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.r151-tall-162089151600404.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)
.................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is Philosophers-COL-005000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r151-tall-162089151600404
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 76K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Mar 28 16:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 28 16:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 28 16:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 16:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 27 08:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Mar 27 08:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 25 10:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 25 09:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 22 09:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 09:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_pt
-rw-r--r-- 1 mcc users 7 May 5 16:51 instance
-rw-r--r-- 1 mcc users 5 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 227K May 5 16:51 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 Philosophers-COL-005000-ReachabilityFireability-00
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-01
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-02
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-03
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-04
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-05
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-06
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-07
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-08
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-09
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-10
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-11
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-12
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-13
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-14
FORMULA_NAME Philosophers-COL-005000-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1621045977666

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-15 02:32:59] [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, -timeout, 3600, -rebuildPNML]
[2021-05-15 02:32:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-15 02:32:59] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[2021-05-15 02:33:00] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 719 ms
[2021-05-15 02:33:00] [INFO ] sort/places :
Philo->Think,Fork,Catch1,Catch2,Eat,

[2021-05-15 02:33:00] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 25000 PT places and 25000.0 transition bindings in 40 ms.
[2021-05-15 02:33:00] [INFO ] Computed order based on color domains.
[2021-05-15 02:33:00] [INFO ] Unfolded HLPN to a Petri net with 25000 places and 25000 transitions in 147 ms.
[2021-05-15 02:33:00] [INFO ] Unfolded HLPN properties in 28 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 2368 ms.
Working with output stream class java.io.PrintStream
FORMULA Philosophers-COL-005000-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 9540 ms. (steps per millisecond=1 ) properties seen :[1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1]
FORMULA Philosophers-COL-005000-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-005000-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-005000-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-005000-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-005000-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-005000-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-005000-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 4001 steps, including 0 resets, run timeout after 5675 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 9616 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 9545 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 4001 steps, including 0 resets, run timeout after 5188 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 5344 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 9565 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 5310 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 3001 steps, including 0 resets, run timeout after 6200 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 25000 rows 25000 cols
[2021-05-15 02:34:09] [INFO ] Computed 10000 place invariants in 942 ms
[2021-05-15 02:34:14] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:34:14] [INFO ] [Real]Absence check using 10000 positive place invariants in 2777 ms returned (error "Failed to check-sat")
[2021-05-15 02:34:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:34:14] [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 0
[2021-05-15 02:34:19] [INFO ] [Real]Absence check using 10000 positive place invariants in 2699 ms returned (error "Solver has unexpectedly terminated")
[2021-05-15 02:34:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:34:19] [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 1
[2021-05-15 02:34:24] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:34:24] [INFO ] [Real]Absence check using 10000 positive place invariants in 2817 ms returned (error "Failed to check-sat")
[2021-05-15 02:34:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:34:24] [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
[2021-05-15 02:34:29] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:34:29] [INFO ] [Real]Absence check using 10000 positive place invariants in 2932 ms returned unknown
[2021-05-15 02:34:34] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:34:34] [INFO ] [Real]Absence check using 10000 positive place invariants in 2862 ms returned (error "Failed to check-sat")
[2021-05-15 02:34:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:34:35] [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
[2021-05-15 02:34:40] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:34:40] [INFO ] [Real]Absence check using 10000 positive place invariants in 2864 ms returned (error "Failed to check-sat")
[2021-05-15 02:34:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:34:40] [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 5
[2021-05-15 02:34:45] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:34:45] [INFO ] [Real]Absence check using 10000 positive place invariants in 2977 ms returned unknown
[2021-05-15 02:34:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:34:50] [INFO ] [Real]Absence check using 10000 positive place invariants in 2927 ms returned (error "Failed to check-sat")
[2021-05-15 02:34:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:34:50] [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 7
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 256 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 25000/25000 places, 25000/25000 transitions.
Interrupted random walk after 80284 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 4001 steps, including 0 resets, run timeout after 5184 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 9643 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 9447 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 4001 steps, including 0 resets, run timeout after 5172 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 5335 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 9654 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 2001 steps, including 0 resets, run timeout after 5282 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 3001 steps, including 0 resets, run timeout after 6233 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
Probabilistic random walk after 11001 steps, saw 2 distinct states, run finished after 31032 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 25000 rows 25000 cols
[2021-05-15 02:36:48] [INFO ] Computed 10000 place invariants in 825 ms
[2021-05-15 02:37:33] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:37:33] [INFO ] [Real]Absence check using 10000 positive place invariants in 42946 ms returned unknown
[2021-05-15 02:38:18] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:38:18] [INFO ] [Real]Absence check using 10000 positive place invariants in 42887 ms returned (error "Failed to check-sat")
