Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853728900236.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Angiogenesis-PT-10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853728900236
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 656K
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 194K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 133K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 33K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-00
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-01
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-02
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-03
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-04
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-05
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-06
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-07
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-08
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-09
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-10
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-11
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-12
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-13
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-14
FORMULA_NAME Angiogenesis-PT-10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748558355663

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Angiogenesis-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-29 22:39:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-29 22:39:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 22:39:17] [INFO ] Load time of PNML (sax parser for PT used): 49 ms
[2025-05-29 22:39:17] [INFO ] Transformed 39 places.
[2025-05-29 22:39:17] [INFO ] Transformed 64 transitions.
[2025-05-29 22:39:17] [INFO ] Parsed PT model containing 39 places and 64 transitions and 185 arcs in 139 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA Angiogenesis-PT-10-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-10-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 64/64 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 38 transition count 64
Applied a total of 1 rules in 16 ms. Remains 38 /39 variables (removed 1) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 38 cols
[2025-05-29 22:39:17] [INFO ] Computed 7 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:17] [INFO ] Implicit Places using invariants in 165 ms returned [34]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 197 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 37/39 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 229 ms. Remains : 37/39 places, 64/64 transitions.
Support contains 27 out of 37 places after structural reductions.
[2025-05-29 22:39:17] [INFO ] Flatten gal took : 21 ms
[2025-05-29 22:39:17] [INFO ] Flatten gal took : 20 ms
[2025-05-29 22:39:17] [INFO ] Input system was already deterministic with 64 transitions.
RANDOM walk for 40018 steps (9 resets) in 327 ms. (122 steps per ms) remains 1/26 properties
BEST_FIRST walk for 2860 steps (0 resets) in 8 ms. (317 steps per ms) remains 0/1 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 12 edges and 37 vertex of which 4 / 37 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 35 transition count 61
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 33 transition count 61
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 20 place count 25 transition count 53
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 28 place count 21 transition count 56
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 44 place count 21 transition count 40
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 45 place count 21 transition count 40
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 21 transition count 39
Applied a total of 46 rules in 28 ms. Remains 21 /37 variables (removed 16) and now considering 39/64 (removed 25) transitions.
[2025-05-29 22:39:18] [INFO ] Flow matrix only has 33 transitions (discarded 6 similar events)
// Phase 1: matrix 33 rows 21 cols
[2025-05-29 22:39:18] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:18] [INFO ] Implicit Places using invariants in 43 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/37 places, 39/64 transitions.
Graph (trivial) has 10 edges and 20 vertex of which 2 / 20 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 35
Applied a total of 2 rules in 4 ms. Remains 19 /20 variables (removed 1) and now considering 35/39 (removed 4) transitions.
[2025-05-29 22:39:18] [INFO ] Flow matrix only has 29 transitions (discarded 6 similar events)
// Phase 1: matrix 29 rows 19 cols
[2025-05-29 22:39:18] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:18] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-29 22:39:18] [INFO ] Flow matrix only has 29 transitions (discarded 6 similar events)
[2025-05-29 22:39:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-29 22:39:18] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 19/37 places, 35/64 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 169 ms. Remains : 19/37 places, 35/64 transitions.
Stuttering acceptance computed with spot in 148 ms :[(NOT p0)]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-01
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-01 finished in 377 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F((p0&&X(F(p1))))) U (p2||(F(p3) U p4))))'
Support contains 8 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2025-05-29 22:39:18] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:18] [INFO ] Implicit Places using invariants in 41 ms returned [32]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44 ms. Remains : 36/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 242 ms :[(AND (NOT p2) (NOT p4)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p4)) (AND (NOT p1) (NOT p4))), (AND (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p4))]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-02
Product exploration explored 100000 steps with 10542 reset in 272 ms.
