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.r047-tajo-171620397400069.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is BridgeAndVehicles-COL-V50P20N10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397400069
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 436K
-rw-r--r-- 1 mcc users 7.7K Apr 13 00:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Apr 13 00:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Apr 13 00:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Apr 13 00:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.4K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Apr 13 01:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K Apr 13 01:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Apr 13 01:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 13 01:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:29 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-00
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-01
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-02
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-03
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-04
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-05
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-06
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-07
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-08
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-09
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-10
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-11
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-12
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-13
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-14
FORMULA_NAME BridgeAndVehicles-COL-V50P20N10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716276643347

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V50P20N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 07:30:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-21 07:30:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 07:30:44] [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.
[2024-05-21 07:30:45] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-21 07:30:45] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 538 ms
[2024-05-21 07:30:45] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 128 PT places and 114798.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
Reduction of identical properties reduced properties to check from 16 to 10
[2024-05-21 07:30:45] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 3 ms.
[2024-05-21 07:30:45] [INFO ] Skeletonized 10 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
// Phase 1: matrix 10 rows 12 cols
[2024-05-21 07:30:45] [INFO ] Computed 4 invariants in 5 ms
Current structural bounds on expressions (after Invariants on skeleton) : Max Seen:[0, 50, 20, 1, 0, 0, 0, 1, 50, 0] Max Struct:[50, 50, 20, 1, 50, 20, 20, 1, 50, 1]
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-11 50 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-02 20 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-09 50 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-01 50 TECHNIQUES TOPOLOGICAL CPN_APPROX INITIAL_STATE
[2024-05-21 07:30:45] [INFO ] Invariant cache hit.
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned sat
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-21 07:30:45] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-21 07:30:45] [INFO ] Added : 2 causal constraints over 1 iterations in 20 ms. Result :sat
Minimization took 11 ms.
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-21 07:30:45] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-21 07:30:45] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 3 ms.
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-21 07:30:45] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-21 07:30:45] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 4 ms.
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using 4 positive place invariants in 8 ms returned sat
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-21 07:30:45] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-21 07:30:45] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 3 ms.
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2024-05-21 07:30:45] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-21 07:30:45] [INFO ] Computed and/alt/rep : 6/9/6 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-21 07:30:45] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 3 ms.
Current structural bounds on expressions (after SMT on skeleton) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[50, 50, 20, 20, 1]
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
[2024-05-21 07:30:46] [INFO ] Unfolded HLPN to a Petri net with 128 places and 1328 transitions 10010 arcs in 82 ms.
[2024-05-21 07:30:46] [INFO ] Unfolded 5 HLPN properties in 0 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[50, 50, 20, 20, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[50, 50, 20, 20, 1]
[2024-05-21 07:30:46] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 128 cols
[2024-05-21 07:30:46] [INFO ] Computed 7 invariants in 21 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[50, 50, 20, 20, 1]
RANDOM walk for 10000 steps (22 resets) in 259 ms. (38 steps per ms)
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-04 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-15 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-00 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (24 resets) in 182 ms. (163 steps per ms)
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-08 50 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-05 50 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[20, 20]
[2024-05-21 07:30:46] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
[2024-05-21 07:30:46] [INFO ] Invariant cache hit.
[2024-05-21 07:30:46] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2024-05-21 07:30:46] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-21 07:30:46] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-05-21 07:30:46] [INFO ] [Real]Added 22 Read/Feed constraints in 21 ms returned sat
[2024-05-21 07:30:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:30:46] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2024-05-21 07:30:46] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2024-05-21 07:30:46] [INFO ] [Nat]Added 22 Read/Feed constraints in 26 ms returned sat
[2024-05-21 07:30:47] [INFO ] Deduced a trap composed of 6 places in 244 ms of which 58 ms to minimize.
[2024-05-21 07:30:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 304 ms
[2024-05-21 07:30:47] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 97 ms.
