About the Execution of LTSMin+red for Szymanski-PT-b02
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 2028.920 | 321454.00 | 375111.00 | 1040.70 | TT?FFTTTFTFTFTFF | normal |
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.r489-tall-167912706800451.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 Szymanski-PT-b02, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912706800451
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 7.6K Feb 26 16:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 16:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 16:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 16:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 16:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Feb 26 16:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 26 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M 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 Szymanski-PT-b02-LTLCardinality-00
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-01
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-02
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-03
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-04
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-05
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-06
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-07
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-08
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-09
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-10
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-11
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-12
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-13
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-14
FORMULA_NAME Szymanski-PT-b02-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679246401952
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=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b02
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-19 17:20:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-19 17:20:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 17:20:03] [INFO ] Load time of PNML (sax parser for PT used): 325 ms
[2023-03-19 17:20:03] [INFO ] Transformed 568 places.
[2023-03-19 17:20:03] [INFO ] Transformed 8320 transitions.
[2023-03-19 17:20:03] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 466 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Deduced a syphon composed of 260 places in 19 ms
Reduce places removed 260 places and 256 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA Szymanski-PT-b02-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b02-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 15 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 8064
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 305 transition count 7936
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 305 transition count 7936
Applied a total of 4 rules in 221 ms. Remains 305 /308 variables (removed 3) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 17:20:04] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 17:20:04] [INFO ] Computed 1 place invariants in 62 ms
[2023-03-19 17:20:05] [INFO ] Implicit Places using invariants in 675 ms returned []
[2023-03-19 17:20:05] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:20:05] [INFO ] Invariant cache hit.
[2023-03-19 17:20:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:20:12] [INFO ] Implicit Places using invariants and state equation in 7276 ms returned []
Implicit Place search using SMT with State Equation took 7979 ms to find 0 implicit places.
[2023-03-19 17:20:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:20:12] [INFO ] Invariant cache hit.
[2023-03-19 17:20:14] [INFO ] Dead Transitions using invariants and state equation in 2124 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/308 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10331 ms. Remains : 305/308 places, 7936/8064 transitions.
Support contains 15 out of 305 places after structural reductions.
[2023-03-19 17:20:15] [INFO ] Flatten gal took : 471 ms
[2023-03-19 17:20:15] [INFO ] Flatten gal took : 264 ms
[2023-03-19 17:20:15] [INFO ] Input system was already deterministic with 7936 transitions.
Support contains 13 out of 305 places (down from 15) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 427 ms. (steps per millisecond=23 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-19 17:20:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:20:17] [INFO ] Invariant cache hit.
[2023-03-19 17:20:17] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 17:20:17] [INFO ] After 140ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-19 17:20:17] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 17:20:21] [INFO ] After 3912ms SMT Verify possible using state equation in natural domain returned unsat :3 sat :5
[2023-03-19 17:20:21] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:20:42] [INFO ] After 20941ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :3 sat :3
[2023-03-19 17:20:42] [INFO ] After 20947ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :3
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-19 17:20:42] [INFO ] After 25020ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :3
Fused 8 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 44 ms.
Support contains 7 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 412 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 415 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 167 ms. (steps per millisecond=59 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 122797 steps, run timeout after 3001 ms. (steps per millisecond=40 ) properties seen :{}
Probabilistic random walk after 122797 steps, saw 43055 distinct states, run finished after 3002 ms. (steps per millisecond=40 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-19 17:20:46] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 17:20:46] [INFO ] Computed 1 place invariants in 25 ms
[2023-03-19 17:20:46] [INFO ] After 85ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-19 17:20:46] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 7 ms returned sat
[2023-03-19 17:20:49] [INFO ] After 2630ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-19 17:20:49] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:21:11] [INFO ] After 22264ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-19 17:21:11] [INFO ] After 22266ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-19 17:21:11] [INFO ] After 25015ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 36 ms.
Support contains 7 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 215 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 216 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 314 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 17:21:11] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 17:21:11] [INFO ] Invariant cache hit.
[2023-03-19 17:21:12] [INFO ] Implicit Places using invariants in 525 ms returned []
[2023-03-19 17:21:12] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 17:21:12] [INFO ] Invariant cache hit.
