Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r329-tall-167889201800228.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is RERS2020-PT-pb102, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889201800228
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 71M
-rw-r--r-- 1 mcc users 8.4K Feb 26 08:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Feb 26 08:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 26 08:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K Feb 26 08:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K Feb 26 08:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 71K Feb 26 08:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 08:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Feb 26 08:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 70M Mar 5 18:23 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 RERS2020-PT-pb102-LTLFireability-00
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-01
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-02
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-03
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-04
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-05
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-06
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-07
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-08
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-09
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-10
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-11
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-12
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-13
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-14
FORMULA_NAME RERS2020-PT-pb102-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679084883340

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RERS2020-PT-pb102
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 20:28:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 20:28:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 20:28:06] [INFO ] Load time of PNML (sax parser for PT used): 1915 ms
[2023-03-17 20:28:06] [INFO ] Transformed 1276 places.
[2023-03-17 20:28:07] [INFO ] Transformed 125387 transitions.
[2023-03-17 20:28:07] [INFO ] Found NUPN structural information;
[2023-03-17 20:28:07] [INFO ] Parsed PT model containing 1276 places and 125387 transitions and 499222 arcs in 2616 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 30 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 2767 transitions
Reduce redundant transitions removed 2767 transitions.
Support contains 68 out of 1276 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1276/1276 places, 122620/122620 transitions.
Ensure Unique test removed 6 places
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 1270 transition count 122620
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 1267 transition count 122617
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 1267 transition count 122617
Applied a total of 12 rules in 706 ms. Remains 1267 /1276 variables (removed 9) and now considering 122617/122620 (removed 3) transitions.
[2023-03-17 20:28:08] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:28:09] [INFO ] Computed 7 place invariants in 584 ms
[2023-03-17 20:28:17] [INFO ] Implicit Places using invariants in 8243 ms returned []
Implicit Place search using SMT only with invariants took 8270 ms to find 0 implicit places.
[2023-03-17 20:28:17] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:28:17] [INFO ] Invariant cache hit.
[2023-03-17 20:28:47] [INFO ] Performed 92830/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:28:56] [INFO ] Dead Transitions using invariants and state equation in 39094 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1267/1276 places, 122617/122620 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 48085 ms. Remains : 1267/1276 places, 122617/122620 transitions.
Support contains 68 out of 1267 places after structural reductions.
[2023-03-17 20:29:00] [INFO ] Flatten gal took : 3330 ms
[2023-03-17 20:29:03] [INFO ] Flatten gal took : 3096 ms
[2023-03-17 20:29:10] [INFO ] Input system was already deterministic with 122617 transitions.
Support contains 66 out of 1267 places (down from 68) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1455 ms. (steps per millisecond=6 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=32 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 35) seen :0
Interrupted probabilistic random walk after 17004 steps, run timeout after 6001 ms. (steps per millisecond=2 ) properties seen :{14=1}
Probabilistic random walk after 17004 steps, saw 12219 distinct states, run finished after 6005 ms. (steps per millisecond=2 ) properties seen :1
Running SMT prover for 34 properties.
[2023-03-17 20:29:19] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:29:19] [INFO ] Invariant cache hit.
[2023-03-17 20:29:19] [INFO ] After 920ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:34
[2023-03-17 20:29:20] [INFO ] [Nat]Absence check using 7 positive place invariants in 12 ms returned sat
[2023-03-17 20:29:44] [INFO ] After 25014ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 34 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 64 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 52 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 51 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 47 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 47 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 37 times.
Iterating global reduction 5 with 37 rules applied. Total rules applied 4128 place count 1218 transition count 118544
Reduce places removed 37 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 73 rules applied. Total rules applied 4201 place count 1181 transition count 118508
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4202 place count 1181 transition count 118507
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4204 place count 1180 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4205 place count 1180 transition count 118505
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Free-agglomeration rule (complex) applied 69 times with reduction of 2083 identical transitions.
Iterating global reduction 8 with 69 rules applied. Total rules applied 4275 place count 1179 transition count 129391
Reduce places removed 69 places and 0 transitions.
Drop transitions removed 41 transitions
Ensure Unique test removed 1863 transitions
Reduce isomorphic transitions removed 1904 transitions.
Iterating post reduction 8 with 1973 rules applied. Total rules applied 6248 place count 1110 transition count 127487
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 6249 place count 1109 transition count 127486
Applied a total of 6249 rules in 7463 ms. Remains 1109 /1267 variables (removed 158) and now considering 127486/122617 (removed -4869) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7466 ms. Remains : 1109/1267 places, 127486/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1092 ms. (steps per millisecond=9 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=11 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 33) seen :0
Interrupted probabilistic random walk after 9088 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9088 steps, saw 6847 distinct states, run finished after 3001 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 33 properties.
[2023-03-17 20:29:57] [INFO ] Flow matrix only has 100595 transitions (discarded 26891 similar events)
// Phase 1: matrix 100595 rows 1109 cols
[2023-03-17 20:29:57] [INFO ] Computed 7 place invariants in 450 ms
[2023-03-17 20:29:58] [INFO ] After 643ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:33
[2023-03-17 20:29:59] [INFO ] [Nat]Absence check using 7 positive place invariants in 11 ms returned sat
[2023-03-17 20:30:23] [INFO ] After 23934ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :32
[2023-03-17 20:30:24] [INFO ] State equation strengthened by 3431 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:30:24] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:30:24] [INFO ] After 26104ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:33
Fused 33 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 64 out of 1109 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1109/1109 places, 127486/127486 transitions.
Applied a total of 0 rules in 622 ms. Remains 1109 /1109 variables (removed 0) and now considering 127486/127486 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 622 ms. Remains : 1109/1109 places, 127486/127486 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1109/1109 places, 127486/127486 transitions.
Applied a total of 0 rules in 550 ms. Remains 1109 /1109 variables (removed 0) and now considering 127486/127486 (removed 0) transitions.
[2023-03-17 20:30:25] [INFO ] Flow matrix only has 100595 transitions (discarded 26891 similar events)
[2023-03-17 20:30:25] [INFO ] Invariant cache hit.
[2023-03-17 20:30:32] [INFO ] Implicit Places using invariants in 7204 ms returned []
Implicit Place search using SMT only with invariants took 7205 ms to find 0 implicit places.
[2023-03-17 20:30:32] [INFO ] Flow matrix only has 100595 transitions (discarded 26891 similar events)
[2023-03-17 20:30:32] [INFO ] Invariant cache hit.
[2023-03-17 20:31:03] [INFO ] Performed 99805/127486 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:31:10] [INFO ] Dead Transitions using invariants and state equation in 37835 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45600 ms. Remains : 1109/1109 places, 127486/127486 transitions.
Successfully simplified 1 atomic propositions for a total of 16 simplifications.
Computed a total of 245 stabilizing places and 27913 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((G(F(p0))||G(p1))))))'
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 169 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:31:11] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:31:11] [INFO ] Computed 7 place invariants in 350 ms
[2023-03-17 20:31:19] [INFO ] Implicit Places using invariants in 7905 ms returned []
Implicit Place search using SMT only with invariants took 7913 ms to find 0 implicit places.
[2023-03-17 20:31:19] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:31:19] [INFO ] Invariant cache hit.
[2023-03-17 20:31:49] [INFO ] Performed 100677/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:31:56] [INFO ] Dead Transitions using invariants and state equation in 36647 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44736 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 364 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 4}, { cond=(NOT p1), acceptance={} source=3 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}, { cond=true, acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(AND (EQ s1080 1) (EQ s1128 1)), p0:(OR (EQ s626 0) (EQ s1238 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 6918 ms.
Product exploration explored 100000 steps with 0 reset in 6857 ms.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 84 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 3 resets, run finished after 777 ms. (steps per millisecond=12 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 152 ms. (steps per millisecond=65 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 8786 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8786 steps, saw 6544 distinct states, run finished after 3002 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 20:32:15] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:32:15] [INFO ] Invariant cache hit.
[2023-03-17 20:32:15] [INFO ] [Real]Absence check using 7 positive place invariants in 11 ms returned sat
[2023-03-17 20:32:15] [INFO ] After 205ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 20:32:16] [INFO ] [Nat]Absence check using 7 positive place invariants in 12 ms returned sat
[2023-03-17 20:32:40] [INFO ] After 24790ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-17 20:32:41] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:32:41] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:32:41] [INFO ] After 25797ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 51 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 47 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 43 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 43 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 38 times.
Iterating global reduction 5 with 38 rules applied. Total rules applied 4129 place count 1218 transition count 118543
Reduce places removed 38 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 74 rules applied. Total rules applied 4203 place count 1180 transition count 118507
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4204 place count 1180 transition count 118506
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4207 place count 1179 transition count 118504
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4283 place count 1178 transition count 134714
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7816 place count 1103 transition count 131256
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7817 place count 1102 transition count 131255
Applied a total of 7817 rules in 6767 ms. Remains 1102 /1267 variables (removed 165) and now considering 131255/122617 (removed -8638) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6770 ms. Remains : 1102/1267 places, 131255/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1024 ms. (steps per millisecond=9 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 133 ms. (steps per millisecond=75 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 135 ms. (steps per millisecond=74 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 6813 steps, run timeout after 3004 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6813 steps, saw 5301 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 20:32:53] [INFO ] Flow matrix only has 104269 transitions (discarded 26986 similar events)
// Phase 1: matrix 104269 rows 1102 cols
[2023-03-17 20:32:53] [INFO ] Computed 7 place invariants in 556 ms
[2023-03-17 20:32:53] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned sat
[2023-03-17 20:32:53] [INFO ] After 178ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 20:32:53] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2023-03-17 20:33:18] [INFO ] After 25032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1102/1102 places, 131255/131255 transitions.
Applied a total of 0 rules in 570 ms. Remains 1102 /1102 variables (removed 0) and now considering 131255/131255 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 570 ms. Remains : 1102/1102 places, 131255/131255 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1102/1102 places, 131255/131255 transitions.
Applied a total of 0 rules in 553 ms. Remains 1102 /1102 variables (removed 0) and now considering 131255/131255 (removed 0) transitions.
[2023-03-17 20:33:20] [INFO ] Flow matrix only has 104269 transitions (discarded 26986 similar events)
[2023-03-17 20:33:20] [INFO ] Invariant cache hit.
[2023-03-17 20:33:27] [INFO ] Implicit Places using invariants in 7981 ms returned []
Implicit Place search using SMT only with invariants took 7982 ms to find 0 implicit places.
[2023-03-17 20:33:28] [INFO ] Flow matrix only has 104269 transitions (discarded 26986 similar events)
[2023-03-17 20:33:28] [INFO ] Invariant cache hit.
[2023-03-17 20:33:58] [INFO ] Performed 102667/131255 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:34:05] [INFO ] Dead Transitions using invariants and state equation in 37938 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46484 ms. Remains : 1102/1102 places, 131255/131255 transitions.
Knowledge obtained : [(AND (NOT p1) p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 108 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 196 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 210 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 155 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:34:06] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:34:07] [INFO ] Computed 7 place invariants in 341 ms
[2023-03-17 20:34:14] [INFO ] Implicit Places using invariants in 7793 ms returned []
Implicit Place search using SMT only with invariants took 7794 ms to find 0 implicit places.
[2023-03-17 20:34:14] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:34:14] [INFO ] Invariant cache hit.
[2023-03-17 20:34:44] [INFO ] Performed 101049/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:34:51] [INFO ] Dead Transitions using invariants and state equation in 36517 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44470 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 109 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 231 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 770 ms. (steps per millisecond=12 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 149 ms. (steps per millisecond=67 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 9307 steps, run timeout after 3003 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9307 steps, saw 6929 distinct states, run finished after 3003 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 20:34:56] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:34:56] [INFO ] Invariant cache hit.