[2024-05-21 07:30:47] [INFO ] Added : 11 causal constraints over 10 iterations in 299 ms. Result :sat
Minimization took 170 ms.
[2024-05-21 07:30:47] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2024-05-21 07:30:47] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2024-05-21 07:30:47] [INFO ] [Real]Added 22 Read/Feed constraints in 14 ms returned sat
[2024-05-21 07:30:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:30:47] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2024-05-21 07:30:48] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2024-05-21 07:30:48] [INFO ] [Nat]Added 22 Read/Feed constraints in 31 ms returned sat
[2024-05-21 07:30:48] [INFO ] Computed and/alt/rep : 110/218/110 causal constraints (skipped 137 transitions) in 74 ms.
[2024-05-21 07:30:48] [INFO ] Added : 10 causal constraints over 2 iterations in 195 ms. Result :sat
Minimization took 181 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[20, 20]
Support contains 2 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Graph (complete) has 1222 edges and 128 vertex of which 126 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.9 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 198 ms. Remains 126 /128 variables (removed 2) and now considering 1328/1328 (removed 0) transitions.
Running 1325 sub problems to find dead transitions.
[2024-05-21 07:30:49] [INFO ] Flow matrix only has 250 transitions (discarded 1078 similar events)
// Phase 1: matrix 250 rows 126 cols
[2024-05-21 07:30:49] [INFO ] Computed 5 invariants in 6 ms
[2024-05-21 07:30:49] [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
[2024-05-21 07:31:00] [INFO ] Deduced a trap composed of 5 places in 176 ms of which 1 ms to minimize.
[2024-05-21 07:31:05] [INFO ] Deduced a trap composed of 15 places in 127 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
[2024-05-21 07:31:09] [INFO ] Deduced a trap composed of 14 places in 129 ms of which 1 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 20058 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 21891 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 48239ms problems are : Problem set: 102 solved, 1223 unsolved
Search for dead transitions found 102 dead transitions in 48274ms
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.
Starting structural reductions in REACHABILITY mode, iteration 1 : 126/128 places, 1226/1328 transitions.
Applied a total of 0 rules in 81 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48576 ms. Remains : 126/128 places, 1226/1328 transitions.
[2024-05-21 07:31:37] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 126 cols
[2024-05-21 07:31:37] [INFO ] Computed 7 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[20, 20]
RANDOM walk for 1000000 steps (2273 resets) in 4156 ms. (240 steps per ms)
BEST_FIRST walk for 2000000 steps (1679 resets) in 3238 ms. (617 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[20, 20]
[2024-05-21 07:31:44] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:31:44] [INFO ] Invariant cache hit.
[2024-05-21 07:31:44] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2024-05-21 07:31:44] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-21 07:31:45] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2024-05-21 07:31:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:31:45] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2024-05-21 07:31:45] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-21 07:31:45] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2024-05-21 07:31:45] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:31:45] [INFO ] [Nat]Added 20 Read/Feed constraints in 18 ms returned sat
[2024-05-21 07:31:45] [INFO ] Deduced a trap composed of 5 places in 196 ms of which 1 ms to minimize.
[2024-05-21 07:31:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 217 ms
[2024-05-21 07:31:45] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 38 ms.
[2024-05-21 07:31:45] [INFO ] Added : 3 causal constraints over 2 iterations in 96 ms. Result :sat
Minimization took 104 ms.
[2024-05-21 07:31:45] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2024-05-21 07:31:45] [INFO ] [Real]Absence check using 6 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-21 07:31:45] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2024-05-21 07:31:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:31:45] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2024-05-21 07:31:45] [INFO ] [Nat]Absence check using 6 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-21 07:31:45] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2024-05-21 07:31:45] [INFO ] [Nat]Added 20 Read/Feed constraints in 26 ms returned sat
[2024-05-21 07:31:46] [INFO ] Deduced a trap composed of 5 places in 205 ms of which 1 ms to minimize.
