About the Execution of ITS-Tools for FunctionPointer-PT-c004
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16201.004 | 3600000.00 | 5391638.00 | 83551.20 | FFTFFT?TTFTTTFTT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r146-tall-177961074000127.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=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 2-5973
Executing tool itstools
Input is FunctionPointer-PT-c004, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074000127
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 8.3K Mar 7 07:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 7 07:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 07:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 07:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 07:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 07:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 7 07:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 7 07:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 4.2M Mar 3 18:30 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 FunctionPointer-PT-c004-ReachabilityFireability-2024-00
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-01
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-02
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-03
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-04
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-05
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-06
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-07
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-08
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-09
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-10
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-11
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-12
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-13
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-14
FORMULA_NAME FunctionPointer-PT-c004-ReachabilityFireability-2024-15
=== Now, execution of the tool begins
BK_START 1779689978962
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c004
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 06:19:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 06:19:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:19:40] [INFO ] Load time of PNML (sax parser for PT used): 370 ms
[2026-05-25 06:19:40] [INFO ] Transformed 2826 places.
[2026-05-25 06:19:40] [INFO ] Transformed 8960 transitions.
[2026-05-25 06:19:40] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 501 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 1198 places in 37 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-25 06:19:41] [INFO ] Flatten gal took : 769 ms
RANDOM walk for 40003 steps (8 resets) in 4771 ms. (8 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 355 ms. (112 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 177 ms. (224 steps per ms) remains 10/10 properties
[2026-05-25 06:19:42] [INFO ] Flatten gal took : 253 ms
BEST_FIRST walk for 40003 steps (8 resets) in 339 ms. (117 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 8/10 properties
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-25 06:19:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16539601150766445553.gal : 146 ms
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 8/8 properties
[2026-05-25 06:19:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7602973164695681810.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16539601150766445553.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7602973164695681810.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40003 steps (8 resets) in 371 ms. (107 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 176 ms. (226 steps per ms) remains 7/8 properties
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 7/7 properties
[2026-05-25 06:19:42] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16117141745833662436.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10790266195965921612.kers'
[2026-05-25 06:19:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16117141745833662436.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10790266195965921612.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 3540 rows 1627 cols 8708 entries
Finished phase 1 with 1624 SingleSign rule and 0 generalized
[2026-05-25 06:19:42] [INFO ] Computed 4 invariants in 16 ms
Computed 4 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-10790266195965921612.kers
Total runtime 19 ms.
[2026-05-25 06:19:42] [INFO ] State equation strengthened by 479 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality7602973164695681810.prop.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem FunctionPointer-PT-c004-ReachabilityFireability-2024-01 is UNSAT
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem FunctionPointer-PT-c004-ReachabilityFireability-2024-07 is UNSAT
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem FunctionPointer-PT-c004-ReachabilityFireability-2024-12 is UNSAT
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 533/577 variables, 3/3 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/577 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1/578 variables, 1/4 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/578 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1559/2137 variables, 578/582 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2137 variables, 402/984 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2137 variables, 0/984 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 1916/4053 variables, 500/1484 constraints. Problems are: Problem set: 3 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/4053 variables, 77/1561 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4053 variables, 0/1561 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 698/4751 variables, 437/1998 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/4751 variables, 0/1998 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 321/5072 variables, 81/2079 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/5072 variables, 0/2079 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 96/5168 variables, 32/2111 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/5168 variables, 0/2111 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/5168 variables, 0/2111 constraints. Problems are: Problem set: 3 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5168/5168 variables, and 2111 constraints, problems are : Problem set: 3 solved, 4 unsolved in 4708 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 1628/1628 constraints, ReadFeed: 479/479 constraints, PredecessorRefiner: 7/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 544/556 variables, 3/3 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/556 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1/557 variables, 1/4 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/557 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1434/1991 variables, 557/561 constraints. Problems are: Problem set: 3 solved, 4 unsolved
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 31
At refinement iteration 6 (INCLUDED_ONLY) 0/1991 variables, 399/960 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1991 variables, 1/961 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1991 variables, 0/961 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 1398/3389 variables, 427/1388 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3389 variables, 80/1468 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3389 variables, 0/1468 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 660/4049 variables, 393/1861 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/4049 variables, 3/1864 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/4049 variables, 1/1865 constraints. Problems are: Problem set: 3 solved, 4 unsolved
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :31 after 1926
At refinement iteration 15 (INCLUDED_ONLY) 0/4049 variables, 0/1865 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 743/4792 variables, 131/1996 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4792/5168 variables, and 1996 constraints, problems are : Problem set: 3 solved, 4 unsolved in 5017 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 1508/1628 constraints, ReadFeed: 479/479 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 9956ms problems are : Problem set: 3 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 12 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1611 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.15 ms
Discarding 17 places :
Also discarding 0 output transitions
Discarding 295 places :
Symmetric choice reduction at 0 with 295 rule applications. Total rules 296 place count 1316 transition count 3760
Iterating global reduction 0 with 295 rules applied. Total rules applied 591 place count 1316 transition count 3760
Ensure Unique test removed 408 transitions
Reduce isomorphic transitions removed 408 transitions.