[2023-03-19 17:21:12] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:21:20] [INFO ] Implicit Places using invariants and state equation in 8343 ms returned []
Implicit Place search using SMT with State Equation took 8871 ms to find 0 implicit places.
[2023-03-19 17:21:21] [INFO ] Redundant transitions in 943 ms returned []
[2023-03-19 17:21:21] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 17:21:21] [INFO ] Invariant cache hit.
[2023-03-19 17:21:23] [INFO ] Dead Transitions using invariants and state equation in 2153 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12294 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 5264 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 5 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1948
Applied a total of 417 rules in 338 ms. Remains 269 /305 variables (removed 36) and now considering 1948/7810 (removed 5862) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 1948 rows 269 cols
[2023-03-19 17:21:24] [INFO ] Computed 1 place invariants in 13 ms
[2023-03-19 17:21:24] [INFO ] After 64ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-19 17:21:24] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 17:21:25] [INFO ] After 957ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-19 17:21:25] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 17:21:28] [INFO ] After 3618ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-19 17:21:31] [INFO ] After 5816ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 1602 ms.
[2023-03-19 17:21:32] [INFO ] After 8481ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Successfully simplified 3 atomic propositions for a total of 6 simplifications.
FORMULA Szymanski-PT-b02-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 11 stabilizing places and 2304 stable transitions
FORMULA Szymanski-PT-b02-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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(G(p0))))'
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:21:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 17:21:33] [INFO ] Computed 1 place invariants in 23 ms
[2023-03-19 17:21:33] [INFO ] Implicit Places using invariants in 536 ms returned []
[2023-03-19 17:21:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:21:33] [INFO ] Invariant cache hit.
[2023-03-19 17:21:34] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:21:41] [INFO ] Implicit Places using invariants and state equation in 8132 ms returned []
Implicit Place search using SMT with State Equation took 8698 ms to find 0 implicit places.
[2023-03-19 17:21:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:21:41] [INFO ] Invariant cache hit.
[2023-03-19 17:21:44] [INFO ] Dead Transitions using invariants and state equation in 2303 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11040 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 236 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b02-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(LEQ s209 s128)], 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, null][false, false, false, false]]
Product exploration explored 100000 steps with 1 reset in 751 ms.
Product exploration explored 100000 steps with 0 reset in 637 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 110 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 266 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 150315 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :{}
Probabilistic random walk after 150315 steps, saw 51574 distinct states, run finished after 3001 ms. (steps per millisecond=50 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 17:21:49] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:21:49] [INFO ] Invariant cache hit.
[2023-03-19 17:21:49] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:21:49] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 17:21:50] [INFO ] After 703ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:21:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:21:54] [INFO ] After 4491ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 17:21:54] [INFO ] After 4633ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 60 ms.
[2023-03-19 17:21:54] [INFO ] After 5479ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 305 transition count 7808
Applied a total of 128 rules in 395 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7936 (removed 128) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 408 ms. Remains : 305/305 places, 7808/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 150611 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :{}
Probabilistic random walk after 150611 steps, saw 51283 distinct states, run finished after 3001 ms. (steps per millisecond=50 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 17:21:58] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 17:21:58] [INFO ] Computed 3 place invariants in 21 ms
[2023-03-19 17:21:58] [INFO ] After 114ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:21:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 17:21:59] [INFO ] After 585ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:21:59] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:22:08] [INFO ] After 9078ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 17:22:08] [INFO ] After 9736ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 23 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 248 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 257 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 232 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 17:22:08] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:22:08] [INFO ] Invariant cache hit.
[2023-03-19 17:22:09] [INFO ] Implicit Places using invariants in 582 ms returned []
[2023-03-19 17:22:09] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:22:09] [INFO ] Invariant cache hit.
[2023-03-19 17:22:09] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:22:11] [INFO ] Implicit Places using invariants and state equation in 2612 ms returned []
Implicit Place search using SMT with State Equation took 3204 ms to find 0 implicit places.
[2023-03-19 17:22:12] [INFO ] Redundant transitions in 907 ms returned []
[2023-03-19 17:22:12] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:22:12] [INFO ] Invariant cache hit.
[2023-03-19 17:22:15] [INFO ] Dead Transitions using invariants and state equation in 2298 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6673 ms. Remains : 305/305 places, 7808/7808 transitions.
