Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r492-smll-171636266100091.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=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 2-5568
Executing tool ltsminxred
Input is Echo-PT-d02r15, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r492-smll-171636266100091
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 7.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 19 15:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 19 18:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 04:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Apr 12 04:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Apr 12 04:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Apr 12 04:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 917K May 18 16:42 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 Echo-PT-d02r15-LTLCardinality-00
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-01
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-02
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-03
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-04
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-05
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-06
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-07
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-08
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-09
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-10
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-11
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-12
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-13
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-14
FORMULA_NAME Echo-PT-d02r15-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717198564236

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d02r15
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 23:36:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-31 23:36:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 23:36:06] [INFO ] Load time of PNML (sax parser for PT used): 343 ms
[2024-05-31 23:36:06] [INFO ] Transformed 2127 places.
[2024-05-31 23:36:06] [INFO ] Transformed 1674 transitions.
[2024-05-31 23:36:06] [INFO ] Found NUPN structural information;
[2024-05-31 23:36:06] [INFO ] Parsed PT model containing 2127 places and 1674 transitions and 9700 arcs in 518 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 148 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA Echo-PT-d02r15-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r15-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r15-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r15-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r15-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d02r15-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 2127 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2127/2127 places, 1674/1674 transitions.
Reduce places removed 220 places and 0 transitions.
Iterating post reduction 0 with 220 rules applied. Total rules applied 220 place count 1907 transition count 1674
Applied a total of 220 rules in 351 ms. Remains 1907 /2127 variables (removed 220) and now considering 1674/1674 (removed 0) transitions.
// Phase 1: matrix 1674 rows 1907 cols
[2024-05-31 23:36:09] [INFO ] Computed 845 invariants in 1846 ms
[2024-05-31 23:36:17] [INFO ] Implicit Places using invariants in 9800 ms returned []
[2024-05-31 23:36:17] [INFO ] Invariant cache hit.
[2024-05-31 23:36:25] [INFO ] Implicit Places using invariants and state equation in 8118 ms returned []
Implicit Place search using SMT with State Equation took 17980 ms to find 0 implicit places.
Running 1673 sub problems to find dead transitions.
[2024-05-31 23:36:25] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1901 variables, 1901/1901 constraints. Problems are: Problem set: 0 solved, 1673 unsolved
SMT process timed out in 31473ms, After SMT, problems are : Problem set: 0 solved, 1673 unsolved
Search for dead transitions found 0 dead transitions in 31541ms
Starting structural reductions in LTL mode, iteration 1 : 1907/2127 places, 1674/1674 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 49926 ms. Remains : 1907/2127 places, 1674/1674 transitions.
Support contains 29 out of 1907 places after structural reductions.
[2024-05-31 23:36:57] [INFO ] Flatten gal took : 301 ms
[2024-05-31 23:36:57] [INFO ] Flatten gal took : 186 ms
[2024-05-31 23:36:57] [INFO ] Input system was already deterministic with 1674 transitions.
Reduction of identical properties reduced properties to check from 17 to 16
RANDOM walk for 40000 steps (88 resets) in 2410 ms. (16 steps per ms) remains 2/16 properties
BEST_FIRST walk for 40004 steps (8 resets) in 486 ms. (82 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 468 ms. (85 steps per ms) remains 1/1 properties
[2024-05-31 23:36:58] [INFO ] Invariant cache hit.
Problem AtomicPropp13 is UNSAT
After SMT solving in domain Real declared 1/3581 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20 ms.
Refiners :[Domain max(s): 0/1907 constraints, Positive P Invariants (semi-flows): 0/16 constraints, Generalized P Invariants (flows): 0/829 constraints, State Equation: 0/1907 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
Computed a total of 1907 stabilizing places and 1674 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1907 transition count 1674
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 1907 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 1902 transition count 1674
Applied a total of 5 rules in 266 ms. Remains 1902 /1907 variables (removed 5) and now considering 1674/1674 (removed 0) transitions.
// Phase 1: matrix 1674 rows 1902 cols
[2024-05-31 23:37:02] [INFO ] Computed 840 invariants in 2712 ms
[2024-05-31 23:37:12] [INFO ] Implicit Places using invariants in 13068 ms returned []
[2024-05-31 23:37:12] [INFO ] Invariant cache hit.
[2024-05-31 23:37:25] [INFO ] Implicit Places using invariants and state equation in 12698 ms returned []
Implicit Place search using SMT with State Equation took 25770 ms to find 0 implicit places.
Running 1673 sub problems to find dead transitions.
[2024-05-31 23:37:25] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1901 variables, 1901/1901 constraints. Problems are: Problem set: 0 solved, 1673 unsolved
SMT process timed out in 31121ms, After SMT, problems are : Problem set: 0 solved, 1673 unsolved
Search for dead transitions found 0 dead transitions in 31168ms
Starting structural reductions in LTL mode, iteration 1 : 1902/1907 places, 1674/1674 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 57215 ms. Remains : 1902/1907 places, 1674/1674 transitions.
