Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r472-tajo-171620398800092.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is BridgeAndVehicles-COL-V50P50N10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r472-tajo-171620398800092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 8.4K Apr 13 02:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Apr 13 02:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Apr 13 02:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Apr 13 02:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 22 14:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 22 14:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Apr 13 02:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Apr 13 02:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Apr 13 02:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Apr 13 02:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 42K 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 BridgeAndVehicles-COL-V50P50N10-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V50P50N10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717218715887

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V50P50N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:11:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 05:11:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:11:57] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-06-01 05:11:57] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 05:11:57] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 474 ms
[2024-06-01 05:11:57] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 128 PT places and 114798.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
[2024-06-01 05:11:57] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 3 ms.
[2024-06-01 05:11:57] [INFO ] Skeletonized 10 HLPN properties in 1 ms. Removed 6 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Remains 4 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
RANDOM walk for 389 steps (0 resets) in 12 ms. (29 steps per ms) remains 0/4 properties
[2024-06-01 05:11:57] [INFO ] Flatten gal took : 10 ms
[2024-06-01 05:11:57] [INFO ] Flatten gal took : 2 ms
Arc [1:1*[(MOD (ADD $cA 1) 51)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 51) 51) 51)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2024-06-01 05:11:57] [INFO ] Unfolded HLPN to a Petri net with 128 places and 1328 transitions 10010 arcs in 73 ms.
[2024-06-01 05:11:58] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 125 out of 128 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 126 transition count 1328
Applied a total of 2 rules in 61 ms. Remains 126 /128 variables (removed 2) and now considering 1328/1328 (removed 0) transitions.
Running 1325 sub problems to find dead transitions.
[2024-06-01 05:11:58] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2024-06-01 05:11:58] [INFO ] Computed 5 invariants in 9 ms
[2024-06-01 05:11:58] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1325 unsolved
[2024-06-01 05:12:10] [INFO ] Deduced a trap composed of 5 places in 186 ms of which 33 ms to minimize.
[2024-06-01 05:12:16] [INFO ] Deduced a trap composed of 15 places in 164 ms of which 1 ms to minimize.
Problem TDEAD728 is UNSAT
Problem TDEAD729 is UNSAT
Problem TDEAD730 is UNSAT
Problem TDEAD731 is UNSAT
Problem TDEAD732 is UNSAT
Problem TDEAD733 is UNSAT
Problem TDEAD734 is UNSAT
Problem TDEAD735 is UNSAT
Problem TDEAD736 is UNSAT
Problem TDEAD737 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD739 is UNSAT
Problem TDEAD740 is UNSAT
Problem TDEAD741 is UNSAT
Problem TDEAD742 is UNSAT
Problem TDEAD743 is UNSAT
Problem TDEAD744 is UNSAT
Problem TDEAD745 is UNSAT
Problem TDEAD746 is UNSAT
Problem TDEAD747 is UNSAT
Problem TDEAD748 is UNSAT
Problem TDEAD749 is UNSAT
Problem TDEAD750 is UNSAT
Problem TDEAD751 is UNSAT
Problem TDEAD752 is UNSAT
Problem TDEAD753 is UNSAT
Problem TDEAD754 is UNSAT
Problem TDEAD755 is UNSAT
Problem TDEAD756 is UNSAT
Problem TDEAD757 is UNSAT
Problem TDEAD758 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD760 is UNSAT
Problem TDEAD761 is UNSAT
Problem TDEAD762 is UNSAT
Problem TDEAD763 is UNSAT
Problem TDEAD764 is UNSAT
Problem TDEAD765 is UNSAT
Problem TDEAD766 is UNSAT
Problem TDEAD767 is UNSAT
Problem TDEAD768 is UNSAT
Problem TDEAD769 is UNSAT
Problem TDEAD770 is UNSAT
Problem TDEAD771 is UNSAT
Problem TDEAD772 is UNSAT
Problem TDEAD773 is UNSAT
Problem TDEAD774 is UNSAT
Problem TDEAD775 is UNSAT
Problem TDEAD776 is UNSAT
Problem TDEAD777 is UNSAT
[2024-06-01 05:12:19] [INFO ] Deduced a trap composed of 14 places in 124 ms of which 2 ms to minimize.