Graph (trivial) has 5264 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 2 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1946
Applied a total of 417 rules in 142 ms. Remains 269 /305 variables (removed 36) and now considering 1946/7808 (removed 5862) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1946 rows 269 cols
[2023-03-19 17:22:15] [INFO ] Computed 3 place invariants in 17 ms
[2023-03-19 17:22:15] [INFO ] After 48ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:22:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 17:22:15] [INFO ] After 379ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:22:15] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 17:22:16] [INFO ] After 294ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 17:22:16] [INFO ] After 366ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 45 ms.
[2023-03-19 17:22:16] [INFO ] After 849ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 87 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 118 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:22:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 17:22:16] [INFO ] Computed 1 place invariants in 17 ms
[2023-03-19 17:22:16] [INFO ] Implicit Places using invariants in 470 ms returned []
[2023-03-19 17:22:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:22:16] [INFO ] Invariant cache hit.
[2023-03-19 17:22:17] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:22:24] [INFO ] Implicit Places using invariants and state equation in 7473 ms returned []
Implicit Place search using SMT with State Equation took 7944 ms to find 0 implicit places.
[2023-03-19 17:22:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:22:24] [INFO ] Invariant cache hit.
[2023-03-19 17:22:26] [INFO ] Dead Transitions using invariants and state equation in 2137 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10116 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 77 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 3 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 152379 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :{}
Probabilistic random walk after 152379 steps, saw 52086 distinct states, run finished after 3001 ms. (steps per millisecond=50 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 17:22:29] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:22:29] [INFO ] Invariant cache hit.
[2023-03-19 17:22:29] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:22:30] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 17:22:30] [INFO ] After 695ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:22:30] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:22:35] [INFO ] After 4724ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 17:22:35] [INFO ] After 4845ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 55 ms.
[2023-03-19 17:22:35] [INFO ] After 5677ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 305 transition count 7808
Applied a total of 128 rules in 205 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7936 (removed 128) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 305/305 places, 7808/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 151833 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :{}
Probabilistic random walk after 151833 steps, saw 51592 distinct states, run finished after 3001 ms. (steps per millisecond=50 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 17:22:38] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 17:22:38] [INFO ] Computed 3 place invariants in 20 ms
[2023-03-19 17:22:39] [INFO ] After 89ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:22:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 17:22:39] [INFO ] After 581ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:22:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:22:48] [INFO ] After 9078ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 17:22:48] [INFO ] After 9723ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 29 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 202 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 200 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 17:22:49] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:22:49] [INFO ] Invariant cache hit.
[2023-03-19 17:22:49] [INFO ] Implicit Places using invariants in 509 ms returned []
[2023-03-19 17:22:49] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:22:49] [INFO ] Invariant cache hit.
[2023-03-19 17:22:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:22:51] [INFO ] Implicit Places using invariants and state equation in 2166 ms returned []
Implicit Place search using SMT with State Equation took 2703 ms to find 0 implicit places.
[2023-03-19 17:22:52] [INFO ] Redundant transitions in 659 ms returned []
[2023-03-19 17:22:52] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:22:52] [INFO ] Invariant cache hit.
[2023-03-19 17:22:54] [INFO ] Dead Transitions using invariants and state equation in 2440 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6046 ms. Remains : 305/305 places, 7808/7808 transitions.
Graph (trivial) has 5264 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 1 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1946
Applied a total of 417 rules in 129 ms. Remains 269 /305 variables (removed 36) and now considering 1946/7808 (removed 5862) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1946 rows 269 cols
[2023-03-19 17:22:55] [INFO ] Computed 3 place invariants in 9 ms
[2023-03-19 17:22:55] [INFO ] After 82ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:22:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2023-03-19 17:22:55] [INFO ] After 377ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:22:55] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 17:22:56] [INFO ] After 291ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 17:22:56] [INFO ] After 374ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 40 ms.
[2023-03-19 17:22:56] [INFO ] After 893ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 104 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 120 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 107 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 426 ms.
Product exploration explored 100000 steps with 0 reset in 473 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 457 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:22:58] [INFO ] Redundant transitions in 695 ms returned []
[2023-03-19 17:22:58] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 17:22:58] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 17:23:01] [INFO ] Dead Transitions using invariants and state equation in 2204 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3385 ms. Remains : 305/305 places, 7936/7936 transitions.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 58 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:23:01] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:01] [INFO ] Invariant cache hit.
