Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r303-tall-162124171600360.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is MultiCrashLeafsetExtension-PT-S32C02, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r303-tall-162124171600360
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 31M
-rw-r--r-- 1 mcc users 39K May 15 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 131K May 15 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 26K May 15 08:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 88K May 15 08:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K May 12 07:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 12 07:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K May 12 07:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 12 07:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 08:13 NewModel
-rw-r--r-- 1 mcc users 5.3K May 11 19:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K May 11 19:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.6K May 11 16:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13K May 11 16:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 12 04:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 12 04:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 12 08:13 equiv_col
-rw-r--r-- 1 mcc users 7 May 12 08:13 instance
-rw-r--r-- 1 mcc users 6 May 12 08:13 iscolored
-rw-r--r-- 1 mcc users 30M May 12 08:13 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 gen-ReachabilityFireability-00
FORMULA_NAME gen-ReachabilityFireability-01
FORMULA_NAME gen-ReachabilityFireability-02
FORMULA_NAME gen-ReachabilityFireability-03
FORMULA_NAME gen-ReachabilityFireability-04
FORMULA_NAME gen-ReachabilityFireability-05
FORMULA_NAME gen-ReachabilityFireability-06
FORMULA_NAME gen-ReachabilityFireability-07
FORMULA_NAME gen-ReachabilityFireability-08
FORMULA_NAME gen-ReachabilityFireability-09
FORMULA_NAME gen-ReachabilityFireability-10
FORMULA_NAME gen-ReachabilityFireability-11
FORMULA_NAME gen-ReachabilityFireability-12
FORMULA_NAME gen-ReachabilityFireability-13
FORMULA_NAME gen-ReachabilityFireability-14
FORMULA_NAME gen-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1621397786173

[2021-05-19 04:16:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-19 04:16:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-19 04:16:28] [INFO ] Load time of PNML (sax parser for PT used): 836 ms
[2021-05-19 04:16:28] [INFO ] Transformed 13544 places.
[2021-05-19 04:16:28] [INFO ] Transformed 21807 transitions.
[2021-05-19 04:16:28] [INFO ] Parsed PT model containing 13544 places and 21807 transitions in 997 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 153 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 471 resets, run finished after 704 ms. (steps per millisecond=14 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0]
FORMULA gen-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 117 ms. (steps per millisecond=85 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 104 ms. (steps per millisecond=96 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 106 ms. (steps per millisecond=94 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 102 ms. (steps per millisecond=98 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 66 resets, run finished after 117 ms. (steps per millisecond=85 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 122 ms. (steps per millisecond=81 ) properties seen :[0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA gen-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 126 ms. (steps per millisecond=79 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 102 ms. (steps per millisecond=98 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 104 ms. (steps per millisecond=96 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 66 resets, run finished after 100 ms. (steps per millisecond=100 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 99 ms. (steps per millisecond=101 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 101 ms. (steps per millisecond=99 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 67 resets, run finished after 101 ms. (steps per millisecond=99 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 66 resets, run finished after 100 ms. (steps per millisecond=100 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
[2021-05-19 04:16:31] [INFO ] Flow matrix only has 20751 transitions (discarded 1056 similar events)
// Phase 1: matrix 20751 rows 13544 cols
[2021-05-19 04:16:33] [INFO ] Computed 1333 place invariants in 2519 ms
[2021-05-19 04:16:36] [INFO ] [Real]Absence check using 74 positive place invariants in 852 ms returned sat
[2021-05-19 04:16:38] [INFO ] [Real]Absence check using 74 positive and 1259 generalized place invariants in 2719 ms returned (error "Solver has unexpectedly terminated")
[2021-05-19 04:16:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:16:38] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 0
[2021-05-19 04:16:40] [INFO ] [Real]Absence check using 74 positive place invariants in 764 ms returned sat
[2021-05-19 04:16:43] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:16:43] [INFO ] [Real]Absence check using 74 positive and 1259 generalized place invariants in 3132 ms returned (error "Failed to check-sat")
[2021-05-19 04:16:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:16:43] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 1
[2021-05-19 04:16:45] [INFO ] [Real]Absence check using 74 positive place invariants in 778 ms returned sat
[2021-05-19 04:16:48] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:16:48] [INFO ] [Real]Absence check using 74 positive and 1259 generalized place invariants in 3156 ms returned (error "Failed to check-sat")
[2021-05-19 04:16:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:16:48] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 2
[2021-05-19 04:16:50] [INFO ] [Real]Absence check using 74 positive place invariants in 778 ms returned sat
[2021-05-19 04:16:53] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:16:53] [INFO ] [Real]Absence check using 74 positive and 1259 generalized place invariants in 2972 ms returned (error "Failed to check-sat")