Stack based approach found an accepted trace after 19 steps with 3 reset with depth 4 and stack size 4 in 0 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-02 finished in 597 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U G((p1||G(!p1)))))'
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 12 edges and 37 vertex of which 4 / 37 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 35 transition count 61
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 33 transition count 61
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 18 place count 26 transition count 54
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 28 place count 21 transition count 60
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 48 place count 21 transition count 40
Applied a total of 48 rules in 22 ms. Remains 21 /37 variables (removed 16) and now considering 40/64 (removed 24) transitions.
[2025-05-29 22:39:19] [INFO ] Flow matrix only has 34 transitions (discarded 6 similar events)
// Phase 1: matrix 34 rows 21 cols
[2025-05-29 22:39:19] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:19] [INFO ] Implicit Places using invariants in 33 ms returned [17]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/37 places, 40/64 transitions.
Graph (trivial) has 10 edges and 20 vertex of which 2 / 20 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 19 transition count 36
Applied a total of 2 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 36/40 (removed 4) transitions.
[2025-05-29 22:39:19] [INFO ] Flow matrix only has 30 transitions (discarded 6 similar events)
// Phase 1: matrix 30 rows 19 cols
[2025-05-29 22:39:19] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:19] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-05-29 22:39:19] [INFO ] Flow matrix only has 30 transitions (discarded 6 similar events)
[2025-05-29 22:39:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:19] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 19/37 places, 36/64 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 134 ms. Remains : 19/37 places, 36/64 transitions.
Stuttering acceptance computed with spot in 196 ms :[false, p1, false, (AND (NOT p0) p1), true, (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-03
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-03 finished in 352 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F((G(!p0)||X(X(X(F(p1)))))) U p0)))'
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2025-05-29 22:39:19] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:19] [INFO ] Implicit Places using invariants in 42 ms returned [4, 32]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 43 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 133 ms :[(NOT p0), (OR (NOT p0) (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-04
Product exploration explored 100000 steps with 463 reset in 263 ms.
Stack based approach found an accepted trace after 6524 steps with 33 reset with depth 3 and stack size 3 in 15 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-04 finished in 484 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(G(p0)) U p1) U X((X(!p0)||F(p2)))))'
Support contains 4 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 0 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2025-05-29 22:39:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:20] [INFO ] Implicit Places using invariants in 37 ms returned [4, 32]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 38 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 348 ms :[(AND p0 (NOT p2)), (AND (NOT p2) (NOT p1) p0), (AND p0 (NOT p2)), false, (AND (NOT p1) (NOT p2) p0), (AND (NOT p2) p0 (NOT p1)), (AND p0 (NOT p2)), (AND (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-05
Product exploration explored 100000 steps with 1051 reset in 153 ms.
Stack based approach found an accepted trace after 786 steps with 6 reset with depth 136 and stack size 128 in 2 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-05 finished in 579 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||F(p1)||(!p0 U (p2||G(!p0))))))'
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2025-05-29 22:39:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:20] [INFO ] Implicit Places using invariants in 33 ms returned [4, 32]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/37 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 164 ms :[(NOT p1), false, false, (AND (NOT p1) p0 (NOT p2))]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 67 ms.
Product exploration explored 100000 steps with 50000 reset in 78 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p2), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 18 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Angiogenesis-PT-10-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Angiogenesis-PT-10-LTLFireability-06 finished in 388 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&F(p1)))'
Support contains 4 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2025-05-29 22:39:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:21] [INFO ] Implicit Places using invariants in 34 ms returned [4, 32]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1000 steps with 2 reset in 4 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-07 finished in 172 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0 U !p1)))'
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 12 edges and 37 vertex of which 4 / 37 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 35 transition count 61
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 33 transition count 61
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 20 place count 25 transition count 53
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 24 place count 23 transition count 56
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 0 with 15 rules applied. Total rules applied 39 place count 23 transition count 41
Applied a total of 39 rules in 8 ms. Remains 23 /37 variables (removed 14) and now considering 41/64 (removed 23) transitions.