[2024-05-21 07:31:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 224 ms
[2024-05-21 07:31:46] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 38 ms.
[2024-05-21 07:31:46] [INFO ] Added : 10 causal constraints over 2 iterations in 135 ms. Result :sat
Minimization took 115 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[20, 20]
Support contains 2 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 56 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 126/126 places, 1226/1226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 56 ms. Remains 126 /126 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
[2024-05-21 07:31:46] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:31:46] [INFO ] Invariant cache hit.
[2024-05-21 07:31:47] [INFO ] Implicit Places using invariants in 379 ms returned [53, 107]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 385 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 124/126 places, 1226/1226 transitions.
Applied a total of 0 rules in 52 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 496 ms. Remains : 124/126 places, 1226/1226 transitions.
[2024-05-21 07:31:47] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2024-05-21 07:31:47] [INFO ] Computed 5 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10] Max Struct:[20, 20]
RANDOM walk for 1000000 steps (2273 resets) in 3715 ms. (269 steps per ms)
BEST_FIRST walk for 2000001 steps (1679 resets) in 2759 ms. (724 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10] Max Struct:[20, 20]
[2024-05-21 07:31:53] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:31:53] [INFO ] Invariant cache hit.
[2024-05-21 07:31:53] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-05-21 07:31:53] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2024-05-21 07:31:53] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:31:53] [INFO ] [Real]Added 20 Read/Feed constraints in 11 ms returned sat
[2024-05-21 07:31:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:31:53] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-05-21 07:31:53] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2024-05-21 07:31:54] [INFO ] [Nat]Added 20 Read/Feed constraints in 19 ms returned sat
[2024-05-21 07:31:54] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 29 ms.
[2024-05-21 07:31:54] [INFO ] Added : 12 causal constraints over 10 iterations in 189 ms. Result :sat
Minimization took 114 ms.
[2024-05-21 07:31:54] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:31:54] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2024-05-21 07:31:54] [INFO ] [Real]Added 20 Read/Feed constraints in 11 ms returned sat
[2024-05-21 07:31:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:31:54] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2024-05-21 07:31:54] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2024-05-21 07:31:54] [INFO ] [Nat]Added 20 Read/Feed constraints in 22 ms returned sat
[2024-05-21 07:31:54] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 30 ms.
[2024-05-21 07:31:54] [INFO ] Deduced a trap composed of 5 places in 185 ms of which 1 ms to minimize.
[2024-05-21 07:31:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 209 ms
[2024-05-21 07:31:54] [INFO ] Added : 11 causal constraints over 3 iterations in 375 ms. Result :sat
Minimization took 150 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10] Max Struct:[20, 20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10] Max Struct:[20, 20]
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 78 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 124/124 places, 1226/1226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 76 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
[2024-05-21 07:31:55] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:31:55] [INFO ] Invariant cache hit.
[2024-05-21 07:31:55] [INFO ] Implicit Places using invariants in 243 ms returned []
[2024-05-21 07:31:55] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:31:55] [INFO ] Invariant cache hit.
[2024-05-21 07:31:56] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:31:56] [INFO ] Implicit Places using invariants and state equation in 587 ms returned []
Implicit Place search using SMT with State Equation took 833 ms to find 0 implicit places.
[2024-05-21 07:31:56] [INFO ] Redundant transitions in 85 ms returned []
Running 1223 sub problems to find dead transitions.
[2024-05-21 07:31:56] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:31:56] [INFO ] Invariant cache hit.
[2024-05-21 07:31:56] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
[2024-05-21 07:32:07] [INFO ] Deduced a trap composed of 5 places in 147 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (OVERLAPS) 246/370 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 370/370 variables, and 150 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 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) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (OVERLAPS) 246/370 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 1223/1373 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1373 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
After SMT, in 66564ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 66585ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67592 ms. Remains : 124/124 places, 1226/1226 transitions.
