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Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r284-smll-162123894300056
Last Updated
Jun 28, 2021

About the Execution of 2020-gold for TokenRing-PT-020

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
7729.968 3600000.00 3696698.00 8134.90 TF??TF?F??T????? normal

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.r284-smll-162123894300056.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is TokenRing-PT-020, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r284-smll-162123894300056
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 80M
-rw-r--r-- 1 mcc users 731K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 3.6M May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.2M May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 33M May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 258K Mar 28 16:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 896K Mar 28 16:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8M Mar 28 16:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 4.8M Mar 28 16:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 197K Mar 27 14:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 623K Mar 27 14:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.0M Mar 25 20:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14M Mar 25 20:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 50K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 121K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 4 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 6.0M May 5 16:52 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 TokenRing-PT-020-ReachabilityFireability-00
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-01
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-02
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-03
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-04
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-05
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-06
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-07
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-08
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-09
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-10
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-11
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-12
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-13
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-14
FORMULA_NAME TokenRing-PT-020-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1621417705319

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-19 09:48:28] [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]
[2021-05-19 09:48:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-19 09:48:28] [INFO ] Load time of PNML (sax parser for PT used): 656 ms
[2021-05-19 09:48:28] [INFO ] Transformed 441 places.
[2021-05-19 09:48:29] [INFO ] Transformed 8421 transitions.
[2021-05-19 09:48:29] [INFO ] Found NUPN structural information;
[2021-05-19 09:48:29] [INFO ] Parsed PT model containing 441 places and 8421 transitions in 783 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 1152 ms.
Working with output stream class java.io.PrintStream
FORMULA TokenRing-PT-020-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TokenRing-PT-020-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TokenRing-PT-020-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 4105 ms. (steps per millisecond=2 ) properties seen :[0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA TokenRing-PT-020-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA TokenRing-PT-020-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 4741 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 3999 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 3934 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 3499 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 3517 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 3495 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 3615 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 3544 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 3617 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 4274 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 4454 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 8421 rows 441 cols
[2021-05-19 09:49:17] [INFO ] Computed 21 place invariants in 189 ms
[2021-05-19 09:49:18] [INFO ] [Real]Absence check using 21 positive place invariants in 308 ms returned sat
[2021-05-19 09:49:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:49:22] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:49:22] [INFO ] [Real]Absence check using state equation in 4141 ms returned (error "Failed to check-sat")
[2021-05-19 09:49:23] [INFO ] [Real]Absence check using 21 positive place invariants in 310 ms returned sat
[2021-05-19 09:49:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:49:27] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:49:27] [INFO ] [Real]Absence check using state equation in 4467 ms returned (error "Failed to check-sat")
[2021-05-19 09:49:27] [INFO ] [Real]Absence check using 21 positive place invariants in 283 ms returned sat
[2021-05-19 09:49:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:49:32] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:49:32] [INFO ] [Real]Absence check using state equation in 4591 ms returned unknown
[2021-05-19 09:49:32] [INFO ] [Real]Absence check using 21 positive place invariants in 28 ms returned sat
[2021-05-19 09:49:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:49:37] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:49:37] [INFO ] [Real]Absence check using state equation in 4894 ms returned (error "Failed to check-sat")
[2021-05-19 09:49:37] [INFO ] [Real]Absence check using 21 positive place invariants in 31 ms returned sat
[2021-05-19 09:49:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:49:42] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:49:42] [INFO ] [Real]Absence check using state equation in 4855 ms returned (error "Failed to check-sat")
[2021-05-19 09:49:42] [INFO ] [Real]Absence check using 21 positive place invariants in 39 ms returned sat
[2021-05-19 09:49:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:49:47] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:49:47] [INFO ] [Real]Absence check using state equation in 4890 ms returned (error "Failed to check-sat")
[2021-05-19 09:49:47] [INFO ] [Real]Absence check using 21 positive place invariants in 52 ms returned sat
[2021-05-19 09:49:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:49:52] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:49:52] [INFO ] [Real]Absence check using state equation in 4877 ms returned (error "Failed to check-sat")
[2021-05-19 09:49:52] [INFO ] [Real]Absence check using 21 positive place invariants in 49 ms returned sat
[2021-05-19 09:49:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:49:57] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:49:57] [INFO ] [Real]Absence check using state equation in 4831 ms returned (error "Failed to check-sat")
[2021-05-19 09:49:57] [INFO ] [Real]Absence check using 21 positive place invariants in 29 ms returned sat
[2021-05-19 09:49:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:50:02] [INFO ] [Real]Absence check using state equation in 4901 ms returned (error "Solver has unexpectedly terminated")
[2021-05-19 09:50:02] [INFO ] [Real]Absence check using 21 positive place invariants in 31 ms returned sat
[2021-05-19 09:50:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:50:07] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:50:07] [INFO ] [Real]Absence check using state equation in 4901 ms returned (error "Failed to check-sat")
[2021-05-19 09:50:07] [INFO ] [Real]Absence check using 21 positive place invariants in 29 ms returned sat
[2021-05-19 09:50:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:50:12] [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 (= s331 (- (+ t452 t1471 t1673 t1767 t2040 t2873 t3481 t3664 t3672 t3836 t3969 t4021 t4647 t4953 t5734 t6187 t6248 t6504 t7465 t8345) (+ t29 t429 t895 t1097 t1822 t2182 t2299 t2621 t3256 t3424 t3864 t3991 t5691 t5793 t5862 t5863 t5953 t7313 t8013 t8095)))") while checking expression at index 10
Support contains 441 out of 441 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 441/441 places, 8421/8421 transitions.
