About the Execution of Smart+red for MultiCrashLeafsetExtension-PT-S16C06
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1585.271 | 279095.00 | 318918.00 | 788.90 | TF?FFTT?FFFFTFTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r235-tall-167856422300783.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool smartxred
Input is MultiCrashLeafsetExtension-PT-S16C06, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r235-tall-167856422300783
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.7M
-rw-r--r-- 1 mcc users 13K Feb 26 03:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 26 03:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 03:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K Feb 26 03:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.5K Feb 25 16:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Feb 25 16:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 16:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 16:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 22K Feb 26 03:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Feb 26 03:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 03:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 26 03:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.4K Feb 25 16:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 5.2M Mar 5 18:22 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-00
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-01
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-02
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-03
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-04
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-05
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-06
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-07
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-08
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-09
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-10
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-11
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-12
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-13
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-14
FORMULA_NAME MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-15
=== Now, execution of the tool begins
BK_START 1678696141921
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=smartxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MultiCrashLeafsetExtension-PT-S16C06
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-13 08:29:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-13 08:29:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 08:29:03] [INFO ] Load time of PNML (sax parser for PT used): 264 ms
[2023-03-13 08:29:03] [INFO ] Transformed 5568 places.
[2023-03-13 08:29:03] [INFO ] Transformed 7799 transitions.
[2023-03-13 08:29:03] [INFO ] Parsed PT model containing 5568 places and 7799 transitions and 29646 arcs in 461 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 159 resets, run finished after 541 ms. (steps per millisecond=18 ) properties (out of 16) seen :2
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 149 ms. (steps per millisecond=67 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 14) seen :1
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 13) seen :1
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running SMT prover for 12 properties.
[2023-03-13 08:29:06] [INFO ] Flow matrix only has 7527 transitions (discarded 272 similar events)
// Phase 1: matrix 7527 rows 5568 cols
[2023-03-13 08:29:06] [INFO ] Computed 573 place invariants in 326 ms
[2023-03-13 08:29:08] [INFO ] [Real]Absence check using 50 positive place invariants in 34 ms returned sat
[2023-03-13 08:29:08] [INFO ] [Real]Absence check using 50 positive and 523 generalized place invariants in 243 ms returned sat
[2023-03-13 08:29:20] [INFO ] After 13640ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:10
[2023-03-13 08:29:21] [INFO ] [Nat]Absence check using 50 positive place invariants in 21 ms returned sat
[2023-03-13 08:29:21] [INFO ] [Nat]Absence check using 50 positive and 523 generalized place invariants in 200 ms returned sat
[2023-03-13 08:29:36] [INFO ] After 13909ms SMT Verify possible using state equation in natural domain returned unsat :6 sat :6
[2023-03-13 08:29:36] [INFO ] State equation strengthened by 2178 read => feed constraints.
[2023-03-13 08:29:45] [INFO ] After 9230ms SMT Verify possible using 2178 Read/Feed constraints in natural domain returned unsat :6 sat :5
[2023-03-13 08:29:45] [INFO ] After 9234ms SMT Verify possible using trap constraints in natural domain returned unsat :6 sat :5
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-13 08:29:45] [INFO ] After 25077ms SMT Verify possible using all constraints in natural domain returned unsat :6 sat :5
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 12 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 44 ms.
Support contains 66 out of 5568 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5568/5568 places, 7799/7799 transitions.
Graph (complete) has 17461 edges and 5568 vertex of which 5536 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.19 ms
Discarding 32 places :
Also discarding 0 output transitions
Drop transitions removed 1567 transitions
Trivial Post-agglo rules discarded 1567 transitions
Performed 1567 trivial Post agglomeration. Transition count delta: 1567
Iterating post reduction 0 with 1567 rules applied. Total rules applied 1568 place count 5536 transition count 6232
Reduce places removed 1567 places and 0 transitions.
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Iterating post reduction 1 with 1623 rules applied. Total rules applied 3191 place count 3969 transition count 6176
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 3247 place count 3913 transition count 6176
Performed 197 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 197 Pre rules applied. Total rules applied 3247 place count 3913 transition count 5979
Deduced a syphon composed of 197 places in 5 ms
Reduce places removed 197 places and 0 transitions.
Iterating global reduction 3 with 394 rules applied. Total rules applied 3641 place count 3716 transition count 5979
Discarding 1412 places :
Symmetric choice reduction at 3 with 1412 rule applications. Total rules 5053 place count 2304 transition count 4567
Iterating global reduction 3 with 1412 rules applied. Total rules applied 6465 place count 2304 transition count 4567
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 6465 place count 2304 transition count 4565
Deduced a syphon composed of 2 places in 22 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 6469 place count 2302 transition count 4565
Discarding 212 places :
Symmetric choice reduction at 3 with 212 rule applications. Total rules 6681 place count 2090 transition count 3293
Iterating global reduction 3 with 212 rules applied. Total rules applied 6893 place count 2090 transition count 3293
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 3 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 6921 place count 2076 transition count 3279
Free-agglomeration rule (complex) applied 152 times.