RANDOM walk for 40000 steps (88 resets) in 1210 ms. (33 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (32 resets) in 348 ms. (114 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (32 resets) in 210 ms. (189 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (32 resets) in 208 ms. (191 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (32 resets) in 175 ms. (227 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 347576 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 4
Probabilistic random walk after 347576 steps, saw 95230 distinct states, run finished after 3005 ms. (steps per millisecond=115 ) properties seen :0
[2024-05-21 07:33:06] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:33:06] [INFO ] Invariant cache hit.
[2024-05-21 07:33:06] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/357 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/357 variables, 2/135 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-21 07:33:08] [INFO ] Deduced a trap composed of 5 places in 714 ms of which 15 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 13/370 variables, 13/149 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/370 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-21 07:33:08] [INFO ] Deduced a trap composed of 5 places in 176 ms of which 13 ms to minimize.
[2024-05-21 07:33:08] [INFO ] Deduced a trap composed of 5 places in 152 ms of which 1 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 152 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2807 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 4/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/357 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/357 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/370 variables, 13/154 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/370 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/370 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 370/370 variables, and 156 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1208 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints]
After SMT, in 4042ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 1339 ms.
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 48 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Running 1223 sub problems to find dead transitions.
[2024-05-21 07:33:12] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:33:12] [INFO ] Invariant cache hit.
[2024-05-21 07:33:12] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
[2024-05-21 07:33:21] [INFO ] Deduced a trap composed of 5 places in 122 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
SMT process timed out in 25353ms, After SMT, problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 25369ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25421 ms. Remains : 124/124 places, 1226/1226 transitions.
RANDOM walk for 40000 steps (88 resets) in 401 ms. (99 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (31 resets) in 232 ms. (171 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (32 resets) in 261 ms. (152 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (32 resets) in 309 ms. (129 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (32 resets) in 334 ms. (119 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 325180 steps, run timeout after 3001 ms. (steps per millisecond=108 ) properties seen :0 out of 4
Probabilistic random walk after 325180 steps, saw 89000 distinct states, run finished after 3001 ms. (steps per millisecond=108 ) properties seen :0
[2024-05-21 07:33:41] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:33:41] [INFO ] Invariant cache hit.
[2024-05-21 07:33:41] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/357 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/357 variables, 2/135 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-21 07:33:41] [INFO ] Deduced a trap composed of 5 places in 103 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 13/370 variables, 13/149 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/370 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-21 07:33:41] [INFO ] Deduced a trap composed of 5 places in 207 ms of which 4 ms to minimize.
[2024-05-21 07:33:42] [INFO ] Deduced a trap composed of 5 places in 204 ms of which 13 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 2/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/370 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 370/370 variables, and 152 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 102/105 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 250/355 variables, 106/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 20/132 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 4/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/357 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 2/139 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/357 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/357 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 13/370 variables, 13/154 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/370 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/370 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/370 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/370 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 370/370 variables, and 156 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1262 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 3/3 constraints]
After SMT, in 2325ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 1159 ms.
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 60 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 124/124 places, 1226/1226 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Applied a total of 0 rules in 59 ms. Remains 124 /124 variables (removed 0) and now considering 1226/1226 (removed 0) transitions.
[2024-05-21 07:33:44] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:33:44] [INFO ] Invariant cache hit.
[2024-05-21 07:33:45] [INFO ] Implicit Places using invariants in 394 ms returned []
[2024-05-21 07:33:45] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:33:45] [INFO ] Invariant cache hit.
[2024-05-21 07:33:45] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:33:45] [INFO ] Implicit Places using invariants and state equation in 447 ms returned []
Implicit Place search using SMT with State Equation took 850 ms to find 0 implicit places.
[2024-05-21 07:33:45] [INFO ] Redundant transitions in 29 ms returned []
Running 1223 sub problems to find dead transitions.
[2024-05-21 07:33:45] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:33:45] [INFO ] Invariant cache hit.
