About the Execution of ITS-Tools for DBSingleClientW-PT-d1m04
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 486.827 | 56427.00 | 85258.00 | 343.20 | 1 1 0 0 0 0 1 0 0 0 0 0 0 0 1 1 | 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.r082-smll-177946993600141.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 DBSingleClientW-PT-d1m04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600141
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 960K
-rw-r--r-- 1 mcc users 8.4K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 106K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 432K 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d1m04-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779565076994
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d1m04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 19:37:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 19:37:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 19:37:59] [INFO ] Load time of PNML (sax parser for PT used): 319 ms
[2026-05-23 19:38:00] [INFO ] Transformed 1440 places.
[2026-05-23 19:38:00] [INFO ] Transformed 672 transitions.
[2026-05-23 19:38:00] [INFO ] Parsed PT model containing 1440 places and 672 transitions and 2688 arcs in 544 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Deduced a syphon composed of 1093 places in 11 ms
Reduce places removed 1093 places and 0 transitions.
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-973872695748931994.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8787092739579417960.kers'
[2026-05-23 19:38:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-973872695748931994.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8787092739579417960.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 672 rows 347 cols 1850 entries
Finished phase 1 with 215 SingleSign rule and 126 generalized
[2026-05-23 19:38:00] [INFO ] Computed 6 invariants in 8 ms
Computed 6 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-8787092739579417960.kers
Total runtime 13 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[56, 1, 1, 64, 64]
RANDOM walk for 10000 steps (2265 resets) in 296 ms. (33 steps per ms)
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (3835 resets) in 312 ms. (127 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0, 0] Max Struct:[56, 1, 64, 64]
[2026-05-23 19:38:00] [INFO ] Invariant cache hit.
[2026-05-23 19:38:01] [INFO ] [Real]Absence check using 2 positive place invariants in 161 ms returned sat
[2026-05-23 19:38:01] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 17 ms returned sat
[2026-05-23 19:38:02] [INFO ] [Real]Absence check using state equation in 514 ms returned sat
[2026-05-23 19:38:02] [INFO ] State equation strengthened by 418 read => feed constraints.
[2026-05-23 19:38:02] [INFO ] [Real]Added 418 Read/Feed constraints in 290 ms returned sat
[2026-05-23 19:38:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:02] [INFO ] [Nat]Absence check using 2 positive place invariants in 8 ms returned sat
[2026-05-23 19:38:02] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 10 ms returned sat
[2026-05-23 19:38:03] [INFO ] [Nat]Absence check using state equation in 452 ms returned sat
[2026-05-23 19:38:03] [INFO ] [Nat]Added 418 Read/Feed constraints in 207 ms returned sat
[2026-05-23 19:38:07] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
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:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-23 19:38:08] [INFO ] [Real]Absence check using 2 positive place invariants in 9 ms returned sat
[2026-05-23 19:38:08] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 16 ms returned sat
[2026-05-23 19:38:08] [INFO ] [Real]Absence check using state equation in 379 ms returned sat
[2026-05-23 19:38:08] [INFO ] [Real]Added 418 Read/Feed constraints in 215 ms returned sat
[2026-05-23 19:38:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:08] [INFO ] [Nat]Absence check using 2 positive place invariants in 9 ms returned sat
[2026-05-23 19:38:08] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2026-05-23 19:38:09] [INFO ] [Nat]Absence check using state equation in 369 ms returned sat
[2026-05-23 19:38:09] [INFO ] [Nat]Added 418 Read/Feed constraints in 250 ms returned sat
[2026-05-23 19:38:09] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 288 ms.
[2026-05-23 19:38:10] [INFO ] Added : 5 causal constraints over 1 iterations in 534 ms. Result :sat
Minimization took 502 ms.
[2026-05-23 19:38:10] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 19:38:10] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 19:38:11] [INFO ] [Real]Absence check using state equation in 264 ms returned sat
[2026-05-23 19:38:11] [INFO ] [Real]Added 418 Read/Feed constraints in 193 ms returned sat
[2026-05-23 19:38:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 8 ms returned sat
[2026-05-23 19:38:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 19:38:11] [INFO ] [Nat]Absence check using state equation in 310 ms returned sat
[2026-05-23 19:38:11] [INFO ] [Nat]Added 418 Read/Feed constraints in 234 ms returned sat
[2026-05-23 19:38:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 657 ms
[2026-05-23 19:38:12] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 125 ms.