Iterating post reduction 0 with 408 rules applied. Total rules applied 999 place count 1316 transition count 3352
Discarding 152 places :
Symmetric choice reduction at 1 with 152 rule applications. Total rules 1151 place count 1164 transition count 3048
Iterating global reduction 1 with 152 rules applied. Total rules applied 1303 place count 1164 transition count 3048
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 1 with 88 rules applied. Total rules applied 1391 place count 1164 transition count 2960
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1405 place count 1150 transition count 2932
Iterating global reduction 2 with 14 rules applied. Total rules applied 1419 place count 1150 transition count 2932
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1433 place count 1136 transition count 2904
Iterating global reduction 2 with 14 rules applied. Total rules applied 1447 place count 1136 transition count 2904
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1461 place count 1122 transition count 2876
Iterating global reduction 2 with 14 rules applied. Total rules applied 1475 place count 1122 transition count 2876
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1489 place count 1108 transition count 2848
Iterating global reduction 2 with 14 rules applied. Total rules applied 1503 place count 1108 transition count 2848
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 1517 place count 1094 transition count 2820
Iterating global reduction 2 with 14 rules applied. Total rules applied 1531 place count 1094 transition count 2820
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 1544 place count 1081 transition count 2794
Iterating global reduction 2 with 13 rules applied. Total rules applied 1557 place count 1081 transition count 2794
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 1570 place count 1068 transition count 2768
Iterating global reduction 2 with 13 rules applied. Total rules applied 1583 place count 1068 transition count 2768
Discarding 50 places :
Symmetric choice reduction at 2 with 50 rule applications. Total rules 1633 place count 1018 transition count 2582
Iterating global reduction 2 with 50 rules applied. Total rules applied 1683 place count 1018 transition count 2582
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 1739 place count 962 transition count 2358
Iterating global reduction 2 with 56 rules applied. Total rules applied 1795 place count 962 transition count 2358
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 1851 place count 906 transition count 2220
Iterating global reduction 2 with 56 rules applied. Total rules applied 1907 place count 906 transition count 2220
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 1963 place count 850 transition count 2108
Iterating global reduction 2 with 56 rules applied. Total rules applied 2019 place count 850 transition count 2108
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 2075 place count 794 transition count 1996
Iterating global reduction 2 with 56 rules applied. Total rules applied 2131 place count 794 transition count 1996
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 2187 place count 738 transition count 1884
Iterating global reduction 2 with 56 rules applied. Total rules applied 2243 place count 738 transition count 1884
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 2299 place count 682 transition count 1772
Iterating global reduction 2 with 56 rules applied. Total rules applied 2355 place count 682 transition count 1772
Discarding 13 places :
Symmetric choice reduction at 2 with 13 rule applications. Total rules 2368 place count 669 transition count 1746
Iterating global reduction 2 with 13 rules applied. Total rules applied 2381 place count 669 transition count 1746
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 2397 place count 669 transition count 1730
Applied a total of 2397 rules in 1696 ms. Remains 669 /1628 variables (removed 959) and now considering 1730/5962 (removed 4232) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1708 ms. Remains : 669/1628 places, 1730/5962 transitions.