[2024-05-21 07:33:45] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
[2024-05-21 07:33:55] [INFO ] Deduced a trap composed of 5 places in 272 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (OVERLAPS) 246/370 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 370/370 variables, and 150 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 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) 0/124 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 3 (OVERLAPS) 246/370 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/370 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 1223/1373 constraints. Problems are: Problem set: 0 solved, 1223 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 370/370 variables, and 1373 constraints, problems are : Problem set: 0 solved, 1223 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 124/124 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1223/1223 constraints, Known Traps: 1/1 constraints]
After SMT, in 66292ms problems are : Problem set: 0 solved, 1223 unsolved
Search for dead transitions found 0 dead transitions in 66312ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67266 ms. Remains : 124/124 places, 1226/1226 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10, 10] Max Struct:[20, 20]
Starting property specific reduction for BridgeAndVehicles-COL-V50P20N10-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[20]
[2024-05-21 07:34:52] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:34:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[20]
RANDOM walk for 10000 steps (22 resets) in 39 ms. (250 steps per ms)
BEST_FIRST walk for 10001 steps (8 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-05-21 07:34:52] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:34:52] [INFO ] Invariant cache hit.
[2024-05-21 07:34:52] [INFO ] [Real]Absence check using 5 positive place invariants in 7 ms returned sat
[2024-05-21 07:34:52] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-21 07:34:52] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:34:52] [INFO ] [Real]Added 20 Read/Feed constraints in 9 ms returned sat
[2024-05-21 07:34:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:34:52] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:34:52] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2024-05-21 07:34:52] [INFO ] [Nat]Added 20 Read/Feed constraints in 26 ms returned sat
[2024-05-21 07:34:52] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 30 ms.
[2024-05-21 07:34:52] [INFO ] Added : 12 causal constraints over 10 iterations in 166 ms. Result :sat
Minimization took 111 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 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 123 transition count 1225
Applied a total of 2 rules in 63 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 07:34:52] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-05-21 07:34:52] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:34:52] [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
[2024-05-21 07:35:01] [INFO ] Deduced a trap composed of 5 places in 123 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
SMT process timed out in 25007ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 25020ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25086 ms. Remains : 123/124 places, 1225/1226 transitions.
[2024-05-21 07:35:17] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:35:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (2623 resets) in 4023 ms. (248 steps per ms)
BEST_FIRST walk for 1000000 steps (1027 resets) in 1397 ms. (715 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-05-21 07:35:23] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:35:23] [INFO ] Invariant cache hit.
[2024-05-21 07:35:23] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-05-21 07:35:23] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-21 07:35:23] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:35:23] [INFO ] [Real]Added 20 Read/Feed constraints in 12 ms returned sat
[2024-05-21 07:35:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:35:23] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2024-05-21 07:35:23] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2024-05-21 07:35:23] [INFO ] [Nat]Added 20 Read/Feed constraints in 16 ms returned sat
[2024-05-21 07:35:23] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 31 ms.
[2024-05-21 07:35:23] [INFO ] Added : 3 causal constraints over 2 iterations in 101 ms. Result :sat
Minimization took 104 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 61 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 46 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-05-21 07:35:23] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:35:23] [INFO ] Invariant cache hit.
[2024-05-21 07:35:24] [INFO ] Implicit Places using invariants in 180 ms returned []
[2024-05-21 07:35:24] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:35:24] [INFO ] Invariant cache hit.
[2024-05-21 07:35:24] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:35:24] [INFO ] Implicit Places using invariants and state equation in 388 ms returned []
Implicit Place search using SMT with State Equation took 595 ms to find 0 implicit places.
[2024-05-21 07:35:24] [INFO ] Redundant transitions in 11 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 07:35:24] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:35:24] [INFO ] Invariant cache hit.