[2025-05-29 22:39:21] [INFO ] Flow matrix only has 38 transitions (discarded 3 similar events)
// Phase 1: matrix 38 rows 23 cols
[2025-05-29 22:39:21] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:21] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-05-29 22:39:21] [INFO ] Flow matrix only has 38 transitions (discarded 3 similar events)
[2025-05-29 22:39:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:21] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-29 22:39:21] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 22:39:21] [INFO ] Redundant transitions in 0 ms returned []
Running 37 sub problems to find dead transitions.
[2025-05-29 22:39:21] [INFO ] Flow matrix only has 38 transitions (discarded 3 similar events)
[2025-05-29 22:39:21] [INFO ] Invariant cache hit.
[2025-05-29 22:39:21] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (OVERLAPS) 37/60 variables, 23/28 constraints. Problems are: Problem set: 0 solved, 37 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 5 (OVERLAPS) 0/60 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/61 variables, and 29 constraints, problems are : Problem set: 0 solved, 37 unsolved in 395 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 37/37 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 37 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (OVERLAPS) 37/60 variables, 23/28 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 37/66 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 6 (OVERLAPS) 0/60 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/61 variables, and 66 constraints, problems are : Problem set: 0 solved, 37 unsolved in 714 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 37/37 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1141ms problems are : Problem set: 0 solved, 37 unsolved
Search for dead transitions found 0 dead transitions in 1150ms
Starting structural reductions in SI_LTL mode, iteration 1 : 23/37 places, 41/64 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1233 ms. Remains : 23/37 places, 41/64 transitions.
Stuttering acceptance computed with spot in 77 ms :[p1, true, p1]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-09
Entered a terminal (fully accepting) state of product in 13 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-09 finished in 1321 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 10 edges and 37 vertex of which 2 / 37 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 36 transition count 62
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 34 transition count 62
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 12 place count 30 transition count 58
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 22 place count 25 transition count 64
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 0 with 15 rules applied. Total rules applied 37 place count 25 transition count 49
Partial Post-agglomeration rule applied 5 times.
Drop transitions (Partial Post agglomeration) removed 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 42 place count 25 transition count 49
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 45 place count 25 transition count 46
Applied a total of 45 rules in 11 ms. Remains 25 /37 variables (removed 12) and now considering 46/64 (removed 18) transitions.
[2025-05-29 22:39:22] [INFO ] Flow matrix only has 41 transitions (discarded 5 similar events)
// Phase 1: matrix 41 rows 25 cols
[2025-05-29 22:39:22] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:22] [INFO ] Implicit Places using invariants in 32 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/37 places, 46/64 transitions.
Graph (trivial) has 8 edges and 24 vertex of which 2 / 24 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 23 transition count 42
Applied a total of 2 rules in 2 ms. Remains 23 /24 variables (removed 1) and now considering 42/46 (removed 4) transitions.
[2025-05-29 22:39:22] [INFO ] Flow matrix only has 37 transitions (discarded 5 similar events)
// Phase 1: matrix 37 rows 23 cols
[2025-05-29 22:39:22] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:22] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-05-29 22:39:22] [INFO ] Flow matrix only has 37 transitions (discarded 5 similar events)
[2025-05-29 22:39:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:22] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/37 places, 42/64 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 104 ms. Remains : 23/37 places, 42/64 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-10
Stuttering criterion allowed to conclude after 49 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-10 finished in 146 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(G(p0))||((F(p1) U p2)&&F(p0))) U p2))'
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2025-05-29 22:39:22] [INFO ] Computed 6 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:22] [INFO ] Implicit Places using invariants in 42 ms returned [4, 32]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 43 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 236 ms :[(NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-11
Product exploration explored 100000 steps with 1766 reset in 137 ms.
Stack based approach found an accepted trace after 20 steps with 0 reset with depth 21 and stack size 20 in 0 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-11 finished in 438 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((!p0 U (p1||G(!p0))) U ((X(!p0)&&(!p0 U (p1||G(!p0))))||G((!p0 U (p1||G(!p0)))))))))'
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2025-05-29 22:39:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:23] [INFO ] Implicit Places using invariants in 39 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/37 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 36 /36 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45 ms. Remains : 36/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 189 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), true, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-12
Product exploration explored 100000 steps with 25000 reset in 77 ms.