Iterating global reduction 3 with 152 rules applied. Total rules applied 7073 place count 2076 transition count 4122
Reduce places removed 152 places and 0 transitions.
Iterating post reduction 3 with 152 rules applied. Total rules applied 7225 place count 1924 transition count 4122
Partial Free-agglomeration rule applied 163 times.
Drop transitions removed 163 transitions
Iterating global reduction 4 with 163 rules applied. Total rules applied 7388 place count 1924 transition count 4122
Applied a total of 7388 rules in 1936 ms. Remains 1924 /5568 variables (removed 3644) and now considering 4122/7799 (removed 3677) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1937 ms. Remains : 1924/5568 places, 4122/7799 transitions.
Incomplete random walk after 10000 steps, including 258 resets, run finished after 324 ms. (steps per millisecond=30 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 48 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 6) seen :0
Interrupted probabilistic random walk after 48597 steps, run timeout after 3001 ms. (steps per millisecond=16 ) properties seen :{}
Probabilistic random walk after 48597 steps, saw 21863 distinct states, run finished after 3003 ms. (steps per millisecond=16 ) properties seen :0
Running SMT prover for 6 properties.
[2023-03-13 08:29:50] [INFO ] Flow matrix only has 3746 transitions (discarded 376 similar events)
// Phase 1: matrix 3746 rows 1924 cols
[2023-03-13 08:29:51] [INFO ] Computed 541 place invariants in 50 ms
[2023-03-13 08:29:51] [INFO ] [Real]Absence check using 33 positive place invariants in 34 ms returned sat
[2023-03-13 08:29:51] [INFO ] [Real]Absence check using 33 positive and 508 generalized place invariants in 100 ms returned sat
[2023-03-13 08:29:51] [INFO ] After 560ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-13 08:29:51] [INFO ] [Nat]Absence check using 33 positive place invariants in 33 ms returned sat
[2023-03-13 08:29:52] [INFO ] [Nat]Absence check using 33 positive and 508 generalized place invariants in 100 ms returned sat
[2023-03-13 08:29:55] [INFO ] After 3624ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-13 08:29:55] [INFO ] State equation strengthened by 2113 read => feed constraints.
[2023-03-13 08:30:02] [INFO ] After 7017ms SMT Verify possible using 2113 Read/Feed constraints in natural domain returned unsat :3 sat :3
[2023-03-13 08:30:04] [INFO ] Deduced a trap composed of 229 places in 1387 ms of which 9 ms to minimize.
[2023-03-13 08:30:06] [INFO ] Deduced a trap composed of 272 places in 1288 ms of which 3 ms to minimize.
[2023-03-13 08:30:07] [INFO ] Deduced a trap composed of 273 places in 1328 ms of which 4 ms to minimize.
[2023-03-13 08:30:09] [INFO ] Deduced a trap composed of 139 places in 1295 ms of which 3 ms to minimize.
[2023-03-13 08:30:10] [INFO ] Deduced a trap composed of 211 places in 1257 ms of which 2 ms to minimize.
[2023-03-13 08:30:12] [INFO ] Deduced a trap composed of 235 places in 1196 ms of which 2 ms to minimize.
[2023-03-13 08:30:13] [INFO ] Deduced a trap composed of 304 places in 1257 ms of which 2 ms to minimize.
[2023-03-13 08:30:15] [INFO ] Deduced a trap composed of 272 places in 1302 ms of which 2 ms to minimize.
[2023-03-13 08:30:15] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 12491 ms
[2023-03-13 08:30:16] [INFO ] After 20705ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :2
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-13 08:30:16] [INFO ] After 25023ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :2
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 6 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 13 ms.
Support contains 48 out of 1924 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1924/1924 places, 4122/4122 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 1924 transition count 4119
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 1921 transition count 4119
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 6 place count 1921 transition count 4116
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 12 place count 1918 transition count 4116
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 15 place count 1915 transition count 4113
Iterating global reduction 2 with 3 rules applied. Total rules applied 18 place count 1915 transition count 4113
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 18 place count 1915 transition count 4112
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 20 place count 1914 transition count 4112
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 1914 transition count 4110
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 24 place count 1912 transition count 4110
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 25 place count 1911 transition count 4109
Iterating global reduction 3 with 1 rules applied. Total rules applied 26 place count 1911 transition count 4109
Partial Free-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 3 with 4 rules applied. Total rules applied 30 place count 1911 transition count 4109
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 32 place count 1909 transition count 4107
Iterating global reduction 3 with 2 rules applied. Total rules applied 34 place count 1909 transition count 4107
Applied a total of 34 rules in 600 ms. Remains 1909 /1924 variables (removed 15) and now considering 4107/4122 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 600 ms. Remains : 1909/1924 places, 4107/4122 transitions.
