Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r156-tall-174881253500156.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is Philosophers-PT-000500, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-tall-174881253500156
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 23M
-rw-r--r-- 1 mcc users 661K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 3.5M May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 303K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.9M May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 255K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 982K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 182K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 863K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.3M May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 6.7M May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 658K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 4.1M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 46K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 130K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.1M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Philosophers-PT-000500-LTLFireability-00
FORMULA_NAME Philosophers-PT-000500-LTLFireability-01
FORMULA_NAME Philosophers-PT-000500-LTLFireability-02
FORMULA_NAME Philosophers-PT-000500-LTLFireability-03
FORMULA_NAME Philosophers-PT-000500-LTLFireability-04
FORMULA_NAME Philosophers-PT-000500-LTLFireability-05
FORMULA_NAME Philosophers-PT-000500-LTLFireability-06
FORMULA_NAME Philosophers-PT-000500-LTLFireability-07
FORMULA_NAME Philosophers-PT-000500-LTLFireability-08
FORMULA_NAME Philosophers-PT-000500-LTLFireability-09
FORMULA_NAME Philosophers-PT-000500-LTLFireability-10
FORMULA_NAME Philosophers-PT-000500-LTLFireability-11
FORMULA_NAME Philosophers-PT-000500-LTLFireability-12
FORMULA_NAME Philosophers-PT-000500-LTLFireability-13
FORMULA_NAME Philosophers-PT-000500-LTLFireability-14
FORMULA_NAME Philosophers-PT-000500-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748870386157

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-PT-000500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-02 13:19:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 13:19:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 13:19:47] [INFO ] Load time of PNML (sax parser for PT used): 189 ms
[2025-06-02 13:19:47] [INFO ] Transformed 2500 places.
[2025-06-02 13:19:47] [INFO ] Transformed 2500 transitions.
[2025-06-02 13:19:47] [INFO ] Found NUPN structural information;
[2025-06-02 13:19:47] [INFO ] Parsed PT model containing 2500 places and 2500 transitions and 8000 arcs in 310 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 53 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA Philosophers-PT-000500-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 2500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 31 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
// Phase 1: matrix 2500 rows 2500 cols
[2025-06-02 13:19:48] [INFO ] Computed 1000 invariants in 38 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:19:49] [INFO ] Implicit Places using invariants in 795 ms returned []
[2025-06-02 13:19:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:19:50] [INFO ] Implicit Places using invariants and state equation in 1503 ms returned []
Implicit Place search using SMT with State Equation took 2330 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:19:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s477 1.0)
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(s1132 1.0)
(s1133 1.0)
(s1134 1.0)
(s1135 1.0)
(s1136 1.0)
(s1137 1.0)
(s1138 1.0)
(s1139 1.0)
(s1140 1.0)
(s1141 1.0)
(s1142 1.0)
(s1143 1.0)
(s1144 1.0)
(s1145 1.0)
(s1146 1.0)
(s1147 1.0)
(s1148 1.0)
(s1149 1.0)
(s1150 1.0)
(s1151 1.0)
(s1152 1.0)
(s1153 1.0)
(s1154 1.0)
(s1155 1.0)
(s1156 1.0)
(s1157 1.0)
(s1158 1.0)
(s1159 1.0)
(s1160 1.0)
(s1161 1.0)
(s1162 1.0)
(s1163 1.0)
(s1164 1.0)
(s1165 1.0)
(s1166 1.0)
(s1167 1.0)
(s1168 1.0)
(s1169 1.0)
(s1170 1.0)
(s1171 1.0)
(s1172 1.0)
(s1173 1.0)
(s1174 1.0)
(s1175 1.0)
(s1176 1.0)
(s1177 1.0)
(s1178 1.0)
(s1179 1.0)
(s1180 1.0)
(s1181 1.0)