Applied a total of 0 rules in 402 ms. Remains 441 /441 variables (removed 0) and now considering 8421/8421 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 441/441 places, 8421/8421 transitions.
Interrupted random walk after 69912 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 10785 steps, including 0 resets, run timeout after 5002 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 11512 steps, including 0 resets, run timeout after 5001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 10907 steps, including 0 resets, run timeout after 5002 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 11790 steps, including 0 resets, run timeout after 5002 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 11824 steps, including 0 resets, run timeout after 5001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 12586 steps, including 0 resets, run timeout after 5001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 12208 steps, including 0 resets, run timeout after 5001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 12634 steps, including 0 resets, run timeout after 5001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 12383 steps, including 0 resets, run timeout after 5001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 13220 steps, including 0 resets, run timeout after 5001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 12178 steps, including 0 resets, run timeout after 5001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted probabilistic random walk after 345998 steps, run timeout after 30001 ms. (steps per millisecond=11 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Probabilistic random walk after 345998 steps, saw 66522 distinct states, run finished after 30002 ms. (steps per millisecond=11 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 8421 rows 441 cols
[2021-05-19 09:52:08] [INFO ] Computed 21 place invariants in 67 ms
[2021-05-19 09:52:09] [INFO ] [Real]Absence check using 21 positive place invariants in 283 ms returned sat
[2021-05-19 09:52:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:52:16] [INFO ] [Real]Absence check using state equation in 7748 ms returned sat
[2021-05-19 09:52:17] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:52:42] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:52:55] [INFO ] [Nat]Absence check using 21 positive place invariants in 38265 ms returned unknown
[2021-05-19 09:52:56] [INFO ] [Real]Absence check using 21 positive place invariants in 301 ms returned sat
[2021-05-19 09:52:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:53:03] [INFO ] [Real]Absence check using state equation in 7810 ms returned sat
[2021-05-19 09:53:04] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2021-05-19 09:53:07] [INFO ] [Real]Added 8020 Read/Feed constraints in 3086 ms returned sat
[2021-05-19 09:53:07] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:53:33] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:53:45] [INFO ] [Nat]Absence check using 21 positive place invariants in 37592 ms returned unknown
[2021-05-19 09:53:45] [INFO ] [Real]Absence check using 21 positive place invariants in 213 ms returned sat
[2021-05-19 09:53:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:53:53] [INFO ] [Real]Absence check using state equation in 7115 ms returned sat
[2021-05-19 09:53:56] [INFO ] [Real]Added 8020 Read/Feed constraints in 2944 ms returned sat
[2021-05-19 09:53:56] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:54:21] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 09:54:34] [INFO ] [Nat]Absence check using 21 positive place invariants in 37957 ms returned unknown
[2021-05-19 09:54:34] [INFO ] [Real]Absence check using 21 positive place invariants in 30 ms returned sat
[2021-05-19 09:54:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:54:41] [INFO ] [Real]Absence check using state equation in 6995 ms returned sat
[2021-05-19 09:54:44] [INFO ] [Real]Added 8020 Read/Feed constraints in 2912 ms returned sat
[2021-05-19 09:54:45] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:54:45] [INFO ] [Nat]Absence check using 21 positive place invariants in 66 ms returned sat
[2021-05-19 09:54:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 09:54:52] [INFO ] [Nat]Absence check using state equation in 7590 ms returned sat
[2021-05-19 09:54:55] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2168 ms returned sat
[2021-05-19 09:54:56] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 1245 ms.
[2021-05-19 09:55:15] [INFO ] Added : 100 causal constraints over 20 iterations in 20575 ms.(timeout) Result :sat
[2021-05-19 09:55:17] [INFO ] [Real]Absence check using 21 positive place invariants in 47 ms returned sat
[2021-05-19 09:55:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:55:24] [INFO ] [Real]Absence check using state equation in 7553 ms returned sat
[2021-05-19 09:55:27] [INFO ] [Real]Added 8020 Read/Feed constraints in 2524 ms returned sat
[2021-05-19 09:55:27] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:55:27] [INFO ] [Nat]Absence check using 21 positive place invariants in 39 ms returned sat
[2021-05-19 09:55:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 09:55:34] [INFO ] [Nat]Absence check using state equation in 6742 ms returned sat
[2021-05-19 09:55:36] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2085 ms returned sat
[2021-05-19 09:55:38] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 1238 ms.