Problem TDEAD178 is UNSAT
Problem TDEAD179 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD185 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD188 is UNSAT
Problem TDEAD189 is UNSAT
Problem TDEAD190 is UNSAT
Problem TDEAD191 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD227 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 3/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/376 variables, and 8 constraints, problems are : Problem set: 100 solved, 1225 unsolved in 20095 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/126 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1325/1325 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 100 solved, 1225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 5/5 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 3/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 100 solved, 1225 unsolved
Problem TDEAD50 is UNSAT
Problem TDEAD155 is UNSAT
At refinement iteration 3 (OVERLAPS) 250/376 variables, 126/134 constraints. Problems are: Problem set: 102 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/376 variables, 22/156 constraints. Problems are: Problem set: 102 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 376/376 variables, and 1379 constraints, problems are : Problem set: 102 solved, 1223 unsolved in 21528 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 126/126 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1223/1325 constraints, Known Traps: 3/3 constraints]
After SMT, in 48439ms problems are : Problem set: 102 solved, 1223 unsolved
Search for dead transitions found 102 dead transitions in 48487ms
Found 102 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 102 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 102 transitions.
[2024-06-01 05:12:46] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-06-01 05:12:46] [INFO ] Computed 7 invariants in 5 ms
[2024-06-01 05:12:46] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-06-01 05:12:46] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-06-01 05:12:46] [INFO ] Invariant cache hit.
[2024-06-01 05:12:47] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:12:47] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 126/128 places, 1226/1328 transitions.
Applied a total of 0 rules in 10 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 48784 ms. Remains : 126/128 places, 1226/1328 transitions.
Support contains 125 out of 126 places after structural reductions.
[2024-06-01 05:12:47] [INFO ] Flatten gal took : 166 ms
[2024-06-01 05:12:47] [INFO ] Flatten gal took : 118 ms
[2024-06-01 05:12:48] [INFO ] Input system was already deterministic with 1226 transitions.
Reduction of identical properties reduced properties to check from 14 to 13
RANDOM walk for 34079 steps (76 resets) in 2733 ms. (12 steps per ms) remains 0/13 properties
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-07 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 109 stabilizing places and 202 stable transitions
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(p0))&&(G(p1) U p2))))'
Support contains 115 out of 126 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 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 244 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:12:50] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-06-01 05:12:50] [INFO ] Computed 7 invariants in 12 ms
[2024-06-01 05:12:50] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:13:00] [INFO ] Deduced a trap composed of 5 places in 145 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 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 Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20053 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44738ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44756ms
[2024-06-01 05:13:34] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:13:34] [INFO ] Invariant cache hit.
[2024-06-01 05:13:35] [INFO ] Implicit Places using invariants in 89 ms returned [53]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 94 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 94 ms. Remains 124 /124 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 45192 ms. Remains : 124/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 340 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-00
Stuttering criterion allowed to conclude after 422 steps with 0 reset in 26 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-00 finished in 45656 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(p0) U X(p1)))'
Support contains 65 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 23 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:13:35] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:13:35] [INFO ] Invariant cache hit.
[2024-06-01 05:13:35] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:13:44] [INFO ] Deduced a trap composed of 5 places in 157 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20049 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20044 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44640ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44661ms
[2024-06-01 05:14:20] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:14:20] [INFO ] Invariant cache hit.
[2024-06-01 05:14:20] [INFO ] Implicit Places using invariants in 148 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 152 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 8 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44850 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 167 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 3301 ms.
Product exploration explored 100000 steps with 50000 reset in 3352 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (F (OR (G p1) (G (NOT 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 9 factoid took 25 ms. Reduced automaton from 5 states, 9 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-01 finished in 51777 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 55 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 142 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:14:27] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:14:27] [INFO ] Invariant cache hit.