Product exploration explored 100000 steps with 25000 reset in 84 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (X (OR (NOT p0) p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 83 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[true, (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 40021 steps (10 resets) in 77 ms. (513 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
// Phase 1: matrix 64 rows 36 cols
[2025-05-29 22:39:23] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf0 is UNSAT
After SMT solving in domain Real declared 3/100 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 13 ms.
Refiners :[Positive P Invariants (semi-flows): 0/5 constraints, State Equation: 0/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1), (X (X (OR (NOT p0) p1))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (G (OR (NOT p0) (NOT p1)))]
False Knowledge obtained : [(F (NOT p1)), (F p0), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 7 factoid took 180 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 151 ms :[p0, p0, p0, p0, true]
Stuttering acceptance computed with spot in 142 ms :[p0, p0, p0, p0, true]
Support contains 1 out of 36 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 64/64 transitions.
Applied a total of 0 rules in 0 ms. Remains 36 /36 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2025-05-29 22:39:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:24] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-05-29 22:39:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:24] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-05-29 22:39:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (OVERLAPS) 64/100 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 0/100 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 41 constraints, problems are : Problem set: 0 solved, 61 unsolved in 799 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (OVERLAPS) 64/100 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/100 variables, 61/102 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (OVERLAPS) 0/100 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 102 constraints, problems are : Problem set: 0 solved, 61 unsolved in 1237 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2046ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 2047ms
Finished structural reductions in LTL mode , in 1 iterations and 2164 ms. Remains : 36/36 places, 64/64 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)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 64 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[p0, p0, p0, p0, true]
RANDOM walk for 2433 steps (0 resets) in 7 ms. (304 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0)]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 1 factoid took 84 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 153 ms :[p0, p0, p0, p0, true]
Stuttering acceptance computed with spot in 163 ms :[p0, p0, p0, p0, true]
Stuttering acceptance computed with spot in 153 ms :[p0, p0, p0, p0, true]
Product exploration explored 100000 steps with 25000 reset in 75 ms.
Product exploration explored 100000 steps with 25000 reset in 94 ms.
Applying partial POR strategy [true, false, false, false, true]
Stuttering acceptance computed with spot in 162 ms :[p0, p0, p0, p0, true]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 36/36 places, 64/64 transitions.
Graph (trivial) has 15 edges and 36 vertex of which 6 / 36 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 8 places in 0 ms
Iterating global reduction 0 with 8 rules applied. Total rules applied 9 place count 33 transition count 69
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -25
Deduced a syphon composed of 13 places in 0 ms
Iterating global reduction 0 with 5 rules applied. Total rules applied 14 place count 33 transition count 94
Deduced a syphon composed of 13 places in 0 ms
Drop transitions (Redundant composition of simpler transitions.) removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 0 with 41 rules applied. Total rules applied 55 place count 33 transition count 53
Deduced a syphon composed of 13 places in 0 ms
Applied a total of 55 rules in 10 ms. Remains 33 /36 variables (removed 3) and now considering 53/64 (removed 11) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 22:39:27] [INFO ] Redundant transitions in 1 ms returned []
Running 48 sub problems to find dead transitions.