Incomplete random walk after 10000 steps, including 260 resets, run finished after 319 ms. (steps per millisecond=31 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 48 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 47948 steps, run timeout after 3001 ms. (steps per millisecond=15 ) properties seen :{}
Probabilistic random walk after 47948 steps, saw 21564 distinct states, run finished after 3001 ms. (steps per millisecond=15 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-13 08:30:20] [INFO ] Flow matrix only has 3731 transitions (discarded 376 similar events)
// Phase 1: matrix 3731 rows 1909 cols
[2023-03-13 08:30:20] [INFO ] Computed 541 place invariants in 52 ms
[2023-03-13 08:30:21] [INFO ] [Real]Absence check using 33 positive place invariants in 28 ms returned sat
[2023-03-13 08:30:21] [INFO ] [Real]Absence check using 33 positive and 508 generalized place invariants in 90 ms returned sat
[2023-03-13 08:30:21] [INFO ] After 484ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-13 08:30:21] [INFO ] [Nat]Absence check using 33 positive place invariants in 28 ms returned sat
[2023-03-13 08:30:21] [INFO ] [Nat]Absence check using 33 positive and 508 generalized place invariants in 102 ms returned sat
[2023-03-13 08:30:23] [INFO ] After 1892ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-13 08:30:23] [INFO ] State equation strengthened by 2113 read => feed constraints.
[2023-03-13 08:30:26] [INFO ] After 2580ms SMT Verify possible using 2113 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-13 08:30:27] [INFO ] Deduced a trap composed of 293 places in 1217 ms of which 2 ms to minimize.
[2023-03-13 08:30:29] [INFO ] Deduced a trap composed of 256 places in 1279 ms of which 1 ms to minimize.
[2023-03-13 08:30:29] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 3022 ms
[2023-03-13 08:30:32] [INFO ] Deduced a trap composed of 263 places in 1507 ms of which 3 ms to minimize.
[2023-03-13 08:30:33] [INFO ] Deduced a trap composed of 275 places in 1366 ms of which 2 ms to minimize.
[2023-03-13 08:30:35] [INFO ] Deduced a trap composed of 279 places in 1459 ms of which 2 ms to minimize.
[2023-03-13 08:30:37] [INFO ] Deduced a trap composed of 250 places in 1463 ms of which 2 ms to minimize.
[2023-03-13 08:30:38] [INFO ] Deduced a trap composed of 272 places in 1355 ms of which 2 ms to minimize.
[2023-03-13 08:30:40] [INFO ] Deduced a trap composed of 263 places in 1472 ms of which 2 ms to minimize.
[2023-03-13 08:30:42] [INFO ] Deduced a trap composed of 223 places in 1418 ms of which 1 ms to minimize.
[2023-03-13 08:30:44] [INFO ] Deduced a trap composed of 227 places in 1421 ms of which 4 ms to minimize.
[2023-03-13 08:30:45] [INFO ] Deduced a trap composed of 270 places in 1418 ms of which 1 ms to minimize.
[2023-03-13 08:30:47] [INFO ] Deduced a trap composed of 2 places in 1505 ms of which 2 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-13 08:30:47] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-13 08:30:47] [INFO ] After 26540ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 10 ms.
Support contains 48 out of 1909 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1909/1909 places, 4107/4107 transitions.
Applied a total of 0 rules in 122 ms. Remains 1909 /1909 variables (removed 0) and now considering 4107/4107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 1909/1909 places, 4107/4107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1909/1909 places, 4107/4107 transitions.
Applied a total of 0 rules in 108 ms. Remains 1909 /1909 variables (removed 0) and now considering 4107/4107 (removed 0) transitions.
[2023-03-13 08:30:48] [INFO ] Flow matrix only has 3731 transitions (discarded 376 similar events)
[2023-03-13 08:30:48] [INFO ] Invariant cache hit.