[2024-06-01 05:14:27] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:14:36] [INFO ] Deduced a trap composed of 5 places in 145 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 1222/1375 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20041 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45104ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45118ms
[2024-06-01 05:15:12] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:15:12] [INFO ] Invariant cache hit.
[2024-06-01 05:15:12] [INFO ] Implicit Places using invariants in 251 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 254 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 105 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 45625 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 59 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-04
Product exploration explored 100000 steps with 236 reset in 869 ms.
Product exploration explored 100000 steps with 236 reset in 721 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 83 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 46 ms :[(NOT p0)]
RANDOM walk for 702 steps (0 resets) in 9 ms. (70 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 118 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 46 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
[2024-06-01 05:15:14] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 05:15:15] [INFO ] Computed 5 invariants in 5 ms
[2024-06-01 05:15:15] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:15:15] [INFO ] [Real]Absence check using state equation in 197 ms returned sat
[2024-06-01 05:15:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:15:16] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:15:16] [INFO ] [Nat]Absence check using state equation in 204 ms returned sat
[2024-06-01 05:15:16] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:15:16] [INFO ] [Nat]Added 20 Read/Feed constraints in 59 ms returned sat
[2024-06-01 05:15:17] [INFO ] Deduced a trap composed of 5 places in 226 ms of which 2 ms to minimize.
[2024-06-01 05:15:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 359 ms
[2024-06-01 05:15:17] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 88 ms.
[2024-06-01 05:15:17] [INFO ] Added : 12 causal constraints over 3 iterations in 324 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 55 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 115 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:15:17] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:15:17] [INFO ] Invariant cache hit.
[2024-06-01 05:15:17] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:15:26] [INFO ] Deduced a trap composed of 5 places in 170 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20109 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45205ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45220ms
[2024-06-01 05:16:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:16:03] [INFO ] Invariant cache hit.
[2024-06-01 05:16:03] [INFO ] Implicit Places using invariants in 186 ms returned []
[2024-06-01 05:16:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:16:03] [INFO ] Invariant cache hit.
[2024-06-01 05:16:03] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:16:03] [INFO ] Implicit Places using invariants and state equation in 458 ms returned []
Implicit Place search using SMT with State Equation took 645 ms to find 0 implicit places.
[2024-06-01 05:16:03] [INFO ] Redundant transitions in 100 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:16:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:16:03] [INFO ] Invariant cache hit.
[2024-06-01 05:16:03] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:16:11] [INFO ] Deduced a trap composed of 5 places in 141 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 64084ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64099ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110193 ms. Remains : 123/123 places, 1225/1225 transitions.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 100 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 36 ms :[(NOT p0)]
RANDOM walk for 716 steps (0 resets) in 10 ms. (65 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 99 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 28 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
[2024-06-01 05:17:08] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:17:08] [INFO ] Invariant cache hit.
[2024-06-01 05:17:08] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:17:08] [INFO ] [Real]Absence check using state equation in 164 ms returned sat
[2024-06-01 05:17:08] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:17:09] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-06-01 05:17:09] [INFO ] [Nat]Absence check using state equation in 204 ms returned sat
[2024-06-01 05:17:09] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:17:09] [INFO ] [Nat]Added 20 Read/Feed constraints in 27 ms returned sat
[2024-06-01 05:17:09] [INFO ] Deduced a trap composed of 5 places in 186 ms of which 2 ms to minimize.
[2024-06-01 05:17:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 279 ms
[2024-06-01 05:17:10] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 59 ms.
[2024-06-01 05:17:10] [INFO ] Added : 12 causal constraints over 4 iterations in 273 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Product exploration explored 100000 steps with 236 reset in 928 ms.
Product exploration explored 100000 steps with 236 reset in 762 ms.
Support contains 55 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 80 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:17:12] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:17:12] [INFO ] Invariant cache hit.