[2023-03-19 17:23:01] [INFO ] Implicit Places using invariants in 456 ms returned []
[2023-03-19 17:23:01] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:01] [INFO ] Invariant cache hit.
[2023-03-19 17:23:02] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:23:10] [INFO ] Implicit Places using invariants and state equation in 8432 ms returned []
Implicit Place search using SMT with State Equation took 8904 ms to find 0 implicit places.
[2023-03-19 17:23:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:10] [INFO ] Invariant cache hit.
[2023-03-19 17:23:12] [INFO ] Dead Transitions using invariants and state equation in 2039 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11003 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b02-LTLCardinality-02 finished in 99836 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(G(p0))))'
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 32 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:23:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:12] [INFO ] Invariant cache hit.
[2023-03-19 17:23:13] [INFO ] Implicit Places using invariants in 471 ms returned []
[2023-03-19 17:23:13] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:13] [INFO ] Invariant cache hit.
[2023-03-19 17:23:13] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:23:20] [INFO ] Implicit Places using invariants and state equation in 7640 ms returned []
Implicit Place search using SMT with State Equation took 8112 ms to find 0 implicit places.
[2023-03-19 17:23:20] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:20] [INFO ] Invariant cache hit.
[2023-03-19 17:23:23] [INFO ] Dead Transitions using invariants and state equation in 2137 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10297 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 129 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b02-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(GT s175 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, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Szymanski-PT-b02-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b02-LTLCardinality-03 finished in 10455 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 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 205 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:23:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:23] [INFO ] Invariant cache hit.
[2023-03-19 17:23:23] [INFO ] Implicit Places using invariants in 431 ms returned []
[2023-03-19 17:23:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:23] [INFO ] Invariant cache hit.
[2023-03-19 17:23:24] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:23:29] [INFO ] Implicit Places using invariants and state equation in 5928 ms returned []
Implicit Place search using SMT with State Equation took 6406 ms to find 0 implicit places.
[2023-03-19 17:23:30] [INFO ] Redundant transitions in 706 ms returned []
[2023-03-19 17:23:30] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:30] [INFO ] Invariant cache hit.
[2023-03-19 17:23:32] [INFO ] Dead Transitions using invariants and state equation in 2186 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9539 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b02-LTLCardinality-04 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:(LEQ 1 s47)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 418 ms.
Stack based approach found an accepted trace after 31 steps with 0 reset with depth 32 and stack size 32 in 1 ms.
FORMULA Szymanski-PT-b02-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b02-LTLCardinality-04 finished in 10051 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&&(G(p1)||X(F(!p1))))))'
Support contains 3 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 30 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:23:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:33] [INFO ] Invariant cache hit.
[2023-03-19 17:23:33] [INFO ] Implicit Places using invariants in 424 ms returned []
[2023-03-19 17:23:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:33] [INFO ] Invariant cache hit.
[2023-03-19 17:23:34] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:23:41] [INFO ] Implicit Places using invariants and state equation in 7391 ms returned []
Implicit Place search using SMT with State Equation took 7835 ms to find 0 implicit places.
[2023-03-19 17:23:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:41] [INFO ] Invariant cache hit.
[2023-03-19 17:23:43] [INFO ] Dead Transitions using invariants and state equation in 2191 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10086 ms. Remains : 305/305 places, 7936/7936 transitions.
Stuttering acceptance computed with spot in 158 ms :[p1, (NOT p0), (NOT p0), true]
Running random walk in product with property : Szymanski-PT-b02-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=2, aps=[p1:(LEQ s216 0), p0:(LEQ s193 s77)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 842 ms.
Product exploration explored 100000 steps with 50000 reset in 752 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p1 p0), (X p0), (X (NOT (AND p0 (NOT p1)))), true, (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND p0 (NOT p1))))
Knowledge based reduction with 5 factoid took 95 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b02-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b02-LTLCardinality-13 finished in 11983 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(G(p0))))'
Found a Lengthening insensitive property : Szymanski-PT-b02-LTLCardinality-02
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 57 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:23:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:45] [INFO ] Invariant cache hit.
[2023-03-19 17:23:45] [INFO ] Implicit Places using invariants in 452 ms returned []
[2023-03-19 17:23:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:45] [INFO ] Invariant cache hit.