[2026-05-23 19:38:13] [INFO ] Added : 7 causal constraints over 2 iterations in 470 ms. Result :sat
Minimization took 515 ms.
[2026-05-23 19:38:13] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 19:38:13] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 19:38:14] [INFO ] [Real]Absence check using state equation in 239 ms returned sat
[2026-05-23 19:38:14] [INFO ] [Real]Added 418 Read/Feed constraints in 137 ms returned sat
[2026-05-23 19:38:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:14] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 19:38:14] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 19:38:14] [INFO ] [Nat]Absence check using state equation in 230 ms returned sat
[2026-05-23 19:38:14] [INFO ] [Nat]Added 418 Read/Feed constraints in 267 ms returned sat
[2026-05-23 19:38:14] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 121 ms.
[2026-05-23 19:38:15] [INFO ] Added : 6 causal constraints over 2 iterations in 406 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0, 0] Max Struct:[56, 1, 64, 64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0, 0] Max Struct:[56, 1, 64, 64]
Support contains 4 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 672/672 transitions.
Graph (complete) has 1246 edges and 347 vertex of which 325 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.6 ms
Discarding 22 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 0 with 88 rules applied. Total rules applied 89 place count 325 transition count 584
Discarding 96 places :
Symmetric choice reduction at 1 with 96 rule applications. Total rules 185 place count 229 transition count 327
Iterating global reduction 1 with 96 rules applied. Total rules applied 281 place count 229 transition count 327
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 285 place count 229 transition count 323
Discarding 73 places :
Symmetric choice reduction at 2 with 73 rule applications. Total rules 358 place count 156 transition count 250
Iterating global reduction 2 with 73 rules applied. Total rules applied 431 place count 156 transition count 250
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 437 place count 156 transition count 244
Discarding 42 places :
Symmetric choice reduction at 3 with 42 rule applications. Total rules 479 place count 114 transition count 178
Iterating global reduction 3 with 42 rules applied. Total rules applied 521 place count 114 transition count 178
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 3 with 24 rules applied. Total rules applied 545 place count 114 transition count 154
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 555 place count 104 transition count 137
Iterating global reduction 4 with 10 rules applied. Total rules applied 565 place count 104 transition count 137
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 567 place count 104 transition count 135
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 574 place count 97 transition count 128
Iterating global reduction 5 with 7 rules applied. Total rules applied 581 place count 97 transition count 128
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 583 place count 97 transition count 126
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 589 place count 91 transition count 120
Iterating global reduction 6 with 6 rules applied. Total rules applied 595 place count 91 transition count 120
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 598 place count 91 transition count 117
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 599 place count 90 transition count 111
Iterating global reduction 7 with 1 rules applied. Total rules applied 600 place count 90 transition count 111
Applied a total of 600 rules in 223 ms. Remains 90 /347 variables (removed 257) and now considering 111/672 (removed 561) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 239 ms. Remains : 90/347 places, 111/672 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7990878650946375230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16578684831039491525.kers'
[2026-05-23 19:38:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7990878650946375230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16578684831039491525.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 111 rows 90 cols 369 entries
Finished phase 1 with 85 SingleSign rule and 3 generalized
[2026-05-23 19:38:15] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16578684831039491525.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 0] Max Struct:[56, 1, 64, 64]
RANDOM walk for 1000000 steps (229748 resets) in 1673 ms. (597 steps per ms)
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4000003 steps (395152 resets) in 2984 ms. (1340 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0] Max Struct:[56, 64, 64]
[2026-05-23 19:38:20] [INFO ] Invariant cache hit.
[2026-05-23 19:38:20] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 19:38:20] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-23 19:38:20] [INFO ] State equation strengthened by 33 read => feed constraints.