[2024-06-01 05:17:12] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:17:21] [INFO ] Deduced a trap composed of 5 places in 121 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20356 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45365ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45380ms
[2024-06-01 05:17:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:17:57] [INFO ] Invariant cache hit.
[2024-06-01 05:17:57] [INFO ] Implicit Places using invariants in 194 ms returned []
[2024-06-01 05:17:57] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:17:57] [INFO ] Invariant cache hit.
[2024-06-01 05:17:57] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:17:58] [INFO ] Implicit Places using invariants and state equation in 367 ms returned []
Implicit Place search using SMT with State Equation took 575 ms to find 0 implicit places.
[2024-06-01 05:17:58] [INFO ] Redundant transitions in 21 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:17:58] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:17:58] [INFO ] Invariant cache hit.
[2024-06-01 05:17:58] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:18:07] [INFO ] Deduced a trap composed of 5 places in 120 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 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 Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 64638ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 64652ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 110719 ms. Remains : 123/123 places, 1225/1225 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-04 finished in 275706 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(!p0)||F(p1))))'
Support contains 105 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 11 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:19:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-06-01 05:19:03] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 05:19:03] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:19:12] [INFO ] Deduced a trap composed of 5 places in 164 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20253 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45625ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45639ms
[2024-06-01 05:19:48] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:19:48] [INFO ] Invariant cache hit.
[2024-06-01 05:19:48] [INFO ] Implicit Places using invariants in 152 ms returned [53]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 155 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 5 ms. Remains 124 /124 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45823 ms. Remains : 124/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-05 finished in 45947 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 3 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 115 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:19:49] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:19:49] [INFO ] Invariant cache hit.
[2024-06-01 05:19:49] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:19:58] [INFO ] Deduced a trap composed of 5 places in 149 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20024 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20264 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 44921ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 44939ms
[2024-06-01 05:20:34] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:20:34] [INFO ] Invariant cache hit.
[2024-06-01 05:20:34] [INFO ] Implicit Places using invariants in 267 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 269 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 97 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 45427 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-08
Product exploration explored 100000 steps with 1673 reset in 396 ms.
Product exploration explored 100000 steps with 1676 reset in 379 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 104 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)]
RANDOM walk for 170 steps (0 resets) in 4 ms. (34 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 101 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 86 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
[2024-06-01 05:20:35] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-06-01 05:20:35] [INFO ] Computed 5 invariants in 8 ms
[2024-06-01 05:20:35] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:20:36] [INFO ] [Real]Absence check using state equation in 190 ms returned sat
[2024-06-01 05:20:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:20:36] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:20:36] [INFO ] [Nat]Absence check using state equation in 144 ms returned sat
[2024-06-01 05:20:36] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:20:36] [INFO ] [Nat]Added 20 Read/Feed constraints in 66 ms returned sat
[2024-06-01 05:20:36] [INFO ] Deduced a trap composed of 5 places in 231 ms of which 1 ms to minimize.
[2024-06-01 05:20:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 304 ms
[2024-06-01 05:20:36] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 47 ms.
[2024-06-01 05:20:37] [INFO ] Added : 10 causal constraints over 3 iterations in 221 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 101 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:20:37] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:20:37] [INFO ] Invariant cache hit.
[2024-06-01 05:20:37] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:20:45] [INFO ] Deduced a trap composed of 5 places in 151 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20025 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20335 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45224ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45238ms
[2024-06-01 05:21:22] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:21:22] [INFO ] Invariant cache hit.
[2024-06-01 05:21:22] [INFO ] Implicit Places using invariants in 257 ms returned []
[2024-06-01 05:21:22] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:21:22] [INFO ] Invariant cache hit.
[2024-06-01 05:21:22] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:21:23] [INFO ] Implicit Places using invariants and state equation in 543 ms returned []
Implicit Place search using SMT with State Equation took 801 ms to find 0 implicit places.