Stuttering acceptance computed with spot in 377 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 1630 steps with 3 reset in 103 ms.
FORMULA Echo-PT-d02r15-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r15-LTLCardinality-00 finished in 57796 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 1907 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Graph (complete) has 5721 edges and 1907 vertex of which 1897 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.66 ms
Discarding 10 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 496 ms. Remains 1896 /1907 variables (removed 11) and now considering 1672/1674 (removed 2) transitions.
// Phase 1: matrix 1672 rows 1896 cols
[2024-05-31 23:38:00] [INFO ] Computed 836 invariants in 2681 ms
[2024-05-31 23:38:09] [INFO ] Implicit Places using invariants in 11786 ms returned [2, 55, 1841, 1894]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 11804 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1892/1907 places, 1672/1674 transitions.
Applied a total of 0 rules in 141 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 12444 ms. Remains : 1892/1907 places, 1672/1674 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-01
Product exploration explored 100000 steps with 225 reset in 1992 ms.
Product exploration explored 100000 steps with 225 reset in 2035 ms.
Computed a total of 1892 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1892 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 102 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 29011 steps (63 resets) in 1052 ms. (27 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 178 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 1892 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1892/1892 places, 1672/1672 transitions.
Applied a total of 0 rules in 200 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
// Phase 1: matrix 1672 rows 1892 cols
[2024-05-31 23:38:18] [INFO ] Computed 832 invariants in 1978 ms
[2024-05-31 23:38:30] [INFO ] Implicit Places using invariants in 14118 ms returned []
[2024-05-31 23:38:30] [INFO ] Invariant cache hit.
[2024-05-31 23:38:41] [INFO ] Implicit Places using invariants and state equation in 11234 ms returned []
Implicit Place search using SMT with State Equation took 25365 ms to find 0 implicit places.
[2024-05-31 23:38:41] [INFO ] Redundant transitions in 186 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:38:42] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 31032ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 31072ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 56847 ms. Remains : 1892/1892 places, 1672/1672 transitions.
Computed a total of 1892 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1892 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 108 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 22749 steps (49 resets) in 639 ms. (35 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 174 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 225 reset in 1913 ms.
Product exploration explored 100000 steps with 225 reset in 1864 ms.
Support contains 2 out of 1892 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1892/1892 places, 1672/1672 transitions.
Applied a total of 0 rules in 121 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
[2024-05-31 23:39:19] [INFO ] Invariant cache hit.
[2024-05-31 23:39:28] [INFO ] Implicit Places using invariants in 9724 ms returned []
[2024-05-31 23:39:28] [INFO ] Invariant cache hit.
[2024-05-31 23:39:38] [INFO ] Implicit Places using invariants and state equation in 9866 ms returned []
Implicit Place search using SMT with State Equation took 19598 ms to find 0 implicit places.
[2024-05-31 23:39:38] [INFO ] Redundant transitions in 48 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:39:38] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 31307ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 31329ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 51106 ms. Remains : 1892/1892 places, 1672/1672 transitions.
Treatment of property Echo-PT-d02r15-LTLCardinality-01 finished in 133327 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 4 out of 1907 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Graph (complete) has 5721 edges and 1907 vertex of which 1898 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Discarding 9 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 135 ms. Remains 1897 /1907 variables (removed 10) and now considering 1672/1674 (removed 2) transitions.
// Phase 1: matrix 1672 rows 1897 cols
[2024-05-31 23:40:12] [INFO ] Computed 837 invariants in 1375 ms
[2024-05-31 23:40:21] [INFO ] Implicit Places using invariants in 11126 ms returned [2, 55, 1842, 1895]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 11132 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1893/1907 places, 1672/1674 transitions.
Applied a total of 0 rules in 105 ms. Remains 1893 /1893 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 11373 ms. Remains : 1893/1907 places, 1672/1674 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-03
Product exploration explored 100000 steps with 224 reset in 1828 ms.
Product exploration explored 100000 steps with 223 reset in 1829 ms.
Computed a total of 1893 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1893 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 113 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 34736 steps (76 resets) in 1163 ms. (29 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 208 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 107 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 109 ms :[(NOT p0), (NOT p0)]
Support contains 4 out of 1893 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1893/1893 places, 1672/1672 transitions.
Applied a total of 0 rules in 161 ms. Remains 1893 /1893 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
// Phase 1: matrix 1672 rows 1893 cols
[2024-05-31 23:40:29] [INFO ] Invariants computation overflowed in 1339 ms
[2024-05-31 23:40:31] [INFO ] Implicit Places using invariants in 3729 ms returned []
// Phase 1: matrix 1672 rows 1893 cols
[2024-05-31 23:40:33] [INFO ] Invariants computation overflowed in 1361 ms
[2024-05-31 23:40:39] [INFO ] Implicit Places using invariants and state equation in 7109 ms returned []
Implicit Place search using SMT with State Equation took 10842 ms to find 0 implicit places.