[2026-05-23 19:38:20] [INFO ] [Real]Added 33 Read/Feed constraints in 15 ms returned sat
[2026-05-23 19:38:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:20] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 19:38:20] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-23 19:38:20] [INFO ] [Nat]Added 33 Read/Feed constraints in 11 ms returned sat
[2026-05-23 19:38:21] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 3 trap constraints in 344 ms
[2026-05-23 19:38:21] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 19:38:21] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-23 19:38:21] [INFO ] [Real]Added 33 Read/Feed constraints in 17 ms returned sat
[2026-05-23 19:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:21] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 19:38:21] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-23 19:38:21] [INFO ] [Nat]Added 33 Read/Feed constraints in 14 ms returned sat
[2026-05-23 19:38:21] [INFO ] Computed and/alt/rep : 32/70/32 causal constraints (skipped 78 transitions) in 15 ms.
[2026-05-23 19:38:21] [INFO ] Added : 10 causal constraints over 2 iterations in 81 ms. Result :sat
Minimization took 72 ms.
[2026-05-23 19:38:21] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 19:38:21] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-23 19:38:21] [INFO ] [Real]Added 33 Read/Feed constraints in 9 ms returned sat
[2026-05-23 19:38:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:21] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 19:38:21] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-23 19:38:21] [INFO ] [Nat]Added 33 Read/Feed constraints in 18 ms returned sat
[2026-05-23 19:38:22] [INFO ] Computed and/alt/rep : 32/70/32 causal constraints (skipped 78 transitions) in 12 ms.
[2026-05-23 19:38:22] [INFO ] Added : 11 causal constraints over 3 iterations in 76 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0] Max Struct:[1, 64, 64]
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[64, 64]
Support contains 2 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 111/111 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 88 transition count 109
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 88 transition count 109
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 86 transition count 105
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 86 transition count 105
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 86 transition count 104
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 85 transition count 103
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 85 transition count 103
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 84 transition count 102
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 84 transition count 102
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 83 transition count 101
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 83 transition count 101
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 82 transition count 99
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 82 transition count 99
Applied a total of 17 rules in 37 ms. Remains 82 /90 variables (removed 8) and now considering 99/111 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 82/90 places, 99/111 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7527887434337304394.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8094918317075029451.kers'
[2026-05-23 19:38:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7527887434337304394.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8094918317075029451.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 99 rows 82 cols 330 entries
Finished phase 1 with 77 SingleSign rule and 3 generalized
[2026-05-23 19:38:22] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8094918317075029451.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[64, 64]
RANDOM walk for 1000000 steps (229580 resets) in 1615 ms. (618 steps per ms)
BEST_FIRST walk for 2000000 steps (197897 resets) in 1399 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[64, 64]
[2026-05-23 19:38:25] [INFO ] Invariant cache hit.
[2026-05-23 19:38:25] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 19:38:25] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-23 19:38:25] [INFO ] State equation strengthened by 29 read => feed constraints.
[2026-05-23 19:38:25] [INFO ] [Real]Added 29 Read/Feed constraints in 9 ms returned sat
[2026-05-23 19:38:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:25] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 19:38:25] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2026-05-23 19:38:25] [INFO ] [Nat]Added 29 Read/Feed constraints in 8 ms returned sat
[2026-05-23 19:38:25] [INFO ] Computed and/alt/rep : 29/61/29 causal constraints (skipped 69 transitions) in 7 ms.
[2026-05-23 19:38:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 91 ms
[2026-05-23 19:38:25] [INFO ] Added : 7 causal constraints over 3 iterations in 165 ms. Result :sat
Minimization took 72 ms.
[2026-05-23 19:38:25] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 19:38:25] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-23 19:38:25] [INFO ] [Real]Added 29 Read/Feed constraints in 16 ms returned sat
[2026-05-23 19:38:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 19:38:25] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 19:38:25] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2026-05-23 19:38:25] [INFO ] [Nat]Added 29 Read/Feed constraints in 14 ms returned sat
[2026-05-23 19:38:26] [INFO ] Computed and/alt/rep : 29/61/29 causal constraints (skipped 69 transitions) in 13 ms.
[2026-05-23 19:38:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 124 ms
[2026-05-23 19:38:26] [INFO ] Added : 7 causal constraints over 3 iterations in 200 ms. Result :sat
Minimization took 68 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[64, 64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[64, 64]
Support contains 2 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 11 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 82/82 places, 99/99 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 11 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
[2026-05-23 19:38:26] [INFO ] Invariant cache hit.