[2024-06-01 05:21:23] [INFO ] Redundant transitions in 17 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:21:23] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:21:23] [INFO ] Invariant cache hit.
[2024-06-01 05:21:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:21:31] [INFO ] Deduced a trap composed of 5 places in 157 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 65040ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65054ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 111226 ms. Remains : 123/123 places, 1225/1225 transitions.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 98 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 73 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 152 steps (0 resets) in 10 ms. (13 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 85 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 60 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
[2024-06-01 05:22:28] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:22:28] [INFO ] Invariant cache hit.
[2024-06-01 05:22:28] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2024-06-01 05:22:29] [INFO ] [Real]Absence check using state equation in 205 ms returned sat
[2024-06-01 05:22:29] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 05:22:29] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-06-01 05:22:29] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2024-06-01 05:22:29] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:22:29] [INFO ] [Nat]Added 20 Read/Feed constraints in 26 ms returned sat
[2024-06-01 05:22:29] [INFO ] Deduced a trap composed of 5 places in 213 ms of which 2 ms to minimize.
[2024-06-01 05:22:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 349 ms
[2024-06-01 05:22:29] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 51 ms.
[2024-06-01 05:22:30] [INFO ] Added : 30 causal constraints over 7 iterations in 385 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1711 reset in 417 ms.
Product exploration explored 100000 steps with 1696 reset in 422 ms.
Support contains 3 out of 123 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 68 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:22:31] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:22:31] [INFO ] Invariant cache hit.
[2024-06-01 05:22:31] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:22:40] [INFO ] Deduced a trap composed of 5 places in 136 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 123/368 variables, and 6 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/123 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20046 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45068ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45080ms
[2024-06-01 05:23:16] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:23:16] [INFO ] Invariant cache hit.
[2024-06-01 05:23:16] [INFO ] Implicit Places using invariants in 239 ms returned []
[2024-06-01 05:23:16] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:23:16] [INFO ] Invariant cache hit.
[2024-06-01 05:23:16] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-06-01 05:23:17] [INFO ] Implicit Places using invariants and state equation in 513 ms returned []
Implicit Place search using SMT with State Equation took 753 ms to find 0 implicit places.
[2024-06-01 05:23:17] [INFO ] Redundant transitions in 14 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:23:17] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:23:17] [INFO ] Invariant cache hit.
[2024-06-01 05:23:17] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:23:27] [INFO ] Deduced a trap composed of 5 places in 149 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 149 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/129 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/149 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1371 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 368/368 variables, and 1371 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 66183ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 66199ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 112128 ms. Remains : 123/123 places, 1225/1225 transitions.
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-08 finished in 274508 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(p0)||(F(G(!p0)) U G((!p1&&F(p2))))))'
Support contains 67 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 77 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Running 1223 sub problems to find dead transitions.
[2024-06-01 05:24:23] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-06-01 05:24:23] [INFO ] Computed 7 invariants in 4 ms
[2024-06-01 05:24:23] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
[2024-06-01 05:24:34] [INFO ] Deduced a trap composed of 5 places in 146 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 126/372 variables, and 8 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20028 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/126 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1223 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (OVERLAPS) 246/372 variables, 126/134 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/372 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/372 variables, and 1377 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 20029 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 126/126 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
After SMT, in 46172ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 46189ms
[2024-06-01 05:25:09] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-06-01 05:25:09] [INFO ] Invariant cache hit.
[2024-06-01 05:25:09] [INFO ] Implicit Places using invariants in 102 ms returned [107]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 104 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 125/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 68 ms. Remains 125 /125 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46442 ms. Remains : 125/126 places, 1226/1226 transitions.
Stuttering acceptance computed with spot in 246 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), p0, (NOT p2), (OR (NOT p2) p1), false]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-10
Stuttering criterion allowed to conclude after 424 steps with 0 reset in 4 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-10 finished in 46735 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(F(p0))&&(!p0 U (p1||G(!p0)))))'
Support contains 55 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 11 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:25:10] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-06-01 05:25:10] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 05:25:10] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:25:19] [INFO ] Deduced a trap composed of 5 places in 156 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20150 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45267ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45281ms
[2024-06-01 05:25:55] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:25:55] [INFO ] Invariant cache hit.