[2021-05-19 09:55:57] [INFO ] Added : 115 causal constraints over 23 iterations in 20783 ms.(timeout) Result :sat
[2021-05-19 09:55:58] [INFO ] [Real]Absence check using 21 positive place invariants in 31 ms returned sat
[2021-05-19 09:55:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:56:05] [INFO ] [Real]Absence check using state equation in 7047 ms returned sat
[2021-05-19 09:56:08] [INFO ] [Real]Added 8020 Read/Feed constraints in 2573 ms returned sat
[2021-05-19 09:56:08] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:56:08] [INFO ] [Nat]Absence check using 21 positive place invariants in 34 ms returned sat
[2021-05-19 09:56:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 09:56:15] [INFO ] [Nat]Absence check using state equation in 7355 ms returned sat
[2021-05-19 09:56:18] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2633 ms returned sat
[2021-05-19 09:56:19] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 813 ms.
[2021-05-19 09:56:39] [INFO ] Added : 125 causal constraints over 25 iterations in 20310 ms.(timeout) Result :sat
[2021-05-19 09:56:40] [INFO ] [Real]Absence check using 21 positive place invariants in 47 ms returned sat
[2021-05-19 09:56:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:56:47] [INFO ] [Real]Absence check using state equation in 7229 ms returned sat
[2021-05-19 09:56:50] [INFO ] [Real]Added 8020 Read/Feed constraints in 2473 ms returned sat
[2021-05-19 09:56:50] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:56:50] [INFO ] [Nat]Absence check using 21 positive place invariants in 37 ms returned sat
[2021-05-19 09:56:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 09:56:57] [INFO ] [Nat]Absence check using state equation in 7313 ms returned sat
[2021-05-19 09:56:59] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2105 ms returned sat
[2021-05-19 09:57:00] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 758 ms.
[2021-05-19 09:57:20] [INFO ] Added : 115 causal constraints over 23 iterations in 20750 ms.(timeout) Result :sat
[2021-05-19 09:57:21] [INFO ] [Real]Absence check using 21 positive place invariants in 29 ms returned sat
[2021-05-19 09:57:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:57:28] [INFO ] [Real]Absence check using state equation in 6573 ms returned sat
[2021-05-19 09:57:31] [INFO ] [Real]Added 8020 Read/Feed constraints in 2667 ms returned sat
[2021-05-19 09:57:31] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:57:31] [INFO ] [Nat]Absence check using 21 positive place invariants in 36 ms returned sat
[2021-05-19 09:57:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 09:57:38] [INFO ] [Nat]Absence check using state equation in 6546 ms returned sat
[2021-05-19 09:57:40] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2258 ms returned sat
[2021-05-19 09:57:41] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 906 ms.
[2021-05-19 09:58:01] [INFO ] Added : 115 causal constraints over 23 iterations in 21142 ms.(timeout) Result :sat
[2021-05-19 09:58:02] [INFO ] [Real]Absence check using 21 positive place invariants in 30 ms returned sat
[2021-05-19 09:58:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:58:09] [INFO ] [Real]Absence check using state equation in 7250 ms returned sat
[2021-05-19 09:58:12] [INFO ] [Real]Added 8020 Read/Feed constraints in 2477 ms returned sat
[2021-05-19 09:58:12] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:58:12] [INFO ] [Nat]Absence check using 21 positive place invariants in 39 ms returned sat
[2021-05-19 09:58:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 09:58:20] [INFO ] [Nat]Absence check using state equation in 7716 ms returned sat
[2021-05-19 09:58:23] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2708 ms returned sat
[2021-05-19 09:58:24] [INFO ] Deduced a trap composed of 245 places in 1025 ms
[2021-05-19 09:58:26] [INFO ] Deduced a trap composed of 245 places in 1309 ms
[2021-05-19 09:58:26] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 3459 ms
[2021-05-19 09:58:27] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 960 ms.
[2021-05-19 09:58:47] [INFO ] Added : 130 causal constraints over 26 iterations in 20362 ms.(timeout) Result :sat
[2021-05-19 09:58:48] [INFO ] [Real]Absence check using 21 positive place invariants in 49 ms returned sat
[2021-05-19 09:58:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:58:55] [INFO ] [Real]Absence check using state equation in 6946 ms returned sat
[2021-05-19 09:58:57] [INFO ] [Real]Added 8020 Read/Feed constraints in 2451 ms returned sat
[2021-05-19 09:58:57] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:58:57] [INFO ] [Nat]Absence check using 21 positive place invariants in 35 ms returned sat
[2021-05-19 09:58:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 09:59:04] [INFO ] [Nat]Absence check using state equation in 7074 ms returned sat
[2021-05-19 09:59:07] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2829 ms returned sat
[2021-05-19 09:59:08] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 791 ms.