[2023-03-17 20:34:56] [INFO ] [Real]Absence check using 7 positive place invariants in 13 ms returned sat
[2023-03-17 20:34:56] [INFO ] After 198ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 20:34:56] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2023-03-17 20:35:21] [INFO ] After 24952ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-17 20:35:22] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:35:22] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:35:22] [INFO ] After 25833ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 52 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 48 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 44 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 43 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 38 times.
Iterating global reduction 5 with 38 rules applied. Total rules applied 4129 place count 1218 transition count 118543
Reduce places removed 38 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 74 rules applied. Total rules applied 4203 place count 1180 transition count 118507
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4204 place count 1180 transition count 118506
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4207 place count 1179 transition count 118504
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4283 place count 1178 transition count 134714
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7816 place count 1103 transition count 131256
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7817 place count 1102 transition count 131255
Applied a total of 7817 rules in 6572 ms. Remains 1102 /1267 variables (removed 165) and now considering 131255/122617 (removed -8638) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6577 ms. Remains : 1102/1267 places, 131255/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 872 ms. (steps per millisecond=11 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 8998 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8998 steps, saw 6779 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 20:35:33] [INFO ] Flow matrix only has 104269 transitions (discarded 26986 similar events)
// Phase 1: matrix 104269 rows 1102 cols
[2023-03-17 20:35:33] [INFO ] Computed 7 place invariants in 471 ms
[2023-03-17 20:35:33] [INFO ] [Real]Absence check using 7 positive place invariants in 10 ms returned sat
[2023-03-17 20:35:33] [INFO ] After 195ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 20:35:34] [INFO ] [Nat]Absence check using 7 positive place invariants in 11 ms returned sat
[2023-03-17 20:35:59] [INFO ] After 24813ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 20:35:59] [INFO ] State equation strengthened by 3605 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:35:59] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:35:59] [INFO ] After 25704ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1102/1102 places, 131255/131255 transitions.
Applied a total of 0 rules in 552 ms. Remains 1102 /1102 variables (removed 0) and now considering 131255/131255 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 552 ms. Remains : 1102/1102 places, 131255/131255 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1102/1102 places, 131255/131255 transitions.
Applied a total of 0 rules in 555 ms. Remains 1102 /1102 variables (removed 0) and now considering 131255/131255 (removed 0) transitions.
[2023-03-17 20:36:00] [INFO ] Flow matrix only has 104269 transitions (discarded 26986 similar events)
[2023-03-17 20:36:00] [INFO ] Invariant cache hit.
[2023-03-17 20:36:08] [INFO ] Implicit Places using invariants in 7764 ms returned []
Implicit Place search using SMT only with invariants took 7765 ms to find 0 implicit places.
[2023-03-17 20:36:08] [INFO ] Flow matrix only has 104269 transitions (discarded 26986 similar events)
[2023-03-17 20:36:08] [INFO ] Invariant cache hit.
[2023-03-17 20:36:38] [INFO ] Performed 99254/131255 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:36:47] [INFO ] Dead Transitions using invariants and state equation in 39367 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47697 ms. Remains : 1102/1102 places, 131255/131255 transitions.
Knowledge obtained : [(AND (NOT p1) p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 117 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 201 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 202 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 232 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 5343 ms.
Product exploration explored 100000 steps with 1 reset in 6784 ms.
Applying partial POR strategy [false, false, false, true, true, true]
Stuttering acceptance computed with spot in 202 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1267 transition count 122617
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 1267 transition count 122616
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 42 places in 47 ms
Iterating global reduction 2 with 40 rules applied. Total rules applied 43 place count 1267 transition count 122623
Ensure Unique test removed 1982 transitions
Reduce isomorphic transitions removed 1982 transitions.
Iterating post reduction 2 with 1982 rules applied. Total rules applied 2025 place count 1267 transition count 120641
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 44 places in 84 ms
Iterating global reduction 3 with 2 rules applied. Total rules applied 2027 place count 1267 transition count 120641
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2028 place count 1267 transition count 120640
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2030 place count 1265 transition count 120638
Deduced a syphon composed of 42 places in 45 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 2032 place count 1265 transition count 120638
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 47 places in 44 ms
Iterating global reduction 4 with 5 rules applied. Total rules applied 2037 place count 1265 transition count 120652
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 2042 place count 1265 transition count 120647
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 2043 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 43 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 2044 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 46 ms
Applied a total of 2044 rules in 3066 ms. Remains 1264 /1267 variables (removed 3) and now considering 120644/122617 (removed 1973) transitions.
[2023-03-17 20:37:04] [INFO ] Flow matrix only has 92428 transitions (discarded 28216 similar events)
// Phase 1: matrix 92428 rows 1264 cols
[2023-03-17 20:37:05] [INFO ] Computed 7 place invariants in 481 ms
[2023-03-17 20:37:35] [INFO ] Performed 100032/120644 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:37:41] [INFO ] Dead Transitions using invariants and state equation in 36683 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1264/1267 places, 120644/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 39753 ms. Remains : 1264/1267 places, 120644/122617 transitions.
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 162 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:37:41] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:37:41] [INFO ] Computed 7 place invariants in 365 ms
[2023-03-17 20:37:49] [INFO ] Implicit Places using invariants in 7881 ms returned []
Implicit Place search using SMT only with invariants took 7885 ms to find 0 implicit places.
[2023-03-17 20:37:49] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:37:49] [INFO ] Invariant cache hit.
[2023-03-17 20:38:19] [INFO ] Performed 98624/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:38:26] [INFO ] Dead Transitions using invariants and state equation in 37519 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 45570 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Treatment of property RERS2020-PT-pb102-LTLFireability-00 finished in 440231 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(!p0)) U G((p1||X(G(!p2))))))'
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 251 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:38:31] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:38:31] [INFO ] Invariant cache hit.
[2023-03-17 20:38:39] [INFO ] Implicit Places using invariants in 8141 ms returned []
Implicit Place search using SMT only with invariants took 8146 ms to find 0 implicit places.
[2023-03-17 20:38:40] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:38:40] [INFO ] Invariant cache hit.
[2023-03-17 20:39:10] [INFO ] Performed 96666/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:39:17] [INFO ] Dead Transitions using invariants and state equation in 37887 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46287 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 262 ms :[(AND (NOT p1) p2), (AND p0 p2), (AND (NOT p1) p2), p0]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={1} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={0, 1} source=0 dest: 2}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 1}, { cond=p2, acceptance={} source=1 dest: 3}], [{ cond=p2, acceptance={1} source=2 dest: 0}, { cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) p2), acceptance={0, 1} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}, { cond=p0, acceptance={0, 1} source=3 dest: 3}]], initial=0, aps=[p1:(AND (EQ s158 1) (EQ s509 1)), p2:(AND (EQ s275 1) (EQ s1005 1)), p0:(AND (EQ s8 1) (EQ s164 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 28379 reset in 8478 ms.
Product exploration explored 100000 steps with 28501 reset in 7799 ms.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (NOT p1)), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p1) (NOT p2))), (X (X (NOT p2))), true, (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 13 factoid took 586 ms. Reduced automaton from 4 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 15 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 118 ms :[(AND (NOT p1) p2), (AND p1 p2 p0), (AND (NOT p1) p2), p0]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 885 ms. (steps per millisecond=11 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 122 ms. (steps per millisecond=81 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 125 ms. (steps per millisecond=80 ) properties (out of 6) seen :0
Interrupted probabilistic random walk after 8350 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8350 steps, saw 6215 distinct states, run finished after 3003 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 6 properties.
[2023-03-17 20:39:40] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:39:40] [INFO ] Invariant cache hit.
[2023-03-17 20:39:40] [INFO ] [Real]Absence check using 7 positive place invariants in 10 ms returned sat
0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
[2023-03-17 20:40:05] [INFO ] After 24862ms SMT Verify possible using state equation in real domain returned unsat :1 sat :3 real:2
[2023-03-17 20:40:06] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:40:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:40:06] [INFO ] After 25789ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 50 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 46 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 46 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 44 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 73 times with reduction of 2998 identical transitions.
Iterating global reduction 8 with 73 rules applied. Total rules applied 4283 place count 1177 transition count 131366
Reduce places removed 73 places and 0 transitions.
Drop transitions removed 46 transitions
Ensure Unique test removed 2284 transitions
Reduce isomorphic transitions removed 2330 transitions.
Iterating post reduction 8 with 2403 rules applied. Total rules applied 6686 place count 1104 transition count 129036
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 6687 place count 1103 transition count 129035
Applied a total of 6687 rules in 6584 ms. Remains 1103 /1267 variables (removed 164) and now considering 129035/122617 (removed -6418) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6587 ms. Remains : 1103/1267 places, 129035/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 770 ms. (steps per millisecond=12 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 117 ms. (steps per millisecond=85 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 148 ms. (steps per millisecond=67 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 9118 steps, run timeout after 3001 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9118 steps, saw 6865 distinct states, run finished after 3002 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-17 20:40:17] [INFO ] Flow matrix only has 102079 transitions (discarded 26956 similar events)
// Phase 1: matrix 102079 rows 1103 cols
[2023-03-17 20:40:18] [INFO ] Computed 7 place invariants in 428 ms
[2023-03-17 20:40:18] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned sat
[2023-03-17 20:40:43] [INFO ] After 24798ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:3
[2023-03-17 20:40:43] [INFO ] State equation strengthened by 3505 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:40:43] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:40:43] [INFO ] After 25694ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1103/1103 places, 129035/129035 transitions.
Applied a total of 0 rules in 532 ms. Remains 1103 /1103 variables (removed 0) and now considering 129035/129035 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 532 ms. Remains : 1103/1103 places, 129035/129035 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1103/1103 places, 129035/129035 transitions.
Applied a total of 0 rules in 531 ms. Remains 1103 /1103 variables (removed 0) and now considering 129035/129035 (removed 0) transitions.
[2023-03-17 20:40:44] [INFO ] Flow matrix only has 102079 transitions (discarded 26956 similar events)
[2023-03-17 20:40:44] [INFO ] Invariant cache hit.
[2023-03-17 20:40:52] [INFO ] Implicit Places using invariants in 7789 ms returned []
Implicit Place search using SMT only with invariants took 7790 ms to find 0 implicit places.
[2023-03-17 20:40:52] [INFO ] Flow matrix only has 102079 transitions (discarded 26956 similar events)
[2023-03-17 20:40:52] [INFO ] Invariant cache hit.
[2023-03-17 20:41:22] [INFO ] Performed 102626/129035 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:41:30] [INFO ] Dead Transitions using invariants and state equation in 37463 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45795 ms. Remains : 1103/1103 places, 129035/129035 transitions.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (NOT p1)), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p1) (NOT p2))), (X (X (NOT p2))), true, (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p2)))), (G (NOT (AND p1 p2)))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 559 ms. Reduced automaton from 4 states, 15 edges and 3 AP (stutter insensitive) to 3 states, 10 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 111 ms :[p2, p2, p0]
Stuttering acceptance computed with spot in 113 ms :[p2, p2, p0]
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1266 transition count 122614
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 1264 transition count 122613
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 1264 transition count 122611
Deduced a syphon composed of 2 places in 51 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 9 place count 1262 transition count 122611
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 46 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 85 place count 1224 transition count 122573
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 2066 place count 1224 transition count 120592
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 45 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 2070 place count 1222 transition count 120590
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2071 place count 1222 transition count 120589
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 45 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 2081 place count 1217 transition count 120590
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 2085 place count 1217 transition count 120586
Applied a total of 2085 rules in 2708 ms. Remains 1217 /1267 variables (removed 50) and now considering 120586/122617 (removed 2031) transitions.