[2024-06-01 05:25:55] [INFO ] Implicit Places using invariants in 219 ms returned [106]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 222 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 124/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 5 ms. Remains 124 /124 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45529 ms. Remains : 124/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 120 ms :[(NOT p0), (OR (NOT p0) (NOT p1)), true, (OR (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-11
Entered a terminal (fully accepting) state of product in 104 steps with 1 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-11 finished in 45670 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))'
Support contains 63 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 123 transition count 1224
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 121 transition count 1222
Applied a total of 9 rules in 80 ms. Remains 121 /126 variables (removed 5) and now considering 1222/1226 (removed 4) transitions.
[2024-06-01 05:25:55] [INFO ] Flow matrix only has 242 transitions (discarded 980 similar events)
// Phase 1: matrix 242 rows 121 cols
[2024-06-01 05:25:55] [INFO ] Computed 6 invariants in 2 ms
[2024-06-01 05:25:56] [INFO ] Implicit Places using invariants in 158 ms returned [52, 104]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 160 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 119/126 places, 1222/1226 transitions.
Applied a total of 0 rules in 52 ms. Remains 119 /119 variables (removed 0) and now considering 1222/1222 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 292 ms. Remains : 119/126 places, 1222/1226 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-12
Stuttering criterion allowed to conclude after 311 steps with 0 reset in 18 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-12 finished in 387 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&&X(p1)) U (F(!p3)||p2))))'
Support contains 116 out of 126 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 125 transition count 1225
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 23 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:25:56] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-06-01 05:25:56] [INFO ] Computed 7 invariants in 1 ms
[2024-06-01 05:25:56] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:26:07] [INFO ] Deduced a trap composed of 5 places in 161 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 1222/1375 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 46276ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 46294ms
[2024-06-01 05:26:42] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:26:42] [INFO ] Invariant cache hit.
[2024-06-01 05:26:42] [INFO ] Implicit Places using invariants in 135 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 137 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 3 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46461 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 187 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p2) p3) (AND (NOT p1) p3)), p3]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 3110 ms.
Product exploration explored 100000 steps with 50000 reset in 2999 ms.
Computed a total of 106 stabilizing places and 201 stable transitions
Computed a total of 106 stabilizing places and 201 stable transitions
Detected a total of 106/123 stabilizing places and 201/1225 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p2) (NOT p3) p0 (NOT p1)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND (NOT p2) p3 p0))), (X (NOT (AND (NOT p2) p3 (NOT p0)))), (X (X (NOT p3))), (X (X (NOT (AND (NOT p2) p3 p0 p1)))), (X (X (NOT (OR (AND (NOT p2) p3 (NOT p0)) (AND p3 (NOT p1)))))), (X (X (NOT p1))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 17 ms. Reduced automaton from 4 states, 6 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-14 finished in 52818 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 1 out of 126 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 125 transition count 1225
Applied a total of 2 rules in 62 ms. Remains 125 /126 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-06-01 05:26:49] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 125 cols
[2024-06-01 05:26:49] [INFO ] Computed 7 invariants in 2 ms
[2024-06-01 05:26:49] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
[2024-06-01 05:26:57] [INFO ] Deduced a trap composed of 5 places in 155 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 125/370 variables, and 8 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/125 constraints, ReadFeed: 0/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1222 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/125 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (OVERLAPS) 245/370 variables, 125/133 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 20/153 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1375 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 20080 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 125/125 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1222/1222 constraints, Known Traps: 1/1 constraints]
After SMT, in 45125ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45137ms
[2024-06-01 05:27:34] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-06-01 05:27:34] [INFO ] Invariant cache hit.
[2024-06-01 05:27:34] [INFO ] Implicit Places using invariants in 326 ms returned [53, 106]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 328 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/126 places, 1225/1226 transitions.