[2026-05-23 19:38:26] [INFO ] Implicit Places using invariants in 185 ms returned []
[2026-05-23 19:38:26] [INFO ] Invariant cache hit.
[2026-05-23 19:38:26] [INFO ] State equation strengthened by 29 read => feed constraints.
[2026-05-23 19:38:26] [INFO ] Implicit Places using invariants and state equation in 415 ms returned []
Implicit Place search using SMT with State Equation took 606 ms to find 0 implicit places.
[2026-05-23 19:38:26] [INFO ] Redundant transitions in 3 ms returned []
Running 98 sub problems to find dead transitions.
[2026-05-23 19:38:27] [INFO ] Invariant cache hit.
[2026-05-23 19:38:27] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (OVERLAPS) 1/82 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 99/181 variables, 82/84 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 29/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 113 constraints, problems are : Problem set: 0 solved, 98 unsolved in 5943 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (OVERLAPS) 1/82 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 99/181 variables, 82/84 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 29/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 98/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (OVERLAPS) 0/181 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 211 constraints, problems are : Problem set: 0 solved, 98 unsolved in 16218 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22429ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 22449ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23124 ms. Remains : 82/82 places, 99/99 transitions.
RANDOM walk for 40000 steps (9209 resets) in 1272 ms. (31 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (4031 resets) in 418 ms. (95 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (4057 resets) in 454 ms. (87 steps per ms) remains 4/4 properties
[2026-05-23 19:38:50] [INFO ] Flatten gal took : 81 ms
[2026-05-23 19:38:50] [INFO ] Flatten gal took : 27 ms
[2026-05-23 19:38:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3973935828876834196.gal : 13 ms
[2026-05-23 19:38:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1458391242298793058.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/ReachabilityCardinality3973935828876834196.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1458391242298793058.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 ...328
Loading property file /tmp/ReachabilityCardinality1458391242298793058.prop.
BEST_FIRST walk for 40003 steps (3871 resets) in 362 ms. (110 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :26 after 58
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :58 after 114
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :114 after 170
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :170 after 373
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :373 after 624
BEST_FIRST walk for 40002 steps (3879 resets) in 236 ms. (168 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :624 after 1828
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1828 after 4015
Probably explored full state space saw : 8794 states, properties seen :2
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,8825,0.26182,10252,2,2543,14,22035,10,0,434,16605,0
Total reachable state count : 8825
Verifying 4 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.263761,10300,1,0,14,22035,10,0,435,16605,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,51,0.264755,10512,2,209,14,22035,10,0,436,16605,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,0.264961,10512,1,0,14,22035,10,0,436,16605,0
Invariant property MIN1 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,51,0.265204,10512,2,209,14,22035,10,0,437,16605,0
Probabilistic random walk after 20601 steps, saw 8794 distinct states, run finished after 215 ms. (steps per millisecond=95 ) properties seen :2
Explored full state space saw : 8825 states, properties seen :0
Exhaustive walk after 20654 steps, saw 8825 distinct states, run finished after 121 ms. (steps per millisecond=170 ) properties seen :0
Current structural bounds on expressions (after reachability check) : Max Seen:[1, 1] Max Struct:[63, 63]
[2026-05-23 19:38:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1] Max Struct:[63, 63]
RANDOM walk for 1000000 steps (229670 resets) in 1357 ms. (736 steps per ms)
BEST_FIRST walk for 2000001 steps (197695 resets) in 1163 ms. (1718 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1] Max Struct:[63, 63]
[2026-05-23 19:38:53] [INFO ] Invariant cache hit.
[2026-05-23 19:38:53] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 19:38:53] [INFO ] [Real]Absence check using state equation in 47 ms returned unsat
[2026-05-23 19:38:53] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 19:38:53] [INFO ] [Real]Absence check using state equation in 46 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1] Max Struct:[1, 1]
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d1m04-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 53906 ms.
BK_STOP 1779565133421
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="DBSingleClientW-PT-d1m04"
export BK_EXAMINATION="UpperBounds"
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 DBSingleClientW-PT-d1m04, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r082-smll-177946993600141"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d1m04.tgz
mv DBSingleClientW-PT-d1m04 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;