[2021-05-19 09:59:29] [INFO ] Added : 115 causal constraints over 23 iterations in 21001 ms.(timeout) Result :sat
[2021-05-19 09:59:29] [INFO ] [Real]Absence check using 21 positive place invariants in 47 ms returned sat
[2021-05-19 09:59:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 09:59:36] [INFO ] [Real]Absence check using state equation in 6926 ms returned sat
[2021-05-19 09:59:39] [INFO ] [Real]Added 8020 Read/Feed constraints in 2985 ms returned sat
[2021-05-19 09:59:40] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 09:59:40] [INFO ] [Nat]Absence check using 21 positive place invariants in 45 ms returned sat
[2021-05-19 09:59:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 09:59:47] [INFO ] [Nat]Absence check using state equation in 7581 ms returned sat
[2021-05-19 09:59:50] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2765 ms returned sat
[2021-05-19 09:59:51] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 857 ms.
[2021-05-19 10:00:11] [INFO ] Added : 125 causal constraints over 25 iterations in 20931 ms.(timeout) Result :sat
Interrupted Parikh walk after 77503 steps, including 161 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0]
FORMULA TokenRing-PT-020-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Interrupted Parikh walk after 83688 steps, including 175 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Parikh walk after 78778 steps, including 164 resets, run timeout after 30002 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Parikh walk after 79881 steps, including 167 resets, run timeout after 30002 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Parikh walk after 82669 steps, including 172 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Parikh walk after 83038 steps, including 166 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Parikh walk after 81593 steps, including 163 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted Parikh walk after 80212 steps, including 167 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Support contains 441 out of 441 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 441/441 places, 8421/8421 transitions.
Applied a total of 0 rules in 170 ms. Remains 441 /441 variables (removed 0) and now considering 8421/8421 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 441/441 places, 8421/8421 transitions.
Starting structural reductions, iteration 0 : 441/441 places, 8421/8421 transitions.
Applied a total of 0 rules in 314 ms. Remains 441 /441 variables (removed 0) and now considering 8421/8421 (removed 0) transitions.
// Phase 1: matrix 8421 rows 441 cols
[2021-05-19 10:04:13] [INFO ] Computed 21 place invariants in 37 ms
[2021-05-19 10:04:13] [INFO ] Implicit Places using invariants in 455 ms returned []
// Phase 1: matrix 8421 rows 441 cols
[2021-05-19 10:04:13] [INFO ] Computed 21 place invariants in 37 ms
[2021-05-19 10:04:15] [INFO ] Implicit Places using invariants and state equation in 1423 ms returned []
Implicit Place search using SMT with State Equation took 1883 ms to find 0 implicit places.
[2021-05-19 10:04:17] [INFO ] Redundant transitions in 1961 ms returned []
// Phase 1: matrix 8421 rows 441 cols
[2021-05-19 10:04:17] [INFO ] Computed 21 place invariants in 17 ms
[2021-05-19 10:04:31] [INFO ] Dead Transitions using invariants and state equation in 14501 ms returned []
Finished structural reductions, in 1 iterations. Remains : 441/441 places, 8421/8421 transitions.
Interrupted random walk after 71283 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 8421 rows 441 cols
[2021-05-19 10:05:01] [INFO ] Computed 21 place invariants in 26 ms
[2021-05-19 10:05:02] [INFO ] [Real]Absence check using 21 positive place invariants in 201 ms returned sat
[2021-05-19 10:05:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:05:09] [INFO ] [Real]Absence check using state equation in 7253 ms returned sat
[2021-05-19 10:05:09] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:05:29] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 10:05:29] [INFO ] [Nat]Absence check using 21 positive place invariants in 19889 ms returned (error "Solver has unexpectedly terminated")
[2021-05-19 10:05:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:05:29] [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 0
[2021-05-19 10:05:30] [INFO ] [Real]Absence check using 21 positive place invariants in 301 ms returned sat
[2021-05-19 10:05:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:05:37] [INFO ] [Real]Absence check using state equation in 7323 ms returned sat
[2021-05-19 10:05:38] [INFO ] State equation strengthened by 8020 read => feed constraints.
[2021-05-19 10:05:40] [INFO ] [Real]Added 8020 Read/Feed constraints in 2669 ms returned sat
[2021-05-19 10:05:40] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:06:00] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 10:06:00] [INFO ] [Nat]Absence check using 21 positive place invariants in 19880 ms returned unknown
[2021-05-19 10:06:01] [INFO ] [Real]Absence check using 21 positive place invariants in 48 ms returned sat
[2021-05-19 10:06:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:06:08] [INFO ] [Real]Absence check using state equation in 6970 ms returned sat
[2021-05-19 10:06:10] [INFO ] [Real]Added 8020 Read/Feed constraints in 2684 ms returned sat
[2021-05-19 10:06:11] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:06:11] [INFO ] [Nat]Absence check using 21 positive place invariants in 55 ms returned sat
[2021-05-19 10:06:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:06:18] [INFO ] [Nat]Absence check using state equation in 7118 ms returned sat
[2021-05-19 10:06:20] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2544 ms returned sat
[2021-05-19 10:06:22] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 1142 ms.