Applied a total of 0 rules in 58 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 45590 ms. Remains : 123/126 places, 1225/1226 transitions.
Stuttering acceptance computed with spot in 55 ms :[p0]
Running random walk in product with property : BridgeAndVehicles-COL-V50P50N10-LTLFireability-15
Stuttering criterion allowed to conclude after 374 steps with 0 reset in 2 ms.
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V50P50N10-LTLFireability-15 finished in 45674 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' '!(G(F(p0)))'
[2024-06-01 05:27:35] [INFO ] Flatten gal took : 103 ms
[2024-06-01 05:27:35] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 4 ms.
[2024-06-01 05:27:35] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 126 places, 1226 transitions and 9200 arcs took 14 ms.
Total runtime 938147 ms.
There are residual formulas that ITS could not solve within timeout
Could not compute solution for formula : BridgeAndVehicles-COL-V50P50N10-LTLFireability-04
FORMULA BridgeAndVehicles-COL-V50P50N10-LTLFireability-08 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717219660622

--------------------
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 LTLFireability -timeout 360 -rebuildPNML
mcc2024
ltl formula name BridgeAndVehicles-COL-V50P50N10-LTLFireability-04
ltl formula formula --ltl=/tmp/1222/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 126 places, 1226 transitions and 9200 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.180 real 0.050 user 0.050 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1222/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1222/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1222/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1222/ltl_0_
pnml2lts-mc( 3/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
pnml2lts-mc( 1/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
pnml2lts-mc( 0/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): unaligned fastbin chunk detected
malloc_consolidate(): unaligned fastbin chunk detected
malloc_consolidate(): unaligned fastbin chunk detected
pnml2lts-mc( 2/ 4), ** error **: more than 30 predicates in buchi automaton are currently not supported
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
malloc_consolidate(): unaligned fastbin chunk detected
ltl formula name BridgeAndVehicles-COL-V50P50N10-LTLFireability-08
ltl formula formula --ltl=/tmp/1222/ltl_1_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 126 places, 1226 transitions and 9200 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.160 real 0.050 user 0.040 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1222/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1222/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1222/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1222/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 129 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 127, there are 1231 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 2/ 4): ~131 levels ~10000 states ~18872 transitions
pnml2lts-mc( 2/ 4): ~131 levels ~20000 states ~74396 transitions
pnml2lts-mc( 2/ 4): ~131 levels ~40000 states ~182464 transitions
pnml2lts-mc( 2/ 4): ~131 levels ~80000 states ~407548 transitions
pnml2lts-mc( 2/ 4): ~131 levels ~160000 states ~710672 transitions
pnml2lts-mc( 2/ 4): ~131 levels ~320000 states ~1471580 transitions
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Accepting cycle FOUND at depth ~422!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 424205
pnml2lts-mc( 0/ 4): unique states count: 424982
pnml2lts-mc( 0/ 4): unique transitions count: 2307314
pnml2lts-mc( 0/ 4): - self-loop count: 1
pnml2lts-mc( 0/ 4): - claim dead count: 1889276
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 429366
pnml2lts-mc( 0/ 4): - cum. max stack depth: 882
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 429366 states 2329468 transitions, fanout: 5.425
pnml2lts-mc( 0/ 4): Total exploration time 4.260 sec (4.260 sec minimum, 4.260 sec on average)
pnml2lts-mc( 0/ 4): States per second: 100790, Transitions per second: 546823
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 4.1MB, 10.1 B/state, compr.: 2.0%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 1.0%/1.0%
pnml2lts-mc( 0/ 4): Stored 1256 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 4.1MB (~256.0MB paged-in)

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="BridgeAndVehicles-COL-V50P50N10"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is BridgeAndVehicles-COL-V50P50N10, 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 r472-tajo-171620398800092"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P50N10.tgz
mv BridgeAndVehicles-COL-V50P50N10 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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