[2023-03-17 20:41:33] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
// Phase 1: matrix 92370 rows 1217 cols
[2023-03-17 20:41:34] [INFO ] Computed 7 place invariants in 362 ms
[2023-03-17 20:41:41] [INFO ] Implicit Places using invariants in 7825 ms returned []
Implicit Place search using SMT only with invariants took 7830 ms to find 0 implicit places.
[2023-03-17 20:41:41] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
[2023-03-17 20:41:41] [INFO ] Invariant cache hit.
[2023-03-17 20:42:11] [INFO ] Performed 94918/120586 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:42:19] [INFO ] Dead Transitions using invariants and state equation in 38336 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1217/1267 places, 120586/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 48879 ms. Remains : 1217/1267 places, 120586/122617 transitions.
Computed a total of 232 stabilizing places and 26848 stable transitions
Computed a total of 232 stabilizing places and 26848 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 429 ms. Reduced automaton from 3 states, 10 edges and 3 AP (stutter insensitive) to 3 states, 10 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 133 ms :[p2, p2, p0]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1147 ms. (steps per millisecond=8 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 155 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 189 ms. (steps per millisecond=52 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 151 ms. (steps per millisecond=66 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 154 ms. (steps per millisecond=64 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 6503 steps, run timeout after 3002 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6503 steps, saw 4775 distinct states, run finished after 3002 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-17 20:42:26] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
[2023-03-17 20:42:26] [INFO ] Invariant cache hit.
[2023-03-17 20:42:26] [INFO ] [Real]Absence check using 7 positive place invariants in 12 ms returned sat
[2023-03-17 20:42:51] [INFO ] After 25046ms SMT Verify possible using state equation in real domain returned unsat :0 sat :4
[2023-03-17 20:42:52] [INFO ] State equation strengthened by 3026 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:42:52] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:42:52] [INFO ] After 25968ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1217 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1217/1217 places, 120586/120586 transitions.
Drop transitions removed 2006 transitions
Reduce isomorphic transitions removed 2006 transitions.
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1217 transition count 118580
Free-agglomeration rule applied 39 times.
Iterating global reduction 1 with 39 rules applied. Total rules applied 2045 place count 1217 transition count 118541
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 1 with 75 rules applied. Total rules applied 2120 place count 1178 transition count 118505
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 2121 place count 1178 transition count 118504
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 2123 place count 1177 transition count 118503
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 2124 place count 1177 transition count 118502
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2125 place count 1176 transition count 118502
Free-agglomeration rule (complex) applied 73 times with reduction of 2998 identical transitions.
Iterating global reduction 4 with 73 rules applied. Total rules applied 2198 place count 1176 transition count 131365
Reduce places removed 73 places and 0 transitions.
Drop transitions removed 46 transitions
Ensure Unique test removed 2284 transitions
Reduce isomorphic transitions removed 2330 transitions.
Iterating post reduction 4 with 2403 rules applied. Total rules applied 4601 place count 1103 transition count 129035
Applied a total of 4601 rules in 3771 ms. Remains 1103 /1217 variables (removed 114) and now considering 129035/120586 (removed -8449) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3774 ms. Remains : 1103/1217 places, 129035/120586 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 857 ms. (steps per millisecond=11 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 9390 steps, run timeout after 3002 ms. (steps per millisecond=3 ) properties seen :{}
Probabilistic random walk after 9390 steps, saw 7058 distinct states, run finished after 3002 ms. (steps per millisecond=3 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-17 20:43:00] [INFO ] Flow matrix only has 102079 transitions (discarded 26956 similar events)
// Phase 1: matrix 102079 rows 1103 cols
[2023-03-17 20:43:00] [INFO ] Computed 7 place invariants in 444 ms
[2023-03-17 20:43:00] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned sat
[2023-03-17 20:43:25] [INFO ] After 24817ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-17 20:43:26] [INFO ] State equation strengthened by 3505 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:43:26] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:43:26] [INFO ] After 25698ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1103/1103 places, 129035/129035 transitions.
Applied a total of 0 rules in 551 ms. Remains 1103 /1103 variables (removed 0) and now considering 129035/129035 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 551 ms. Remains : 1103/1103 places, 129035/129035 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1103/1103 places, 129035/129035 transitions.
Applied a total of 0 rules in 552 ms. Remains 1103 /1103 variables (removed 0) and now considering 129035/129035 (removed 0) transitions.
[2023-03-17 20:43:27] [INFO ] Flow matrix only has 102079 transitions (discarded 26956 similar events)
[2023-03-17 20:43:27] [INFO ] Invariant cache hit.
[2023-03-17 20:43:35] [INFO ] Implicit Places using invariants in 7851 ms returned []
Implicit Place search using SMT only with invariants took 7854 ms to find 0 implicit places.
[2023-03-17 20:43:35] [INFO ] Flow matrix only has 102079 transitions (discarded 26956 similar events)
[2023-03-17 20:43:35] [INFO ] Invariant cache hit.
[2023-03-17 20:44:05] [INFO ] Performed 97202/129035 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:44:14] [INFO ] Dead Transitions using invariants and state equation in 39102 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47521 ms. Remains : 1103/1103 places, 129035/129035 transitions.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT (AND p1 (NOT p2)))), (X (AND (NOT p1) (NOT p2))), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 338 ms. Reduced automaton from 3 states, 10 edges and 3 AP (stutter insensitive) to 3 states, 10 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 120 ms :[p2, p2, p0]
Stuttering acceptance computed with spot in 198 ms :[p2, p2, p0]
Stuttering acceptance computed with spot in 132 ms :[p2, p2, p0]
Product exploration explored 100000 steps with 0 reset in 6635 ms.
Product exploration explored 100000 steps with 0 reset in 7564 ms.
Support contains 6 out of 1217 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1217/1217 places, 120586/120586 transitions.
Applied a total of 0 rules in 498 ms. Remains 1217 /1217 variables (removed 0) and now considering 120586/120586 (removed 0) transitions.
[2023-03-17 20:44:30] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
// Phase 1: matrix 92370 rows 1217 cols
[2023-03-17 20:44:30] [INFO ] Computed 7 place invariants in 363 ms
[2023-03-17 20:44:37] [INFO ] Implicit Places using invariants in 7593 ms returned []
Implicit Place search using SMT only with invariants took 7593 ms to find 0 implicit places.
[2023-03-17 20:44:37] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
[2023-03-17 20:44:37] [INFO ] Invariant cache hit.
[2023-03-17 20:45:07] [INFO ] Performed 93891/120586 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:45:16] [INFO ] Dead Transitions using invariants and state equation in 38556 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 46651 ms. Remains : 1217/1217 places, 120586/120586 transitions.
Treatment of property RERS2020-PT-pb102-LTLFireability-01 finished in 408917 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((!p0 U G((F(p1) U X(p2))))) U (X(p4)&&p3)))'
Support contains 8 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 166 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:45:20] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:45:21] [INFO ] Computed 7 place invariants in 476 ms
[2023-03-17 20:45:28] [INFO ] Implicit Places using invariants in 8240 ms returned []
Implicit Place search using SMT only with invariants took 8243 ms to find 0 implicit places.
[2023-03-17 20:45:28] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:45:28] [INFO ] Invariant cache hit.
[2023-03-17 20:45:59] [INFO ] Performed 92453/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:46:08] [INFO ] Dead Transitions using invariants and state equation in 39982 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 48395 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 554 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p3), acceptance={0} source=0 dest: 0}, { cond=(NOT p3), acceptance={} source=0 dest: 1}, { cond=p3, acceptance={0} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=p0, acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 4}, { cond=(NOT p0), acceptance={} source=1 dest: 5}, { cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 6}, { cond=p0, acceptance={} source=1 dest: 7}], [{ cond=(AND (NOT p3) (NOT p4)), acceptance={0} source=2 dest: 0}, { cond=(OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4))), acceptance={} source=2 dest: 1}, { cond=(AND p3 (NOT p4)), acceptance={0} source=2 dest: 2}, { cond=(AND p0 (NOT p4)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p1) (NOT p0) (NOT p4)), acceptance={} source=2 dest: 4}, { cond=(AND (NOT p0) (NOT p4)), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p1) p0 (NOT p4)), acceptance={} source=2 dest: 6}, { cond=(AND p0 (NOT p4)), acceptance={} source=2 dest: 7}], [{ cond=true, acceptance={} source=3 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=3 dest: 6}, { cond=p2, acceptance={} source=3 dest: 7}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=4 dest: 4}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=4 dest: 6}, { cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=4 dest: 8}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=4 dest: 9}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=5 dest: 5}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=5 dest: 6}, { cond=(AND p0 (NOT p2)), acceptance={} source=5 dest: 7}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=6 dest: 10}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=7 dest: 6}, { cond=(NOT p2), acceptance={0} source=7 dest: 7}], [{ cond=(AND (NOT p1) (NOT p0) p2), acceptance={0} source=8 dest: 4}, { cond=(AND (NOT p1) p0 p2), acceptance={} source=8 dest: 6}, { cond=(AND (NOT p1) (NOT p0) p2), acceptance={} source=8 dest: 8}, { cond=(AND (NOT p1) p0 p2), acceptance={} source=8 dest: 9}], [{ cond=(NOT p1), acceptance={} source=9 dest: 6}, { cond=(NOT p1), acceptance={} source=9 dest: 9}], [{ cond=(NOT p1), acceptance={0} source=10 dest: 10}]], initial=0, aps=[p3:(AND (EQ s367 1) (EQ s1040 1)), p0:(AND (EQ s491 1) (EQ s630 1)), p1:(AND (EQ s330 1) (EQ s662 1)), p4:(AND (EQ s366 1) (EQ s1105 1)), p2:(AND (EQ s367...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 13346 reset in 6404 ms.
Product exploration explored 100000 steps with 13388 reset in 6228 ms.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Detected a total of 245/1267 stabilizing places and 27913/122617 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/5 atomic propositions.
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p1) (NOT p4) (NOT p2)), (X (NOT (AND (NOT p1) p0 (NOT p4)))), (X (AND (NOT p0) (NOT p4))), (X (OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4)))), (X (NOT (AND p3 (NOT p4)))), (X (NOT p3)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p0 (NOT p4)))), (X (AND (NOT p3) (NOT p4))), (X (AND (NOT p1) (NOT p0) (NOT p4))), (X (NOT p0)), (X (X (NOT (AND (NOT p1) p0 (NOT p4))))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p0 (NOT p4))))), (X (X (AND (NOT p3) (NOT p4)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p4)))), true, (X (X (OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT (AND p3 (NOT p4))))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (AND (NOT p1) (NOT p0) (NOT p4)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 32 factoid took 3228 ms. Reduced automaton from 11 states, 38 edges and 5 AP (stutter sensitive) to 11 states, 38 edges and 5 AP (stutter sensitive).
Stuttering acceptance computed with spot in 508 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1138 ms. (steps per millisecond=8 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Interrupted probabilistic random walk after 6869 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6869 steps, saw 5108 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 21 properties.
[2023-03-17 20:46:31] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:46:31] [INFO ] Invariant cache hit.
[2023-03-17 20:46:31] [INFO ] [Real]Absence check using 7 positive place invariants in 12 ms returned sat
[2023-03-17 20:46:56] [INFO ] After 24428ms SMT Verify possible using state equation in real domain returned unsat :0 sat :6 real:15
[2023-03-17 20:46:57] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:46:57] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:46:57] [INFO ] After 25835ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 21 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 8 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 53 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 48 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 45 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 45 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 73 times with reduction of 3094 identical transitions.