(s1182 1.0)
(s1183 1.0)
(s1184 1.0)
(s1185 1.0)
(s1186 1.0)
(s1187 1.0)
(s1188 1.0)
(s1189 1.0)
(s1190 1.0)
(s1191 1.0)
(s1192 1.0)
(s1193 1.0)
(s1194 1.0)
(s1195 1.0)
(s1196 1.0)
(s1197 1.0)
(s1198 1.0)
(s1199 1.0)
(s1200 1.0)
(s1201 1.0)
(s1202 1.0)
(s1203 1.0)
(s1204 1.0)
(s1205 1.0)
(s1206 1.0)
(s1207 1.0)
(s1208 1.0)
(s1209 1.0)
(s1210 1.0)
(s1211 1.0)
(s1212 1.0)
(s1213 1.0)
(s1214 1.0)
(s1215 1.0)
(s1216 1.0)
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(s1218 1.0)
(s1219 1.0)
(s1220 1.0)
(s1221 1.0)
(s1222 1.0)
(s1223 1.0)
(s1224 1.0)
(s1225 1.0)
(s1226 1.0)
(s1227 1.0)
(s1228 1.0)
(s1229 1.0)
(s1230 1.0)
(s1231 1.0)
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(s1233 1.0)
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(s1235 1.0)
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(s1300 1.0)
(s1301 1.0)
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(s1304 1.0)
(s1305 1.0)
(s1306 1.0)
(s1307 1.0)
(s1308 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30601ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30622ms
Finished structural reductions in LTL mode , in 1 iterations and 33009 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Support contains 2500 out of 2500 places after structural reductions.
[2025-06-02 13:20:21] [INFO ] Flatten gal took : 280 ms
[2025-06-02 13:20:22] [INFO ] Flatten gal took : 207 ms
[2025-06-02 13:20:23] [INFO ] Input system was already deterministic with 2500 transitions.
Reduction of identical properties reduced properties to check from 27 to 25
RANDOM walk for 40000 steps (8 resets) in 4369 ms. (9 steps per ms) remains 3/25 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4054 ms. (9 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4116 ms. (9 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4561 ms. (8 steps per ms) remains 3/3 properties
[2025-06-02 13:20:28] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1500 variables, 1500/1500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1500 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1000/2500 variables, 1000/2500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2500/5000 variables, and 3500 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4411 ms.
Refiners :[Domain max(s): 2500/2500 constraints, Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1500 variables, 1500/1500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1500 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2500/5000 variables, and 2500 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3600 ms.
Refiners :[Domain max(s): 1500/2500 constraints, Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8056ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 170 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 2500/2500 places, 2500/2500 transitions.
RANDOM walk for 40000 steps (8 resets) in 2558 ms. (15 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4998 ms. (8 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4180 ms. (9 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 4195 ms. (9 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 290837 steps, run timeout after 12009 ms. (steps per millisecond=24 ) properties seen :0 out of 3
Probabilistic random walk after 290837 steps, saw 290324 distinct states, run finished after 12013 ms. (steps per millisecond=24 ) properties seen :0
[2025-06-02 13:20:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1500 variables, 1500/1500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1500 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1000/2500 variables, 1000/2500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2500/5000 variables, and 3500 constraints, problems are : Problem set: 0 solved, 3 unsolved in 31735 ms.
Refiners :[Domain max(s): 2500/2500 constraints, Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1500 variables, 1500/1500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1500 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1000/2500 variables, 1000/2500 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2500/5000 variables, and 3500 constraints, problems are : Problem set: 0 solved, 3 unsolved in 36391 ms.