[2024-05-21 07:35:24] [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
[2024-05-21 07:35:34] [INFO ] Deduced a trap composed of 5 places in 134 ms of which 2 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
[2024-05-21 07:35:56] [INFO ] Deduced a trap composed of 15 places in 86 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30025 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: 2/2 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, 2/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/130 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1372 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 1372 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: 2/2 constraints]
After SMT, in 65996ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 66012ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66684 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 426 ms. (93 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (40 resets) in 171 ms. (232 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (40 resets) in 136 ms. (291 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 349260 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :0 out of 2
Probabilistic random walk after 349260 steps, saw 99803 distinct states, run finished after 3001 ms. (steps per millisecond=116 ) properties seen :0
[2024-05-21 07:36:33] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:36:33] [INFO ] Invariant cache hit.
[2024-05-21 07:36:33] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-21 07:36:34] [INFO ] Deduced a trap composed of 4 places in 116 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 84/266 variables, 16/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 10/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-21 07:36:34] [INFO ] Deduced a trap composed of 10 places in 161 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 630 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 547 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 1209ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 115 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 47 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 07:36:35] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:36:35] [INFO ] Invariant cache hit.
[2024-05-21 07:36:35] [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
[2024-05-21 07:36:44] [INFO ] Deduced a trap composed of 5 places in 125 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
SMT process timed out in 25137ms, After SMT, problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 25149ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25200 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40001 steps (104 resets) in 304 ms. (131 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (40 resets) in 106 ms. (373 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (40 resets) in 102 ms. (388 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 419754 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 2
Probabilistic random walk after 419754 steps, saw 119027 distinct states, run finished after 3001 ms. (steps per millisecond=139 ) properties seen :0
[2024-05-21 07:37:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:37:03] [INFO ] Invariant cache hit.
[2024-05-21 07:37:03] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-21 07:37:04] [INFO ] Deduced a trap composed of 4 places in 263 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 84/266 variables, 16/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 10/86 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-21 07:37:04] [INFO ] Deduced a trap composed of 10 places in 129 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 712 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 457 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 1198ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 180 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 46 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 46 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-05-21 07:37:05] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:37:05] [INFO ] Invariant cache hit.
[2024-05-21 07:37:05] [INFO ] Implicit Places using invariants in 262 ms returned []
[2024-05-21 07:37:05] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:37:05] [INFO ] Invariant cache hit.
[2024-05-21 07:37:05] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:37:05] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 660 ms to find 0 implicit places.
[2024-05-21 07:37:05] [INFO ] Redundant transitions in 11 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 07:37:05] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:37:05] [INFO ] Invariant cache hit.
[2024-05-21 07:37:05] [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
[2024-05-21 07:37:14] [INFO ] Deduced a trap composed of 5 places in 161 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
[2024-05-21 07:37:37] [INFO ] Deduced a trap composed of 15 places in 97 ms of which 1 ms to minimize.
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 150 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30025 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: 2/2 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, 2/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/130 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1372 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 1372 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30022 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: 2/2 constraints]
After SMT, in 65242ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65253ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65978 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[20]
Ending property specific reduction for BridgeAndVehicles-COL-V50P20N10-UpperBounds-06 in 198877 ms.
Starting property specific reduction for BridgeAndVehicles-COL-V50P20N10-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[20]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[20]
[2024-05-21 07:38:11] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
// Phase 1: matrix 246 rows 124 cols
[2024-05-21 07:38:11] [INFO ] Computed 5 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[20]
RANDOM walk for 10000 steps (22 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10000 steps (8 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-05-21 07:38:11] [INFO ] Flow matrix only has 246 transitions (discarded 980 similar events)
[2024-05-21 07:38:11] [INFO ] Invariant cache hit.
[2024-05-21 07:38:11] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:38:11] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2024-05-21 07:38:11] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:38:11] [INFO ] [Real]Added 20 Read/Feed constraints in 11 ms returned sat
[2024-05-21 07:38:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:38:11] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:38:11] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-05-21 07:38:11] [INFO ] [Nat]Added 20 Read/Feed constraints in 27 ms returned sat
[2024-05-21 07:38:11] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 135 transitions) in 73 ms.