RANDOM walk for 40003 steps (8 resets) in 394 ms. (101 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 80 ms. (493 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 64 ms. (615 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 208468 steps, run timeout after 3001 ms. (steps per millisecond=69 ) properties seen :0 out of 4
Probabilistic random walk after 208468 steps, saw 135326 distinct states, run finished after 3005 ms. (steps per millisecond=69 ) properties seen :0
[2026-05-25 06:19:57] [INFO ] Flow matrix only has 1158 transitions (discarded 572 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1125966527198898612.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3442202093226293445.kers'
[2026-05-25 06:19:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1125966527198898612.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3442202093226293445.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1158 rows 669 cols 3178 entries
Finished phase 1 with 666 SingleSign rule and 1 generalized
[2026-05-25 06:19:57] [INFO ] Computed 2 invariants in 8 ms
Computed 2 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-3442202093226293445.kers
Total runtime 12 ms.
[2026-05-25 06:19:57] [INFO ] State equation strengthened by 283 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 381/393 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/393 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 884/1277 variables, 393/394 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1277 variables, 144/538 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1277 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 448/1725 variables, 187/725 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1725 variables, 139/864 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1725 variables, 0/864 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 1/1726 variables, 1/865 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1726 variables, 1/866 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1726 variables, 0/866 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 99/1825 variables, 86/952 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1825 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 2/1827 variables, 2/954 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1827 variables, 0/954 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 0/1827 variables, 0/954 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1827/1827 variables, and 954 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1623 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 669/669 constraints, ReadFeed: 283/283 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 381/393 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/393 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 884/1277 variables, 393/394 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1277 variables, 144/538 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1277 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 448/1725 variables, 187/725 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1725 variables, 139/864 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1725 variables, 2/866 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1725 variables, 2/868 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1725 variables, 0/868 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 1/1726 variables, 1/869 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1726 variables, 1/870 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1726 variables, 1/871 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1726 variables, 3/874 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1726 variables, 0/874 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 99/1825 variables, 86/960 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1825 variables, 4/964 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1825 variables, 0/964 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 2/1827 variables, 2/966 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1827 variables, 0/966 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 0/1827 variables, 0/966 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1827/1827 variables, and 966 constraints, problems are : Problem set: 0 solved, 4 unsolved in 6291 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 669/669 constraints, ReadFeed: 283/283 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 7966ms problems are : Problem set: 0 solved, 4 unsolved
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
FORMULA FunctionPointer-PT-c004-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 396 ms.
Support contains 5 out of 669 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 669/669 places, 1730/1730 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 664 transition count 1718
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 664 transition count 1718
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 12 place count 664 transition count 1716
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 17 place count 659 transition count 1706
Iterating global reduction 1 with 5 rules applied. Total rules applied 22 place count 659 transition count 1706
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 27 place count 654 transition count 1688
Iterating global reduction 1 with 5 rules applied. Total rules applied 32 place count 654 transition count 1688
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 37 place count 649 transition count 1676
Iterating global reduction 1 with 5 rules applied. Total rules applied 42 place count 649 transition count 1676
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 47 place count 644 transition count 1666
Iterating global reduction 1 with 5 rules applied. Total rules applied 52 place count 644 transition count 1666
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 57 place count 639 transition count 1656
Iterating global reduction 1 with 5 rules applied. Total rules applied 62 place count 639 transition count 1656
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 67 place count 634 transition count 1646
Iterating global reduction 1 with 5 rules applied. Total rules applied 72 place count 634 transition count 1646
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 77 place count 629 transition count 1636
Iterating global reduction 1 with 5 rules applied. Total rules applied 82 place count 629 transition count 1636
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 87 place count 624 transition count 1626
Iterating global reduction 1 with 5 rules applied. Total rules applied 92 place count 624 transition count 1626
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 93 place count 623 transition count 1624
Iterating global reduction 1 with 1 rules applied. Total rules applied 94 place count 623 transition count 1624
Applied a total of 94 rules in 263 ms. Remains 623 /669 variables (removed 46) and now considering 1624/1730 (removed 106) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 263 ms. Remains : 623/669 places, 1624/1730 transitions.