[2024-05-31 23:40:39] [INFO ] Redundant transitions in 143 ms returned []
Running 1668 sub problems to find dead transitions.
// Phase 1: matrix 1672 rows 1893 cols
[2024-05-31 23:40:40] [INFO ] Invariants computation overflowed in 1208 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1892/3565 variables, and 1892 constraints, problems are : Problem set: 0 solved, 1668 unsolved in 30041 ms.
Refiners :[Domain max(s): 1892/1893 constraints, State Equation: 0/1893 constraints, PredecessorRefiner: 1668/1668 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1668 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1892/3565 variables, and 1892 constraints, problems are : Problem set: 0 solved, 1668 unsolved in 30055 ms.
Refiners :[Domain max(s): 1892/1893 constraints, State Equation: 0/1893 constraints, PredecessorRefiner: 0/1668 constraints, Known Traps: 0/0 constraints]
After SMT, in 62263ms problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 62283ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 73441 ms. Remains : 1893/1893 places, 1672/1672 transitions.
Computed a total of 1893 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1893 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 94 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 34273 steps (75 resets) in 695 ms. (49 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 134 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 224 reset in 1783 ms.
Product exploration explored 100000 steps with 224 reset in 1792 ms.
Support contains 4 out of 1893 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1893/1893 places, 1672/1672 transitions.
Applied a total of 0 rules in 90 ms. Remains 1893 /1893 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
// Phase 1: matrix 1672 rows 1893 cols
[2024-05-31 23:41:48] [INFO ] Invariants computation overflowed in 1200 ms
[2024-05-31 23:41:52] [INFO ] Implicit Places using invariants in 4814 ms returned []
// Phase 1: matrix 1672 rows 1893 cols
[2024-05-31 23:41:53] [INFO ] Invariants computation overflowed in 1239 ms
[2024-05-31 23:41:59] [INFO ] Implicit Places using invariants and state equation in 7551 ms returned []
Implicit Place search using SMT with State Equation took 12367 ms to find 0 implicit places.
[2024-05-31 23:42:00] [INFO ] Redundant transitions in 92 ms returned []
Running 1668 sub problems to find dead transitions.
// Phase 1: matrix 1672 rows 1893 cols
[2024-05-31 23:42:01] [INFO ] Invariants computation overflowed in 1354 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1892/3565 variables, and 1892 constraints, problems are : Problem set: 0 solved, 1668 unsolved in 30045 ms.
Refiners :[Domain max(s): 1892/1893 constraints, State Equation: 0/1893 constraints, PredecessorRefiner: 1668/1668 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1668 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1892/3565 variables, and 1892 constraints, problems are : Problem set: 0 solved, 1668 unsolved in 30063 ms.
Refiners :[Domain max(s): 1892/1893 constraints, State Equation: 0/1893 constraints, PredecessorRefiner: 0/1668 constraints, Known Traps: 0/0 constraints]
After SMT, in 62266ms problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 62302ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 74868 ms. Remains : 1893/1893 places, 1672/1672 transitions.
Treatment of property Echo-PT-d02r15-LTLCardinality-03 finished in 171991 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(F(p1))))'
Support contains 3 out of 1907 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 1903 transition count 1674
Applied a total of 4 rules in 125 ms. Remains 1903 /1907 variables (removed 4) and now considering 1674/1674 (removed 0) transitions.
// Phase 1: matrix 1674 rows 1903 cols
[2024-05-31 23:43:04] [INFO ] Computed 841 invariants in 1891 ms
[2024-05-31 23:43:14] [INFO ] Implicit Places using invariants in 12314 ms returned []
[2024-05-31 23:43:14] [INFO ] Invariant cache hit.
[2024-05-31 23:43:24] [INFO ] Implicit Places using invariants and state equation in 9245 ms returned []
Implicit Place search using SMT with State Equation took 21561 ms to find 0 implicit places.
Running 1673 sub problems to find dead transitions.
[2024-05-31 23:43:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1901 variables, 1901/1901 constraints. Problems are: Problem set: 0 solved, 1673 unsolved
SMT process timed out in 30989ms, After SMT, problems are : Problem set: 0 solved, 1673 unsolved
Search for dead transitions found 0 dead transitions in 31008ms
Starting structural reductions in LTL mode, iteration 1 : 1903/1907 places, 1674/1674 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 52699 ms. Remains : 1903/1907 places, 1674/1674 transitions.
Stuttering acceptance computed with spot in 191 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-04
Product exploration explored 100000 steps with 317 reset in 2043 ms.