[2021-05-19 04:16:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:16:53] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 3
[2021-05-19 04:16:55] [INFO ] [Real]Absence check using 74 positive place invariants in 791 ms returned sat
[2021-05-19 04:16:58] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:16:58] [INFO ] [Real]Absence check using 74 positive and 1259 generalized place invariants in 3131 ms returned (error "Failed to check-sat")
[2021-05-19 04:16:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:16:58] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 4
[2021-05-19 04:17:00] [INFO ] [Real]Absence check using 74 positive place invariants in 679 ms returned unsat
[2021-05-19 04:17:02] [INFO ] [Real]Absence check using 74 positive place invariants in 694 ms returned unsat
[2021-05-19 04:17:04] [INFO ] [Real]Absence check using 74 positive place invariants in 692 ms returned unsat
[2021-05-19 04:17:06] [INFO ] [Real]Absence check using 74 positive place invariants in 771 ms returned sat
[2021-05-19 04:17:09] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:17:09] [INFO ] [Real]Absence check using 74 positive and 1259 generalized place invariants in 3176 ms returned (error "Failed to check-sat")
[2021-05-19 04:17:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:17:09] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 8
[2021-05-19 04:17:11] [INFO ] [Real]Absence check using 74 positive place invariants in 783 ms returned sat
[2021-05-19 04:17:14] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:17:14] [INFO ] [Real]Absence check using 74 positive and 1259 generalized place invariants in 3169 ms returned (error "Failed to check-sat")
[2021-05-19 04:17:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:17:14] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 9
[2021-05-19 04:17:16] [INFO ] [Real]Absence check using 74 positive place invariants in 757 ms returned sat
[2021-05-19 04:17:19] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:17:19] [INFO ] [Real]Absence check using 74 positive and 1259 generalized place invariants in 3179 ms returned (error "Failed to check-sat")
[2021-05-19 04:17:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:17:19] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 10
[2021-05-19 04:17:21] [INFO ] [Real]Absence check using 74 positive place invariants in 774 ms returned sat
[2021-05-19 04:17:24] [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: Broken pipe (= s7889 s7887)") while checking expression at index 11
[2021-05-19 04:17:26] [INFO ] [Real]Absence check using 74 positive place invariants in 772 ms returned sat
[2021-05-19 04:17:29] [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: Broken pipe (= (+ s7553 s7554 s13453) (+ s7318 s7325 s7332 s7339 s7346 s7353 s7360 s7367 s7374 s7381 s7388 s7395 s7402 s7409 s7417 s7427))") while checking expression at index 12
FORMULA gen-ReachabilityFireability-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA gen-ReachabilityFireability-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA gen-ReachabilityFireability-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 33 out of 13544 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 13544/13544 places, 21807/21807 transitions.
Discarding 40 places :
Also discarding 0 output transitions
Graph (complete) has 52829 edges and 13544 vertex of which 13504 are kept as prefixes of interest. Removing 40 places using SCC suffix rule.80 ms
Performed 2111 Post agglomeration using F-continuation condition.Transition count delta: 2111
Iterating post reduction 0 with 2111 rules applied. Total rules applied 2112 place count 13504 transition count 19696
Reduce places removed 2111 places and 0 transitions.
Iterating post reduction 1 with 2111 rules applied. Total rules applied 4223 place count 11393 transition count 19696
Performed 131 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 131 Pre rules applied. Total rules applied 4223 place count 11393 transition count 19565
Deduced a syphon composed of 131 places in 19 ms
Reduce places removed 131 places and 0 transitions.
Iterating global reduction 2 with 262 rules applied. Total rules applied 4485 place count 11262 transition count 19565
Symmetric choice reduction at 2 with 2009 rule applications. Total rules 6494 place count 11262 transition count 19565
Deduced a syphon composed of 2009 places in 46 ms
Reduce places removed 2009 places and 3001 transitions.
Iterating global reduction 2 with 4018 rules applied. Total rules applied 10512 place count 9253 transition count 16564
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 10512 place count 9253 transition count 16562
Deduced a syphon composed of 2 places in 37 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 10516 place count 9251 transition count 16562
Symmetric choice reduction at 2 with 988 rule applications. Total rules 11504 place count 9251 transition count 16562
Deduced a syphon composed of 988 places in 14 ms
Reduce places removed 988 places and 1976 transitions.
Iterating global reduction 2 with 1976 rules applied. Total rules applied 13480 place count 8263 transition count 14586
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
Deduced a syphon composed of 32 places in 14 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 2 with 64 rules applied. Total rules applied 13544 place count 8231 transition count 14554
Free-agglomeration rule (complex) applied 504 times.
Iterating global reduction 2 with 504 rules applied. Total rules applied 14048 place count 8231 transition count 14050
Reduce places removed 504 places and 0 transitions.
Iterating post reduction 2 with 504 rules applied. Total rules applied 14552 place count 7727 transition count 14050
Partial Free-agglomeration rule applied 65 times.
Drop transitions removed 65 transitions
Iterating global reduction 3 with 65 rules applied. Total rules applied 14617 place count 7727 transition count 14050
Applied a total of 14617 rules in 12469 ms. Remains 7727 /13544 variables (removed 5817) and now considering 14050/21807 (removed 7757) transitions.
Finished structural reductions, in 1 iterations. Remains : 7727/13544 places, 14050/21807 transitions.