[2021-05-19 10:06:31] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (=> (> t45 0) (and (or (and (> t262 0) (< o262 o45)) (and (> t715 0) (< o715 o45)) (and (> t898 0) (< o898 o45)) (and (> t950 0) (< o950 o45)) (and (> t1128 0) (< o1128 o45)) (and (> t1193 0) (< o1193 o45)) (and (> t1524 0) (< o1524 o45)) (and (> t2175 0) (< o2175 o45)) (and (> t2389 0) (< o2389 o45)) (and (> t2835 0) (< o2835 o45)) (and (> t2924 0) (< o2924 o45)) (and (> t3238 0) (< o3238 o45)) (and (> t4283 0) (< o4283 o45)) (and (> t5347 0) (< o5347 o45)) (and (> t5399 0) (< o5399 o45)) (and (> t6741 0) (< o6741 o45)) (and (> t7187 0) (< o7187 o45)) (and (> t7886 0) (< o7886 o45)) (and (> t7949 0) (< o7949 o45)) (and (> t8257 0) (< o8257 o45))) (or (and (> t97 0) (< o97 o45)) (and (> t2351 0) (< o2351 o45)) (and (> t2445 0) (< o2445 o45)) (and (> t2796 0) (< o2796 o45)) (and (> t2900 0) (< o2900 o45)) (and (> t3424 0) (< o3424 o45)) (and (> t4005 0) (< o4005 o45)) (and (> t4198 0) (< o4198 o45)) (and (> t4561 0) (< o4561 o45)) (and (> t4955 0) (< o4955 o45)) (and (> t5608 0) (< o5608 o45)) (and (> t6406 0) (< o6406 o45)) (and (> t6445 0) (< o6445 o45)) (and (> t6749 0) (< o6749 o45)) (and (> t6801 0) (< o6801 o45)) (and (> t6961 0) (< o6961 o45)) (and (> t7036 0) (< o7036 o45)) (and (> t7316 0) (< o7316 o45)) (and (> t7921 0) (< o7921 o45)) (and (> t8127 0) (< o8127 o45)))))") while checking expression at index 2
[2021-05-19 10:06:31] [INFO ] [Real]Absence check using 21 positive place invariants in 34 ms returned sat
[2021-05-19 10:06:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:06:38] [INFO ] [Real]Absence check using state equation in 7176 ms returned sat
[2021-05-19 10:06:40] [INFO ] [Real]Added 8020 Read/Feed constraints in 2043 ms returned sat
[2021-05-19 10:06:40] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:06:40] [INFO ] [Nat]Absence check using 21 positive place invariants in 56 ms returned sat
[2021-05-19 10:06:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:06:48] [INFO ] [Nat]Absence check using state equation in 7354 ms returned sat
[2021-05-19 10:06:50] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2228 ms returned sat
[2021-05-19 10:06:51] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 768 ms.
[2021-05-19 10:07:00] [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 (=> (> t58 0) (and (and (> t1382 0) (< o1382 o58)) (or (and (> t726 0) (< o726 o58)) (and (> t1053 0) (< o1053 o58)) (and (> t1428 0) (< o1428 o58)) (and (> t1611 0) (< o1611 o58)) (and (> t1719 0) (< o1719 o58)) (and (> t2252 0) (< o2252 o58)) (and (> t2454 0) (< o2454 o58)) (and (> t2633 0) (< o2633 o58)) (and (> t3462 0) (< o3462 o58)) (and (> t3724 0) (< o3724 o58)) (and (> t3868 0) (< o3868 o58)) (and (> t4386 0) (< o4386 o58)) (and (> t4844 0) (< o4844 o58)) (and (> t4990 0) (< o4990 o58)) (and (> t5196 0) (< o5196 o58)) (and (> t5206 0) (< o5206 o58)) (and (> t6340 0) (< o6340 o58)) (and (> t6943 0) (< o6943 o58)) (and (> t7298 0) (< o7298 o58)) (and (> t7880 0) (< o7880 o58)))))") while checking expression at index 3
[2021-05-19 10:07:00] [INFO ] [Real]Absence check using 21 positive place invariants in 39 ms returned sat
[2021-05-19 10:07:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:07:07] [INFO ] [Real]Absence check using state equation in 6824 ms returned sat
[2021-05-19 10:07:10] [INFO ] [Real]Added 8020 Read/Feed constraints in 2337 ms returned sat
[2021-05-19 10:07:10] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:07:10] [INFO ] [Nat]Absence check using 21 positive place invariants in 51 ms returned sat
[2021-05-19 10:07:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:07:17] [INFO ] [Nat]Absence check using state equation in 7310 ms returned sat
[2021-05-19 10:07:20] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2283 ms returned sat
[2021-05-19 10:07:21] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 1035 ms.
[2021-05-19 10:07:30] [INFO ] Added : 50 causal constraints over 10 iterations in 10006 ms. Result :(error "Failed to check-sat")
[2021-05-19 10:07:30] [INFO ] [Real]Absence check using 21 positive place invariants in 29 ms returned sat
[2021-05-19 10:07:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:07:37] [INFO ] [Real]Absence check using state equation in 6382 ms returned sat
[2021-05-19 10:07:40] [INFO ] [Real]Added 8020 Read/Feed constraints in 2904 ms returned sat
[2021-05-19 10:07:40] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:07:40] [INFO ] [Nat]Absence check using 21 positive place invariants in 33 ms returned sat
[2021-05-19 10:07:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:07:47] [INFO ] [Nat]Absence check using state equation in 7422 ms returned sat
[2021-05-19 10:07:50] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2302 ms returned sat
[2021-05-19 10:07:51] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 867 ms.