Product exploration explored 100000 steps with 303 reset in 2211 ms.
Computed a total of 1903 stabilizing places and 1674 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1903 transition count 1674
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 158 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 98 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 1712 steps (0 resets) in 58 ms. (29 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 7 factoid took 301 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 89 ms :[(NOT p1), (NOT p1)]
[2024-05-31 23:44:01] [INFO ] Invariant cache hit.
[2024-05-31 23:44:05] [INFO ] [Real]Absence check using 3 positive place invariants in 21 ms returned sat
[2024-05-31 23:44:16] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 23:44:16] [INFO ] [Real]Absence check using 3 positive and 838 generalized place invariants in 10907 ms returned unknown
Could not prove EG (NOT p1)
Support contains 1 out of 1903 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1903/1903 places, 1674/1674 transitions.
Graph (complete) has 5693 edges and 1903 vertex of which 1898 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.4 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 109 ms. Remains 1897 /1903 variables (removed 6) and now considering 1672/1674 (removed 2) transitions.
// Phase 1: matrix 1672 rows 1897 cols
[2024-05-31 23:44:18] [INFO ] Computed 837 invariants in 2062 ms
[2024-05-31 23:44:29] [INFO ] Implicit Places using invariants in 13131 ms returned [2, 55, 1842, 1895]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 13133 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1893/1903 places, 1672/1674 transitions.
Applied a total of 0 rules in 92 ms. Remains 1893 /1893 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 13336 ms. Remains : 1893/1903 places, 1672/1674 transitions.
Computed a total of 1893 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1893 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 114 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 1674 steps (0 resets) in 48 ms. (34 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 117 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p1), (NOT p1)]
// Phase 1: matrix 1672 rows 1893 cols
[2024-05-31 23:44:34] [INFO ] Computed 833 invariants in 2618 ms
[2024-05-31 23:44:38] [INFO ] [Real]Absence check using 4 positive place invariants in 49 ms returned sat
[2024-05-31 23:44:49] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 23:44:49] [INFO ] [Real]Absence check using 4 positive and 829 generalized place invariants in 10908 ms returned unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 69 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 301 reset in 1952 ms.
Product exploration explored 100000 steps with 300 reset in 2001 ms.
Support contains 1 out of 1893 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1893/1893 places, 1672/1672 transitions.
Applied a total of 0 rules in 86 ms. Remains 1893 /1893 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
[2024-05-31 23:44:53] [INFO ] Invariant cache hit.
[2024-05-31 23:45:03] [INFO ] Implicit Places using invariants in 9764 ms returned []
[2024-05-31 23:45:03] [INFO ] Invariant cache hit.
[2024-05-31 23:45:12] [INFO ] Implicit Places using invariants and state equation in 9176 ms returned []
Implicit Place search using SMT with State Equation took 18940 ms to find 0 implicit places.
[2024-05-31 23:45:12] [INFO ] Redundant transitions in 48 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:45:12] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 31134ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 31163ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 50250 ms. Remains : 1893/1893 places, 1672/1672 transitions.
Treatment of property Echo-PT-d02r15-LTLCardinality-04 finished in 161104 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0&&X(p1)))))'
Support contains 4 out of 1907 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 1903 transition count 1674
Applied a total of 4 rules in 126 ms. Remains 1903 /1907 variables (removed 4) and now considering 1674/1674 (removed 0) transitions.
// Phase 1: matrix 1674 rows 1903 cols
[2024-05-31 23:45:46] [INFO ] Computed 841 invariants in 2675 ms
[2024-05-31 23:45:57] [INFO ] Implicit Places using invariants in 13907 ms returned []
[2024-05-31 23:45:57] [INFO ] Invariant cache hit.
[2024-05-31 23:46:08] [INFO ] Implicit Places using invariants and state equation in 10606 ms returned []
Implicit Place search using SMT with State Equation took 24517 ms to find 0 implicit places.
Running 1673 sub problems to find dead transitions.
[2024-05-31 23:46:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1901 variables, 1901/1901 constraints. Problems are: Problem set: 0 solved, 1673 unsolved
SMT process timed out in 30828ms, After SMT, problems are : Problem set: 0 solved, 1673 unsolved
Search for dead transitions found 0 dead transitions in 30848ms
Starting structural reductions in LTL mode, iteration 1 : 1903/1907 places, 1674/1674 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 55496 ms. Remains : 1903/1907 places, 1674/1674 transitions.
Stuttering acceptance computed with spot in 143 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-05
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Echo-PT-d02r15-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r15-LTLCardinality-05 finished in 55667 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((F(G(p1))&&p0)))'
Support contains 2 out of 1907 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Graph (complete) has 5721 edges and 1907 vertex of which 1897 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.3 ms
Discarding 10 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 90 ms. Remains 1896 /1907 variables (removed 11) and now considering 1672/1674 (removed 2) transitions.