Interrupted random walk after 540303 steps, including 35828 resets, run timeout after 30001 ms. (steps per millisecond=18 ) properties seen :[0, 0, 0, 0, 1, 0, 0, 0, 0, 1]
FORMULA gen-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 699249 steps, including 4887 resets, run timeout after 5001 ms. (steps per millisecond=139 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 711953 steps, including 4976 resets, run timeout after 5001 ms. (steps per millisecond=142 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 710880 steps, including 4968 resets, run timeout after 5001 ms. (steps per millisecond=142 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 718212 steps, including 5020 resets, run timeout after 5001 ms. (steps per millisecond=143 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 696504 steps, including 4868 resets, run timeout after 5001 ms. (steps per millisecond=139 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 719290 steps, including 5030 resets, run timeout after 5001 ms. (steps per millisecond=143 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 709353 steps, including 4957 resets, run timeout after 5001 ms. (steps per millisecond=141 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 712861 steps, including 4984 resets, run timeout after 5001 ms. (steps per millisecond=142 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
[2021-05-19 04:18:51] [INFO ] Flow matrix only has 13482 transitions (discarded 568 similar events)
// Phase 1: matrix 13482 rows 7727 cols
[2021-05-19 04:18:52] [INFO ] Computed 1293 place invariants in 806 ms
[2021-05-19 04:18:53] [INFO ] [Real]Absence check using 65 positive place invariants in 425 ms returned sat
[2021-05-19 04:19:01] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 8017 ms returned sat
[2021-05-19 04:19:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:19:37] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:19:37] [INFO ] [Real]Absence check using state equation in 35813 ms returned unknown
[2021-05-19 04:19:38] [INFO ] [Real]Absence check using 65 positive place invariants in 422 ms returned sat
[2021-05-19 04:19:46] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7411 ms returned sat
[2021-05-19 04:19:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:20:22] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:20:22] [INFO ] [Real]Absence check using state equation in 36579 ms returned (error "Failed to check-sat")
[2021-05-19 04:20:23] [INFO ] [Real]Absence check using 65 positive place invariants in 386 ms returned sat
[2021-05-19 04:20:31] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7581 ms returned sat
[2021-05-19 04:20:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:21:07] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:21:07] [INFO ] [Real]Absence check using state equation in 36427 ms returned (error "Failed to check-sat")
[2021-05-19 04:21:08] [INFO ] [Real]Absence check using 65 positive place invariants in 380 ms returned sat
[2021-05-19 04:21:16] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7755 ms returned sat
[2021-05-19 04:21:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:21:52] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:21:52] [INFO ] [Real]Absence check using state equation in 36306 ms returned (error "Failed to check-sat")
[2021-05-19 04:21:53] [INFO ] [Real]Absence check using 65 positive place invariants in 405 ms returned sat
[2021-05-19 04:22:01] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7631 ms returned sat
[2021-05-19 04:22:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:22:37] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:22:37] [INFO ] [Real]Absence check using state equation in 36389 ms returned unknown
[2021-05-19 04:22:38] [INFO ] [Real]Absence check using 65 positive place invariants in 391 ms returned sat
[2021-05-19 04:22:39] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 1177 ms returned unsat
[2021-05-19 04:22:40] [INFO ] [Real]Absence check using 65 positive place invariants in 404 ms returned sat
[2021-05-19 04:22:48] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7819 ms returned sat
[2021-05-19 04:22:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:23:24] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:23:24] [INFO ] [Real]Absence check using state equation in 36166 ms returned (error "Failed to check-sat")
[2021-05-19 04:23:25] [INFO ] [Real]Absence check using 65 positive place invariants in 395 ms returned sat
[2021-05-19 04:23:33] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7533 ms returned sat
[2021-05-19 04:23:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:24:09] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:24:09] [INFO ] [Real]Absence check using state equation in 36542 ms returned (error "Failed to check-sat")
FORMULA gen-ReachabilityFireability-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 22 out of 7727 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 7727/7727 places, 14050/14050 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 7727 transition count 14049
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7726 transition count 14049
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 7726 transition count 14048
Deduced a syphon composed of 1 places in 8 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 7725 transition count 14048
Symmetric choice reduction at 2 with 1 rule applications. Total rules 5 place count 7725 transition count 14048
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 7 place count 7724 transition count 14047
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 7 place count 7724 transition count 14046
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 9 place count 7723 transition count 14046
Symmetric choice reduction at 2 with 1 rule applications. Total rules 10 place count 7723 transition count 14046
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 1 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 12 place count 7722 transition count 14044
Free-agglomeration rule (complex) applied 69 times.
Iterating global reduction 2 with 69 rules applied. Total rules applied 81 place count 7722 transition count 14964
Reduce places removed 69 places and 0 transitions.
Iterating post reduction 2 with 69 rules applied. Total rules applied 150 place count 7653 transition count 14964
Symmetric choice reduction at 3 with 1 rule applications. Total rules 151 place count 7653 transition count 14964
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 153 place count 7652 transition count 14963
Applied a total of 153 rules in 6211 ms. Remains 7652 /7727 variables (removed 75) and now considering 14963/14050 (removed -913) transitions.
Finished structural reductions, in 1 iterations. Remains : 7652/7727 places, 14963/14050 transitions.