[2023-03-13 08:30:51] [INFO ] Implicit Places using invariants in 3421 ms returned [4, 8, 10, 11, 12, 13, 14, 15, 16, 20, 26, 35, 45, 57, 71, 86, 100, 101, 102, 103, 104, 105, 106, 119, 129, 137, 143, 147, 149, 164, 170, 172, 173, 174, 175, 176, 177, 178, 180, 184, 191, 199, 209, 221, 234, 246, 247, 248, 249, 250, 251, 252, 263, 271, 277, 281, 283, 285, 300, 306, 308, 309, 310, 311, 312, 313, 314, 316, 318, 323, 329, 337, 347, 358, 368, 369, 370, 371, 372, 373, 374, 383, 389, 393, 395, 397, 399, 414, 420, 422, 423, 424, 425, 426, 427, 428, 431, 433, 436, 440, 446, 454, 463, 471, 472, 473, 474, 475, 476, 477, 484, 488, 490, 492, 494, 496, 511, 518, 520, 521, 522, 523, 524, 525, 526, 528, 530, 533, 535, 540, 547, 554, 560, 561, 562, 563, 564, 565, 566, 571, 573, 575, 577, 579, 581, 596, 602, 605, 606, 607, 609, 610, 611, 613, 615, 619, 621, 623, 627, 632, 636, 637, 638, 639, 640, 641, 642, 645, 647, 649, 651, 653, 655, 670, 676, 678, 679, 680, 681, 682, 683, 684, 686, 688, 690, 692, 694, 696, 699, 701, 702, 703, 704, 705, 706, 707, 709, 711, 713, 715, 717, 719, 734, 740, 742, 744, 745, 746, 747, 748, 750, 752, 754, 756, 758, 760, 764, 766, 768, 769, 770, 771, 772, 775, 777, 779, 781, 783, 785, 801, 803, 806, 808, 809, 810, 811, 812, 813, 814, 816, 818, 820, 822, 824, 826, 828, 831, 832, 833, 834, 835, 836, 837, 839, 841, 843, 845, 847, 849, 864, 870, 872, 873, 874, 875, 876, 877, 878, 881, 883, 885, 887, 889, 891, 893, 895, 896, 897, 899, 900, 901, 903, 905, 909, 911, 913, 915, 930, 937, 939, 940, 941, 942, 943, 945, 947, 949, 952, 954, 956, 958, 961, 964, 965, 966, 968, 969, 970, 972, 974, 976, 978, 980, 982, 1000, 1006, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1017, 1019, 1021, 1023, 1025, 1027, 1031, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1046, 1049, 1051, 1054, 1056, 1058, 1073, 1079, 1081, 1082, 1084, 1085, 1086, 1087, 1089, 1091, 1093, 1095, 1099, 1103, 1109, 1117, 1118, 1119, 1120, 1121, 1122, 1130, 1135, 1137, 1139, 1141, 1143, 1158, 1164, 1166, 1167, 1169, 1170, 1171, 1172, 1174, 1176, 1179, 1182, 1186, 1192, 1200, 1209, 1210, 1211, 1212, 1213, 1214, 1215, 1223, 1231, 1235, 1237, 1239, 1241, 1257, 1263, 1265, 1266, 1267, 1268, 1269, 1270, 1271, 1273, 1275, 1277, 1282, 1288, 1296, 1306, 1318, 1319, 1320, 1321, 1322, 1323, 1324, 1334, 1343, 1349, 1353, 1355, 1357, 1372, 1378, 1380, 1381, 1382, 1383, 1384, 1385, 1386, 1388, 1390, 1394, 1401, 1409, 1419, 1431, 1444, 1445, 1446, 1447, 1449, 1450, 1463, 1474, 1482, 1489, 1493, 1495, 1511, 1513, 1516, 1518, 1519, 1520, 1521, 1522, 1523, 1524, 1526, 1530, 1536, 1545, 1555, 1567, 1581, 1596, 1597, 1598, 1599, 1600, 1601, 1602, 1616, 1629, 1639, 1647, 1653, 1657, 1672]
Discarding 486 places :
Implicit Place search using SMT only with invariants took 3433 ms to find 486 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1423/1909 places, 4107/4107 transitions.
Discarding 182 places :
Symmetric choice reduction at 0 with 182 rule applications. Total rules 182 place count 1241 transition count 3925
Iterating global reduction 0 with 182 rules applied. Total rules applied 364 place count 1241 transition count 3925
Discarding 182 places :
Symmetric choice reduction at 0 with 182 rule applications. Total rules 546 place count 1059 transition count 3743
Iterating global reduction 0 with 182 rules applied. Total rules applied 728 place count 1059 transition count 3743
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 0 with 3 rules applied. Total rules applied 731 place count 1059 transition count 3740
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 734 place count 1056 transition count 3740
Applied a total of 734 rules in 224 ms. Remains 1056 /1423 variables (removed 367) and now considering 3740/4107 (removed 367) transitions.
[2023-03-13 08:30:51] [INFO ] Flow matrix only has 3364 transitions (discarded 376 similar events)
// Phase 1: matrix 3364 rows 1056 cols
[2023-03-13 08:30:51] [INFO ] Computed 55 place invariants in 35 ms
[2023-03-13 08:30:52] [INFO ] Implicit Places using invariants in 949 ms returned []
[2023-03-13 08:30:52] [INFO ] Flow matrix only has 3364 transitions (discarded 376 similar events)
[2023-03-13 08:30:52] [INFO ] Invariant cache hit.
[2023-03-13 08:30:53] [INFO ] State equation strengthened by 2113 read => feed constraints.
[2023-03-13 08:31:13] [INFO ] Implicit Places using invariants and state equation in 20430 ms returned []
Implicit Place search using SMT with State Equation took 21383 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 1056/1909 places, 3740/4107 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 25148 ms. Remains : 1056/1909 places, 3740/4107 transitions.
Incomplete random walk after 10000 steps, including 275 resets, run finished after 196 ms. (steps per millisecond=51 ) properties (out of 3) seen :1
FORMULA MultiCrashLeafsetExtension-PT-S16C06-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 40 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-13 08:31:13] [INFO ] Flow matrix only has 3364 transitions (discarded 376 similar events)
[2023-03-13 08:31:13] [INFO ] Invariant cache hit.