// Phase 1: matrix 1672 rows 1896 cols
[2024-05-31 23:46:41] [INFO ] Computed 836 invariants in 2201 ms
[2024-05-31 23:46:50] [INFO ] Implicit Places using invariants in 10690 ms returned [2, 55, 1841, 1894]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 10693 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1892/1907 places, 1672/1674 transitions.
Applied a total of 0 rules in 90 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 10874 ms. Remains : 1892/1907 places, 1672/1674 transitions.
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-06
Stuttering criterion allowed to conclude after 448 steps with 0 reset in 8 ms.
FORMULA Echo-PT-d02r15-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r15-LTLCardinality-06 finished in 11011 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(p0) U p1))))'
Support contains 3 out of 1907 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 1903 transition count 1674
Applied a total of 4 rules in 82 ms. Remains 1903 /1907 variables (removed 4) and now considering 1674/1674 (removed 0) transitions.
// Phase 1: matrix 1674 rows 1903 cols
[2024-05-31 23:46:52] [INFO ] Computed 841 invariants in 1921 ms
[2024-05-31 23:47:05] [INFO ] Implicit Places using invariants in 15463 ms returned []
[2024-05-31 23:47:05] [INFO ] Invariant cache hit.
[2024-05-31 23:47:17] [INFO ] Implicit Places using invariants and state equation in 11341 ms returned []
Implicit Place search using SMT with State Equation took 26808 ms to find 0 implicit places.
Running 1673 sub problems to find dead transitions.
[2024-05-31 23:47:17] [INFO ] Invariant cache hit.
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(s202 1.0)timeout

(s203 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1901 variables, 1901/1901 constraints. Problems are: Problem set: 0 solved, 1673 unsolved
SMT process timed out in 31145ms, After SMT, problems are : Problem set: 0 solved, 1673 unsolved
Search for dead transitions found 0 dead transitions in 31179ms
Starting structural reductions in LTL mode, iteration 1 : 1903/1907 places, 1674/1674 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58076 ms. Remains : 1903/1907 places, 1674/1674 transitions.
Stuttering acceptance computed with spot in 261 ms :[(NOT p1), (NOT p1), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-09
Entered a terminal (fully accepting) state of product in 264 steps with 0 reset in 11 ms.
FORMULA Echo-PT-d02r15-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r15-LTLCardinality-09 finished in 58368 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 1907 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Graph (complete) has 5721 edges and 1907 vertex of which 1897 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.4 ms
Discarding 10 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 147 ms. Remains 1896 /1907 variables (removed 11) and now considering 1672/1674 (removed 2) transitions.
// Phase 1: matrix 1672 rows 1896 cols
[2024-05-31 23:47:51] [INFO ] Computed 836 invariants in 2611 ms
[2024-05-31 23:48:00] [INFO ] Implicit Places using invariants in 11642 ms returned [2, 55, 1841, 1894]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 11647 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1892/1907 places, 1672/1674 transitions.
Applied a total of 0 rules in 132 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 11927 ms. Remains : 1892/1907 places, 1672/1674 transitions.
Stuttering acceptance computed with spot in 57 ms :[(NOT p0)]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-10
Product exploration explored 100000 steps with 222 reset in 1872 ms.
Product exploration explored 100000 steps with 222 reset in 1833 ms.
Computed a total of 1892 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1892 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 92 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
RANDOM walk for 1800 steps (3 resets) in 35 ms. (50 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 113 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Support contains 2 out of 1892 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1892/1892 places, 1672/1672 transitions.
Applied a total of 0 rules in 133 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
// Phase 1: matrix 1672 rows 1892 cols
[2024-05-31 23:48:08] [INFO ] Computed 832 invariants in 2100 ms
[2024-05-31 23:48:19] [INFO ] Implicit Places using invariants in 13043 ms returned []
[2024-05-31 23:48:19] [INFO ] Invariant cache hit.
[2024-05-31 23:48:28] [INFO ] Implicit Places using invariants and state equation in 9019 ms returned []
Implicit Place search using SMT with State Equation took 22064 ms to find 0 implicit places.
[2024-05-31 23:48:28] [INFO ] Redundant transitions in 51 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:48:28] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 30989ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 31010ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 53267 ms. Remains : 1892/1892 places, 1672/1672 transitions.
Computed a total of 1892 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1892 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 132 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 53 ms :[(NOT p0)]
RANDOM walk for 1031 steps (1 resets) in 31 ms. (32 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 158 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Product exploration explored 100000 steps with 222 reset in 2046 ms.
Product exploration explored 100000 steps with 222 reset in 2084 ms.
Support contains 2 out of 1892 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1892/1892 places, 1672/1672 transitions.
Applied a total of 0 rules in 87 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
[2024-05-31 23:49:05] [INFO ] Invariant cache hit.