Interrupted random walk after 432671 steps, including 33122 resets, run timeout after 30001 ms. (steps per millisecond=14 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 646532 steps, including 4583 resets, run timeout after 5001 ms. (steps per millisecond=129 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 655667 steps, including 4648 resets, run timeout after 5001 ms. (steps per millisecond=131 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 657773 steps, including 4663 resets, run timeout after 5001 ms. (steps per millisecond=131 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 662731 steps, including 4699 resets, run timeout after 5001 ms. (steps per millisecond=132 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 642523 steps, including 4554 resets, run timeout after 5001 ms. (steps per millisecond=128 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 655779 steps, including 4649 resets, run timeout after 5001 ms. (steps per millisecond=131 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 659741 steps, including 4678 resets, run timeout after 5001 ms. (steps per millisecond=131 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Interrupted probabilistic random walk after 145362 steps, run timeout after 30001 ms. (steps per millisecond=4 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Probabilistic random walk after 145362 steps, saw 64457 distinct states, run finished after 30001 ms. (steps per millisecond=4 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
[2021-05-19 04:25:51] [INFO ] Flow matrix only has 14394 transitions (discarded 569 similar events)
// Phase 1: matrix 14394 rows 7652 cols
[2021-05-19 04:25:51] [INFO ] Computed 1293 place invariants in 885 ms
[2021-05-19 04:25:52] [INFO ] [Real]Absence check using 65 positive place invariants in 384 ms returned sat
[2021-05-19 04:26:00] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7312 ms returned sat
[2021-05-19 04:26:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:26:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:26:36] [INFO ] [Real]Absence check using state equation in 36712 ms returned unknown
[2021-05-19 04:26:37] [INFO ] [Real]Absence check using 65 positive place invariants in 378 ms returned sat
[2021-05-19 04:26:45] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7464 ms returned sat
[2021-05-19 04:26:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:27:21] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:27:21] [INFO ] [Real]Absence check using state equation in 36573 ms returned unknown
[2021-05-19 04:27:22] [INFO ] [Real]Absence check using 65 positive place invariants in 363 ms returned sat
[2021-05-19 04:27:30] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7783 ms returned sat
[2021-05-19 04:27:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:28:06] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:28:06] [INFO ] [Real]Absence check using state equation in 36255 ms returned unknown
[2021-05-19 04:28:07] [INFO ] [Real]Absence check using 65 positive place invariants in 361 ms returned sat
[2021-05-19 04:28:15] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7992 ms returned sat
[2021-05-19 04:28:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:28:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:28:51] [INFO ] [Real]Absence check using state equation in 36045 ms returned (error "Failed to check-sat")
[2021-05-19 04:28:52] [INFO ] [Real]Absence check using 65 positive place invariants in 401 ms returned sat
[2021-05-19 04:29:00] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 8056 ms returned sat
[2021-05-19 04:29:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:29:36] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:29:36] [INFO ] [Real]Absence check using state equation in 35966 ms returned (error "Failed to check-sat")
[2021-05-19 04:29:37] [INFO ] [Real]Absence check using 65 positive place invariants in 382 ms returned sat
[2021-05-19 04:29:45] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7638 ms returned sat
[2021-05-19 04:29:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:30:21] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:30:21] [INFO ] [Real]Absence check using state equation in 36378 ms returned unknown
[2021-05-19 04:30:22] [INFO ] [Real]Absence check using 65 positive place invariants in 360 ms returned sat
[2021-05-19 04:30:30] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7534 ms returned sat
[2021-05-19 04:30:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:31:06] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:31:06] [INFO ] [Real]Absence check using state equation in 36553 ms returned (error "Failed to check-sat")
Support contains 22 out of 7652 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 7652/7652 places, 14963/14963 transitions.
Applied a total of 0 rules in 1478 ms. Remains 7652 /7652 variables (removed 0) and now considering 14963/14963 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 7652/7652 places, 14963/14963 transitions.
Starting structural reductions, iteration 0 : 7652/7652 places, 14963/14963 transitions.
Applied a total of 0 rules in 1485 ms. Remains 7652 /7652 variables (removed 0) and now considering 14963/14963 (removed 0) transitions.
[2021-05-19 04:31:09] [INFO ] Flow matrix only has 14394 transitions (discarded 569 similar events)
// Phase 1: matrix 14394 rows 7652 cols
[2021-05-19 04:31:10] [INFO ] Computed 1293 place invariants in 939 ms
[2021-05-19 04:31:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:31:41] [INFO ] Performed 3395/7652 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2021-05-19 04:32:11] [INFO ] Performed 6593/7652 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2021-05-19 04:32:22] [INFO ] Implicit Places using invariants in 72401 ms returned []
Implicit Place search using SMT only with invariants took 72401 ms to find 0 implicit places.
[2021-05-19 04:32:22] [INFO ] Flow matrix only has 14394 transitions (discarded 569 similar events)
// Phase 1: matrix 14394 rows 7652 cols
[2021-05-19 04:32:23] [INFO ] Computed 1293 place invariants in 906 ms
[2021-05-19 04:32:24] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:32:54] [INFO ] Performed 3471/14963 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2021-05-19 04:33:23] [INFO ] Dead Transitions with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (and (>= s2303 1) (>= s4901 1))") after 60918 ms
Finished structural reductions, in 1 iterations. Remains : 7652/7652 places, 14963/14963 transitions.