[2023-03-13 08:31:13] [INFO ] [Real]Absence check using 31 positive place invariants in 18 ms returned sat
[2023-03-13 08:31:13] [INFO ] [Real]Absence check using 31 positive and 24 generalized place invariants in 9 ms returned sat
[2023-03-13 08:31:13] [INFO ] After 195ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-13 08:31:13] [INFO ] [Nat]Absence check using 31 positive place invariants in 23 ms returned sat
[2023-03-13 08:31:13] [INFO ] [Nat]Absence check using 31 positive and 24 generalized place invariants in 5 ms returned sat
[2023-03-13 08:31:14] [INFO ] After 1113ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-13 08:31:14] [INFO ] State equation strengthened by 2113 read => feed constraints.
[2023-03-13 08:31:15] [INFO ] After 863ms SMT Verify possible using 2113 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-13 08:31:16] [INFO ] Deduced a trap composed of 102 places in 535 ms of which 1 ms to minimize.
[2023-03-13 08:31:17] [INFO ] Deduced a trap composed of 102 places in 522 ms of which 13 ms to minimize.
[2023-03-13 08:31:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2131 ms
[2023-03-13 08:31:19] [INFO ] Deduced a trap composed of 103 places in 519 ms of which 1 ms to minimize.
[2023-03-13 08:31:20] [INFO ] Deduced a trap composed of 95 places in 527 ms of which 1 ms to minimize.
[2023-03-13 08:31:21] [INFO ] Deduced a trap composed of 93 places in 508 ms of which 1 ms to minimize.
[2023-03-13 08:31:22] [INFO ] Deduced a trap composed of 111 places in 517 ms of which 1 ms to minimize.
[2023-03-13 08:31:23] [INFO ] Deduced a trap composed of 113 places in 554 ms of which 1 ms to minimize.
[2023-03-13 08:31:24] [INFO ] Deduced a trap composed of 106 places in 507 ms of which 0 ms to minimize.
[2023-03-13 08:31:24] [INFO ] Deduced a trap composed of 102 places in 516 ms of which 1 ms to minimize.
[2023-03-13 08:31:25] [INFO ] Deduced a trap composed of 134 places in 532 ms of which 1 ms to minimize.
[2023-03-13 08:31:26] [INFO ] Deduced a trap composed of 110 places in 513 ms of which 1 ms to minimize.
[2023-03-13 08:31:26] [INFO ] Deduced a trap composed of 97 places in 510 ms of which 1 ms to minimize.
[2023-03-13 08:31:27] [INFO ] Deduced a trap composed of 109 places in 527 ms of which 0 ms to minimize.
[2023-03-13 08:31:28] [INFO ] Deduced a trap composed of 86 places in 514 ms of which 1 ms to minimize.
[2023-03-13 08:31:29] [INFO ] Deduced a trap composed of 87 places in 518 ms of which 5 ms to minimize.
[2023-03-13 08:31:30] [INFO ] Deduced a trap composed of 112 places in 515 ms of which 1 ms to minimize.
[2023-03-13 08:31:30] [INFO ] Deduced a trap composed of 118 places in 527 ms of which 1 ms to minimize.
[2023-03-13 08:31:31] [INFO ] Deduced a trap composed of 99 places in 525 ms of which 1 ms to minimize.
[2023-03-13 08:31:32] [INFO ] Deduced a trap composed of 104 places in 519 ms of which 1 ms to minimize.
[2023-03-13 08:31:33] [INFO ] Deduced a trap composed of 95 places in 514 ms of which 1 ms to minimize.
[2023-03-13 08:31:34] [INFO ] Deduced a trap composed of 110 places in 502 ms of which 1 ms to minimize.
[2023-03-13 08:31:34] [INFO ] Deduced a trap composed of 100 places in 511 ms of which 1 ms to minimize.
[2023-03-13 08:31:35] [INFO ] Deduced a trap composed of 107 places in 530 ms of which 4 ms to minimize.
[2023-03-13 08:31:36] [INFO ] Deduced a trap composed of 99 places in 504 ms of which 1 ms to minimize.
[2023-03-13 08:31:37] [INFO ] Deduced a trap composed of 88 places in 515 ms of which 1 ms to minimize.
[2023-03-13 08:31:37] [INFO ] Deduced a trap composed of 90 places in 517 ms of which 1 ms to minimize.
[2023-03-13 08:31:38] [INFO ] Deduced a trap composed of 77 places in 499 ms of which 0 ms to minimize.
[2023-03-13 08:31:38] [INFO ] Trap strengthening (SAT) tested/added 25/25 trap constraints in 19875 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:769)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-13 08:31:38] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-13 08:31:38] [INFO ] After 25030ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:2
Parikh walk visited 0 properties in 5 ms.
Support contains 30 out of 1056 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1056/1056 places, 3740/3740 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 1056 transition count 3737
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 1053 transition count 3737
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 6 place count 1053 transition count 3736
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 1052 transition count 3736
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 11 place count 1049 transition count 3723
Iterating global reduction 2 with 3 rules applied. Total rules applied 14 place count 1049 transition count 3723
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 18 place count 1047 transition count 3721
Free-agglomeration rule (complex) applied 18 times.