[2025-05-29 22:39:27] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
// Phase 1: matrix 47 rows 33 cols
[2025-05-29 22:39:27] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD46 is UNSAT
At refinement iteration 2 (OVERLAPS) 46/79 variables, 33/38 constraints. Problems are: Problem set: 15 solved, 33 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/38 constraints. Problems are: Problem set: 15 solved, 33 unsolved
At refinement iteration 4 (OVERLAPS) 0/79 variables, 0/38 constraints. Problems are: Problem set: 15 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/80 variables, and 38 constraints, problems are : Problem set: 15 solved, 33 unsolved in 471 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 15 solved, 33 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 15 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 13/33 variables, 5/5 constraints. Problems are: Problem set: 15 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/5 constraints. Problems are: Problem set: 15 solved, 33 unsolved
At refinement iteration 3 (OVERLAPS) 46/79 variables, 33/38 constraints. Problems are: Problem set: 15 solved, 33 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 33/71 constraints. Problems are: Problem set: 15 solved, 33 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 0/71 constraints. Problems are: Problem set: 15 solved, 33 unsolved
At refinement iteration 6 (OVERLAPS) 0/79 variables, 0/71 constraints. Problems are: Problem set: 15 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/80 variables, and 71 constraints, problems are : Problem set: 15 solved, 33 unsolved in 606 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 33/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1091ms problems are : Problem set: 15 solved, 33 unsolved
Search for dead transitions found 15 dead transitions in 1091ms
Found 15 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 15 transitions
Dead transitions reduction (with SMT) removed 15 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 33/36 places, 38/64 transitions.
Graph (complete) has 84 edges and 33 vertex of which 20 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.2 ms
Discarding 13 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 10 ms. Remains 20 /33 variables (removed 13) and now considering 38/38 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/36 places, 38/64 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1118 ms. Remains : 20/36 places, 38/64 transitions.
Built C files in :
/tmp/ltsmin11026335192063900163
[2025-05-29 22:39:29] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11026335192063900163
Running compilation step : cd /tmp/ltsmin11026335192063900163;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 237 ms.
Running link step : cd /tmp/ltsmin11026335192063900163;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 41 ms.
Running LTSmin : cd /tmp/ltsmin11026335192063900163;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased15764567430210776239.hoa' '--buchi-type=spotba'
LTSmin run took 3680 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-12 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property Angiogenesis-PT-10-LTLFireability-12 finished in 9868 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((p1||G(F(p0)))))))'
Support contains 4 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2025-05-29 22:39:33] [INFO ] Computed 6 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:33] [INFO ] Implicit Places using invariants in 33 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 36/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 187 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-13
Product exploration explored 100000 steps with 176 reset in 210 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 0 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-13 finished in 452 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2025-05-29 22:39:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:33] [INFO ] Implicit Places using invariants in 30 ms returned [4, 32]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 41 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44 ms. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-14
Product exploration explored 100000 steps with 1105 reset in 151 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 0 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-14 finished in 306 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 13 edges and 37 vertex of which 4 / 37 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 35 transition count 61
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 33 transition count 61
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 20 place count 25 transition count 53
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 30 place count 20 transition count 59
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 0 with 21 rules applied. Total rules applied 51 place count 20 transition count 38
Applied a total of 51 rules in 7 ms. Remains 20 /37 variables (removed 17) and now considering 38/64 (removed 26) transitions.
[2025-05-29 22:39:33] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
// Phase 1: matrix 32 rows 20 cols
[2025-05-29 22:39:33] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:33] [INFO ] Implicit Places using invariants in 25 ms returned [17]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/37 places, 38/64 transitions.
Graph (trivial) has 10 edges and 19 vertex of which 2 / 19 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 18 transition count 34
Applied a total of 2 rules in 3 ms. Remains 18 /19 variables (removed 1) and now considering 34/38 (removed 4) transitions.
[2025-05-29 22:39:33] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
// Phase 1: matrix 28 rows 18 cols
[2025-05-29 22:39:33] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:33] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-05-29 22:39:33] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
[2025-05-29 22:39:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 22:39:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-05-29 22:39:33] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/37 places, 34/64 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 86 ms. Remains : 18/37 places, 34/64 transitions.
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-10-LTLFireability-15
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-10-LTLFireability-15 finished in 167 ms.
All properties solved by simple procedures.
Total runtime 17098 ms.

BK_STOP 1748558374093

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Angiogenesis-PT-10"
export BK_EXAMINATION="LTLFireability"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Angiogenesis-PT-10, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-tall-174853728900236"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Angiogenesis-PT-10.tgz
mv Angiogenesis-PT-10 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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