Incomplete random walk after 100000 steps, including 7652 resets, run finished after 6867 ms. (steps per millisecond=14 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
[2021-05-19 04:33:30] [INFO ] Flow matrix only has 14394 transitions (discarded 569 similar events)
// Phase 1: matrix 14394 rows 7652 cols
[2021-05-19 04:33:31] [INFO ] Computed 1293 place invariants in 902 ms
[2021-05-19 04:33:32] [INFO ] [Real]Absence check using 65 positive place invariants in 376 ms returned sat
[2021-05-19 04:33:39] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7426 ms returned sat
[2021-05-19 04:33:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:33:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:33:51] [INFO ] [Real]Absence check using state equation in 11595 ms returned unknown
[2021-05-19 04:33:52] [INFO ] [Real]Absence check using 65 positive place invariants in 375 ms returned sat
[2021-05-19 04:33:59] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7498 ms returned sat
[2021-05-19 04:33:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:34:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:34:11] [INFO ] [Real]Absence check using state equation in 11530 ms returned unknown
[2021-05-19 04:34:11] [INFO ] [Real]Absence check using 65 positive place invariants in 355 ms returned sat
[2021-05-19 04:34:18] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7020 ms returned sat
[2021-05-19 04:34:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:34:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:34:31] [INFO ] [Real]Absence check using state equation in 12083 ms returned (error "Failed to check-sat")
[2021-05-19 04:34:32] [INFO ] [Real]Absence check using 65 positive place invariants in 357 ms returned sat
[2021-05-19 04:34:39] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 7009 ms returned sat
[2021-05-19 04:34:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:34:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:34:51] [INFO ] [Real]Absence check using state equation in 12036 ms returned (error "Failed to check-sat")
[2021-05-19 04:34:52] [INFO ] [Real]Absence check using 65 positive place invariants in 378 ms returned sat
[2021-05-19 04:34:59] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 6971 ms returned sat
[2021-05-19 04:34:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:35:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:35:11] [INFO ] [Real]Absence check using state equation in 12069 ms returned (error "Failed to check-sat")
[2021-05-19 04:35:12] [INFO ] [Real]Absence check using 65 positive place invariants in 393 ms returned sat
[2021-05-19 04:35:21] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 9266 ms returned sat
[2021-05-19 04:35:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:35:31] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:35:31] [INFO ] [Real]Absence check using state equation in 9746 ms returned unknown
[2021-05-19 04:35:32] [INFO ] [Real]Absence check using 65 positive place invariants in 373 ms returned sat
[2021-05-19 04:35:40] [INFO ] [Real]Absence check using 65 positive and 1228 generalized place invariants in 8426 ms returned sat
[2021-05-19 04:35:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:35:51] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 04:35:51] [INFO ] [Real]Absence check using state equation in 10609 ms returned (error "Failed to check-sat")
Graph (trivial) has 5712 edges and 7652 vertex of which 32 / 7652 are part of one of the 1 SCC in 12 ms
Free SCC test removed 31 places
Discarding 25 places :
Also discarding 0 output transitions
Graph (complete) has 31351 edges and 7621 vertex of which 7596 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.9 ms
Ensure Unique test removed 639 places
Drop transitions removed 1070 transitions
Ensure Unique test removed 501 transitions
Reduce isomorphic transitions removed 1571 transitions.
Performed 400 Post agglomeration using F-continuation condition.Transition count delta: 400
Iterating post reduction 0 with 2610 rules applied. Total rules applied 2612 place count 6957 transition count 12992
Reduce places removed 400 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 369 transitions
Reduce isomorphic transitions removed 371 transitions.
Performed 369 Post agglomeration using F-continuation condition.Transition count delta: 369
Iterating post reduction 1 with 1140 rules applied. Total rules applied 3752 place count 6557 transition count 12252
Ensure Unique test removed 2 places
Reduce places removed 371 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 294 transitions
Reduce isomorphic transitions removed 342 transitions.
Performed 293 Post agglomeration using F-continuation condition.Transition count delta: 293
Iterating post reduction 2 with 1006 rules applied. Total rules applied 4758 place count 6186 transition count 11617
Ensure Unique test removed 48 places
Reduce places removed 341 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 262 transitions
Reduce isomorphic transitions removed 264 transitions.
Performed 262 Post agglomeration using F-continuation condition.Transition count delta: 262
Iterating post reduction 3 with 867 rules applied. Total rules applied 5625 place count 5845 transition count 11091
Ensure Unique test removed 2 places
Reduce places removed 264 places and 0 transitions.
Drop transitions removed 42 transitions
Ensure Unique test removed 220 transitions
Reduce isomorphic transitions removed 262 transitions.
Performed 220 Post agglomeration using F-continuation condition.Transition count delta: 220
Iterating post reduction 4 with 746 rules applied. Total rules applied 6371 place count 5581 transition count 10609
Ensure Unique test removed 42 places
Reduce places removed 262 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 218 transitions
Reduce isomorphic transitions removed 220 transitions.
Performed 217 Post agglomeration using F-continuation condition.Transition count delta: 217
Iterating post reduction 5 with 699 rules applied. Total rules applied 7070 place count 5319 transition count 10172
Ensure Unique test removed 2 places
Reduce places removed 219 places and 0 transitions.
Drop transitions removed 38 transitions
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 217 transitions.
Performed 178 Post agglomeration using F-continuation condition.Transition count delta: 178
Iterating post reduction 6 with 614 rules applied. Total rules applied 7684 place count 5100 transition count 9777
Ensure Unique test removed 38 places
Reduce places removed 216 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 176 transitions
Reduce isomorphic transitions removed 178 transitions.
Performed 176 Post agglomeration using F-continuation condition.Transition count delta: 176
Iterating post reduction 7 with 570 rules applied. Total rules applied 8254 place count 4884 transition count 9423
Ensure Unique test removed 2 places
Reduce places removed 178 places and 0 transitions.
Drop transitions removed 34 transitions
Ensure Unique test removed 142 transitions
Reduce isomorphic transitions removed 176 transitions.
Performed 142 Post agglomeration using F-continuation condition.Transition count delta: 142
Iterating post reduction 8 with 496 rules applied. Total rules applied 8750 place count 4706 transition count 9105
Ensure Unique test removed 34 places
Reduce places removed 176 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 142 transitions.
Performed 139 Post agglomeration using F-continuation condition.Transition count delta: 139
Iterating post reduction 9 with 457 rules applied. Total rules applied 9207 place count 4530 transition count 8824
Ensure Unique test removed 2 places
Reduce places removed 141 places and 0 transitions.
Drop transitions removed 29 transitions
Ensure Unique test removed 110 transitions
Reduce isomorphic transitions removed 139 transitions.