[2024-05-21 07:38:11] [INFO ] Deduced a trap composed of 5 places in 178 ms of which 1 ms to minimize.
[2024-05-21 07:38:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 200 ms
[2024-05-21 07:38:11] [INFO ] Added : 11 causal constraints over 3 iterations in 356 ms. Result :sat
Minimization took 100 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 1226/1226 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 123 transition count 1225
Applied a total of 2 rules in 77 ms. Remains 123 /124 variables (removed 1) and now considering 1225/1226 (removed 1) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 07:38:12] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
// Phase 1: matrix 245 rows 123 cols
[2024-05-21 07:38:12] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:38:12] [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
[2024-05-21 07:38:18] [INFO ] Deduced a trap composed of 5 places in 131 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 20032 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 20032 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 43758ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 43770ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43849 ms. Remains : 123/124 places, 1225/1226 transitions.
[2024-05-21 07:38:55] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:38:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[20]
RANDOM walk for 1000000 steps (2623 resets) in 3757 ms. (266 steps per ms)
BEST_FIRST walk for 1000000 steps (1088 resets) in 1601 ms. (624 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[20]
[2024-05-21 07:39:01] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:39:01] [INFO ] Invariant cache hit.
[2024-05-21 07:39:01] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:39:01] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2024-05-21 07:39:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:39:01] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2024-05-21 07:39:01] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-21 07:39:01] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:39:01] [INFO ] [Nat]Added 20 Read/Feed constraints in 37 ms returned sat
[2024-05-21 07:39:01] [INFO ] Computed and/alt/rep : 108/216/108 causal constraints (skipped 134 transitions) in 30 ms.
[2024-05-21 07:39:01] [INFO ] Added : 10 causal constraints over 2 iterations in 117 ms. Result :sat
Minimization took 213 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[20]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[20]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 47 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 46 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-05-21 07:39:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:39:02] [INFO ] Invariant cache hit.
[2024-05-21 07:39:02] [INFO ] Implicit Places using invariants in 254 ms returned []
[2024-05-21 07:39:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:39:02] [INFO ] Invariant cache hit.
[2024-05-21 07:39:02] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:39:02] [INFO ] Implicit Places using invariants and state equation in 492 ms returned []
Implicit Place search using SMT with State Equation took 749 ms to find 0 implicit places.
[2024-05-21 07:39:02] [INFO ] Redundant transitions in 19 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 07:39:02] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:39:02] [INFO ] Invariant cache hit.
[2024-05-21 07:39:02] [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
[2024-05-21 07:39:11] [INFO ] Deduced a trap composed of 5 places in 145 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
[2024-05-21 07:39:35] [INFO ] Deduced a trap composed of 15 places in 116 ms of which 0 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30033 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: 2/2 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, 2/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 3 (OVERLAPS) 245/368 variables, 123/130 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 20/150 constraints. Problems are: Problem set: 0 solved, 1222 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 1222/1372 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 1372 constraints, problems are : Problem set: 0 solved, 1222 unsolved in 30036 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: 2/2 constraints]
After SMT, in 65100ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65115ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65939 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 471 ms. (84 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (42 resets) in 130 ms. (305 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40005 steps (41 resets) in 133 ms. (298 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 417815 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 2
Probabilistic random walk after 417815 steps, saw 115478 distinct states, run finished after 3001 ms. (steps per millisecond=139 ) properties seen :0
[2024-05-21 07:40:11] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:40:11] [INFO ] Invariant cache hit.
[2024-05-21 07:40:11] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-21 07:40:11] [INFO ] Deduced a trap composed of 5 places in 123 ms of which 1 ms to minimize.
[2024-05-21 07:40:11] [INFO ] Deduced a trap composed of 4 places in 132 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 546 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 1104ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 325 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 69 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Running 1222 sub problems to find dead transitions.
[2024-05-21 07:40:12] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:40:12] [INFO ] Invariant cache hit.