[2021-05-15 02:38:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:38:18] [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
[2021-05-15 02:39:03] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:39:03] [INFO ] [Real]Absence check using 10000 positive place invariants in 42830 ms returned unknown
[2021-05-15 02:39:48] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:39:48] [INFO ] [Real]Absence check using 10000 positive place invariants in 42985 ms returned (error "Failed to check-sat")
[2021-05-15 02:39:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:39:48] [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 3
[2021-05-15 02:39:56] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:39:59] [INFO ] [Real]Absence check using 10000 positive place invariants in 9061 ms returned unknown
[2021-05-15 02:40:44] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:40:44] [INFO ] [Real]Absence check using 10000 positive place invariants in 42828 ms returned (error "Failed to check-sat")
[2021-05-15 02:40:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:40:44] [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 5
[2021-05-15 02:41:29] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:41:29] [INFO ] [Real]Absence check using 10000 positive place invariants in 42934 ms returned (error "Failed to check-sat")
[2021-05-15 02:41:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:41:29] [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 6
[2021-05-15 02:42:14] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:42:14] [INFO ] [Real]Absence check using 10000 positive place invariants in 42952 ms returned unknown
Support contains 25000 out of 25000 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 166 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 25000/25000 places, 25000/25000 transitions.
Starting structural reductions, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Applied a total of 0 rules in 135 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
// Phase 1: matrix 25000 rows 25000 cols
[2021-05-15 02:42:15] [INFO ] Computed 10000 place invariants in 790 ms
[2021-05-15 02:42:17] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:42:18] [INFO ] Implicit Places using invariants in 2898 ms returned []
Implicit Place search using SMT only with invariants took 2898 ms to find 0 implicit places.
// Phase 1: matrix 25000 rows 25000 cols
[2021-05-15 02:42:18] [INFO ] Computed 10000 place invariants in 790 ms
[2021-05-15 02:42:20] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:42:50] [INFO ] Performed 840/25000 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2021-05-15 02:43:18] [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 (>= s1605 1) (>= s6604 1))") after 60810 ms
Finished structural reductions, in 1 iterations. Remains : 25000/25000 places, 25000/25000 transitions.
Interrupted random walk after 80154 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 25000 rows 25000 cols
[2021-05-15 02:43:50] [INFO ] Computed 10000 place invariants in 820 ms
[2021-05-15 02:44:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:44:10] [INFO ] [Real]Absence check using 10000 positive place invariants in 18026 ms returned (error "Failed to check-sat")
[2021-05-15 02:44:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:44:10] [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
[2021-05-15 02:44:30] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:44:30] [INFO ] [Real]Absence check using 10000 positive place invariants in 17903 ms returned unknown
[2021-05-15 02:44:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:44:50] [INFO ] [Real]Absence check using 10000 positive place invariants in 17859 ms returned unknown
[2021-05-15 02:44:58] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:45:01] [INFO ] [Real]Absence check using 10000 positive place invariants in 9059 ms returned unknown
[2021-05-15 02:45:21] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:45:21] [INFO ] [Real]Absence check using 10000 positive place invariants in 17829 ms returned (error "Failed to check-sat")
[2021-05-15 02:45:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:45:21] [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
[2021-05-15 02:45:41] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:45:41] [INFO ] [Real]Absence check using 10000 positive place invariants in 17952 ms returned unknown
[2021-05-15 02:46:01] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:46:01] [INFO ] [Real]Absence check using 10000 positive place invariants in 17952 ms returned (error "Failed to check-sat")
[2021-05-15 02:46:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:46:01] [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 6
Applied a total of 0 rules in 110 ms. Remains 25000 /25000 variables (removed 0) and now considering 25000/25000 (removed 0) transitions.
// Phase 1: matrix 25000 rows 25000 cols
[2021-05-15 02:46:02] [INFO ] Computed 10000 place invariants in 809 ms
[2021-05-15 02:46:47] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:46:47] [INFO ] [Real]Absence check using 10000 positive place invariants in 43024 ms returned unknown
[2021-05-15 02:47:32] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:47:32] [INFO ] [Real]Absence check using 10000 positive place invariants in 42846 ms returned unknown
[2021-05-15 02:48:17] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:48:17] [INFO ] [Real]Absence check using 10000 positive place invariants in 42779 ms returned (error "Failed to check-sat")
[2021-05-15 02:48:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:48:17] [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
[2021-05-15 02:49:02] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:49:02] [INFO ] [Real]Absence check using 10000 positive place invariants in 43051 ms returned (error "Failed to check-sat")
[2021-05-15 02:49:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:49:02] [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
[2021-05-15 02:49:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:49:14] [INFO ] [Real]Absence check using 10000 positive place invariants in 9061 ms returned unknown
[2021-05-15 02:49:59] [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 (= 1 (+ s3445 s13445 s18445 s23445))") while checking expression at index 5
[2021-05-15 02:50:44] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:50:44] [INFO ] [Real]Absence check using 10000 positive place invariants in 42976 ms returned unknown
[2021-05-15 02:51:29] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-15 02:51:29] [INFO ] [Real]Absence check using 10000 positive place invariants in 42962 ms returned (error "Failed to check-sat")
[2021-05-15 02:51:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-15 02:51:29] [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 7
[2021-05-15 02:51:29] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 218 ms.
[2021-05-15 02:51:29] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 113 ms.
[2021-05-15 02:51:49] [INFO ] Flatten gal took : 19345 ms
info: Time: 3600 - MCC
vrfy: Checking ReachabilityFireability @ Philosophers-COL-005000 @ 3570 seconds
vrfy: finished
info: timeLeft: 2314
rslt: Output for ReachabilityFireability @ Philosophers-COL-005000
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: input: PNML file (--pnml)
lola: reading net from model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file model.pnml
lola: 50000/268435456 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 25000
lola: finding significant places
lola: 25000 places, 25000 transitions, 15000 significant places
lola: compute conflict clusters
lola: computed conflict clusters
lola: Computing conflicting sets
lola: Computing back conflicting sets
lola: TASK
lola: Reading formula in XML format (--xmlformula)
lola: reading pnml
lola: reading formula from ReachabilityFireability.xml
Killed
rslt: finished

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

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="Philosophers-COL-005000"
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 Philosophers-COL-005000, 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 r151-tall-162089151600404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-005000.tgz
mv Philosophers-COL-005000 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 ;