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Iterating post reduction 10 with 390 rules applied. Total rules applied 9597 place count 4389 transition count 8575
Ensure Unique test removed 29 places
Reduce places removed 139 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 108 transitions
Reduce isomorphic transitions removed 110 transitions.
Performed 108 Post agglomeration using F-continuation condition.Transition count delta: 108
Iterating post reduction 11 with 357 rules applied. Total rules applied 9954 place count 4250 transition count 8357
Ensure Unique test removed 2 places
Reduce places removed 110 places and 0 transitions.
Drop transitions removed 22 transitions
Ensure Unique test removed 86 transitions
Reduce isomorphic transitions removed 108 transitions.
Performed 85 Post agglomeration using F-continuation condition.Transition count delta: 85
Iterating post reduction 12 with 303 rules applied. Total rules applied 10257 place count 4140 transition count 8164
Ensure Unique test removed 22 places
Reduce places removed 107 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 83 transitions
Reduce isomorphic transitions removed 85 transitions.
Performed 83 Post agglomeration using F-continuation condition.Transition count delta: 83
Iterating post reduction 13 with 275 rules applied. Total rules applied 10532 place count 4033 transition count 7996
Ensure Unique test removed 2 places
Reduce places removed 85 places and 0 transitions.
Drop transitions removed 22 transitions
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 83 transitions.
Performed 61 Post agglomeration using F-continuation condition.Transition count delta: 61
Iterating post reduction 14 with 229 rules applied. Total rules applied 10761 place count 3948 transition count 7852
Ensure Unique test removed 22 places
Reduce places removed 83 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 61 transitions.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Iterating post reduction 15 with 203 rules applied. Total rules applied 10964 place count 3865 transition count 7732
Ensure Unique test removed 2 places
Reduce places removed 61 places and 0 transitions.
Drop transitions removed 18 transitions
Ensure Unique test removed 41 transitions
Reduce isomorphic transitions removed 59 transitions.
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Iterating post reduction 16 with 161 rules applied. Total rules applied 11125 place count 3804 transition count 7632
Ensure Unique test removed 18 places
Reduce places removed 59 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 39 transitions
Reduce isomorphic transitions removed 41 transitions.
Performed 39 Post agglomeration using F-continuation condition.Transition count delta: 39
Iterating post reduction 17 with 139 rules applied. Total rules applied 11264 place count 3745 transition count 7552
Ensure Unique test removed 2 places
Reduce places removed 41 places and 0 transitions.
Drop transitions removed 14 transitions
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 39 transitions.
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Iterating post reduction 18 with 105 rules applied. Total rules applied 11369 place count 3704 transition count 7488
Ensure Unique test removed 14 places
Reduce places removed 39 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 25 transitions.
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Iterating post reduction 19 with 87 rules applied. Total rules applied 11456 place count 3665 transition count 7440
Ensure Unique test removed 2 places
Reduce places removed 25 places and 0 transitions.
Drop transitions removed 10 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 23 transitions.
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Iterating post reduction 20 with 61 rules applied. Total rules applied 11517 place count 3640 transition count 7404
Ensure Unique test removed 10 places
Reduce places removed 23 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 13 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 21 with 47 rules applied. Total rules applied 11564 place count 3617 transition count 7380
Ensure Unique test removed 2 places
Reduce places removed 13 places and 0 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 11 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 22 with 29 rules applied. Total rules applied 11593 place count 3604 transition count 7364
Ensure Unique test removed 6 places
Reduce places removed 11 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 23 with 19 rules applied. Total rules applied 11612 place count 3593 transition count 7356
Ensure Unique test removed 2 places
Reduce places removed 5 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 24 with 9 rules applied. Total rules applied 11621 place count 3588 transition count 7352
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 25 with 4 rules applied. Total rules applied 11625 place count 3585 transition count 7351
Ensure Unique test removed 1 places
Iterating post reduction 26 with 1 rules applied. Total rules applied 11626 place count 3584 transition count 7351
Performed 132 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 27 with 132 Pre rules applied. Total rules applied 11626 place count 3584 transition count 7219
Deduced a syphon composed of 132 places in 3 ms
Ensure Unique test removed 132 places
Reduce places removed 264 places and 0 transitions.
Iterating global reduction 27 with 396 rules applied. Total rules applied 12022 place count 3320 transition count 7219
Symmetric choice reduction at 27 with 128 rule applications. Total rules 12150 place count 3320 transition count 7219
Deduced a syphon composed of 128 places in 3 ms
Reduce places removed 128 places and 128 transitions.
Iterating global reduction 27 with 256 rules applied. Total rules applied 12406 place count 3192 transition count 7091
Symmetric choice reduction at 27 with 880 rule applications. Total rules 13286 place count 3192 transition count 7091
Deduced a syphon composed of 880 places in 3 ms
Reduce places removed 880 places and 1760 transitions.
Iterating global reduction 27 with 1760 rules applied. Total rules applied 15046 place count 2312 transition count 5331
Ensure Unique test removed 876 transitions
Reduce isomorphic transitions removed 876 transitions.
Iterating post reduction 27 with 876 rules applied. Total rules applied 15922 place count 2312 transition count 4455
Performed 1856 Post agglomeration using F-continuation condition.Transition count delta: 1856
Deduced a syphon composed of 1856 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 1857 places and 0 transitions.
Iterating global reduction 28 with 3713 rules applied. Total rules applied 19635 place count 455 transition count 2599
Drop transitions removed 1828 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 1854 transitions.
Iterating post reduction 28 with 1854 rules applied. Total rules applied 21489 place count 455 transition count 745
Renaming transitions due to excessive name length > 1024 char.