Refiners :[Domain max(s): 2500/2500 constraints, Positive P Invariants (semi-flows): 1000/1000 constraints, State Equation: 0/2500 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 68158ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 64 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 131 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:22:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:22:02] [INFO ] Implicit Places using invariants in 1114 ms returned []
[2025-06-02 13:22:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:22:04] [INFO ] Implicit Places using invariants and state equation in 2146 ms returned []
Implicit Place search using SMT with State Equation took 3265 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:22:04] [INFO ] Redundant transitions in 112 ms returned []
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:22:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30472ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30476ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34000 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0&&(X(!(G(p0) U p1))||X(p1)))))'
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 18 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:22:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:22:36] [INFO ] Implicit Places using invariants in 1008 ms returned []
[2025-06-02 13:22:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:22:38] [INFO ] Implicit Places using invariants and state equation in 2097 ms returned []
Implicit Place search using SMT with State Equation took 3106 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:22:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30373ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30377ms
Finished structural reductions in LTL mode , in 1 iterations and 33508 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 258 ms :[(OR (NOT p0) p1), (NOT p0), (NOT p0), true]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-00
Entered a terminal (fully accepting) state of product in 37 steps with 0 reset in 16 ms.
FORMULA Philosophers-PT-000500-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-00 finished in 33848 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(p0)))||F((!p1 U (G(!p1)||(!p1&&G(p2))))))))'
Support contains 2000 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 9 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:23:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:23:10] [INFO ] Implicit Places using invariants in 787 ms returned []
[2025-06-02 13:23:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:23:12] [INFO ] Implicit Places using invariants and state equation in 1747 ms returned []
Implicit Place search using SMT with State Equation took 2537 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:23:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30369ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30373ms
Finished structural reductions in LTL mode , in 1 iterations and 32924 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 398 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p2) (NOT p0) p1), p1, (AND (NOT p2) p1)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-01
Product exploration explored 100000 steps with 0 reset in 4648 ms.
Stack based approach found an accepted trace after 26363 steps with 0 reset with depth 26364 and stack size 3742 in 1122 ms.
FORMULA Philosophers-PT-000500-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-01 finished in 39134 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(p0))'
Support contains 1000 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 193 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:23:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:23:49] [INFO ] Implicit Places using invariants in 952 ms returned []
[2025-06-02 13:23:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:23:52] [INFO ] Implicit Places using invariants and state equation in 2086 ms returned []
Implicit Place search using SMT with State Equation took 3040 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:23:52] [INFO ] Redundant transitions in 126 ms returned []
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:23:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30359ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30362ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 33734 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 41 ms :[true, (NOT p0)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-02
Entered a terminal (fully accepting) state of product in 15704 steps with 0 reset in 420 ms.
FORMULA Philosophers-PT-000500-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-02 finished in 34228 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(X(X(p1))||G((!p0 U p1)))))'
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 28 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:24:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:24:24] [INFO ] Implicit Places using invariants in 987 ms returned []
[2025-06-02 13:24:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:24:26] [INFO ] Implicit Places using invariants and state equation in 2091 ms returned []
Implicit Place search using SMT with State Equation took 3086 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:24:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30363ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30365ms
Finished structural reductions in LTL mode , in 1 iterations and 33485 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 299 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-03
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Philosophers-PT-000500-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-03 finished in 33817 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(F(p0)) U p1) U X(p1)))'
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 22 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:24:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:24:57] [INFO ] Implicit Places using invariants in 967 ms returned []
[2025-06-02 13:24:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:24:59] [INFO ] Implicit Places using invariants and state equation in 2060 ms returned []
Implicit Place search using SMT with State Equation took 3030 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:24:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30351ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30354ms
Finished structural reductions in LTL mode , in 1 iterations and 33410 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 178 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 8076 ms.
Product exploration explored 100000 steps with 50000 reset in 8431 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X (NOT p0)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 20 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-PT-000500-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-PT-000500-LTLFireability-04 finished in 66736 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U p1)))'
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 16 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:26:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:26:04] [INFO ] Implicit Places using invariants in 754 ms returned []
[2025-06-02 13:26:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:26:06] [INFO ] Implicit Places using invariants and state equation in 1784 ms returned []
Implicit Place search using SMT with State Equation took 2540 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:26:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30350ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30352ms
Finished structural reductions in LTL mode , in 1 iterations and 32914 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 108 ms :[(NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 8018 ms.