[2023-03-19 17:23:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:23:53] [INFO ] Implicit Places using invariants and state equation in 7120 ms returned []
Implicit Place search using SMT with State Equation took 7585 ms to find 0 implicit places.
[2023-03-19 17:23:53] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:53] [INFO ] Invariant cache hit.
[2023-03-19 17:23:55] [INFO ] Dead Transitions using invariants and state equation in 2204 ms found 0 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 9860 ms. Remains : 305/305 places, 7936/7936 transitions.
Running random walk in product with property : Szymanski-PT-b02-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(LEQ s209 s128)], 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, sl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 417 ms.
Product exploration explored 100000 steps with 0 reset in 436 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 123 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 151444 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :{}
Probabilistic random walk after 151444 steps, saw 51889 distinct states, run finished after 3002 ms. (steps per millisecond=50 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 17:23:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:23:59] [INFO ] Invariant cache hit.
[2023-03-19 17:23:59] [INFO ] After 73ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:23:59] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 17:24:00] [INFO ] After 726ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:24:00] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:24:05] [INFO ] After 4661ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 17:24:05] [INFO ] After 4776ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 94 ms.
[2023-03-19 17:24:05] [INFO ] After 5657ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 305 transition count 7808
Applied a total of 128 rules in 198 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7936 (removed 128) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 198 ms. Remains : 305/305 places, 7808/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 160185 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :{}
Probabilistic random walk after 160185 steps, saw 53797 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 17:24:08] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 17:24:08] [INFO ] Computed 3 place invariants in 23 ms
[2023-03-19 17:24:08] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:24:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 17:24:09] [INFO ] After 554ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:24:09] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:24:18] [INFO ] After 9073ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 17:24:18] [INFO ] After 9693ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 30 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 214 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 214 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 188 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 17:24:18] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:24:18] [INFO ] Invariant cache hit.
[2023-03-19 17:24:19] [INFO ] Implicit Places using invariants in 507 ms returned []
[2023-03-19 17:24:19] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:24:19] [INFO ] Invariant cache hit.
[2023-03-19 17:24:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:24:21] [INFO ] Implicit Places using invariants and state equation in 2150 ms returned []
Implicit Place search using SMT with State Equation took 2672 ms to find 0 implicit places.
[2023-03-19 17:24:22] [INFO ] Redundant transitions in 660 ms returned []
[2023-03-19 17:24:22] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:24:22] [INFO ] Invariant cache hit.
[2023-03-19 17:24:24] [INFO ] Dead Transitions using invariants and state equation in 2479 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6033 ms. Remains : 305/305 places, 7808/7808 transitions.
Graph (trivial) has 5264 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1946
Applied a total of 417 rules in 125 ms. Remains 269 /305 variables (removed 36) and now considering 1946/7808 (removed 5862) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1946 rows 269 cols
[2023-03-19 17:24:24] [INFO ] Computed 3 place invariants in 14 ms
[2023-03-19 17:24:24] [INFO ] After 88ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:24:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 17:24:25] [INFO ] After 368ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:24:25] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 17:24:25] [INFO ] After 284ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 17:24:25] [INFO ] After 357ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 42 ms.
[2023-03-19 17:24:25] [INFO ] After 831ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 113 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 136 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 105 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 33 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:24:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 17:24:26] [INFO ] Computed 1 place invariants in 23 ms
[2023-03-19 17:24:26] [INFO ] Implicit Places using invariants in 448 ms returned []
[2023-03-19 17:24:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:24:26] [INFO ] Invariant cache hit.
[2023-03-19 17:24:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:24:33] [INFO ] Implicit Places using invariants and state equation in 6693 ms returned []
Implicit Place search using SMT with State Equation took 7168 ms to find 0 implicit places.
[2023-03-19 17:24:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:24:33] [INFO ] Invariant cache hit.
[2023-03-19 17:24:35] [INFO ] Dead Transitions using invariants and state equation in 2291 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9510 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 134 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 154819 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :{}
Probabilistic random walk after 154819 steps, saw 52705 distinct states, run finished after 3002 ms. (steps per millisecond=51 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 17:24:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:24:38] [INFO ] Invariant cache hit.
[2023-03-19 17:24:38] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:24:39] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 17:24:39] [INFO ] After 675ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:24:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:24:44] [INFO ] After 4741ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 17:24:44] [INFO ] After 4850ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 59 ms.