RANDOM walk for 40002 steps (8 resets) in 216 ms. (184 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 392549 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 392549 steps, saw 254797 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2026-05-25 06:20:09] [INFO ] Flow matrix only has 1085 transitions (discarded 539 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7498126894126243471.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14267959560297578814.kers'
[2026-05-25 06:20:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7498126894126243471.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14267959560297578814.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1085 rows 623 cols 2982 entries
Finished phase 1 with 620 SingleSign rule and 1 generalized
[2026-05-25 06:20:09] [INFO ] Computed 2 invariants in 8 ms
Computed 2 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-14267959560297578814.kers
Total runtime 10 ms.
[2026-05-25 06:20:09] [INFO ] State equation strengthened by 268 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 382/387 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/387 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 786/1173 variables, 387/388 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1173 variables, 67/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1173 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 448/1621 variables, 157/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1621 variables, 201/813 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1621 variables, 0/813 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/1622 variables, 1/814 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1622 variables, 1/815 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1622 variables, 0/815 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 84/1706 variables, 76/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1706 variables, 0/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/1708 variables, 2/893 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1708 variables, 0/893 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1708 variables, 0/893 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1708/1708 variables, and 893 constraints, problems are : Problem set: 0 solved, 1 unsolved in 487 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 623/623 constraints, ReadFeed: 268/268 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 382/387 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/387 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 786/1173 variables, 387/388 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1173 variables, 67/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1173 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 448/1621 variables, 157/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1621 variables, 201/813 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1621 variables, 0/813 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/1622 variables, 1/814 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1622 variables, 1/815 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1622 variables, 0/815 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 84/1706 variables, 76/891 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1706 variables, 1/892 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1706 variables, 1/893 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1706 variables, 0/893 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/1708 variables, 2/895 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1708 variables, 0/895 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1708 variables, 0/895 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1708/1708 variables, and 895 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1017 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 623/623 constraints, ReadFeed: 268/268 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1550ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 5 out of 623 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1624/1624 transitions.
Applied a total of 0 rules in 83 ms. Remains 623 /623 variables (removed 0) and now considering 1624/1624 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 623/623 places, 1624/1624 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1624/1624 transitions.
Applied a total of 0 rules in 83 ms. Remains 623 /623 variables (removed 0) and now considering 1624/1624 (removed 0) transitions.
[2026-05-25 06:20:11] [INFO ] Flow matrix only has 1085 transitions (discarded 539 similar events)
[2026-05-25 06:20:11] [INFO ] Invariant cache hit.
[2026-05-25 06:20:11] [INFO ] Implicit Places using invariants in 353 ms returned []
[2026-05-25 06:20:11] [INFO ] Flow matrix only has 1085 transitions (discarded 539 similar events)
[2026-05-25 06:20:11] [INFO ] Invariant cache hit.
[2026-05-25 06:20:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2026-05-25 06:20:13] [INFO ] Implicit Places using invariants and state equation in 2289 ms returned []
Implicit Place search using SMT with State Equation took 2653 ms to find 0 implicit places.
[2026-05-25 06:20:13] [INFO ] Redundant transitions in 92 ms returned []
Running 1622 sub problems to find dead transitions.
[2026-05-25 06:20:13] [INFO ] Flow matrix only has 1085 transitions (discarded 539 similar events)
[2026-05-25 06:20:13] [INFO ] Invariant cache hit.