Product exploration explored 100000 steps with 50000 reset in 8386 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 17 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-PT-000500-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-PT-000500-LTLFireability-05 finished in 66034 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||G(p1))))))'
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 16 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:27:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:27:10] [INFO ] Implicit Places using invariants in 784 ms returned []
[2025-06-02 13:27:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:27:12] [INFO ] Implicit Places using invariants and state equation in 1783 ms returned []
Implicit Place search using SMT with State Equation took 2571 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:27:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30359ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30362ms
Finished structural reductions in LTL mode , in 1 iterations and 32952 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 93 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-06
Product exploration explored 100000 steps with 5 reset in 3048 ms.
Stack based approach found an accepted trace after 83450 steps with 7 reset with depth 26372 and stack size 26368 in 2802 ms.
FORMULA Philosophers-PT-000500-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-06 finished in 38928 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U (p1||G(!p0)))||X((F(p3)||p2))))'
Support contains 1500 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 22 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:27:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:27:49] [INFO ] Implicit Places using invariants in 1005 ms returned []
[2025-06-02 13:27:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:27:51] [INFO ] Implicit Places using invariants and state equation in 2133 ms returned []
Implicit Place search using SMT with State Equation took 3149 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:27:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30356ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30358ms
Finished structural reductions in LTL mode , in 1 iterations and 33534 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 193 ms :[(NOT p3), (AND (NOT p3) (NOT p2)), (AND (NOT p3) (NOT p2) (NOT p1) p0), (AND (NOT p3) (NOT p2) (NOT p1) p0), (AND (NOT p3) (NOT p1) p0)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 9808 ms.
Product exploration timeout after 97830 steps with 48915 reset in 10001 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p3) p2 (NOT p1) p0), (X p2), (X (NOT p3)), (X (NOT (AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)))), (X (NOT (AND (NOT p1) p0 (NOT p2) (NOT p3)))), (X (NOT (AND (NOT p2) (NOT p3)))), (X p0), (X (NOT p1)), (X (X (AND (NOT p1) p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT p3))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 17 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Philosophers-PT-000500-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-PT-000500-LTLFireability-07 finished in 119867 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U p1)))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 76 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:29:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:29:50] [INFO ] Implicit Places using invariants in 1647 ms returned []
[2025-06-02 13:29:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:29:53] [INFO ] Implicit Places using invariants and state equation in 2893 ms returned []
Implicit Place search using SMT with State Equation took 4547 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:29:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30355ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30358ms
Finished structural reductions in LTL mode , in 1 iterations and 34989 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 88 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1929 steps with 950 reset in 175 ms.
FORMULA Philosophers-PT-000500-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-08 finished in 35274 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0)) U (p1||X(p0)||G(p2))))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 65 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:30:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:30:25] [INFO ] Implicit Places using invariants in 1633 ms returned []
[2025-06-02 13:30:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:30:28] [INFO ] Implicit Places using invariants and state equation in 2914 ms returned []
Implicit Place search using SMT with State Equation took 4549 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:30:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s477 1.0)
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(s908timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30356ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30360ms
Finished structural reductions in LTL mode , in 1 iterations and 34978 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 123 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-09
Product exploration explored 100000 steps with 12 reset in 2191 ms.
Stack based approach found an accepted trace after 805 steps with 0 reset with depth 806 and stack size 806 in 60 ms.
FORMULA Philosophers-PT-000500-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-09 finished in 37378 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0&&G((F(p1)&&F(G(p2)))))))'
Support contains 4 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Performed 496 Post agglomeration using F-continuation condition.Transition count delta: 496
Deduced a syphon composed of 496 places in 0 ms
Reduce places removed 496 places and 0 transitions.
Iterating global reduction 0 with 992 rules applied. Total rules applied 992 place count 2004 transition count 2004
Applied a total of 992 rules in 240 ms. Remains 2004 /2500 variables (removed 496) and now considering 2004/2500 (removed 496) transitions.