Iterating global reduction 2 with 18 rules applied. Total rules applied 36 place count 1047 transition count 3778
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 2 with 18 rules applied. Total rules applied 54 place count 1029 transition count 3778
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 56 place count 1027 transition count 3776
Iterating global reduction 3 with 2 rules applied. Total rules applied 58 place count 1027 transition count 3776
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 59 place count 1027 transition count 3776
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 60 place count 1026 transition count 3775
Iterating global reduction 3 with 1 rules applied. Total rules applied 61 place count 1026 transition count 3775
Applied a total of 61 rules in 373 ms. Remains 1026 /1056 variables (removed 30) and now considering 3775/3740 (removed -35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 373 ms. Remains : 1026/1056 places, 3775/3740 transitions.
Incomplete random walk after 10000 steps, including 280 resets, run finished after 204 ms. (steps per millisecond=49 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 40 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 62425 steps, run timeout after 3001 ms. (steps per millisecond=20 ) properties seen :{}
Probabilistic random walk after 62425 steps, saw 26454 distinct states, run finished after 3001 ms. (steps per millisecond=20 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-13 08:31:42] [INFO ] Flow matrix only has 3387 transitions (discarded 388 similar events)
// Phase 1: matrix 3387 rows 1026 cols
[2023-03-13 08:31:42] [INFO ] Computed 55 place invariants in 28 ms
[2023-03-13 08:31:42] [INFO ] [Real]Absence check using 31 positive place invariants in 18 ms returned sat
[2023-03-13 08:31:42] [INFO ] [Real]Absence check using 31 positive and 24 generalized place invariants in 7 ms returned sat
[2023-03-13 08:31:42] [INFO ] After 183ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-13 08:31:42] [INFO ] [Nat]Absence check using 31 positive place invariants in 17 ms returned sat
[2023-03-13 08:31:42] [INFO ] [Nat]Absence check using 31 positive and 24 generalized place invariants in 12 ms returned sat
[2023-03-13 08:31:43] [INFO ] After 1031ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-13 08:31:43] [INFO ] State equation strengthened by 2178 read => feed constraints.
[2023-03-13 08:31:45] [INFO ] After 1240ms SMT Verify possible using 2178 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-13 08:31:46] [INFO ] Deduced a trap composed of 145 places in 437 ms of which 1 ms to minimize.
[2023-03-13 08:31:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 864 ms
[2023-03-13 08:31:47] [INFO ] After 3395ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 730 ms.
[2023-03-13 08:31:47] [INFO ] After 5342ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 2 ms.
Support contains 30 out of 1026 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1026/1026 places, 3775/3775 transitions.
Applied a total of 0 rules in 85 ms. Remains 1026 /1026 variables (removed 0) and now considering 3775/3775 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 1026/1026 places, 3775/3775 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1026/1026 places, 3775/3775 transitions.
Applied a total of 0 rules in 88 ms. Remains 1026 /1026 variables (removed 0) and now considering 3775/3775 (removed 0) transitions.
[2023-03-13 08:31:48] [INFO ] Flow matrix only has 3387 transitions (discarded 388 similar events)
[2023-03-13 08:31:48] [INFO ] Invariant cache hit.
[2023-03-13 08:31:49] [INFO ] Implicit Places using invariants in 989 ms returned [400, 541, 589, 634]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 992 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1022/1026 places, 3775/3775 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 1018 transition count 3771
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 1018 transition count 3771
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 1014 transition count 3767
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 1014 transition count 3767
Applied a total of 16 rules in 141 ms. Remains 1014 /1022 variables (removed 8) and now considering 3767/3775 (removed 8) transitions.
[2023-03-13 08:31:49] [INFO ] Flow matrix only has 3379 transitions (discarded 388 similar events)
// Phase 1: matrix 3379 rows 1014 cols
[2023-03-13 08:31:49] [INFO ] Computed 51 place invariants in 33 ms
[2023-03-13 08:31:50] [INFO ] Implicit Places using invariants in 1006 ms returned []
[2023-03-13 08:31:50] [INFO ] Flow matrix only has 3379 transitions (discarded 388 similar events)
[2023-03-13 08:31:50] [INFO ] Invariant cache hit.
[2023-03-13 08:31:51] [INFO ] State equation strengthened by 2178 read => feed constraints.
[2023-03-13 08:32:06] [INFO ] Implicit Places using invariants and state equation in 16030 ms returned []
Implicit Place search using SMT with State Equation took 17039 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 1014/1026 places, 3767/3775 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 18262 ms. Remains : 1014/1026 places, 3767/3775 transitions.
Incomplete random walk after 10000 steps, including 280 resets, run finished after 235 ms. (steps per millisecond=42 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 40 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 61669 steps, run timeout after 3001 ms. (steps per millisecond=20 ) properties seen :{}
Probabilistic random walk after 61669 steps, saw 26011 distinct states, run finished after 3001 ms. (steps per millisecond=20 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-13 08:32:09] [INFO ] Flow matrix only has 3379 transitions (discarded 388 similar events)
[2023-03-13 08:32:09] [INFO ] Invariant cache hit.