Iterating global reduction 8 with 73 rules applied. Total rules applied 4283 place count 1177 transition count 132452
Reduce places removed 73 places and 0 transitions.
Drop transitions removed 46 transitions
Ensure Unique test removed 2517 transitions
Reduce isomorphic transitions removed 2563 transitions.
Iterating post reduction 8 with 2636 rules applied. Total rules applied 6919 place count 1104 transition count 129889
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 6920 place count 1103 transition count 129888
Applied a total of 6920 rules in 6865 ms. Remains 1103 /1267 variables (removed 164) and now considering 129888/122617 (removed -7271) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6868 ms. Remains : 1103/1267 places, 129888/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1071 ms. (steps per millisecond=9 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Interrupted probabilistic random walk after 6428 steps, run timeout after 3005 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6428 steps, saw 5029 distinct states, run finished after 3005 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 21 properties.
[2023-03-17 20:47:08] [INFO ] Flow matrix only has 102931 transitions (discarded 26957 similar events)
// Phase 1: matrix 102931 rows 1103 cols
[2023-03-17 20:47:09] [INFO ] Computed 7 place invariants in 564 ms
[2023-03-17 20:47:09] [INFO ] [Real]Absence check using 7 positive place invariants in 11 ms returned sat
[2023-03-17 20:47:34] [INFO ] After 24447ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:15
[2023-03-17 20:47:34] [INFO ] State equation strengthened by 3544 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:47:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:47:34] [INFO ] After 25687ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 21 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 8 out of 1103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1103/1103 places, 129888/129888 transitions.
Applied a total of 0 rules in 556 ms. Remains 1103 /1103 variables (removed 0) and now considering 129888/129888 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 556 ms. Remains : 1103/1103 places, 129888/129888 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1103/1103 places, 129888/129888 transitions.
Applied a total of 0 rules in 563 ms. Remains 1103 /1103 variables (removed 0) and now considering 129888/129888 (removed 0) transitions.
[2023-03-17 20:47:36] [INFO ] Flow matrix only has 102931 transitions (discarded 26957 similar events)
[2023-03-17 20:47:36] [INFO ] Invariant cache hit.
[2023-03-17 20:47:43] [INFO ] Implicit Places using invariants in 7585 ms returned []
Implicit Place search using SMT only with invariants took 7589 ms to find 0 implicit places.
[2023-03-17 20:47:43] [INFO ] Flow matrix only has 102931 transitions (discarded 26957 similar events)
[2023-03-17 20:47:43] [INFO ] Invariant cache hit.
[2023-03-17 20:48:13] [INFO ] Performed 101111/129888 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:48:21] [INFO ] Dead Transitions using invariants and state equation in 38090 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46253 ms. Remains : 1103/1103 places, 129888/129888 transitions.
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p1) (NOT p4) (NOT p2)), (X (NOT (AND (NOT p1) p0 (NOT p4)))), (X (AND (NOT p0) (NOT p4))), (X (OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4)))), (X (NOT (AND p3 (NOT p4)))), (X (NOT p3)), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND p0 (NOT p4)))), (X (AND (NOT p3) (NOT p4))), (X (AND (NOT p1) (NOT p0) (NOT p4))), (X (NOT p0)), (X (X (NOT (AND (NOT p1) p0 (NOT p4))))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p0 (NOT p4))))), (X (X (AND (NOT p3) (NOT p4)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p4)))), true, (X (X (OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT (AND p3 (NOT p4))))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (AND (NOT p1) (NOT p0) (NOT p4)))), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 32 factoid took 3088 ms. Reduced automaton from 11 states, 38 edges and 5 AP (stutter sensitive) to 11 states, 38 edges and 5 AP (stutter sensitive).
Stuttering acceptance computed with spot in 454 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
Stuttering acceptance computed with spot in 436 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
[2023-03-17 20:48:25] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:48:26] [INFO ] Computed 7 place invariants in 347 ms
Could not prove EG (NOT p3)
[2023-03-17 20:48:41] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:48:42] [INFO ] Invariant cache hit.
Could not prove EG (NOT p4)
Support contains 8 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 167 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:48:57] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:48:57] [INFO ] Invariant cache hit.
[2023-03-17 20:49:05] [INFO ] Implicit Places using invariants in 7864 ms returned []
Implicit Place search using SMT only with invariants took 7866 ms to find 0 implicit places.
[2023-03-17 20:49:05] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:49:05] [INFO ] Invariant cache hit.
[2023-03-17 20:49:35] [INFO ] Performed 100532/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:49:41] [INFO ] Dead Transitions using invariants and state equation in 36678 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44713 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Detected a total of 245/1267 stabilizing places and 27913/122617 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/5 atomic propositions.
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p1) (NOT p4) (NOT p2)), (X (AND (NOT p0) (NOT p4))), (X (OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4)))), (X (NOT (AND p3 (NOT p4)))), (X (NOT p3)), (X (NOT (AND p0 (NOT p1) (NOT p4)))), (X (NOT (AND p0 (NOT p4)))), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p3) (NOT p4))), (X (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (AND (NOT p0) (NOT p1) (NOT p4))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p3))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p4))))), (X (X (NOT (AND p0 (NOT p4))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p3) (NOT p4)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p4)))), true, (X (X (OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p3 (NOT p4))))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) (NOT p1) (NOT p4)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 32 factoid took 2810 ms. Reduced automaton from 11 states, 38 edges and 5 AP (stutter sensitive) to 11 states, 38 edges and 5 AP (stutter sensitive).
Stuttering acceptance computed with spot in 459 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1469 ms. (steps per millisecond=6 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 21) seen :0
Interrupted probabilistic random walk after 6610 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6610 steps, saw 4937 distinct states, run finished after 3003 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 21 properties.
[2023-03-17 20:49:51] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:49:51] [INFO ] Invariant cache hit.
[2023-03-17 20:49:51] [INFO ] [Real]Absence check using 7 positive place invariants in 12 ms returned sat
[2023-03-17 20:50:16] [INFO ] After 24366ms SMT Verify possible using state equation in real domain returned unsat :0 sat :6 real:15
[2023-03-17 20:50:16] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:50:16] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:50:16] [INFO ] After 25684ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 21 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 8 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 54 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 48 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 45 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 45 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 73 times with reduction of 3094 identical transitions.
Iterating global reduction 8 with 73 rules applied. Total rules applied 4283 place count 1177 transition count 132452
Reduce places removed 73 places and 0 transitions.
Drop transitions removed 46 transitions
Ensure Unique test removed 2517 transitions
Reduce isomorphic transitions removed 2563 transitions.
Iterating post reduction 8 with 2636 rules applied. Total rules applied 6919 place count 1104 transition count 129889
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 6920 place count 1103 transition count 129888
Applied a total of 6920 rules in 6949 ms. Remains 1103 /1267 variables (removed 164) and now considering 129888/122617 (removed -7271) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6952 ms. Remains : 1103/1267 places, 129888/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1090 ms. (steps per millisecond=9 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=14 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 21) seen :0
Interrupted probabilistic random walk after 6865 steps, run timeout after 3005 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6865 steps, saw 5334 distinct states, run finished after 3005 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 21 properties.
[2023-03-17 20:50:28] [INFO ] Flow matrix only has 102931 transitions (discarded 26957 similar events)
// Phase 1: matrix 102931 rows 1103 cols
[2023-03-17 20:50:28] [INFO ] Computed 7 place invariants in 527 ms
[2023-03-17 20:50:29] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2023-03-17 20:50:53] [INFO ] After 24459ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:15
[2023-03-17 20:50:54] [INFO ] State equation strengthened by 3544 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:50:54] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:50:54] [INFO ] After 25691ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 21 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 8 out of 1103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1103/1103 places, 129888/129888 transitions.
Applied a total of 0 rules in 548 ms. Remains 1103 /1103 variables (removed 0) and now considering 129888/129888 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 549 ms. Remains : 1103/1103 places, 129888/129888 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1103/1103 places, 129888/129888 transitions.
Applied a total of 0 rules in 548 ms. Remains 1103 /1103 variables (removed 0) and now considering 129888/129888 (removed 0) transitions.
[2023-03-17 20:50:55] [INFO ] Flow matrix only has 102931 transitions (discarded 26957 similar events)
[2023-03-17 20:50:55] [INFO ] Invariant cache hit.
[2023-03-17 20:51:03] [INFO ] Implicit Places using invariants in 7660 ms returned []
Implicit Place search using SMT only with invariants took 7661 ms to find 0 implicit places.
[2023-03-17 20:51:03] [INFO ] Flow matrix only has 102931 transitions (discarded 26957 similar events)
[2023-03-17 20:51:03] [INFO ] Invariant cache hit.
[2023-03-17 20:51:33] [INFO ] Performed 100066/129888 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:51:41] [INFO ] Dead Transitions using invariants and state equation in 38380 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46600 ms. Remains : 1103/1103 places, 129888/129888 transitions.
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p1) (NOT p4) (NOT p2)), (X (AND (NOT p0) (NOT p4))), (X (OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4)))), (X (NOT (AND p3 (NOT p4)))), (X (NOT p3)), (X (NOT (AND p0 (NOT p1) (NOT p4)))), (X (NOT (AND p0 (NOT p4)))), (X (NOT (AND p0 (NOT p1)))), (X (AND (NOT p3) (NOT p4))), (X (NOT p0)), (X (AND (NOT p0) (NOT p1))), (X (AND (NOT p0) (NOT p1) (NOT p4))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT p3))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p4))))), (X (X (NOT (AND p0 (NOT p4))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p3) (NOT p4)))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p0) (NOT p4)))), true, (X (X (OR (AND (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4))))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1) (NOT p2))))), (X (X (NOT (AND p3 (NOT p4))))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) (NOT p1) (NOT p4)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 32 factoid took 3107 ms. Reduced automaton from 11 states, 38 edges and 5 AP (stutter sensitive) to 11 states, 38 edges and 5 AP (stutter sensitive).
Stuttering acceptance computed with spot in 512 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
Stuttering acceptance computed with spot in 491 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
[2023-03-17 20:51:46] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:51:46] [INFO ] Computed 7 place invariants in 388 ms
Could not prove EG (NOT p3)
[2023-03-17 20:52:01] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:52:02] [INFO ] Invariant cache hit.
Could not prove EG (NOT p4)
Stuttering acceptance computed with spot in 508 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
Product exploration explored 100000 steps with 13298 reset in 6151 ms.
Product exploration explored 100000 steps with 13364 reset in 6128 ms.
Applying partial POR strategy [false, false, false, false, false, false, true, false, false, true, true]
Stuttering acceptance computed with spot in 490 ms :[(OR (NOT p3) (NOT p4)), (NOT p2), (NOT p4), false, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), false, (AND (NOT p1) (NOT p2)), (NOT p1)]
Support contains 8 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1267 transition count 122617
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 1267 transition count 122616
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 42 places in 49 ms
Iterating global reduction 2 with 40 rules applied. Total rules applied 43 place count 1267 transition count 122623
Ensure Unique test removed 1982 transitions
Reduce isomorphic transitions removed 1982 transitions.
Iterating post reduction 2 with 1982 rules applied. Total rules applied 2025 place count 1267 transition count 120641
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 44 places in 48 ms
Iterating global reduction 3 with 2 rules applied. Total rules applied 2027 place count 1267 transition count 120641
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2028 place count 1267 transition count 120640
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2030 place count 1265 transition count 120638
Deduced a syphon composed of 42 places in 48 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 2032 place count 1265 transition count 120638
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 47 places in 48 ms
Iterating global reduction 4 with 5 rules applied. Total rules applied 2037 place count 1265 transition count 120652
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 2042 place count 1265 transition count 120647
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 2043 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 49 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 2044 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 97 ms
Applied a total of 2044 rules in 3061 ms. Remains 1264 /1267 variables (removed 3) and now considering 120644/122617 (removed 1973) transitions.
