2022-05-18 17:18:57] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:18:57] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:18:57] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-18 17:18:57] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 67 ms returned sat
[2022-05-18 17:18:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 17:18:59] [INFO ] [Real]Absence check using state equation in 1847 ms returned sat
[2022-05-18 17:18:59] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 17:18:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-18 17:18:59] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 50 ms returned sat
[2022-05-18 17:18:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 17:19:01] [INFO ] [Nat]Absence check using state equation in 1637 ms returned sat
[2022-05-18 17:19:01] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:19:01] [INFO ] [Nat]Added 72 Read/Feed constraints in 403 ms returned sat
[2022-05-18 17:19:02] [INFO ] Deduced a trap composed of 70 places in 61 ms of which 0 ms to minimize.
[2022-05-18 17:19:02] [INFO ] Deduced a trap composed of 70 places in 62 ms of which 1 ms to minimize.
[2022-05-18 17:19:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 299 ms
[2022-05-18 17:19:02] [INFO ] Computed and/alt/rep : 630/2217/624 causal constraints (skipped 228 transitions) in 70 ms.
[2022-05-18 17:19:06] [INFO ] Added : 265 causal constraints over 54 iterations in 4327 ms. Result :sat
Could not prove EG p0
[2022-05-18 17:19:06] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:06] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:19:06] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-18 17:19:07] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 69 ms returned sat
[2022-05-18 17:19:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 17:19:08] [INFO ] [Real]Absence check using state equation in 1330 ms returned sat
[2022-05-18 17:19:08] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 17:19:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-18 17:19:08] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 44 ms returned sat
[2022-05-18 17:19:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 17:19:10] [INFO ] [Nat]Absence check using state equation in 2015 ms returned sat
[2022-05-18 17:19:10] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:19:11] [INFO ] [Nat]Added 72 Read/Feed constraints in 731 ms returned sat
[2022-05-18 17:19:11] [INFO ] Deduced a trap composed of 71 places in 73 ms of which 0 ms to minimize.
[2022-05-18 17:19:11] [INFO ] Deduced a trap composed of 70 places in 84 ms of which 1 ms to minimize.
[2022-05-18 17:19:12] [INFO ] Deduced a trap composed of 71 places in 37 ms of which 1 ms to minimize.
[2022-05-18 17:19:12] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 481 ms
[2022-05-18 17:19:12] [INFO ] Computed and/alt/rep : 630/2217/624 causal constraints (skipped 228 transitions) in 45 ms.
[2022-05-18 17:19:15] [INFO ] Added : 244 causal constraints over 49 iterations in 3550 ms. Result :sat
Could not prove EG p1
Support contains 4 out of 502 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 502/502 places, 866/866 transitions.
Applied a total of 0 rules in 13 ms. Remains 502 /502 variables (removed 0) and now considering 866/866 (removed 0) transitions.
[2022-05-18 17:19:15] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:15] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:19:16] [INFO ] Dead Transitions using invariants and state equation in 858 ms found 0 transitions.
[2022-05-18 17:19:16] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:16] [INFO ] Computed 42 place invariants in 9 ms
[2022-05-18 17:19:16] [INFO ] Implicit Places using invariants in 415 ms returned []
[2022-05-18 17:19:16] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:16] [INFO ] Computed 42 place invariants in 9 ms
[2022-05-18 17:19:17] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:19:25] [INFO ] Implicit Places using invariants and state equation in 8406 ms returned []
Implicit Place search using SMT with State Equation took 8830 ms to find 0 implicit places.
[2022-05-18 17:19:25] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:25] [INFO ] Computed 42 place invariants in 28 ms
[2022-05-18 17:19:26] [INFO ] Dead Transitions using invariants and state equation in 868 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 502/502 places, 866/866 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 : [(AND p1 p0), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 289 ms. Reduced automaton from 6 states, 11 edges and 2 AP to 6 states, 11 edges and 2 AP.
Stuttering acceptance computed with spot in 211 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
Finished random walk after 179 steps, including 0 resets, run visited all 3 properties in 6 ms. (steps per millisecond=29 )
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 7 factoid took 438 ms. Reduced automaton from 6 states, 11 edges and 2 AP to 6 states, 11 edges and 2 AP.
Stuttering acceptance computed with spot in 201 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 194 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
[2022-05-18 17:19:27] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:27] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:19:28] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-18 17:19:28] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 66 ms returned sat
[2022-05-18 17:19:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 17:19:29] [INFO ] [Real]Absence check using state equation in 1877 ms returned sat
[2022-05-18 17:19:30] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 17:19:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2022-05-18 17:19:30] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 42 ms returned sat
[2022-05-18 17:19:30] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 17:19:32] [INFO ] [Nat]Absence check using state equation in 1635 ms returned sat
[2022-05-18 17:19:32] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:19:32] [INFO ] [Nat]Added 72 Read/Feed constraints in 400 ms returned sat
[2022-05-18 17:19:32] [INFO ] Deduced a trap composed of 70 places in 70 ms of which 0 ms to minimize.