[2023-03-13 08:32:09] [INFO ] [Real]Absence check using 31 positive place invariants in 18 ms returned sat
[2023-03-13 08:32:09] [INFO ] [Real]Absence check using 31 positive and 20 generalized place invariants in 20 ms returned sat
[2023-03-13 08:32:09] [INFO ] After 198ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-13 08:32:09] [INFO ] [Nat]Absence check using 31 positive place invariants in 20 ms returned sat
[2023-03-13 08:32:09] [INFO ] [Nat]Absence check using 31 positive and 20 generalized place invariants in 10 ms returned sat
[2023-03-13 08:32:11] [INFO ] After 1048ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-13 08:32:11] [INFO ] State equation strengthened by 2178 read => feed constraints.
[2023-03-13 08:32:11] [INFO ] After 860ms SMT Verify possible using 2178 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-13 08:32:12] [INFO ] After 1376ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 249 ms.
[2023-03-13 08:32:12] [INFO ] After 2869ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 1 ms.
Support contains 30 out of 1014 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1014/1014 places, 3767/3767 transitions.
Applied a total of 0 rules in 88 ms. Remains 1014 /1014 variables (removed 0) and now considering 3767/3767 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 1014/1014 places, 3767/3767 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1014/1014 places, 3767/3767 transitions.
Applied a total of 0 rules in 89 ms. Remains 1014 /1014 variables (removed 0) and now considering 3767/3767 (removed 0) transitions.
[2023-03-13 08:32:12] [INFO ] Flow matrix only has 3379 transitions (discarded 388 similar events)
[2023-03-13 08:32:12] [INFO ] Invariant cache hit.
[2023-03-13 08:32:13] [INFO ] Implicit Places using invariants in 964 ms returned []
[2023-03-13 08:32:13] [INFO ] Flow matrix only has 3379 transitions (discarded 388 similar events)
[2023-03-13 08:32:13] [INFO ] Invariant cache hit.
[2023-03-13 08:32:14] [INFO ] State equation strengthened by 2178 read => feed constraints.
[2023-03-13 08:32:31] [INFO ] Implicit Places using invariants and state equation in 17504 ms returned []
Implicit Place search using SMT with State Equation took 18471 ms to find 0 implicit places.
[2023-03-13 08:32:31] [INFO ] Redundant transitions in 268 ms returned []
[2023-03-13 08:32:31] [INFO ] Flow matrix only has 3379 transitions (discarded 388 similar events)
[2023-03-13 08:32:31] [INFO ] Invariant cache hit.
[2023-03-13 08:32:32] [INFO ] Dead Transitions using invariants and state equation in 1234 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20074 ms. Remains : 1014/1014 places, 3767/3767 transitions.
Graph (trivial) has 1019 edges and 1014 vertex of which 16 / 1014 are part of one of the 1 SCC in 4 ms
Free SCC test removed 15 places
Drop transitions removed 262 transitions
Ensure Unique test removed 384 transitions
Reduce isomorphic transitions removed 646 transitions.
Graph (complete) has 4434 edges and 999 vertex of which 987 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.1 ms
Discarding 12 places :
Also discarding 0 output transitions
Ensure Unique test removed 16 places
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition Node6DetectsThatNode9CanReplaceNode8.Node9IsBecomingTheNewNodeMaster and 1 places that fell out of Prefix Of Interest.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 83 transitions
Trivial Post-agglo rules discarded 83 transitions
Performed 83 trivial Post agglomeration. Transition count delta: 83
Iterating post reduction 0 with 85 rules applied. Total rules applied 87 place count 970 transition count 3036
Reduce places removed 83 places and 0 transitions.
Drop transitions removed 1 transitions
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions removed 75 transitions
Trivial Post-agglo rules discarded 75 transitions
Performed 75 trivial Post agglomeration. Transition count delta: 75
Iterating post reduction 1 with 234 rules applied. Total rules applied 321 place count 887 transition count 2885
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 15 transitions
Ensure Unique test removed 53 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions removed 51 transitions
Trivial Post-agglo rules discarded 51 transitions
Performed 51 trivial Post agglomeration. Transition count delta: 51
Iterating post reduction 2 with 194 rules applied. Total rules applied 515 place count 812 transition count 2766
Reduce places removed 51 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 44 transitions.
Drop transitions removed 41 transitions
Trivial Post-agglo rules discarded 41 transitions
Performed 41 trivial Post agglomeration. Transition count delta: 41
Iterating post reduction 3 with 136 rules applied. Total rules applied 651 place count 761 transition count 2681
Reduce places removed 41 places and 0 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 34 transitions.
Drop transitions removed 26 transitions
Trivial Post-agglo rules discarded 26 transitions
Performed 26 trivial Post agglomeration. Transition count delta: 26
Iterating post reduction 4 with 101 rules applied. Total rules applied 752 place count 720 transition count 2621
Reduce places removed 26 places and 0 transitions.
Drop transitions removed 1 transitions
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 19 transitions.