[2021-05-19 10:08:00] [INFO ] Added : 50 causal constraints over 10 iterations in 9915 ms. Result :(error "Failed to check-sat")
[2021-05-19 10:08:00] [INFO ] [Real]Absence check using 21 positive place invariants in 52 ms returned sat
[2021-05-19 10:08:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:08:07] [INFO ] [Real]Absence check using state equation in 7372 ms returned sat
[2021-05-19 10:08:10] [INFO ] [Real]Added 8020 Read/Feed constraints in 2452 ms returned sat
[2021-05-19 10:08:10] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:08:10] [INFO ] [Nat]Absence check using 21 positive place invariants in 33 ms returned sat
[2021-05-19 10:08:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:08:18] [INFO ] [Nat]Absence check using state equation in 7269 ms returned sat
[2021-05-19 10:08:20] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2539 ms returned sat
[2021-05-19 10:08:22] [INFO ] Deduced a trap composed of 245 places in 1592 ms
[2021-05-19 10:08:24] [INFO ] Deduced a trap composed of 245 places in 1618 ms
[2021-05-19 10:08:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 4406 ms
[2021-05-19 10:08:25] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 927 ms.
[2021-05-19 10:08:30] [INFO ] Added : 30 causal constraints over 6 iterations in 5676 ms. Result :unknown
[2021-05-19 10:08:30] [INFO ] [Real]Absence check using 21 positive place invariants in 33 ms returned sat
[2021-05-19 10:08:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:08:38] [INFO ] [Real]Absence check using state equation in 7329 ms returned sat
[2021-05-19 10:08:40] [INFO ] [Real]Added 8020 Read/Feed constraints in 2551 ms returned sat
[2021-05-19 10:08:41] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:08:41] [INFO ] [Nat]Absence check using 21 positive place invariants in 33 ms returned sat
[2021-05-19 10:08:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:08:47] [INFO ] [Nat]Absence check using state equation in 6695 ms returned sat
[2021-05-19 10:08:50] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2657 ms returned sat
[2021-05-19 10:08:51] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 778 ms.
[2021-05-19 10:09:01] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (=> (> t50 0) (and (or (and (> t444 0) (< o444 o50)) (and (> t474 0) (< o474 o50)) (and (> t885 0) (< o885 o50)) (and (> t1076 0) (< o1076 o50)) (and (> t2541 0) (< o2541 o50)) (and (> t2944 0) (< o2944 o50)) (and (> t3042 0) (< o3042 o50)) (and (> t3244 0) (< o3244 o50)) (and (> t3528 0) (< o3528 o50)) (and (> t3939 0) (< o3939 o50)) (and (> t4196 0) (< o4196 o50)) (and (> t4274 0) (< o4274 o50)) (and (> t4655 0) (< o4655 o50)) (and (> t4794 0) (< o4794 o50)) (and (> t4886 0) (< o4886 o50)) (and (> t5637 0) (< o5637 o50)) (and (> t5800 0) (< o5800 o50)) (and (> t6409 0) (< o6409 o50)) (and (> t8034 0) (< o8034 o50)) (and (> t8370 0) (< o8370 o50))) (or (and (> t175 0) (< o175 o50)) (and (> t1036 0) (< o1036 o50)) (and (> t1189 0) (< o1189 o50)) (and (> t1342 0) (< o1342 o50)) (and (> t1807 0) (< o1807 o50)) (and (> t1910 0) (< o1910 o50)) (and (> t2188 0) (< o2188 o50)) (and (> t2228 0) (< o2228 o50)) (and (> t2519 0) (< o2519 o50)) (and (> t3458 0) (< o3458 o50)) (and (> t3471 0) (< o3471 o50)) (and (> t4089 0) (< o4089 o50)) (and (> t4486 0) (< o4486 o50)) (and (> t4827 0) (< o4827 o50)) (and (> t5032 0) (< o5032 o50)) (and (> t5281 0) (< o5281 o50)) (and (> t7480 0) (< o7480 o50)) (and (> t8148 0) (< o8148 o50)) (and (> t8264 0) (< o8264 o50)) (and (> t8416 0) (< o8416 o50)))))") while checking expression at index 7
[2021-05-19 10:09:01] [INFO ] [Real]Absence check using 21 positive place invariants in 33 ms returned sat
[2021-05-19 10:09:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:09:08] [INFO ] [Real]Absence check using state equation in 7551 ms returned sat
[2021-05-19 10:09:11] [INFO ] [Real]Added 8020 Read/Feed constraints in 2480 ms returned sat
[2021-05-19 10:09:11] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:09:11] [INFO ] [Nat]Absence check using 21 positive place invariants in 34 ms returned sat
[2021-05-19 10:09:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:09:18] [INFO ] [Nat]Absence check using state equation in 6539 ms returned sat
[2021-05-19 10:09:20] [INFO ] [Nat]Added 8020 Read/Feed constraints in 2409 ms returned sat
[2021-05-19 10:09:21] [INFO ] Computed and/alt/rep : 8401/312820/8401 causal constraints in 708 ms.