[2024-05-31 23:49:14] [INFO ] Implicit Places using invariants in 9003 ms returned []
[2024-05-31 23:49:14] [INFO ] Invariant cache hit.
[2024-05-31 23:49:24] [INFO ] Implicit Places using invariants and state equation in 9588 ms returned []
Implicit Place search using SMT with State Equation took 18600 ms to find 0 implicit places.
[2024-05-31 23:49:24] [INFO ] Redundant transitions in 75 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:49:24] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 31085ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 31115ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 49894 ms. Remains : 1892/1892 places, 1672/1672 transitions.
Treatment of property Echo-PT-d02r15-LTLCardinality-10 finished in 126858 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G(p1))))'
Support contains 4 out of 1907 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 1902 transition count 1674
Applied a total of 5 rules in 110 ms. Remains 1902 /1907 variables (removed 5) and now considering 1674/1674 (removed 0) transitions.
// Phase 1: matrix 1674 rows 1902 cols
[2024-05-31 23:49:58] [INFO ] Computed 840 invariants in 3008 ms
[2024-05-31 23:50:12] [INFO ] Implicit Places using invariants in 16829 ms returned []
[2024-05-31 23:50:12] [INFO ] Invariant cache hit.
[2024-05-31 23:50:24] [INFO ] Implicit Places using invariants and state equation in 12382 ms returned []
Implicit Place search using SMT with State Equation took 29214 ms to find 0 implicit places.
Running 1673 sub problems to find dead transitions.
[2024-05-31 23:50:24] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1901 variables, 1901/1901 constraints. Problems are: Problem set: 0 solved, 1673 unsolved
SMT process timed out in 31263ms, After SMT, problems are : Problem set: 0 solved, 1673 unsolved
Search for dead transitions found 0 dead transitions in 31283ms
Starting structural reductions in LTL mode, iteration 1 : 1902/1907 places, 1674/1674 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 60612 ms. Remains : 1902/1907 places, 1674/1674 transitions.
Stuttering acceptance computed with spot in 177 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 79 steps with 0 reset in 3 ms.
FORMULA Echo-PT-d02r15-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Echo-PT-d02r15-LTLCardinality-11 finished in 60826 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||G(F(p1)))))'
Support contains 3 out of 1907 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 1902 transition count 1674
Applied a total of 5 rules in 123 ms. Remains 1902 /1907 variables (removed 5) and now considering 1674/1674 (removed 0) transitions.
[2024-05-31 23:50:56] [INFO ] Invariant cache hit.
[2024-05-31 23:51:07] [INFO ] Implicit Places using invariants in 10885 ms returned []
[2024-05-31 23:51:07] [INFO ] Invariant cache hit.
[2024-05-31 23:51:19] [INFO ] Implicit Places using invariants and state equation in 11800 ms returned []
Implicit Place search using SMT with State Equation took 22689 ms to find 0 implicit places.
Running 1673 sub problems to find dead transitions.
[2024-05-31 23:51:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1901 variables, 1901/1901 constraints. Problems are: Problem set: 0 solved, 1673 unsolved
SMT process timed out in 30952ms, After SMT, problems are : Problem set: 0 solved, 1673 unsolved
Search for dead transitions found 0 dead transitions in 30973ms
Starting structural reductions in LTL mode, iteration 1 : 1902/1907 places, 1674/1674 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 53790 ms. Remains : 1902/1907 places, 1674/1674 transitions.
Stuttering acceptance computed with spot in 213 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-12
Product exploration explored 100000 steps with 235 reset in 2047 ms.
Product exploration explored 100000 steps with 236 reset in 2445 ms.
Computed a total of 1902 stabilizing places and 1674 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1902 transition count 1674
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 204 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
RANDOM walk for 12741 steps (27 resets) in 353 ms. (35 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 9 factoid took 596 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Support contains 3 out of 1902 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1902/1902 places, 1674/1674 transitions.
Graph (complete) has 5685 edges and 1902 vertex of which 1897 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.5 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 145 ms. Remains 1896 /1902 variables (removed 6) and now considering 1672/1674 (removed 2) transitions.
// Phase 1: matrix 1672 rows 1896 cols
[2024-05-31 23:52:00] [INFO ] Computed 836 invariants in 2640 ms
[2024-05-31 23:52:09] [INFO ] Implicit Places using invariants in 11716 ms returned [2, 55, 1841, 1894]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 11718 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 1892/1902 places, 1672/1674 transitions.
Applied a total of 0 rules in 86 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 11950 ms. Remains : 1892/1902 places, 1672/1674 transitions.
Computed a total of 1892 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1892 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 198 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
RANDOM walk for 2456 steps (4 resets) in 70 ms. (34 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 9 factoid took 582 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 241 reset in 2009 ms.
Product exploration explored 100000 steps with 240 reset in 1904 ms.