[2026-05-25 06:20:13] [INFO ] State equation strengthened by 268 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/623 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1622 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/623 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1622 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 623/1708 variables, and 2 constraints, problems are : Problem set: 0 solved, 1622 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/623 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 1622/1622 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1622 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/623 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1622 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/623 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1622 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 623/1708 variables, and 2 constraints, problems are : Problem set: 0 solved, 1622 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/623 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/1622 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62676ms problems are : Problem set: 0 solved, 1622 unsolved
Search for dead transitions found 0 dead transitions in 62697ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65552 ms. Remains : 623/623 places, 1624/1624 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 946 edges and 623 vertex of which 192 / 623 are part of one of the 64 SCC in 9 ms
Free SCC test removed 128 places
Drop transitions (Empty/Sink Transition effects.) removed 320 transitions
Ensure Unique test removed 411 transitions
Reduce isomorphic transitions removed 731 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 495 transition count 884
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 19 place count 486 transition count 884
Performed 75 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 75 Pre rules applied. Total rules applied 19 place count 486 transition count 809
Deduced a syphon composed of 75 places in 0 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 2 with 150 rules applied. Total rules applied 169 place count 411 transition count 809
Discarding 63 places :
Symmetric choice reduction at 2 with 63 rule applications. Total rules 232 place count 348 transition count 746
Iterating global reduction 2 with 63 rules applied. Total rules applied 295 place count 348 transition count 746
Ensure Unique test removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 2 with 126 rules applied. Total rules applied 421 place count 348 transition count 620
Performed 126 Post agglomeration using F-continuation condition.Transition count delta: 126
Deduced a syphon composed of 126 places in 1 ms
Reduce places removed 126 places and 0 transitions.
Iterating global reduction 3 with 252 rules applied. Total rules applied 673 place count 222 transition count 494
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 736 place count 159 transition count 368
Iterating global reduction 3 with 63 rules applied. Total rules applied 799 place count 159 transition count 368
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 800 place count 159 transition count 367
Discarding 62 places :
Symmetric choice reduction at 4 with 62 rule applications. Total rules 862 place count 97 transition count 243
Iterating global reduction 4 with 62 rules applied. Total rules applied 924 place count 97 transition count 243
Discarding 62 places :
Symmetric choice reduction at 4 with 62 rule applications. Total rules 986 place count 35 transition count 119
Iterating global reduction 4 with 62 rules applied. Total rules applied 1048 place count 35 transition count 119
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Iterating post reduction 4 with 60 rules applied. Total rules applied 1108 place count 35 transition count 59
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1110 place count 34 transition count 58
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 5 with 6 rules applied. Total rules applied 1116 place count 31 transition count 61
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 1119 place count 31 transition count 58
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 1120 place count 31 transition count 58
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 1121 place count 31 transition count 57
Applied a total of 1121 rules in 87 ms. Remains 31 /623 variables (removed 592) and now considering 57/1624 (removed 1567) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2572771202999433528.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10464518360697302811.kers'
[2026-05-25 06:21:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2572771202999433528.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10464518360697302811.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 57 rows 31 cols 186 entries
Finished phase 1 with 28 SingleSign rule and 1 generalized
[2026-05-25 06:21:16] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10464518360697302811.kers
Total runtime 0 ms.
[2026-05-25 06:21:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 06:21:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 06:21:16] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-25 06:21:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 06:21:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 06:21:16] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-25 06:21:16] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-25 06:21:16] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 06:21:16] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 06:21:16] [INFO ] After 55ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-25 06:21:16] [INFO ] Flatten gal took : 3 ms
[2026-05-25 06:21:16] [INFO ] Flatten gal took : 3 ms
[2026-05-25 06:21:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17042293597711387818.gal : 1 ms
[2026-05-25 06:21:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8028751827760568603.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17042293597711387818.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8028751827760568603.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality8028751827760568603.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 55
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :55 after 1236
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1236 after 5436
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :5436 after 13584
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :13584 after 29880
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :29880 after 62220
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :62220 after 126900
Detected timeout of ITS tools.
[2026-05-25 06:21:31] [INFO ] Flatten gal took : 2 ms
[2026-05-25 06:21:31] [INFO ] Applying decomposition
[2026-05-25 06:21:31] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14361095806936872492.txt' '-o' '/tmp/graph14361095806936872492.bin' '-w' '/tmp/graph14361095806936872492.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14361095806936872492.bin' '-l' '-1' '-v' '-w' '/tmp/graph14361095806936872492.weights' '-q' '0' '-e' '0.001'
[2026-05-25 06:21:31] [INFO ] Decomposing Gal with order
[2026-05-25 06:21:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 06:21:31] [INFO ] Removed a total of 71 redundant transitions.