Drop transitions removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 5 with 62 rules applied. Total rules applied 814 place count 694 transition count 2585
Reduce places removed 17 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 6 with 35 rules applied. Total rules applied 849 place count 677 transition count 2567
Reduce places removed 7 places and 0 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 7 with 18 rules applied. Total rules applied 867 place count 670 transition count 2556
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 12 rules applied. Total rules applied 879 place count 659 transition count 2555
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 18 Pre rules applied. Total rules applied 879 place count 659 transition count 2537
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 9 with 36 rules applied. Total rules applied 915 place count 641 transition count 2537
Discarding 204 places :
Symmetric choice reduction at 9 with 204 rule applications. Total rules 1119 place count 437 transition count 1383
Iterating global reduction 9 with 204 rules applied. Total rules applied 1323 place count 437 transition count 1383
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Iterating post reduction 9 with 132 rules applied. Total rules applied 1455 place count 437 transition count 1251
Performed 238 Post agglomeration using F-continuation condition.Transition count delta: 238
Deduced a syphon composed of 238 places in 1 ms
Reduce places removed 238 places and 0 transitions.
Iterating global reduction 10 with 476 rules applied. Total rules applied 1931 place count 199 transition count 1013
Drop transitions removed 234 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 236 transitions.
Iterating post reduction 10 with 236 rules applied. Total rules applied 2167 place count 199 transition count 777
Discarding 49 places :
Symmetric choice reduction at 11 with 49 rule applications. Total rules 2216 place count 150 transition count 434
Iterating global reduction 11 with 49 rules applied. Total rules applied 2265 place count 150 transition count 434
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 11 with 26 rules applied. Total rules applied 2291 place count 150 transition count 408
Drop transitions removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 12 with 34 rules applied. Total rules applied 2325 place count 150 transition count 374
Discarding 10 places :
Symmetric choice reduction at 12 with 10 rule applications. Total rules 2335 place count 140 transition count 314
Iterating global reduction 12 with 10 rules applied. Total rules applied 2345 place count 140 transition count 314
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 12 with 17 rules applied. Total rules applied 2362 place count 140 transition count 297
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 2363 place count 139 transition count 293
Iterating global reduction 13 with 1 rules applied. Total rules applied 2364 place count 139 transition count 293
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 13 with 6 rules applied. Total rules applied 2370 place count 139 transition count 287
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 2371 place count 138 transition count 284
Iterating global reduction 13 with 1 rules applied. Total rules applied 2372 place count 138 transition count 284
Free-agglomeration rule applied 1 times.
Iterating global reduction 13 with 1 rules applied. Total rules applied 2373 place count 138 transition count 283
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 2374 place count 137 transition count 283
Free-agglomeration rule (complex) applied 12 times.
Iterating global reduction 14 with 12 rules applied. Total rules applied 2386 place count 137 transition count 271
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 14 with 12 rules applied. Total rules applied 2398 place count 125 transition count 271
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 2399 place count 124 transition count 266
Iterating global reduction 15 with 1 rules applied. Total rules applied 2400 place count 124 transition count 266
Partial Free-agglomeration rule applied 101 times.
Drop transitions removed 101 transitions
Iterating global reduction 15 with 101 rules applied. Total rules applied 2501 place count 124 transition count 266
Partial Post-agglomeration rule applied 5 times.
Drop transitions removed 5 transitions
Iterating global reduction 15 with 5 rules applied. Total rules applied 2506 place count 124 transition count 266
Applied a total of 2506 rules in 647 ms. Remains 124 /1014 variables (removed 890) and now considering 266/3767 (removed 3501) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 266 rows 124 cols
[2023-03-13 08:32:33] [INFO ] Computed 23 place invariants in 2 ms
[2023-03-13 08:32:33] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-13 08:32:33] [INFO ] [Real]Absence check using 5 positive and 18 generalized place invariants in 3 ms returned sat
[2023-03-13 08:32:33] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-13 08:32:33] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-13 08:32:33] [INFO ] [Nat]Absence check using 5 positive and 18 generalized place invariants in 3 ms returned sat
[2023-03-13 08:32:33] [INFO ] After 95ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-13 08:32:33] [INFO ] After 140ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 37 ms.
[2023-03-13 08:32:33] [INFO ] After 224ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2023-03-13 08:32:33] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 2 ms.
[2023-03-13 08:32:33] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1014 places, 3767 transitions and 18705 arcs took 21 ms.
[2023-03-13 08:32:34] [INFO ] Flatten gal took : 255 ms
Total runtime 211004 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running MultiCrashLeafsetExtension (PT), instance S16C06
Examination ReachabilityFireability
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Fireability.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart
GOT IT HERE. BS
Petri model created: 1014 places, 3767 transitions, 18705 arcs.
Final Score: 475265.177
Took : 65 seconds
Reachability Fireability file is: ReachabilityFireability.xml
READY TO PARSE. BS
BK_STOP 1678696421016
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
ERROR in file model.sm near line 23540:
syntax error
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="MultiCrashLeafsetExtension-PT-S16C06"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="smartxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool smartxred"
echo " Input is MultiCrashLeafsetExtension-PT-S16C06, 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 r235-tall-167856422300783"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/MultiCrashLeafsetExtension-PT-S16C06.tgz
mv MultiCrashLeafsetExtension-PT-S16C06 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;