// Phase 1: matrix 2004 rows 2004 cols
[2025-06-02 13:31:01] [INFO ] Computed 1000 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:31:02] [INFO ] Implicit Places using invariants in 1433 ms returned []
[2025-06-02 13:31:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:31:06] [INFO ] Implicit Places using invariants and state equation in 3926 ms returned []
Implicit Place search using SMT with State Equation took 5362 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:31:06] [INFO ] Redundant transitions in 44 ms returned []
Running 1004 sub problems to find dead transitions.
[2025-06-02 13:31:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1504 variables, 1504/1504 constraints. Problems are: Problem set: 0 solved, 1004 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1504 variables, 500/2004 constraints. Problems are: Problem set: 0 solved, 1004 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1504/4008 variables, and 2004 constraints, problems are : Problem set: 0 solved, 1004 unsolved in 30022 ms.
Refiners :[Domain max(s): 1504/2004 constraints, Positive P Invariants (semi-flows): 500/1000 constraints, State Equation: 0/2004 constraints, PredecessorRefiner: 1004/1004 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1004 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1504 variables, 1504/1504 constraints. Problems are: Problem set: 0 solved, 1004 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1504 variables, 500/2004 constraints. Problems are: Problem set: 0 solved, 1004 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1504/4008 variables, and 2004 constraints, problems are : Problem set: 0 solved, 1004 unsolved in 30023 ms.
Refiners :[Domain max(s): 1504/2004 constraints, Positive P Invariants (semi-flows): 500/1000 constraints, State Equation: 0/2004 constraints, PredecessorRefiner: 0/1004 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60249ms problems are : Problem set: 0 solved, 1004 unsolved
Search for dead transitions found 0 dead transitions in 60251ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2004/2500 places, 2004/2500 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 65908 ms. Remains : 2004/2500 places, 2004/2500 transitions.
Stuttering acceptance computed with spot in 172 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (NOT p1), (NOT p2), (OR (NOT p1) (NOT p2)), (NOT p0)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-10
Stuttering criterion allowed to conclude after 75075 steps with 0 reset in 1303 ms.
FORMULA Philosophers-PT-000500-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-10 finished in 67407 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(p1)&&p0) U X(X(p2)))))'
Support contains 7 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 46 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
// Phase 1: matrix 2500 rows 2500 cols
[2025-06-02 13:32:08] [INFO ] Computed 1000 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:32:10] [INFO ] Implicit Places using invariants in 1680 ms returned []
[2025-06-02 13:32:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:32:13] [INFO ] Implicit Places using invariants and state equation in 2921 ms returned []
Implicit Place search using SMT with State Equation took 4605 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:32:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30360ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30362ms
Finished structural reductions in LTL mode , in 1 iterations and 35018 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 387 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), true, (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-11
Entered a terminal (fully accepting) state of product in 51405 steps with 1404 reset in 2119 ms.
FORMULA Philosophers-PT-000500-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-11 finished in 37548 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0 U !p1))&&F(p2)))'
Support contains 6 out of 2500 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Performed 494 Post agglomeration using F-continuation condition.Transition count delta: 494
Deduced a syphon composed of 494 places in 1 ms
Reduce places removed 494 places and 0 transitions.
Iterating global reduction 0 with 988 rules applied. Total rules applied 988 place count 2006 transition count 2006
Applied a total of 988 rules in 170 ms. Remains 2006 /2500 variables (removed 494) and now considering 2006/2500 (removed 494) transitions.
// Phase 1: matrix 2006 rows 2006 cols
[2025-06-02 13:32:46] [INFO ] Computed 1000 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:32:47] [INFO ] Implicit Places using invariants in 1388 ms returned []
[2025-06-02 13:32:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:32:51] [INFO ] Implicit Places using invariants and state equation in 4206 ms returned []
Implicit Place search using SMT with State Equation took 5597 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:32:51] [INFO ] Redundant transitions in 44 ms returned []
Running 1006 sub problems to find dead transitions.