Free-agglomeration rule (complex) applied 12 times.
Iterating global reduction 29 with 12 rules applied. Total rules applied 21501 place count 455 transition count 733
Reduce places removed 12 places and 0 transitions.
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 29 with 20 rules applied. Total rules applied 21521 place count 443 transition count 725
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 30 with 1 rules applied. Total rules applied 21522 place count 443 transition count 725
Partial Post-agglomeration rule applied 147 times.
Drop transitions removed 147 transitions
Iterating global reduction 30 with 147 rules applied. Total rules applied 21669 place count 443 transition count 725
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 30 with 4 rules applied. Total rules applied 21673 place count 443 transition count 721
Ensure Unique test removed 4 places
Iterating post reduction 30 with 4 rules applied. Total rules applied 21677 place count 439 transition count 721
Symmetric choice reduction at 31 with 4 rule applications. Total rules 21681 place count 439 transition count 721
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 8 transitions.
Iterating global reduction 31 with 8 rules applied. Total rules applied 21689 place count 435 transition count 713
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 31 with 3 rules applied. Total rules applied 21692 place count 435 transition count 710
Applied a total of 21692 rules in 24593 ms. Remains 435 /7652 variables (removed 7217) and now considering 710/14963 (removed 14253) transitions.
[2021-05-19 04:36:15] [INFO ] Flow matrix only has 583 transitions (discarded 127 similar events)
// Phase 1: matrix 583 rows 435 cols
[2021-05-19 04:36:15] [INFO ] Computed 182 place invariants in 9 ms
[2021-05-19 04:36:15] [INFO ] [Real]Absence check using 10 positive place invariants in 10 ms returned sat
[2021-05-19 04:36:15] [INFO ] [Real]Absence check using 10 positive and 172 generalized place invariants in 61 ms returned sat
[2021-05-19 04:36:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:16] [INFO ] [Real]Absence check using state equation in 619 ms returned sat
[2021-05-19 04:36:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2021-05-19 04:36:16] [INFO ] [Real]Added 1 Read/Feed constraints in 8 ms returned sat
[2021-05-19 04:36:16] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 99 ms.
[2021-05-19 04:36:16] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 04:36:16] [INFO ] [Nat]Absence check using 10 positive place invariants in 22 ms returned sat
[2021-05-19 04:36:16] [INFO ] [Nat]Absence check using 10 positive and 172 generalized place invariants in 75 ms returned sat
[2021-05-19 04:36:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:17] [INFO ] [Nat]Absence check using state equation in 660 ms returned sat
[2021-05-19 04:36:17] [INFO ] [Nat]Added 1 Read/Feed constraints in 32 ms returned sat
[2021-05-19 04:36:17] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 158 ms.
[2021-05-19 04:36:18] [INFO ] Added : 21 causal constraints over 5 iterations in 379 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 16 ms.
[2021-05-19 04:36:18] [INFO ] [Real]Absence check using 10 positive place invariants in 11 ms returned sat
[2021-05-19 04:36:18] [INFO ] [Real]Absence check using 10 positive and 172 generalized place invariants in 60 ms returned sat
[2021-05-19 04:36:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:18] [INFO ] [Real]Absence check using state equation in 611 ms returned sat
[2021-05-19 04:36:18] [INFO ] [Real]Added 1 Read/Feed constraints in 8 ms returned sat
[2021-05-19 04:36:19] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 160 ms.
[2021-05-19 04:36:19] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 04:36:19] [INFO ] [Nat]Absence check using 10 positive place invariants in 14 ms returned sat
[2021-05-19 04:36:19] [INFO ] [Nat]Absence check using 10 positive and 172 generalized place invariants in 60 ms returned sat
[2021-05-19 04:36:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:19] [INFO ] [Nat]Absence check using state equation in 620 ms returned sat
[2021-05-19 04:36:19] [INFO ] [Nat]Added 1 Read/Feed constraints in 48 ms returned sat
[2021-05-19 04:36:20] [INFO ] Deduced a trap composed of 42 places in 260 ms
[2021-05-19 04:36:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 311 ms
[2021-05-19 04:36:20] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 58 ms.
[2021-05-19 04:36:20] [INFO ] Added : 20 causal constraints over 5 iterations in 288 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 14 ms.
[2021-05-19 04:36:20] [INFO ] [Real]Absence check using 10 positive place invariants in 12 ms returned sat
[2021-05-19 04:36:20] [INFO ] [Real]Absence check using 10 positive and 172 generalized place invariants in 57 ms returned sat
[2021-05-19 04:36:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:21] [INFO ] [Real]Absence check using state equation in 586 ms returned sat
[2021-05-19 04:36:21] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 04:36:21] [INFO ] [Nat]Absence check using 10 positive place invariants in 11 ms returned sat
[2021-05-19 04:36:21] [INFO ] [Nat]Absence check using 10 positive and 172 generalized place invariants in 59 ms returned sat
[2021-05-19 04:36:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:21] [INFO ] [Nat]Absence check using state equation in 612 ms returned sat
[2021-05-19 04:36:22] [INFO ] [Nat]Added 1 Read/Feed constraints in 15 ms returned sat
[2021-05-19 04:36:22] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 46 ms.
[2021-05-19 04:36:22] [INFO ] Added : 20 causal constraints over 4 iterations in 220 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 11 ms.