[2023-03-17 20:52:33] [INFO ] Flow matrix only has 92428 transitions (discarded 28216 similar events)
// Phase 1: matrix 92428 rows 1264 cols
[2023-03-17 20:52:34] [INFO ] Computed 7 place invariants in 413 ms
[2023-03-17 20:53:04] [INFO ] Performed 99844/120644 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:53:10] [INFO ] Dead Transitions using invariants and state equation in 36749 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1264/1267 places, 120644/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 39817 ms. Remains : 1264/1267 places, 120644/122617 transitions.
Support contains 8 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 165 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:53:10] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:53:11] [INFO ] Computed 7 place invariants in 381 ms
[2023-03-17 20:53:19] [INFO ] Implicit Places using invariants in 8248 ms returned []
Implicit Place search using SMT only with invariants took 8249 ms to find 0 implicit places.
[2023-03-17 20:53:19] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:53:19] [INFO ] Invariant cache hit.
[2023-03-17 20:53:49] [INFO ] Performed 97038/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:53:57] [INFO ] Dead Transitions using invariants and state equation in 38631 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47052 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Treatment of property RERS2020-PT-pb102-LTLFireability-02 finished in 522130 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1266 transition count 122614
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 1264 transition count 122613
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 1264 transition count 122611
Deduced a syphon composed of 2 places in 61 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 9 place count 1262 transition count 122611
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 56 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 85 place count 1224 transition count 122573
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 2066 place count 1224 transition count 120592
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 56 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 2070 place count 1222 transition count 120590
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2071 place count 1222 transition count 120589
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 56 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 2081 place count 1217 transition count 120590
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 2085 place count 1217 transition count 120586
Applied a total of 2085 rules in 3601 ms. Remains 1217 /1267 variables (removed 50) and now considering 120586/122617 (removed 2031) transitions.
[2023-03-17 20:54:06] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
// Phase 1: matrix 92370 rows 1217 cols
[2023-03-17 20:54:06] [INFO ] Computed 7 place invariants in 406 ms
[2023-03-17 20:54:14] [INFO ] Implicit Places using invariants in 7906 ms returned []
Implicit Place search using SMT only with invariants took 7907 ms to find 0 implicit places.
[2023-03-17 20:54:14] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
[2023-03-17 20:54:14] [INFO ] Invariant cache hit.
[2023-03-17 20:54:44] [INFO ] Performed 96877/120586 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:54:51] [INFO ] Dead Transitions using invariants and state equation in 37466 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1217/1267 places, 120586/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 48982 ms. Remains : 1217/1267 places, 120586/122617 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s61 1) (EQ s1004 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 76 steps with 0 reset in 10 ms.
FORMULA RERS2020-PT-pb102-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS2020-PT-pb102-LTLFireability-03 finished in 49244 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U (!p1&&X(p0))))'
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 175 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:54:52] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:54:52] [INFO ] Computed 7 place invariants in 457 ms
[2023-03-17 20:55:00] [INFO ] Implicit Places using invariants in 8108 ms returned []
Implicit Place search using SMT only with invariants took 8108 ms to find 0 implicit places.
[2023-03-17 20:55:00] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:55:00] [INFO ] Invariant cache hit.
[2023-03-17 20:55:30] [INFO ] Performed 94291/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:55:38] [INFO ] Dead Transitions using invariants and state equation in 38549 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46835 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p0) p1), true, (NOT p0), (NOT p0)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(AND p1 p0), acceptance={0} source=0 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={0} source=0 dest: 1}, { cond=(NOT p1), acceptance={0} source=0 dest: 2}, { cond=(AND p1 p0), acceptance={0} source=0 dest: 3}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}], [{ cond=(NOT p0), acceptance={} source=3 dest: 1}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=0, aps=[p1:(AND (EQ s621 1) (EQ s1034 1)), p0:(AND (EQ s1181 1) (EQ s1258 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 4 ms.
FORMULA RERS2020-PT-pb102-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS2020-PT-pb102-LTLFireability-04 finished in 47156 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(((X(p1)&&F(!p2))||X(G(p1)))))))'
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 206 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:55:39] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:55:39] [INFO ] Invariant cache hit.
[2023-03-17 20:55:47] [INFO ] Implicit Places using invariants in 7829 ms returned []
Implicit Place search using SMT only with invariants took 7830 ms to find 0 implicit places.
[2023-03-17 20:55:47] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:55:47] [INFO ] Invariant cache hit.
[2023-03-17 20:56:17] [INFO ] Performed 99349/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:56:24] [INFO ] Dead Transitions using invariants and state equation in 37583 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 45623 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 473 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND p2 (NOT p1)), (AND (NOT p0) (NOT p1)), (AND p2 (NOT p1) (NOT p0)), true, p2, (NOT p0), (AND p2 (NOT p0))]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 4}, { cond=p2, acceptance={} source=2 dest: 5}], [{ cond=(NOT p0), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p0) p2), acceptance={} source=3 dest: 5}, { cond=p0, acceptance={} source=3 dest: 6}, { cond=(AND p0 p2), acceptance={} source=3 dest: 7}], [{ cond=(NOT p1), acceptance={} source=4 dest: 8}], [{ cond=(AND p2 p1), acceptance={} source=5 dest: 5}, { cond=(AND p2 (NOT p1)), acceptance={} source=5 dest: 9}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=6 dest: 8}, { cond=(AND p0 (NOT p1)), acceptance={} source=6 dest: 10}], [{ cond=(AND (NOT p0) p2 p1), acceptance={} source=7 dest: 5}, { cond=(AND p0 p2 p1), acceptance={} source=7 dest: 7}, { cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=7 dest: 9}, { cond=(AND p0 p2 (NOT p1)), acceptance={} source=7 dest: 11}], [{ cond=true, acceptance={0} source=8 dest: 8}], [{ cond=p2, acceptance={0} source=9 dest: 9}], [{ cond=(NOT p0), acceptance={} source=10 dest: 8}, { cond=p0, acceptance={} source=10 dest: 10}], [{ cond=(AND (NOT p0) p2), acceptance={} source=11 dest: 9}, { cond=(AND p0 p2), acceptance={} source=11 dest: 11}]], initial=0, aps=[p0:(AND (EQ s319 1) (EQ s669 1)), p2:(AND (EQ s325 1) (EQ s1201 1)), p1:(AND (EQ s80 1) (EQ s779 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 3 ms.
FORMULA RERS2020-PT-pb102-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS2020-PT-pb102-LTLFireability-05 finished in 46288 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(F((p0&&G(p1))))))))'
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 162 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:56:25] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:56:25] [INFO ] Invariant cache hit.
[2023-03-17 20:56:33] [INFO ] Implicit Places using invariants in 7853 ms returned []
Implicit Place search using SMT only with invariants took 7854 ms to find 0 implicit places.
[2023-03-17 20:56:33] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:56:33] [INFO ] Invariant cache hit.
[2023-03-17 20:57:03] [INFO ] Performed 100341/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:57:10] [INFO ] Dead Transitions using invariants and state equation in 36730 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44750 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 222 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=4 dest: 4}, { cond=(AND p0 p1), acceptance={} source=4 dest: 5}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 4}, { cond=p1, acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(OR (EQ s486 0) (EQ s724 0)), p1:(OR (EQ s649 0) (EQ s751 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 5976 ms.
Product exploration explored 100000 steps with 1 reset in 8051 ms.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [(AND p0 p1), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 82 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 198 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 889 ms. (steps per millisecond=11 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 170 ms. (steps per millisecond=58 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 7164 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 7164 steps, saw 5345 distinct states, run finished after 3002 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 20:57:29] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:57:29] [INFO ] Invariant cache hit.
[2023-03-17 20:57:29] [INFO ] After 165ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 20:57:30] [INFO ] [Nat]Absence check using 7 positive place invariants in 11 ms returned sat
[2023-03-17 20:57:54] [INFO ] After 24796ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-17 20:57:55] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:57:55] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:57:55] [INFO ] After 25678ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 52 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 47 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 46 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 47 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4285 place count 1177 transition count 134713
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7818 place count 1102 transition count 131255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7819 place count 1101 transition count 131254
Applied a total of 7819 rules in 6803 ms. Remains 1101 /1267 variables (removed 166) and now considering 131254/122617 (removed -8637) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6806 ms. Remains : 1101/1267 places, 131254/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 870 ms. (steps per millisecond=11 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 132 ms. (steps per millisecond=75 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 147 ms. (steps per millisecond=68 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 8847 steps, run timeout after 3002 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8847 steps, saw 6671 distinct states, run finished after 3002 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 20:58:06] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
// Phase 1: matrix 104268 rows 1101 cols
[2023-03-17 20:58:07] [INFO ] Computed 7 place invariants in 490 ms
[2023-03-17 20:58:07] [INFO ] After 165ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 20:58:07] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2023-03-17 20:58:32] [INFO ] After 24824ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 20:58:33] [INFO ] State equation strengthened by 3605 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 20:58:33] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 20:58:33] [INFO ] After 25697ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 537 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 537 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 535 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
[2023-03-17 20:58:34] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 20:58:34] [INFO ] Invariant cache hit.
[2023-03-17 20:58:41] [INFO ] Implicit Places using invariants in 7431 ms returned []
Implicit Place search using SMT only with invariants took 7433 ms to find 0 implicit places.
[2023-03-17 20:58:41] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 20:58:41] [INFO ] Invariant cache hit.
[2023-03-17 20:59:11] [INFO ] Performed 102528/131254 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 20:59:19] [INFO ] Dead Transitions using invariants and state equation in 38079 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46059 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Knowledge obtained : [(AND p0 p1), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 114 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 261 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Stuttering acceptance computed with spot in 245 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 167 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 20:59:20] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 20:59:21] [INFO ] Computed 7 place invariants in 389 ms
[2023-03-17 20:59:29] [INFO ] Implicit Places using invariants in 8669 ms returned []
Implicit Place search using SMT only with invariants took 8671 ms to find 0 implicit places.
[2023-03-17 20:59:29] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 20:59:29] [INFO ] Invariant cache hit.
[2023-03-17 20:59:59] [INFO ] Performed 95794/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:00:08] [INFO ] Dead Transitions using invariants and state equation in 39000 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47842 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [(AND p0 p1), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 103 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 231 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 900 ms. (steps per millisecond=11 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 6869 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6869 steps, saw 5108 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 21:00:13] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:00:13] [INFO ] Invariant cache hit.
[2023-03-17 21:00:14] [INFO ] After 194ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 21:00:14] [INFO ] [Nat]Absence check using 7 positive place invariants in 12 ms returned sat
[2023-03-17 21:00:39] [INFO ] After 24764ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 21:00:39] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:00:39] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:00:39] [INFO ] After 25679ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 52 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 46 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 47 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 47 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4285 place count 1177 transition count 134713
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7818 place count 1102 transition count 131255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7819 place count 1101 transition count 131254
Applied a total of 7819 rules in 6695 ms. Remains 1101 /1267 variables (removed 166) and now considering 131254/122617 (removed -8637) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6698 ms. Remains : 1101/1267 places, 131254/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 853 ms. (steps per millisecond=11 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 138 ms. (steps per millisecond=72 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 183 ms. (steps per millisecond=54 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 8639 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8639 steps, saw 6524 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-17 21:00:50] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
// Phase 1: matrix 104268 rows 1101 cols
[2023-03-17 21:00:51] [INFO ] Computed 7 place invariants in 469 ms
[2023-03-17 21:00:51] [INFO ] After 166ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 21:00:51] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2023-03-17 21:01:16] [INFO ] After 24827ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-17 21:01:17] [INFO ] State equation strengthened by 3605 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:01:17] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:01:17] [INFO ] After 25709ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 1101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 538 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 538 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 545 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
[2023-03-17 21:01:18] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:01:18] [INFO ] Invariant cache hit.