[2025-06-02 13:32:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 1506/1506 constraints. Problems are: Problem set: 0 solved, 1006 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1506 variables, 500/2006 constraints. Problems are: Problem set: 0 solved, 1006 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/4012 variables, and 2006 constraints, problems are : Problem set: 0 solved, 1006 unsolved in 30026 ms.
Refiners :[Domain max(s): 1506/2006 constraints, Positive P Invariants (semi-flows): 500/1000 constraints, State Equation: 0/2006 constraints, PredecessorRefiner: 1006/1006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1006 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 1506/1506 constraints. Problems are: Problem set: 0 solved, 1006 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1506 variables, 500/2006 constraints. Problems are: Problem set: 0 solved, 1006 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/4012 variables, and 2006 constraints, problems are : Problem set: 0 solved, 1006 unsolved in 30022 ms.
Refiners :[Domain max(s): 1506/2006 constraints, Positive P Invariants (semi-flows): 500/1000 constraints, State Equation: 0/2006 constraints, PredecessorRefiner: 0/1006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60254ms problems are : Problem set: 0 solved, 1006 unsolved
Search for dead transitions found 0 dead transitions in 60255ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2006/2500 places, 2006/2500 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 66077 ms. Remains : 2006/2500 places, 2006/2500 transitions.
Stuttering acceptance computed with spot in 137 ms :[(OR (NOT p2) p1), true, p1, p1, (NOT p2)]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-13
Entered a terminal (fully accepting) state of product in 785 steps with 3 reset in 95 ms.
FORMULA Philosophers-PT-000500-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-13 finished in 66329 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U X(G(p1)))))'
Support contains 3 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 42 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
// Phase 1: matrix 2500 rows 2500 cols
[2025-06-02 13:33:52] [INFO ] Computed 1000 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:33:54] [INFO ] Implicit Places using invariants in 1660 ms returned []
[2025-06-02 13:33:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:33:56] [INFO ] Implicit Places using invariants and state equation in 2874 ms returned []
Implicit Place search using SMT with State Equation took 4536 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:33:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30398ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30401ms
Finished structural reductions in LTL mode , in 1 iterations and 34983 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 105 ms :[(NOT p1), (NOT p1), (NOT p1), true]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Philosophers-PT-000500-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-14 finished in 35112 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F(p0)))&&(X(X(p1))||G(p2))))'
Support contains 6 out of 2500 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2500/2500 places, 2500/2500 transitions.
Applied a total of 0 rules in 36 ms. Remains 2500 /2500 variables (removed 0) and now considering 2500/2500 (removed 0) transitions.
[2025-06-02 13:34:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:34:29] [INFO ] Implicit Places using invariants in 1636 ms returned []
[2025-06-02 13:34:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:34:32] [INFO ] Implicit Places using invariants and state equation in 2981 ms returned []
Implicit Place search using SMT with State Equation took 4618 ms to find 0 implicit places.
Running 1500 sub problems to find dead transitions.
[2025-06-02 13:34:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s477 1.0)
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(s926 timeout
1.0)
(s927 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 1500 unsolved
SMT process timed out in 30363ms, After SMT, problems are : Problem set: 0 solved, 1500 unsolved
Search for dead transitions found 0 dead transitions in 30366ms
Finished structural reductions in LTL mode , in 1 iterations and 35024 ms. Remains : 2500/2500 places, 2500/2500 transitions.
Stuttering acceptance computed with spot in 251 ms :[(NOT p2), (OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : Philosophers-PT-000500-LTLFireability-15
Entered a terminal (fully accepting) state of product in 333 steps with 0 reset in 38 ms.
FORMULA Philosophers-PT-000500-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-PT-000500-LTLFireability-15 finished in 35337 ms.
All properties solved by simple procedures.
Total runtime 915424 ms.

BK_STOP 1748871302814

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Philosophers-PT-000500"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Philosophers-PT-000500, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r156-tall-174881253500156"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-000500.tgz
mv Philosophers-PT-000500 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;