Support contains 3 out of 1892 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1892/1892 places, 1672/1672 transitions.
Applied a total of 0 rules in 84 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
// Phase 1: matrix 1672 rows 1892 cols
[2024-05-31 23:52:18] [INFO ] Computed 832 invariants in 1653 ms
[2024-05-31 23:52:28] [INFO ] Implicit Places using invariants in 12431 ms returned []
[2024-05-31 23:52:28] [INFO ] Invariant cache hit.
[2024-05-31 23:52:38] [INFO ] Implicit Places using invariants and state equation in 10007 ms returned []
Implicit Place search using SMT with State Equation took 22443 ms to find 0 implicit places.
[2024-05-31 23:52:38] [INFO ] Redundant transitions in 50 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:52:39] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 30874ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 30894ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 53479 ms. Remains : 1892/1892 places, 1672/1672 transitions.
Treatment of property Echo-PT-d02r15-LTLCardinality-12 finished in 133693 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(F(p1))))'
Found a Shortening insensitive property : Echo-PT-d02r15-LTLCardinality-04
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 3 out of 1907 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Graph (complete) has 5721 edges and 1907 vertex of which 1898 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Discarding 9 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 118 ms. Remains 1897 /1907 variables (removed 10) and now considering 1672/1674 (removed 2) transitions.
// Phase 1: matrix 1672 rows 1897 cols
[2024-05-31 23:53:12] [INFO ] Computed 837 invariants in 1934 ms
[2024-05-31 23:53:22] [INFO ] Implicit Places using invariants in 11518 ms returned [2, 55, 1842, 1895]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 11520 ms to find 4 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 1893/1907 places, 1672/1674 transitions.
Applied a total of 0 rules in 81 ms. Remains 1893 /1893 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 11720 ms. Remains : 1893/1907 places, 1672/1674 transitions.
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-04
Product exploration explored 100000 steps with 317 reset in 1730 ms.
Product exploration explored 100000 steps with 307 reset in 1962 ms.
Computed a total of 1893 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1893 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 144 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 1123 steps (0 resets) in 25 ms. (43 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT p1)), (X p0), (X (X (NOT p1))), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 7 factoid took 182 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 94 ms :[(NOT p1), (NOT p1)]
// Phase 1: matrix 1672 rows 1893 cols
[2024-05-31 23:53:30] [INFO ] Computed 833 invariants in 2209 ms
[2024-05-31 23:53:34] [INFO ] [Real]Absence check using 4 positive place invariants in 27 ms returned sat
[2024-05-31 23:53:45] [INFO ] SMT solver returned unknown. Retrying;
[2024-05-31 23:53:45] [INFO ] [Real]Absence check using 4 positive and 829 generalized place invariants in 11316 ms returned unknown
Could not prove EG (NOT p1)
Support contains 1 out of 1893 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1893/1893 places, 1672/1672 transitions.
Applied a total of 0 rules in 93 ms. Remains 1893 /1893 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
[2024-05-31 23:53:45] [INFO ] Invariant cache hit.
[2024-05-31 23:53:56] [INFO ] Implicit Places using invariants in 11443 ms returned []
[2024-05-31 23:53:56] [INFO ] Invariant cache hit.
[2024-05-31 23:54:07] [INFO ] Implicit Places using invariants and state equation in 10941 ms returned []
Implicit Place search using SMT with State Equation took 22386 ms to find 0 implicit places.
[2024-05-31 23:54:07] [INFO ] Redundant transitions in 83 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:54:07] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 31230ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 31263ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 53839 ms. Remains : 1893/1893 places, 1672/1672 transitions.
Computed a total of 1893 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1893 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 92 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 1300 steps (0 resets) in 30 ms. (41 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 117 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 66 ms :[(NOT p1), (NOT p1)]
[2024-05-31 23:54:40] [INFO ] Invariant cache hit.
[2024-05-31 23:54:44] [INFO ] [Real]Absence check using 4 positive place invariants in 27 ms returned sat
[2024-05-31 23:54:55] [INFO ] [Real]Absence check using 4 positive and 829 generalized place invariants in 10977 ms returned unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 68 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 320 reset in 1943 ms.
Product exploration explored 100000 steps with 311 reset in 1959 ms.
Support contains 1 out of 1893 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1893/1893 places, 1672/1672 transitions.
Applied a total of 0 rules in 83 ms. Remains 1893 /1893 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
[2024-05-31 23:54:59] [INFO ] Invariant cache hit.
[2024-05-31 23:55:10] [INFO ] Implicit Places using invariants in 10674 ms returned []
[2024-05-31 23:55:10] [INFO ] Invariant cache hit.
[2024-05-31 23:55:19] [INFO ] Implicit Places using invariants and state equation in 9141 ms returned []
Implicit Place search using SMT with State Equation took 19817 ms to find 0 implicit places.