[2021-05-19 10:09:31] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (=> (> t60 0) (and (or (and (> t488 0) (< o488 o60)) (and (> t1100 0) (< o1100 o60)) (and (> t1160 0) (< o1160 o60)) (and (> t2116 0) (< o2116 o60)) (and (> t2256 0) (< o2256 o60)) (and (> t2311 0) (< o2311 o60)) (and (> t2506 0) (< o2506 o60)) (and (> t2517 0) (< o2517 o60)) (and (> t2874 0) (< o2874 o60)) (and (> t3350 0) (< o3350 o60)) (and (> t3782 0) (< o3782 o60)) (and (> t5149 0) (< o5149 o60)) (and (> t5356 0) (< o5356 o60)) (and (> t5713 0) (< o5713 o60)) (and (> t5812 0) (< o5812 o60)) (and (> t6375 0) (< o6375 o60)) (and (> t6942 0) (< o6942 o60)) (and (> t7842 0) (< o7842 o60)) (and (> t8159 0) (< o8159 o60)) (and (> t8350 0) (< o8350 o60))) (or (and (> t463 0) (< o463 o60)) (and (> t994 0) (< o994 o60)) (and (> t1250 0) (< o1250 o60)) (and (> t1531 0) (< o1531 o60)) (and (> t3222 0) (< o3222 o60)) (and (> t3263 0) (< o3263 o60)) (and (> t3675 0) (< o3675 o60)) (and (> t4446 0) (< o4446 o60)) (and (> t4604 0) (< o4604 o60)) (and (> t4613 0) (< o4613 o60)) (and (> t5031 0) (< o5031 o60)) (and (> t5463 0) (< o5463 o60)) (and (> t5534 0) (< o5534 o60)) (and (> t5587 0) (< o5587 o60)) (and (> t5936 0) (< o5936 o60)) (and (> t6068 0) (< o6068 o60)) (and (> t6975 0) (< o6975 o60)) (and (> t7637 0) (< o7637 o60)) (and (> t8030 0) (< o8030 o60)) (and (> t8177 0) (< o8177 o60)))))") while checking expression at index 8
Drop transitions removed 7511 transitions
Redundant transition composition rules discarded 7511 transitions
Iterating global reduction 0 with 7511 rules applied. Total rules applied 7511 place count 441 transition count 910
Applied a total of 7511 rules in 106 ms. Remains 441 /441 variables (removed 0) and now considering 910/8421 (removed 7511) transitions.
// Phase 1: matrix 910 rows 441 cols
[2021-05-19 10:09:32] [INFO ] Computed 21 place invariants in 3 ms
[2021-05-19 10:09:32] [INFO ] [Real]Absence check using 21 positive place invariants in 326 ms returned sat
[2021-05-19 10:09:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:09:34] [INFO ] [Real]Absence check using state equation in 1701 ms returned sat
[2021-05-19 10:09:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:09:58] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 10:10:11] [INFO ] [Nat]Absence check using 21 positive place invariants in 37060 ms returned unknown
[2021-05-19 10:10:11] [INFO ] [Real]Absence check using 21 positive place invariants in 214 ms returned sat
[2021-05-19 10:10:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:10:13] [INFO ] [Real]Absence check using state equation in 1726 ms returned sat
[2021-05-19 10:10:13] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 50 ms.
[2021-05-19 10:10:13] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:10:39] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 10:10:52] [INFO ] [Nat]Absence check using 21 positive place invariants in 38250 ms returned unknown
[2021-05-19 10:10:52] [INFO ] [Real]Absence check using 21 positive place invariants in 326 ms returned sat
[2021-05-19 10:10:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:10:54] [INFO ] [Real]Absence check using state equation in 1695 ms returned sat
[2021-05-19 10:10:54] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 84 ms.
[2021-05-19 10:10:54] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:11:20] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-19 10:11:32] [INFO ] [Nat]Absence check using 21 positive place invariants in 37834 ms returned unknown
[2021-05-19 10:11:32] [INFO ] [Real]Absence check using 21 positive place invariants in 32 ms returned sat
[2021-05-19 10:11:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:11:34] [INFO ] [Real]Absence check using state equation in 1087 ms returned sat
[2021-05-19 10:11:34] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 54 ms.
[2021-05-19 10:11:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:11:34] [INFO ] [Nat]Absence check using 21 positive place invariants in 53 ms returned sat
[2021-05-19 10:11:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:11:35] [INFO ] [Nat]Absence check using state equation in 1083 ms returned sat
[2021-05-19 10:11:35] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 68 ms.
[2021-05-19 10:11:42] [INFO ] Added : 512 causal constraints over 103 iterations in 7423 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 43 ms.
[2021-05-19 10:11:43] [INFO ] [Real]Absence check using 21 positive place invariants in 30 ms returned sat
[2021-05-19 10:11:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:11:44] [INFO ] [Real]Absence check using state equation in 913 ms returned sat
[2021-05-19 10:11:44] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 81 ms.