[2023-03-17 21:01:26] [INFO ] Implicit Places using invariants in 8344 ms returned []
Implicit Place search using SMT only with invariants took 8345 ms to find 0 implicit places.
[2023-03-17 21:01:26] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:01:26] [INFO ] Invariant cache hit.
[2023-03-17 21:01:56] [INFO ] Performed 94131/131254 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:02:08] [INFO ] Dead Transitions using invariants and state equation in 41549 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50456 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Knowledge obtained : [(AND p0 p1), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 107 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 231 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Stuttering acceptance computed with spot in 229 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Stuttering acceptance computed with spot in 255 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 5668 ms.
Product exploration explored 100000 steps with 2 reset in 7292 ms.
Applying partial POR strategy [false, false, false, false, true, true]
Stuttering acceptance computed with spot in 228 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1267 transition count 122617
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 1267 transition count 122616
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 42 places in 47 ms
Iterating global reduction 2 with 40 rules applied. Total rules applied 43 place count 1267 transition count 122623
Ensure Unique test removed 1982 transitions
Reduce isomorphic transitions removed 1982 transitions.
Iterating post reduction 2 with 1982 rules applied. Total rules applied 2025 place count 1267 transition count 120641
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 44 places in 47 ms
Iterating global reduction 3 with 2 rules applied. Total rules applied 2027 place count 1267 transition count 120641
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2028 place count 1267 transition count 120640
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2030 place count 1265 transition count 120638
Deduced a syphon composed of 42 places in 47 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 2032 place count 1265 transition count 120638
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 47 places in 47 ms
Iterating global reduction 4 with 5 rules applied. Total rules applied 2037 place count 1265 transition count 120652
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 2042 place count 1265 transition count 120647
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 2043 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 48 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 2044 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 47 ms
Applied a total of 2044 rules in 2889 ms. Remains 1264 /1267 variables (removed 3) and now considering 120644/122617 (removed 1973) transitions.
[2023-03-17 21:02:25] [INFO ] Flow matrix only has 92428 transitions (discarded 28216 similar events)
// Phase 1: matrix 92428 rows 1264 cols
[2023-03-17 21:02:25] [INFO ] Computed 7 place invariants in 435 ms
[2023-03-17 21:02:55] [INFO ] Performed 94335/120644 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:03:04] [INFO ] Dead Transitions using invariants and state equation in 38813 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1264/1267 places, 120644/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 41705 ms. Remains : 1264/1267 places, 120644/122617 transitions.
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 170 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:03:04] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:03:04] [INFO ] Computed 7 place invariants in 399 ms
[2023-03-17 21:03:12] [INFO ] Implicit Places using invariants in 8480 ms returned []
Implicit Place search using SMT only with invariants took 8481 ms to find 0 implicit places.
[2023-03-17 21:03:13] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:03:13] [INFO ] Invariant cache hit.
[2023-03-17 21:03:43] [INFO ] Performed 97106/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:03:51] [INFO ] Dead Transitions using invariants and state equation in 38040 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 46695 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Treatment of property RERS2020-PT-pb102-LTLFireability-06 finished in 450193 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1266 transition count 122614
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 1264 transition count 122613
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 1264 transition count 122611
Deduced a syphon composed of 2 places in 53 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 9 place count 1262 transition count 122611
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 47 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 85 place count 1224 transition count 122573
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 2066 place count 1224 transition count 120592
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 46 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 2070 place count 1222 transition count 120590
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2071 place count 1222 transition count 120589
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 46 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 2081 place count 1217 transition count 120590
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 2085 place count 1217 transition count 120586
Applied a total of 2085 rules in 3141 ms. Remains 1217 /1267 variables (removed 50) and now considering 120586/122617 (removed 2031) transitions.
[2023-03-17 21:03:58] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
// Phase 1: matrix 92370 rows 1217 cols
[2023-03-17 21:03:59] [INFO ] Computed 7 place invariants in 356 ms
[2023-03-17 21:04:06] [INFO ] Implicit Places using invariants in 7843 ms returned []
Implicit Place search using SMT only with invariants took 7846 ms to find 0 implicit places.
[2023-03-17 21:04:06] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
[2023-03-17 21:04:06] [INFO ] Invariant cache hit.
[2023-03-17 21:04:36] [INFO ] Performed 97840/120586 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:04:43] [INFO ] Dead Transitions using invariants and state equation in 37413 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1217/1267 places, 120586/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 48407 ms. Remains : 1217/1267 places, 120586/122617 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (EQ s1046 1) (EQ s1095 1)) (AND (EQ s678 1) (EQ s1043 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 69 steps with 0 reset in 9 ms.
FORMULA RERS2020-PT-pb102-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS2020-PT-pb102-LTLFireability-07 finished in 48627 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X((X(X(X(X(!p1)))) U ((X(X(X(X(!p1))))&&p2)||X(X(X(X(G(!p1))))))))))'
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 160 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:04:44] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:04:44] [INFO ] Computed 7 place invariants in 427 ms
[2023-03-17 21:04:52] [INFO ] Implicit Places using invariants in 8187 ms returned []
Implicit Place search using SMT only with invariants took 8190 ms to find 0 implicit places.
[2023-03-17 21:04:52] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:04:52] [INFO ] Invariant cache hit.
[2023-03-17 21:05:22] [INFO ] Performed 94545/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:05:31] [INFO ] Dead Transitions using invariants and state equation in 39313 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 47667 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 315 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 4}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 5}], [{ cond=(NOT p0), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p0:(AND (EQ s348 1) (EQ s634 1)), p2:(AND (EQ s486 1) (EQ s824 1)), p1:(AND (EQ s457 1) (EQ s593 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 14292 reset in 6076 ms.
Product exploration explored 100000 steps with 14282 reset in 5980 ms.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 278 ms. Reduced automaton from 7 states, 9 edges and 3 AP (stutter sensitive) to 7 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 275 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 931 ms. (steps per millisecond=10 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 117 ms. (steps per millisecond=85 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 117 ms. (steps per millisecond=85 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 8813 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8813 steps, saw 6564 distinct states, run finished after 3005 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-17 21:05:50] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:05:50] [INFO ] Invariant cache hit.
[2023-03-17 21:05:50] [INFO ] [Real]Absence check using 7 positive place invariants in 12 ms returned sat
[2023-03-17 21:06:15] [INFO ] After 24784ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:2
[2023-03-17 21:06:15] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:06:15] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:06:15] [INFO ] After 25890ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 63 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 56 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 55 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 56 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4285 place count 1177 transition count 134713
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7818 place count 1102 transition count 131255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7819 place count 1101 transition count 131254
Applied a total of 7819 rules in 7789 ms. Remains 1101 /1267 variables (removed 166) and now considering 131254/122617 (removed -8637) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7795 ms. Remains : 1101/1267 places, 131254/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 977 ms. (steps per millisecond=10 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 8448 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8448 steps, saw 6408 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-17 21:06:28] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
// Phase 1: matrix 104268 rows 1101 cols
[2023-03-17 21:06:28] [INFO ] Computed 7 place invariants in 476 ms
[2023-03-17 21:06:29] [INFO ] [Real]Absence check using 7 positive place invariants in 10 ms returned sat
[2023-03-17 21:06:53] [INFO ] After 24816ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-17 21:06:55] [INFO ] State equation strengthened by 3605 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:06:55] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:06:55] [INFO ] After 26181ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 775 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 776 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 608 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
[2023-03-17 21:06:56] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:06:56] [INFO ] Invariant cache hit.
[2023-03-17 21:07:04] [INFO ] Implicit Places using invariants in 7953 ms returned []
Implicit Place search using SMT only with invariants took 7959 ms to find 0 implicit places.
[2023-03-17 21:07:04] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:07:04] [INFO ] Invariant cache hit.
[2023-03-17 21:07:34] [INFO ] Performed 95806/131254 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:07:44] [INFO ] Dead Transitions using invariants and state equation in 39945 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48523 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 342 ms. Reduced automaton from 7 states, 9 edges and 3 AP (stutter sensitive) to 7 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Stuttering acceptance computed with spot in 239 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 162 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:07:45] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:07:45] [INFO ] Computed 7 place invariants in 383 ms
[2023-03-17 21:07:53] [INFO ] Implicit Places using invariants in 7995 ms returned []
Implicit Place search using SMT only with invariants took 7996 ms to find 0 implicit places.
[2023-03-17 21:07:53] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:07:53] [INFO ] Invariant cache hit.
[2023-03-17 21:08:23] [INFO ] Performed 100939/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:08:30] [INFO ] Dead Transitions using invariants and state equation in 36561 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44722 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p1) (NOT p2) (NOT p0))), (X (NOT (AND p1 (NOT p2) (NOT p0)))), (X (NOT p0)), (X (X (AND (NOT p1) (NOT p2) (NOT p0)))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 310 ms. Reduced automaton from 7 states, 9 edges and 3 AP (stutter sensitive) to 7 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 241 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 952 ms. (steps per millisecond=10 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 127 ms. (steps per millisecond=78 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 132 ms. (steps per millisecond=75 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 136 ms. (steps per millisecond=73 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 6950 steps, run timeout after 3004 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6950 steps, saw 5172 distinct states, run finished after 3006 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-17 21:08:35] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:08:35] [INFO ] Invariant cache hit.
[2023-03-17 21:08:36] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2023-03-17 21:09:00] [INFO ] After 24787ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:2
[2023-03-17 21:09:01] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:09:01] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:09:01] [INFO ] After 25674ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 53 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 47 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 48 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 48 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4285 place count 1177 transition count 134713
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7818 place count 1102 transition count 131255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7819 place count 1101 transition count 131254
Applied a total of 7819 rules in 7146 ms. Remains 1101 /1267 variables (removed 166) and now considering 131254/122617 (removed -8637) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7150 ms. Remains : 1101/1267 places, 131254/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 981 ms. (steps per millisecond=10 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 132 ms. (steps per millisecond=75 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 135 ms. (steps per millisecond=74 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 7801 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 7801 steps, saw 5972 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-17 21:09:13] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
// Phase 1: matrix 104268 rows 1101 cols
[2023-03-17 21:09:13] [INFO ] Computed 7 place invariants in 458 ms
[2023-03-17 21:09:14] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned sat
[2023-03-17 21:09:38] [INFO ] After 24825ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-17 21:09:40] [INFO ] State equation strengthened by 3605 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:09:40] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:09:40] [INFO ] After 26229ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 1101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 549 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 549 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 760 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
[2023-03-17 21:09:41] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:09:41] [INFO ] Invariant cache hit.
[2023-03-17 21:09:49] [INFO ] Implicit Places using invariants in 8029 ms returned []
Implicit Place search using SMT only with invariants took 8030 ms to find 0 implicit places.
[2023-03-17 21:09:49] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:09:49] [INFO ] Invariant cache hit.