[2022-05-18 17:19:32] [INFO ] Deduced a trap composed of 70 places in 52 ms of which 0 ms to minimize.
[2022-05-18 17:19:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 298 ms
[2022-05-18 17:19:32] [INFO ] Computed and/alt/rep : 630/2217/624 causal constraints (skipped 228 transitions) in 40 ms.
[2022-05-18 17:19:36] [INFO ] Added : 265 causal constraints over 54 iterations in 4012 ms. Result :sat
Could not prove EG p0
[2022-05-18 17:19:36] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:36] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:19:37] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2022-05-18 17:19:37] [INFO ] [Real]Absence check using 13 positive and 29 generalized place invariants in 67 ms returned sat
[2022-05-18 17:19:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-18 17:19:38] [INFO ] [Real]Absence check using state equation in 1346 ms returned sat
[2022-05-18 17:19:38] [INFO ] Solution in real domain found non-integer solution.
[2022-05-18 17:19:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2022-05-18 17:19:39] [INFO ] [Nat]Absence check using 13 positive and 29 generalized place invariants in 44 ms returned sat
[2022-05-18 17:19:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-18 17:19:40] [INFO ] [Nat]Absence check using state equation in 1853 ms returned sat
[2022-05-18 17:19:40] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:19:41] [INFO ] [Nat]Added 72 Read/Feed constraints in 752 ms returned sat
[2022-05-18 17:19:41] [INFO ] Deduced a trap composed of 71 places in 72 ms of which 1 ms to minimize.
[2022-05-18 17:19:41] [INFO ] Deduced a trap composed of 70 places in 51 ms of which 0 ms to minimize.
[2022-05-18 17:19:42] [INFO ] Deduced a trap composed of 71 places in 50 ms of which 0 ms to minimize.
[2022-05-18 17:19:42] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 410 ms
[2022-05-18 17:19:42] [INFO ] Computed and/alt/rep : 630/2217/624 causal constraints (skipped 228 transitions) in 40 ms.
[2022-05-18 17:19:45] [INFO ] Added : 244 causal constraints over 49 iterations in 3616 ms. Result :sat
Could not prove EG p1
Stuttering acceptance computed with spot in 178 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 33246 reset in 339 ms.
Product exploration explored 100000 steps with 33387 reset in 358 ms.
Applying partial POR strategy [false, false, true, true, true, true]
Stuttering acceptance computed with spot in 165 ms :[(OR p0 p1), (NOT p1), p0, (NOT p1), (NOT p1), (NOT p1)]
Support contains 4 out of 502 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 502/502 places, 866/866 transitions.
Performed 35 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 35 rules applied. Total rules applied 35 place count 502 transition count 866
Performed 66 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 66 Pre rules applied. Total rules applied 35 place count 502 transition count 932
Deduced a syphon composed of 101 places in 0 ms
Iterating global reduction 1 with 66 rules applied. Total rules applied 101 place count 502 transition count 932
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 113 place count 490 transition count 920
Deduced a syphon composed of 89 places in 0 ms
Iterating global reduction 1 with 12 rules applied. Total rules applied 125 place count 490 transition count 920
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 137 places in 1 ms
Iterating global reduction 1 with 48 rules applied. Total rules applied 173 place count 490 transition count 920
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 194 place count 469 transition count 899
Deduced a syphon composed of 119 places in 0 ms
Iterating global reduction 1 with 21 rules applied. Total rules applied 215 place count 469 transition count 899
Deduced a syphon composed of 119 places in 1 ms
Applied a total of 215 rules in 146 ms. Remains 469 /502 variables (removed 33) and now considering 899/866 (removed -33) transitions.
[2022-05-18 17:19:47] [INFO ] Flow matrix only has 887 transitions (discarded 12 similar events)
// Phase 1: matrix 887 rows 469 cols
[2022-05-18 17:19:47] [INFO ] Computed 42 place invariants in 9 ms
[2022-05-18 17:19:47] [INFO ] Dead Transitions using invariants and state equation in 805 ms found 0 transitions.
[2022-05-18 17:19:47] [INFO ] Redundant transitions in 13 ms returned []
[2022-05-18 17:19:47] [INFO ] Flow matrix only has 887 transitions (discarded 12 similar events)
// Phase 1: matrix 887 rows 469 cols
[2022-05-18 17:19:47] [INFO ] Computed 42 place invariants in 21 ms
[2022-05-18 17:19:48] [INFO ] Dead Transitions using invariants and state equation in 715 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 469/502 places, 899/866 transitions.
Finished structural reductions, in 1 iterations. Remains : 469/502 places, 899/866 transitions.
Product exploration explored 100000 steps with 33486 reset in 340 ms.
Product exploration explored 100000 steps with 33371 reset in 357 ms.
Built C files in :
/tmp/ltsmin15965935058103352048
[2022-05-18 17:19:49] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15965935058103352048
Running compilation step : cd /tmp/ltsmin15965935058103352048;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1396 ms.