[2021-05-19 10:11:44] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:11:44] [INFO ] [Nat]Absence check using 21 positive place invariants in 51 ms returned sat
[2021-05-19 10:11:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:11:45] [INFO ] [Nat]Absence check using state equation in 973 ms returned sat
[2021-05-19 10:11:45] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 68 ms.
[2021-05-19 10:11:53] [INFO ] Added : 459 causal constraints over 93 iterations in 7615 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 36 ms.
[2021-05-19 10:11:53] [INFO ] [Real]Absence check using 21 positive place invariants in 47 ms returned sat
[2021-05-19 10:11:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:11:54] [INFO ] [Real]Absence check using state equation in 996 ms returned sat
[2021-05-19 10:11:54] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 53 ms.
[2021-05-19 10:11:54] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:11:54] [INFO ] [Nat]Absence check using 21 positive place invariants in 35 ms returned sat
[2021-05-19 10:11:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:11:55] [INFO ] [Nat]Absence check using state equation in 761 ms returned sat
[2021-05-19 10:11:55] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 52 ms.
[2021-05-19 10:12:01] [INFO ] Added : 434 causal constraints over 88 iterations in 5528 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 33 ms.
[2021-05-19 10:12:01] [INFO ] [Real]Absence check using 21 positive place invariants in 47 ms returned sat
[2021-05-19 10:12:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:12:02] [INFO ] [Real]Absence check using state equation in 1184 ms returned sat
[2021-05-19 10:12:02] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 53 ms.
[2021-05-19 10:12:02] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:12:03] [INFO ] [Nat]Absence check using 21 positive place invariants in 34 ms returned sat
[2021-05-19 10:12:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:12:04] [INFO ] [Nat]Absence check using state equation in 1014 ms returned sat
[2021-05-19 10:12:04] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 83 ms.
[2021-05-19 10:12:09] [INFO ] Added : 363 causal constraints over 73 iterations in 4998 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 41 ms.
[2021-05-19 10:12:09] [INFO ] [Real]Absence check using 21 positive place invariants in 30 ms returned sat
[2021-05-19 10:12:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:12:10] [INFO ] [Real]Absence check using state equation in 933 ms returned sat
[2021-05-19 10:12:10] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 77 ms.
[2021-05-19 10:12:10] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:12:10] [INFO ] [Nat]Absence check using 21 positive place invariants in 57 ms returned sat
[2021-05-19 10:12:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:12:11] [INFO ] [Nat]Absence check using state equation in 1163 ms returned sat
[2021-05-19 10:12:11] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 54 ms.
[2021-05-19 10:12:18] [INFO ] Added : 457 causal constraints over 93 iterations in 6478 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 23 ms.
[2021-05-19 10:12:18] [INFO ] [Real]Absence check using 21 positive place invariants in 48 ms returned sat
[2021-05-19 10:12:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:12:19] [INFO ] [Real]Absence check using state equation in 1146 ms returned sat
[2021-05-19 10:12:19] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 46 ms.
[2021-05-19 10:12:20] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:12:20] [INFO ] [Nat]Absence check using 21 positive place invariants in 42 ms returned sat
[2021-05-19 10:12:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:12:21] [INFO ] [Nat]Absence check using state equation in 1003 ms returned sat
[2021-05-19 10:12:21] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 78 ms.
[2021-05-19 10:12:29] [INFO ] Added : 463 causal constraints over 94 iterations in 8177 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 28 ms.
[2021-05-19 10:12:29] [INFO ] [Real]Absence check using 21 positive place invariants in 64 ms returned sat
[2021-05-19 10:12:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-19 10:12:30] [INFO ] [Real]Absence check using state equation in 1158 ms returned sat
[2021-05-19 10:12:31] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 75 ms.
[2021-05-19 10:12:31] [INFO ] Solution in real domain found non-integer solution.
[2021-05-19 10:12:31] [INFO ] [Nat]Absence check using 21 positive place invariants in 34 ms returned sat
[2021-05-19 10:12:31] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-19 10:12:32] [INFO ] [Nat]Absence check using state equation in 883 ms returned sat
[2021-05-19 10:12:32] [INFO ] Computed and/alt/rep : 861/2022/861 causal constraints in 74 ms.
[2021-05-19 10:12:40] [INFO ] Added : 475 causal constraints over 96 iterations in 7815 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 29 ms.
[2021-05-19 10:12:40] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 183 ms.
[2021-05-19 10:12:40] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 75 ms.
[2021-05-19 10:12:41] [INFO ] Flatten gal took : 683 ms
info: Time: 3600 - MCC
vrfy: Checking ReachabilityFireability @ TokenRing-PT-020 @ 3570 seconds
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427332 kB
MemFree: 8339916 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16011092 kB

--------------------
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="TokenRing-PT-020"
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 TokenRing-PT-020, 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 r284-smll-162123894300056"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TokenRing-PT-020.tgz
mv TokenRing-PT-020 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 ;