[2026-05-25 06:21:31] [INFO ] Flatten gal took : 61 ms
[2026-05-25 06:21:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 4 ms.
[2026-05-25 06:21:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8363500559372780020.gal : 4 ms
[2026-05-25 06:21:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1069067215484343190.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8363500559372780020.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1069067215484343190.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality1069067215484343190.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 75
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :75 after 2069
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :2069 after 2102
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2102 after 12875
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :12875 after 61873
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :61873 after 273835
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :273835 after 1.15774e+06
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30437 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 06:21:47] [INFO ] Flatten gal took : 160 ms
[2026-05-25 06:21:47] [INFO ] Applying decomposition
[2026-05-25 06:21:47] [INFO ] Flatten gal took : 153 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph987940508988828567.txt' '-o' '/tmp/graph987940508988828567.bin' '-w' '/tmp/graph987940508988828567.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph987940508988828567.bin' '-l' '-1' '-v' '-w' '/tmp/graph987940508988828567.weights' '-q' '0' '-e' '0.001'
[2026-05-25 06:21:47] [INFO ] Decomposing Gal with order
[2026-05-25 06:21:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 06:21:49] [INFO ] Removed a total of 7550 redundant transitions.
[2026-05-25 06:21:49] [INFO ] Flatten gal took : 1058 ms
[2026-05-25 06:21:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 5269 labels/synchronizations in 403 ms.
[2026-05-25 06:21:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1295934923006678702.gal : 38 ms
[2026-05-25 06:21:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality873737478065965489.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1295934923006678702.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality873737478065965489.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality873737478065965489.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 23
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :23 after 48
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :48 after 105
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :105 after 223
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :223 after 484
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :484 after 986
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :986 after 2222
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2222 after 91823
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :91823 after 189280
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :189280 after 389718
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :389718 after 838780
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :838780 after 1.96167e+06
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.96167e+06 after 2.57629e+07
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.57629e+07 after 1.3543e+08
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.3543e+08 after 3.00619e+08
SDD proceeding with computation,1 properties remain. new max is 524288
SDD size :3.00619e+08 after 1.46736e+09
Detected timeout of ITS tools.
[2026-05-25 06:51:54] [INFO ] Flatten gal took : 432 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin14845342730960334706
[2026-05-25 06:51:54] [INFO ] Applying decomposition
[2026-05-25 06:51:54] [INFO ] Too many transitions (1624) to apply POR reductions. Disabling POR matrices.
[2026-05-25 06:51:55] [INFO ] Flatten gal took : 396 ms
[2026-05-25 06:51:55] [INFO ] Built C files in 639ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14845342730960334706
Running compilation step : cd /tmp/ltsmin14845342730960334706;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph10374747494488431156.txt' '-o' '/tmp/graph10374747494488431156.bin' '-w' '/tmp/graph10374747494488431156.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10374747494488431156.bin' '-l' '-1' '-v' '-w' '/tmp/graph10374747494488431156.weights' '-q' '0' '-e' '0.001'
[2026-05-25 06:51:57] [INFO ] Decomposing Gal with order
[2026-05-25 06:51:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 06:51:57] [INFO ] Removed a total of 2696 redundant transitions.
[2026-05-25 06:51:57] [INFO ] Flatten gal took : 350 ms
[2026-05-25 06:51:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 1119 labels/synchronizations in 119 ms.
[2026-05-25 06:51:57] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability1064897795347085468.gal : 19 ms
[2026-05-25 06:51:57] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability1713888822559729947.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability1064897795347085468.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability1713888822559729947.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityFireability1713888822559729947.prop.
Compilation finished in 3727 ms.
Running link step : cd /tmp/ltsmin14845342730960334706;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin14845342730960334706;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-i' 'FunctionPointerPTc004ReachabilityFireability202406==true'
BK_TIME_CONFINEMENT_REACHED
--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="FunctionPointer-PT-c004"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5973"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-c004, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r146-tall-177961074000127"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c004.tgz
mv FunctionPointer-PT-c004 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;