Running link step : cd /tmp/ltsmin15965935058103352048;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin15965935058103352048;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased3731901693663523498.hoa' '--buchi-type=spotba'
LTSmin run took 686 ms.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-11 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-11 finished in 70056 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(X(p0)))'
Support contains 1 out of 514 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 508 transition count 872
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 508 transition count 872
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 18 place count 502 transition count 866
Iterating global reduction 0 with 6 rules applied. Total rules applied 24 place count 502 transition count 866
Applied a total of 24 rules in 33 ms. Remains 502 /514 variables (removed 12) and now considering 866/878 (removed 12) transitions.
[2022-05-18 17:19:51] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:51] [INFO ] Computed 42 place invariants in 9 ms
[2022-05-18 17:19:52] [INFO ] Dead Transitions using invariants and state equation in 786 ms found 0 transitions.
[2022-05-18 17:19:52] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:52] [INFO ] Computed 42 place invariants in 15 ms
[2022-05-18 17:19:53] [INFO ] Implicit Places using invariants in 460 ms returned []
[2022-05-18 17:19:53] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:19:53] [INFO ] Computed 42 place invariants in 14 ms
[2022-05-18 17:19:53] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:20:04] [INFO ] Implicit Places using invariants and state equation in 11052 ms returned []
Implicit Place search using SMT with State Equation took 11514 ms to find 0 implicit places.
[2022-05-18 17:20:04] [INFO ] Flow matrix only has 854 transitions (discarded 12 similar events)
// Phase 1: matrix 854 rows 502 cols
[2022-05-18 17:20:04] [INFO ] Computed 42 place invariants in 16 ms
[2022-05-18 17:20:05] [INFO ] Dead Transitions using invariants and state equation in 871 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 502/514 places, 866/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 502/514 places, 866/878 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GT 1 s381)], 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]]
Product exploration explored 100000 steps with 50000 reset in 402 ms.
Product exploration explored 100000 steps with 50000 reset in 415 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (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 53 ms. Reduced automaton from 2 states, 2 edges and 1 AP to 1 states, 0 edges and 0 AP.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-13 finished in 14164 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 514 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 514/514 places, 878/878 transitions.
Drop transitions removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 514 transition count 830
Reduce places removed 48 places and 0 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 1 with 54 rules applied. Total rules applied 102 place count 466 transition count 824
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 108 place count 460 transition count 824
Performed 60 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 60 Pre rules applied. Total rules applied 108 place count 460 transition count 764
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 3 with 120 rules applied. Total rules applied 228 place count 400 transition count 764
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 231 place count 397 transition count 761
Iterating global reduction 3 with 3 rules applied. Total rules applied 234 place count 397 transition count 761
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 330 place count 349 transition count 713
Applied a total of 330 rules in 44 ms. Remains 349 /514 variables (removed 165) and now considering 713/878 (removed 165) transitions.
[2022-05-18 17:20:06] [INFO ] Flow matrix only has 701 transitions (discarded 12 similar events)
// Phase 1: matrix 701 rows 349 cols
[2022-05-18 17:20:06] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:20:06] [INFO ] Dead Transitions using invariants and state equation in 491 ms found 0 transitions.
[2022-05-18 17:20:06] [INFO ] Flow matrix only has 701 transitions (discarded 12 similar events)
// Phase 1: matrix 701 rows 349 cols
[2022-05-18 17:20:06] [INFO ] Computed 42 place invariants in 8 ms
[2022-05-18 17:20:06] [INFO ] Implicit Places using invariants in 345 ms returned []
[2022-05-18 17:20:06] [INFO ] Flow matrix only has 701 transitions (discarded 12 similar events)
// Phase 1: matrix 701 rows 349 cols
[2022-05-18 17:20:06] [INFO ] Computed 42 place invariants in 7 ms
[2022-05-18 17:20:07] [INFO ] State equation strengthened by 72 read => feed constraints.
[2022-05-18 17:20:13] [INFO ] Implicit Places using invariants and state equation in 6254 ms returned []
Implicit Place search using SMT with State Equation took 6608 ms to find 0 implicit places.
[2022-05-18 17:20:13] [INFO ] Redundant transitions in 8 ms returned []
[2022-05-18 17:20:13] [INFO ] Flow matrix only has 701 transitions (discarded 12 similar events)
// Phase 1: matrix 701 rows 349 cols
[2022-05-18 17:20:13] [INFO ] Computed 42 place invariants in 10 ms
[2022-05-18 17:20:13] [INFO ] Dead Transitions using invariants and state equation in 539 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 349/514 places, 713/878 transitions.
Finished structural reductions, in 1 iterations. Remains : 349/514 places, 713/878 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J06T06-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ s266 s256)], nbAcceptance=1, 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 306 steps with 0 reset in 2 ms.
FORMULA PolyORBLF-PT-S02J06T06-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J06T06-LTLCardinality-15 finished in 7752 ms.
All properties solved by simple procedures.
Total runtime 223048 ms.

BK_STOP 1652894413817

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination LTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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-S02J06T06"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is PolyORBLF-PT-S02J06T06, 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 r168-tall-165277016900611"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J06T06.tgz
mv PolyORBLF-PT-S02J06T06 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 ;