[2023-03-17 21:10:19] [INFO ] Performed 104517/131254 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:10:26] [INFO ] Dead Transitions using invariants and state equation in 37329 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46134 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p1) (NOT p2) (NOT p0))), (X (NOT (AND p1 (NOT p2) (NOT p0)))), (X (NOT p0)), (X (X (AND (NOT p1) (NOT p2) (NOT p0)))), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 306 ms. Reduced automaton from 7 states, 9 edges and 3 AP (stutter sensitive) to 7 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 281 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Stuttering acceptance computed with spot in 263 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Stuttering acceptance computed with spot in 244 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Product exploration explored 100000 steps with 14309 reset in 5881 ms.
Product exploration explored 100000 steps with 14274 reset in 5999 ms.
Applying partial POR strategy [false, false, false, false, false, true, true]
Stuttering acceptance computed with spot in 251 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (NOT p0)]
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1267 transition count 122617
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 1267 transition count 122616
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 42 places in 49 ms
Iterating global reduction 2 with 40 rules applied. Total rules applied 43 place count 1267 transition count 122623
Ensure Unique test removed 1982 transitions
Reduce isomorphic transitions removed 1982 transitions.
Iterating post reduction 2 with 1982 rules applied. Total rules applied 2025 place count 1267 transition count 120641
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 44 places in 49 ms
Iterating global reduction 3 with 2 rules applied. Total rules applied 2027 place count 1267 transition count 120641
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2028 place count 1267 transition count 120640
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2030 place count 1265 transition count 120638
Deduced a syphon composed of 42 places in 49 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 2032 place count 1265 transition count 120638
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 47 places in 48 ms
Iterating global reduction 4 with 5 rules applied. Total rules applied 2037 place count 1265 transition count 120652
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 2042 place count 1265 transition count 120647
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 2043 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 48 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 2044 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 53 ms
Applied a total of 2044 rules in 3017 ms. Remains 1264 /1267 variables (removed 3) and now considering 120644/122617 (removed 1973) transitions.
[2023-03-17 21:10:43] [INFO ] Flow matrix only has 92428 transitions (discarded 28216 similar events)
// Phase 1: matrix 92428 rows 1264 cols
[2023-03-17 21:10:43] [INFO ] Computed 7 place invariants in 383 ms
[2023-03-17 21:11:13] [INFO ] Performed 99642/120644 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:11:20] [INFO ] Dead Transitions using invariants and state equation in 37159 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1264/1267 places, 120644/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 40181 ms. Remains : 1264/1267 places, 120644/122617 transitions.
Support contains 6 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 173 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:11:20] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:11:21] [INFO ] Computed 7 place invariants in 408 ms
[2023-03-17 21:11:29] [INFO ] Implicit Places using invariants in 8263 ms returned []
Implicit Place search using SMT only with invariants took 8264 ms to find 0 implicit places.
[2023-03-17 21:11:29] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:11:29] [INFO ] Invariant cache hit.
[2023-03-17 21:11:59] [INFO ] Performed 99691/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:12:06] [INFO ] Dead Transitions using invariants and state equation in 36993 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 45436 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Treatment of property RERS2020-PT-pb102-LTLFireability-08 finished in 446194 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 179 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:12:10] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:12:10] [INFO ] Invariant cache hit.
[2023-03-17 21:12:18] [INFO ] Implicit Places using invariants in 7991 ms returned []
Implicit Place search using SMT only with invariants took 7992 ms to find 0 implicit places.
[2023-03-17 21:12:18] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:12:18] [INFO ] Invariant cache hit.
[2023-03-17 21:12:48] [INFO ] Performed 99915/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:12:55] [INFO ] Dead Transitions using invariants and state equation in 37125 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 45300 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 89 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (EQ s334 0) (EQ s974 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 0 reset in 5682 ms.
Product exploration explored 100000 steps with 0 reset in 6755 ms.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 155 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 67 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 737 ms. (steps per millisecond=13 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 8786 steps, run timeout after 3002 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8786 steps, saw 6544 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 21:13:13] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:13:13] [INFO ] Invariant cache hit.
[2023-03-17 21:13:13] [INFO ] After 124ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 21:13:13] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2023-03-17 21:13:37] [INFO ] After 24333ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 21:13:39] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:13:39] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:13:39] [INFO ] After 25839ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 244 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 57 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 87 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 47 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4285 place count 1177 transition count 134713
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7818 place count 1102 transition count 131255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7819 place count 1101 transition count 131254
Applied a total of 7819 rules in 8191 ms. Remains 1101 /1267 variables (removed 166) and now considering 131254/122617 (removed -8637) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8194 ms. Remains : 1101/1267 places, 131254/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1085 ms. (steps per millisecond=9 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 121 ms. (steps per millisecond=82 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 6530 steps, run timeout after 3004 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6530 steps, saw 5099 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 21:13:51] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
// Phase 1: matrix 104268 rows 1101 cols
[2023-03-17 21:13:52] [INFO ] Computed 7 place invariants in 544 ms
[2023-03-17 21:13:52] [INFO ] After 115ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 21:13:52] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2023-03-17 21:14:17] [INFO ] After 25016ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 662 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 662 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 573 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
[2023-03-17 21:14:18] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:14:18] [INFO ] Invariant cache hit.
[2023-03-17 21:14:26] [INFO ] Implicit Places using invariants in 8129 ms returned []
Implicit Place search using SMT only with invariants took 8134 ms to find 0 implicit places.
[2023-03-17 21:14:26] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:14:26] [INFO ] Invariant cache hit.
[2023-03-17 21:14:56] [INFO ] Performed 100910/131254 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:15:05] [INFO ] Dead Transitions using invariants and state equation in 38766 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47482 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 147 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 68 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 161 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:15:06] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:15:06] [INFO ] Computed 7 place invariants in 351 ms
[2023-03-17 21:15:14] [INFO ] Implicit Places using invariants in 7936 ms returned []
Implicit Place search using SMT only with invariants took 7946 ms to find 0 implicit places.
[2023-03-17 21:15:14] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:15:14] [INFO ] Invariant cache hit.
[2023-03-17 21:15:44] [INFO ] Performed 98837/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:15:51] [INFO ] Dead Transitions using invariants and state equation in 37282 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 45392 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 144 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 73 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 3 resets, run finished after 963 ms. (steps per millisecond=10 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 8469 steps, run timeout after 3004 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 8469 steps, saw 6291 distinct states, run finished after 3004 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 21:15:56] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:15:56] [INFO ] Invariant cache hit.
[2023-03-17 21:15:56] [INFO ] After 126ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 21:15:56] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2023-03-17 21:16:21] [INFO ] After 24694ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 21:16:22] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:16:22] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:16:22] [INFO ] After 26179ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 53 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 171 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 47 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 55 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4285 place count 1177 transition count 134713
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7818 place count 1102 transition count 131255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7819 place count 1101 transition count 131254
Applied a total of 7819 rules in 7815 ms. Remains 1101 /1267 variables (removed 166) and now considering 131254/122617 (removed -8637) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7819 ms. Remains : 1101/1267 places, 131254/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 894 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 140 ms. (steps per millisecond=71 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 6680 steps, run timeout after 3002 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6680 steps, saw 5201 distinct states, run finished after 3002 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 21:16:34] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
// Phase 1: matrix 104268 rows 1101 cols
[2023-03-17 21:16:35] [INFO ] Computed 7 place invariants in 515 ms
[2023-03-17 21:16:35] [INFO ] After 113ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 21:16:35] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2023-03-17 21:17:00] [INFO ] After 25021ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 552 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 552 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 573 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
[2023-03-17 21:17:01] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:17:01] [INFO ] Invariant cache hit.
[2023-03-17 21:17:09] [INFO ] Implicit Places using invariants in 7775 ms returned []
Implicit Place search using SMT only with invariants took 7776 ms to find 0 implicit places.
[2023-03-17 21:17:09] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:17:09] [INFO ] Invariant cache hit.
[2023-03-17 21:17:39] [INFO ] Performed 101736/131254 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:17:47] [INFO ] Dead Transitions using invariants and state equation in 38327 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46688 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 148 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 73 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 81 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 74 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 6295 ms.
Product exploration explored 100000 steps with 0 reset in 7717 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 75 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1267 transition count 122617
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 1267 transition count 122616
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 42 places in 47 ms
Iterating global reduction 2 with 40 rules applied. Total rules applied 43 place count 1267 transition count 122623
Ensure Unique test removed 1982 transitions
Reduce isomorphic transitions removed 1982 transitions.
Iterating post reduction 2 with 1982 rules applied. Total rules applied 2025 place count 1267 transition count 120641
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 44 places in 46 ms
Iterating global reduction 3 with 2 rules applied. Total rules applied 2027 place count 1267 transition count 120641
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2028 place count 1267 transition count 120640
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2030 place count 1265 transition count 120638
Deduced a syphon composed of 42 places in 46 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 2032 place count 1265 transition count 120638
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 47 places in 46 ms
Iterating global reduction 4 with 5 rules applied. Total rules applied 2037 place count 1265 transition count 120652
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 2042 place count 1265 transition count 120647
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 2043 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 46 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 2044 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 46 ms
Applied a total of 2044 rules in 2811 ms. Remains 1264 /1267 variables (removed 3) and now considering 120644/122617 (removed 1973) transitions.
[2023-03-17 21:18:05] [INFO ] Flow matrix only has 92428 transitions (discarded 28216 similar events)
// Phase 1: matrix 92428 rows 1264 cols
[2023-03-17 21:18:05] [INFO ] Computed 7 place invariants in 351 ms
[2023-03-17 21:18:35] [INFO ] Performed 99744/120644 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:18:41] [INFO ] Dead Transitions using invariants and state equation in 36657 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1264/1267 places, 120644/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 39472 ms. Remains : 1264/1267 places, 120644/122617 transitions.
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 186 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:18:42] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:18:42] [INFO ] Computed 7 place invariants in 356 ms
[2023-03-17 21:18:50] [INFO ] Implicit Places using invariants in 7895 ms returned []
Implicit Place search using SMT only with invariants took 7896 ms to find 0 implicit places.
[2023-03-17 21:18:50] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:18:50] [INFO ] Invariant cache hit.
[2023-03-17 21:19:20] [INFO ] Performed 100327/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:19:27] [INFO ] Dead Transitions using invariants and state equation in 36893 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 44979 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Treatment of property RERS2020-PT-pb102-LTLFireability-09 finished in 441417 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 201 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:19:32] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:19:32] [INFO ] Invariant cache hit.
[2023-03-17 21:19:40] [INFO ] Implicit Places using invariants in 8031 ms returned []
Implicit Place search using SMT only with invariants took 8032 ms to find 0 implicit places.
[2023-03-17 21:19:40] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:19:40] [INFO ] Invariant cache hit.
[2023-03-17 21:20:10] [INFO ] Performed 97930/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:20:17] [INFO ] Dead Transitions using invariants and state equation in 37754 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 45991 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Stuttering acceptance computed with spot in 75 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (EQ s652 0) (EQ s1051 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 0 reset in 6201 ms.
Product exploration explored 100000 steps with 0 reset in 7745 ms.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 154 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 86 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 861 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 6986 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6986 steps, saw 5196 distinct states, run finished after 3003 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 21:20:36] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:20:36] [INFO ] Invariant cache hit.