[2024-05-21 07:40:12] [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
[2024-05-21 07:40:21] [INFO ] Deduced a trap composed of 5 places in 131 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 20022 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 20101 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 45269ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 45284ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45357 ms. Remains : 123/123 places, 1225/1225 transitions.
RANDOM walk for 40000 steps (104 resets) in 725 ms. (55 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (41 resets) in 205 ms. (194 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40011 steps (41 resets) in 225 ms. (177 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 392126 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 2
Probabilistic random walk after 392126 steps, saw 108630 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2024-05-21 07:41:01] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:41:01] [INFO ] Invariant cache hit.
[2024-05-21 07:41:01] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 4/182 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 84/266 variables, 16/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/266 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/266 variables, 10/85 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-21 07:41:01] [INFO ] Deduced a trap composed of 5 places in 131 ms of which 2 ms to minimize.
[2024-05-21 07:41:01] [INFO ] Deduced a trap composed of 4 places in 132 ms of which 14 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 2/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 101/367 variables, 51/138 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/367 variables, 10/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 1/368 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 0/368 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 368/368 variables, and 150 constraints, problems are : Problem set: 0 solved, 2 unsolved in 530 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 51/53 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 125/178 variables, 53/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/178 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/178 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 4/182 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 84/266 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/266 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/266 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 101/367 variables, 51/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/367 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/367 variables, 10/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/367 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 1/368 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/368 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 368/368 variables, and 152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 569 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 123/123 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints]
After SMT, in 1125ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 326 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 47 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 123/123 places, 1225/1225 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 1225/1225 transitions.
Applied a total of 0 rules in 46 ms. Remains 123 /123 variables (removed 0) and now considering 1225/1225 (removed 0) transitions.
[2024-05-21 07:41:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:41:03] [INFO ] Invariant cache hit.
[2024-05-21 07:41:03] [INFO ] Implicit Places using invariants in 233 ms returned []
[2024-05-21 07:41:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:41:03] [INFO ] Invariant cache hit.
[2024-05-21 07:41:03] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-21 07:41:03] [INFO ] Implicit Places using invariants and state equation in 556 ms returned []
Implicit Place search using SMT with State Equation took 803 ms to find 0 implicit places.
[2024-05-21 07:41:03] [INFO ] Redundant transitions in 12 ms returned []
Running 1222 sub problems to find dead transitions.
[2024-05-21 07:41:03] [INFO ] Flow matrix only has 245 transitions (discarded 980 similar events)
[2024-05-21 07:41:03] [INFO ] Invariant cache hit.
[2024-05-21 07:41:03] [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
[2024-05-21 07:41:12] [INFO ] Deduced a trap composed of 5 places in 127 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 30022 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 30034 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 65500ms problems are : Problem set: 0 solved, 1222 unsolved
Search for dead transitions found 0 dead transitions in 65516ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66390 ms. Remains : 123/123 places, 1225/1225 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[10] Max Struct:[20]
Ending property specific reduction for BridgeAndVehicles-COL-V50P20N10-UpperBounds-07 in 238379 ms.
[2024-05-21 07:42:09] [INFO ] Flatten gal took : 226 ms
[2024-05-21 07:42:09] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/UpperBounds.sr.xml took 15 ms.
[2024-05-21 07:42:09] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 124 places, 1226 transitions and 9000 arcs took 11 ms.
Total runtime 685048 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-COL-V50P20N10

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/417/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 124
TRANSITIONS: 1226
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.045s, Sys 0.007s]


SAVING FILE /home/mcc/execution/417/model (.net / .def) ...
EXPORT TIME: [User 0.005s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 965
MODEL NAME: /home/mcc/execution/417/model
124 places, 1226 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-06 10 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V50P20N10-UpperBounds-07 10 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716277335038

--------------------
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 UpperBounds -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V50P20N10"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is BridgeAndVehicles-COL-V50P20N10, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r047-tajo-171620397400069"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P20N10.tgz
mv BridgeAndVehicles-COL-V50P20N10 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;