[2021-05-19 04:36:22] [INFO ] [Real]Absence check using 10 positive place invariants in 11 ms returned sat
[2021-05-19 04:36:22] [INFO ] [Real]Absence check using 10 positive and 172 generalized place invariants in 60 ms returned sat
[2021-05-19 04:36:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:23] [INFO ] [Real]Absence check using state equation in 603 ms returned sat
[2021-05-19 04:36:23] [INFO ] [Real]Added 1 Read/Feed constraints in 8 ms returned sat
[2021-05-19 04:36:23] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 63 ms.
[2021-05-19 04:36:23] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 04:36:23] [INFO ] [Nat]Absence check using 10 positive place invariants in 12 ms returned sat
[2021-05-19 04:36:23] [INFO ] [Nat]Absence check using 10 positive and 172 generalized place invariants in 60 ms returned sat
[2021-05-19 04:36:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:23] [INFO ] [Nat]Absence check using state equation in 608 ms returned sat
[2021-05-19 04:36:23] [INFO ] [Nat]Added 1 Read/Feed constraints in 8 ms returned sat
[2021-05-19 04:36:23] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 64 ms.
[2021-05-19 04:36:24] [INFO ] Added : 19 causal constraints over 4 iterations in 204 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 10 ms.
[2021-05-19 04:36:24] [INFO ] [Real]Absence check using 10 positive place invariants in 10 ms returned sat
[2021-05-19 04:36:24] [INFO ] [Real]Absence check using 10 positive and 172 generalized place invariants in 62 ms returned sat
[2021-05-19 04:36:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:24] [INFO ] [Real]Absence check using state equation in 643 ms returned sat
[2021-05-19 04:36:24] [INFO ] [Real]Added 1 Read/Feed constraints in 12 ms returned sat
[2021-05-19 04:36:25] [INFO ] Deduced a trap composed of 44 places in 284 ms
[2021-05-19 04:36:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 318 ms
[2021-05-19 04:36:25] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 04:36:25] [INFO ] [Nat]Absence check using 10 positive place invariants in 12 ms returned sat
[2021-05-19 04:36:25] [INFO ] [Nat]Absence check using 10 positive and 172 generalized place invariants in 63 ms returned sat
[2021-05-19 04:36:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:26] [INFO ] [Nat]Absence check using state equation in 634 ms returned sat
[2021-05-19 04:36:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 20 ms returned sat
[2021-05-19 04:36:26] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 57 ms.
[2021-05-19 04:36:26] [INFO ] Added : 19 causal constraints over 4 iterations in 226 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 18 ms.
[2021-05-19 04:36:26] [INFO ] [Real]Absence check using 10 positive place invariants in 10 ms returned sat
[2021-05-19 04:36:26] [INFO ] [Real]Absence check using 10 positive and 172 generalized place invariants in 58 ms returned sat
[2021-05-19 04:36:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:27] [INFO ] [Real]Absence check using state equation in 585 ms returned sat
[2021-05-19 04:36:27] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 04:36:27] [INFO ] [Nat]Absence check using 10 positive place invariants in 12 ms returned sat
[2021-05-19 04:36:27] [INFO ] [Nat]Absence check using 10 positive and 172 generalized place invariants in 60 ms returned sat
[2021-05-19 04:36:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:27] [INFO ] [Nat]Absence check using state equation in 605 ms returned sat
[2021-05-19 04:36:27] [INFO ] [Nat]Added 1 Read/Feed constraints in 15 ms returned sat
[2021-05-19 04:36:27] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 52 ms.
[2021-05-19 04:36:28] [INFO ] Added : 21 causal constraints over 5 iterations in 254 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 12 ms.
[2021-05-19 04:36:28] [INFO ] [Real]Absence check using 10 positive place invariants in 10 ms returned sat
[2021-05-19 04:36:28] [INFO ] [Real]Absence check using 10 positive and 172 generalized place invariants in 59 ms returned sat
[2021-05-19 04:36:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:28] [INFO ] [Real]Absence check using state equation in 586 ms returned sat
[2021-05-19 04:36:28] [INFO ] [Real]Added 1 Read/Feed constraints in 7 ms returned sat
[2021-05-19 04:36:28] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 52 ms.
[2021-05-19 04:36:28] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 04:36:29] [INFO ] [Nat]Absence check using 10 positive place invariants in 12 ms returned sat
[2021-05-19 04:36:29] [INFO ] [Nat]Absence check using 10 positive and 172 generalized place invariants in 59 ms returned sat
[2021-05-19 04:36:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 04:36:29] [INFO ] [Nat]Absence check using state equation in 589 ms returned sat
[2021-05-19 04:36:29] [INFO ] [Nat]Added 1 Read/Feed constraints in 9 ms returned sat
[2021-05-19 04:36:29] [INFO ] Computed and/alt/rep : 532/67994/405 causal constraints in 53 ms.
[2021-05-19 04:36:29] [INFO ] Added : 19 causal constraints over 4 iterations in 193 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 9 ms.
[2021-05-19 04:36:31] [INFO ] Flatten gal took : 791 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
[2021-05-19 04:36:32] [INFO ] Flatten gal took : 946 ms
[2021-05-19 04:36:32] [INFO ] Applying decomposition
[2021-05-19 04:36:33] [INFO ] Flatten gal took : 776 ms

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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-S32C02"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool gold2020"
echo " Input is MultiCrashLeafsetExtension-PT-S32C02, 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 r303-tall-162124171600360"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MultiCrashLeafsetExtension-PT-S32C02.tgz
mv MultiCrashLeafsetExtension-PT-S32C02 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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;