[2023-03-17 21:20:37] [INFO ] After 127ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 21:20:37] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2023-03-17 21:21:01] [INFO ] After 24549ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 21:21:02] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:21:02] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:21:02] [INFO ] After 25891ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 63 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 53 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 64 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 53 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4285 place count 1177 transition count 134713
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7818 place count 1102 transition count 131255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7819 place count 1101 transition count 131254
Applied a total of 7819 rules in 9464 ms. Remains 1101 /1267 variables (removed 166) and now considering 131254/122617 (removed -8637) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9467 ms. Remains : 1101/1267 places, 131254/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 964 ms. (steps per millisecond=10 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 175 ms. (steps per millisecond=57 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 6191 steps, run timeout after 3005 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 6191 steps, saw 4867 distinct states, run finished after 3005 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 21:21:16] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
// Phase 1: matrix 104268 rows 1101 cols
[2023-03-17 21:21:17] [INFO ] Computed 7 place invariants in 479 ms
[2023-03-17 21:21:17] [INFO ] After 111ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 21:21:17] [INFO ] [Nat]Absence check using 7 positive place invariants in 11 ms returned sat
[2023-03-17 21:21:42] [INFO ] After 25015ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 594 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 596 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 623 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
[2023-03-17 21:21:43] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:21:43] [INFO ] Invariant cache hit.
[2023-03-17 21:21:51] [INFO ] Implicit Places using invariants in 7715 ms returned []
Implicit Place search using SMT only with invariants took 7717 ms to find 0 implicit places.
[2023-03-17 21:21:51] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:21:51] [INFO ] Invariant cache hit.
[2023-03-17 21:22:21] [INFO ] Performed 102619/131254 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:22:29] [INFO ] Dead Transitions using invariants and state equation in 38388 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46739 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 149 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 84 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 89 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 167 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:22:30] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:22:30] [INFO ] Computed 7 place invariants in 379 ms
[2023-03-17 21:22:38] [INFO ] Implicit Places using invariants in 7978 ms returned []
Implicit Place search using SMT only with invariants took 7978 ms to find 0 implicit places.
[2023-03-17 21:22:38] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:22:38] [INFO ] Invariant cache hit.
[2023-03-17 21:23:08] [INFO ] Performed 98507/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:23:15] [INFO ] Dead Transitions using invariants and state equation in 37477 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 45624 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Computed a total of 245 stabilizing places and 27913 stable transitions
Computed a total of 245 stabilizing places and 27913 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 143 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 67 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 907 ms. (steps per millisecond=11 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 5636 steps, run timeout after 3003 ms. (steps per millisecond=1 ) properties seen :{}
Probabilistic random walk after 5636 steps, saw 4175 distinct states, run finished after 3003 ms. (steps per millisecond=1 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 21:23:20] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:23:20] [INFO ] Invariant cache hit.
[2023-03-17 21:23:21] [INFO ] After 121ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 21:23:21] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned sat
[2023-03-17 21:23:46] [INFO ] After 25087ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 21:23:47] [INFO ] State equation strengthened by 3015 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 21:23:47] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 21:23:47] [INFO ] After 26566ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Drop transitions removed 2004 transitions
Reduce isomorphic transitions removed 2004 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2006 rules applied. Total rules applied 2006 place count 1267 transition count 120611
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 2009 place count 1265 transition count 120610
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2009 place count 1265 transition count 120608
Deduced a syphon composed of 2 places in 68 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 2013 place count 1263 transition count 120608
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 59 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 2089 place count 1225 transition count 120570
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 4070 place count 1225 transition count 118589
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 68 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 4074 place count 1223 transition count 118587
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 4077 place count 1223 transition count 118584
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 69 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 4087 place count 1218 transition count 118585
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4091 place count 1218 transition count 118581
Free-agglomeration rule applied 39 times.
Iterating global reduction 5 with 39 rules applied. Total rules applied 4130 place count 1218 transition count 118542
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 5 with 75 rules applied. Total rules applied 4205 place count 1179 transition count 118506
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 4206 place count 1179 transition count 118505
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 4208 place count 1178 transition count 118504
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 4209 place count 1178 transition count 118503
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 4210 place count 1177 transition count 118503
Free-agglomeration rule (complex) applied 75 times with reduction of 4414 identical transitions.
Iterating global reduction 8 with 75 rules applied. Total rules applied 4285 place count 1177 transition count 134713
Reduce places removed 75 places and 0 transitions.
Drop transitions removed 48 transitions
Ensure Unique test removed 3410 transitions
Reduce isomorphic transitions removed 3458 transitions.
Iterating post reduction 8 with 3533 rules applied. Total rules applied 7818 place count 1102 transition count 131255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 7819 place count 1101 transition count 131254
Applied a total of 7819 rules in 8723 ms. Remains 1101 /1267 variables (removed 166) and now considering 131254/122617 (removed -8637) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8727 ms. Remains : 1101/1267 places, 131254/122617 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 940 ms. (steps per millisecond=10 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 141 ms. (steps per millisecond=70 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 7728 steps, run timeout after 3003 ms. (steps per millisecond=2 ) properties seen :{}
Probabilistic random walk after 7728 steps, saw 5940 distinct states, run finished after 3003 ms. (steps per millisecond=2 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-17 21:24:00] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
// Phase 1: matrix 104268 rows 1101 cols
[2023-03-17 21:24:01] [INFO ] Computed 7 place invariants in 470 ms
[2023-03-17 21:24:01] [INFO ] After 109ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 21:24:01] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2023-03-17 21:24:26] [INFO ] After 25020ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 1101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 599 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 599 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1101/1101 places, 131254/131254 transitions.
Applied a total of 0 rules in 552 ms. Remains 1101 /1101 variables (removed 0) and now considering 131254/131254 (removed 0) transitions.
[2023-03-17 21:24:27] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:24:27] [INFO ] Invariant cache hit.
[2023-03-17 21:24:35] [INFO ] Implicit Places using invariants in 7846 ms returned []
Implicit Place search using SMT only with invariants took 7847 ms to find 0 implicit places.
[2023-03-17 21:24:35] [INFO ] Flow matrix only has 104268 transitions (discarded 26986 similar events)
[2023-03-17 21:24:35] [INFO ] Invariant cache hit.
[2023-03-17 21:25:05] [INFO ] Performed 102883/131254 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:25:13] [INFO ] Dead Transitions using invariants and state equation in 37826 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46235 ms. Remains : 1101/1101 places, 131254/131254 transitions.
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 147 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 81 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 74 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 73 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 8495 ms.
Product exploration explored 100000 steps with 0 reset in 7834 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 84 ms :[true, (NOT p0), (NOT p0)]
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1267 transition count 122617
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 1267 transition count 122616
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 42 places in 48 ms
Iterating global reduction 2 with 40 rules applied. Total rules applied 43 place count 1267 transition count 122623
Ensure Unique test removed 1982 transitions
Reduce isomorphic transitions removed 1982 transitions.
Iterating post reduction 2 with 1982 rules applied. Total rules applied 2025 place count 1267 transition count 120641
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 44 places in 48 ms
Iterating global reduction 3 with 2 rules applied. Total rules applied 2027 place count 1267 transition count 120641
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2028 place count 1267 transition count 120640
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2030 place count 1265 transition count 120638
Deduced a syphon composed of 42 places in 48 ms
Iterating global reduction 4 with 2 rules applied. Total rules applied 2032 place count 1265 transition count 120638
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 47 places in 48 ms
Iterating global reduction 4 with 5 rules applied. Total rules applied 2037 place count 1265 transition count 120652
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 2042 place count 1265 transition count 120647
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 2043 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 48 ms
Iterating global reduction 5 with 1 rules applied. Total rules applied 2044 place count 1264 transition count 120644
Deduced a syphon composed of 46 places in 47 ms
Applied a total of 2044 rules in 3137 ms. Remains 1264 /1267 variables (removed 3) and now considering 120644/122617 (removed 1973) transitions.
[2023-03-17 21:25:33] [INFO ] Flow matrix only has 92428 transitions (discarded 28216 similar events)
// Phase 1: matrix 92428 rows 1264 cols
[2023-03-17 21:25:33] [INFO ] Computed 7 place invariants in 383 ms
[2023-03-17 21:26:03] [INFO ] Performed 99025/120644 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:26:10] [INFO ] Dead Transitions using invariants and state equation in 37294 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1264/1267 places, 120644/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 40435 ms. Remains : 1264/1267 places, 120644/122617 transitions.
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 163 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:26:10] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:26:11] [INFO ] Computed 7 place invariants in 341 ms
[2023-03-17 21:26:18] [INFO ] Implicit Places using invariants in 8012 ms returned []
Implicit Place search using SMT only with invariants took 8012 ms to find 0 implicit places.
[2023-03-17 21:26:18] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:26:18] [INFO ] Invariant cache hit.
[2023-03-17 21:26:49] [INFO ] Performed 99046/122617 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:26:56] [INFO ] Dead Transitions using invariants and state equation in 37468 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 45646 ms. Remains : 1267/1267 places, 122617/122617 transitions.
Treatment of property RERS2020-PT-pb102-LTLFireability-10 finished in 448925 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 1267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1266 transition count 122614
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 1264 transition count 122613
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 5 place count 1264 transition count 122611
Deduced a syphon composed of 2 places in 61 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 9 place count 1262 transition count 122611
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 57 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 85 place count 1224 transition count 122573
Ensure Unique test removed 1981 transitions
Reduce isomorphic transitions removed 1981 transitions.
Iterating post reduction 2 with 1981 rules applied. Total rules applied 2066 place count 1224 transition count 120592
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 46 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 2070 place count 1222 transition count 120590
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2071 place count 1222 transition count 120589
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 5 places in 46 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 2081 place count 1217 transition count 120590
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 2085 place count 1217 transition count 120586
Applied a total of 2085 rules in 3116 ms. Remains 1217 /1267 variables (removed 50) and now considering 120586/122617 (removed 2031) transitions.
[2023-03-17 21:27:03] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
// Phase 1: matrix 92370 rows 1217 cols
[2023-03-17 21:27:04] [INFO ] Computed 7 place invariants in 326 ms
[2023-03-17 21:27:11] [INFO ] Implicit Places using invariants in 7935 ms returned []
Implicit Place search using SMT only with invariants took 7939 ms to find 0 implicit places.
[2023-03-17 21:27:11] [INFO ] Flow matrix only has 92370 transitions (discarded 28216 similar events)
[2023-03-17 21:27:11] [INFO ] Invariant cache hit.
[2023-03-17 21:27:41] [INFO ] Performed 99743/120586 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2023-03-17 21:27:48] [INFO ] Dead Transitions using invariants and state equation in 36527 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 1217/1267 places, 120586/122617 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 47593 ms. Remains : 1217/1267 places, 120586/122617 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : RERS2020-PT-pb102-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s546 1) (EQ s671 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 77 steps with 0 reset in 12 ms.
FORMULA RERS2020-PT-pb102-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS2020-PT-pb102-LTLFireability-11 finished in 47914 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(F(p1))))'
Support contains 4 out of 1267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1267/1267 places, 122617/122617 transitions.
Applied a total of 0 rules in 184 ms. Remains 1267 /1267 variables (removed 0) and now considering 122617/122617 (removed 0) transitions.
[2023-03-17 21:27:48] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
// Phase 1: matrix 94416 rows 1267 cols
[2023-03-17 21:27:49] [INFO ] Computed 7 place invariants in 417 ms
[2023-03-17 21:27:56] [INFO ] Implicit Places using invariants in 8156 ms returned []
Implicit Place search using SMT only with invariants took 8159 ms to find 0 implicit places.
[2023-03-17 21:27:56] [INFO ] Flow matrix only has 94416 transitions (discarded 28201 similar events)
[2023-03-17 21:27:56] [INFO ] Invariant cache hit.
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 11841748 kB
After kill :
MemTotal: 16393216 kB
MemFree: 15999092 kB

BK_TIME_CONFINEMENT_REACHED

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

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="RERS2020-PT-pb102"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is RERS2020-PT-pb102, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r329-tall-167889201800228"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS2020-PT-pb102.tgz
mv RERS2020-PT-pb102 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;