[2023-03-19 17:24:44] [INFO ] After 5662ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 305 transition count 7808
Applied a total of 128 rules in 193 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7936 (removed 128) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 305/305 places, 7808/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 161100 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :{}
Probabilistic random walk after 161100 steps, saw 54065 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 17:24:47] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2023-03-19 17:24:47] [INFO ] Computed 3 place invariants in 13 ms
[2023-03-19 17:24:47] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:24:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2023-03-19 17:24:48] [INFO ] After 566ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:24:48] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:24:57] [INFO ] After 9073ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 17:24:57] [INFO ] After 9707ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 25 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 187 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 187 ms. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 243 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2023-03-19 17:24:58] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:24:58] [INFO ] Invariant cache hit.
[2023-03-19 17:24:58] [INFO ] Implicit Places using invariants in 497 ms returned []
[2023-03-19 17:24:58] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:24:58] [INFO ] Invariant cache hit.
[2023-03-19 17:24:59] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:25:01] [INFO ] Implicit Places using invariants and state equation in 2445 ms returned []
Implicit Place search using SMT with State Equation took 2963 ms to find 0 implicit places.
[2023-03-19 17:25:01] [INFO ] Redundant transitions in 644 ms returned []
[2023-03-19 17:25:01] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
[2023-03-19 17:25:01] [INFO ] Invariant cache hit.
[2023-03-19 17:25:04] [INFO ] Dead Transitions using invariants and state equation in 2357 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6223 ms. Remains : 305/305 places, 7808/7808 transitions.
Graph (trivial) has 5264 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 1 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1946
Applied a total of 417 rules in 143 ms. Remains 269 /305 variables (removed 36) and now considering 1946/7808 (removed 5862) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1946 rows 269 cols
[2023-03-19 17:25:04] [INFO ] Computed 3 place invariants in 15 ms
[2023-03-19 17:25:04] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 17:25:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-19 17:25:04] [INFO ] After 360ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 17:25:04] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 17:25:05] [INFO ] After 286ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 17:25:05] [INFO ] After 350ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 44 ms.
[2023-03-19 17:25:05] [INFO ] After 821ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 87 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 109 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 411 ms.
Product exploration explored 100000 steps with 0 reset in 418 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:25:07] [INFO ] Redundant transitions in 663 ms returned []
[2023-03-19 17:25:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 17:25:07] [INFO ] Computed 1 place invariants in 23 ms
[2023-03-19 17:25:09] [INFO ] Dead Transitions using invariants and state equation in 2460 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3320 ms. Remains : 305/305 places, 7936/7936 transitions.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 28 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 17:25:09] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:25:09] [INFO ] Invariant cache hit.
[2023-03-19 17:25:10] [INFO ] Implicit Places using invariants in 412 ms returned []
[2023-03-19 17:25:10] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:25:10] [INFO ] Invariant cache hit.
[2023-03-19 17:25:10] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 17:25:17] [INFO ] Implicit Places using invariants and state equation in 7531 ms returned []
Implicit Place search using SMT with State Equation took 7955 ms to find 0 implicit places.
[2023-03-19 17:25:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 17:25:17] [INFO ] Invariant cache hit.
[2023-03-19 17:25:19] [INFO ] Dead Transitions using invariants and state equation in 2090 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10075 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b02-LTLCardinality-02 finished in 94932 ms.
[2023-03-19 17:25:20] [INFO ] Flatten gal took : 313 ms
[2023-03-19 17:25:20] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 1 ms.
[2023-03-19 17:25:20] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 305 places, 7936 transitions and 31616 arcs took 52 ms.
Total runtime 317142 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1118/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : Szymanski-PT-b02-LTLCardinality-02
BK_STOP 1679246723406
--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
mcc2023
ltl formula name Szymanski-PT-b02-LTLCardinality-02
ltl formula formula --ltl=/tmp/1118/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 305 places, 7936 transitions and 31616 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 1.060 real 0.210 user 0.200 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1118/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1118/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1118/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1118/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
free(): double free detected in tcache 2
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="Szymanski-PT-b02"
export BK_EXAMINATION="LTLCardinality"
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 Szymanski-PT-b02, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r489-tall-167912706800451"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b02.tgz
mv Szymanski-PT-b02 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;