[2024-05-31 23:55:19] [INFO ] Redundant transitions in 49 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:55:19] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 31001ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 31021ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 50978 ms. Remains : 1893/1893 places, 1672/1672 transitions.
Treatment of property Echo-PT-d02r15-LTLCardinality-04 finished in 160441 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||G(F(p1)))))'
Found a Lengthening insensitive property : Echo-PT-d02r15-LTLCardinality-12
Stuttering acceptance computed with spot in 213 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Support contains 3 out of 1907 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1907/1907 places, 1674/1674 transitions.
Graph (complete) has 5721 edges and 1907 vertex of which 1897 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.4 ms
Discarding 10 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Applied a total of 1 rules in 143 ms. Remains 1896 /1907 variables (removed 11) and now considering 1672/1674 (removed 2) transitions.
// Phase 1: matrix 1672 rows 1896 cols
[2024-05-31 23:55:54] [INFO ] Computed 836 invariants in 2359 ms
[2024-05-31 23:56:03] [INFO ] Implicit Places using invariants in 11485 ms returned [2, 55, 1841, 1894]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 11487 ms to find 4 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 1892/1907 places, 1672/1674 transitions.
Applied a total of 0 rules in 82 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 11712 ms. Remains : 1892/1907 places, 1672/1674 transitions.
Running random walk in product with property : Echo-PT-d02r15-LTLCardinality-12
Product exploration explored 100000 steps with 237 reset in 1684 ms.
Product exploration explored 100000 steps with 238 reset in 1924 ms.
Computed a total of 1892 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1892 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 251 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 121 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
RANDOM walk for 2012 steps (3 resets) in 71 ms. (27 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 9 factoid took 475 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 119 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 119 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Support contains 3 out of 1892 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1892/1892 places, 1672/1672 transitions.
Applied a total of 0 rules in 141 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
// Phase 1: matrix 1672 rows 1892 cols
[2024-05-31 23:56:11] [INFO ] Computed 832 invariants in 1723 ms
[2024-05-31 23:56:21] [INFO ] Implicit Places using invariants in 12308 ms returned []
[2024-05-31 23:56:21] [INFO ] Invariant cache hit.
[2024-05-31 23:56:31] [INFO ] Implicit Places using invariants and state equation in 10031 ms returned []
Implicit Place search using SMT with State Equation took 22344 ms to find 0 implicit places.
[2024-05-31 23:56:31] [INFO ] Redundant transitions in 50 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:56:32] [INFO ] Invariant cache hit.
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(s1417 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 31249ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 31271ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 53816 ms. Remains : 1892/1892 places, 1672/1672 transitions.
Computed a total of 1892 stabilizing places and 1672 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1892 transition count 1672
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 223 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
RANDOM walk for 6477 steps (13 resets) in 278 ms. (23 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 9 factoid took 591 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 157 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 236 reset in 1922 ms.
Product exploration explored 100000 steps with 237 reset in 1887 ms.
Support contains 3 out of 1892 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1892/1892 places, 1672/1672 transitions.
Applied a total of 0 rules in 83 ms. Remains 1892 /1892 variables (removed 0) and now considering 1672/1672 (removed 0) transitions.
[2024-05-31 23:57:10] [INFO ] Invariant cache hit.
[2024-05-31 23:57:21] [INFO ] Implicit Places using invariants in 11794 ms returned []
[2024-05-31 23:57:22] [INFO ] Invariant cache hit.
[2024-05-31 23:57:32] [INFO ] Implicit Places using invariants and state equation in 10546 ms returned []
Implicit Place search using SMT with State Equation took 22342 ms to find 0 implicit places.
[2024-05-31 23:57:32] [INFO ] Redundant transitions in 51 ms returned []
Running 1668 sub problems to find dead transitions.
[2024-05-31 23:57:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1892 variables, 1892/1892 constraints. Problems are: Problem set: 0 solved, 1668 unsolved
SMT process timed out in 30806ms, After SMT, problems are : Problem set: 0 solved, 1668 unsolved
Search for dead transitions found 0 dead transitions in 30826ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 53311 ms. Remains : 1892/1892 places, 1672/1672 transitions.
Treatment of property Echo-PT-d02r15-LTLCardinality-12 finished in 132368 ms.
[2024-05-31 23:58:03] [INFO ] Flatten gal took : 160 ms
[2024-05-31 23:58:03] [INFO ] Export to MCC of 5 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 4 ms.
[2024-05-31 23:58:03] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1907 places, 1674 transitions and 8881 arcs took 46 ms.
Total runtime 1317930 ms.
There are residual formulas that ITS could not solve within timeout

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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
mcc2024

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="Echo-PT-d02r15"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is Echo-PT-d02r15, 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 r492-smll-171636266100091"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d02r15.tgz
mv Echo-PT-d02r15 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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;