Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r083-tall-174860079700072.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is DoubleLock-PT-p3s2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r083-tall-174860079700072
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 780K
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 140K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 330K May 29 14:32 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p3s2-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748733589128

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p3s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-05-31 23:19:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 23:19:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 23:19:50] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2025-05-31 23:19:50] [INFO ] Transformed 112 places.
[2025-05-31 23:19:50] [INFO ] Transformed 744 transitions.
[2025-05-31 23:19:50] [INFO ] Parsed PT model containing 112 places and 744 transitions and 3008 arcs in 198 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Deduced a syphon composed of 20 places in 3 ms
Reduce places removed 20 places and 32 transitions.
FORMULA DoubleLock-PT-p3s2-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 23:19:50] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
// Phase 1: matrix 515 rows 92 cols
[2025-05-31 23:19:50] [INFO ] Computed 4 invariants in 20 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, 1, +inf, 1, 1, +inf, +inf, 1, 1, 1, +inf, 1]
RANDOM walk for 10000 steps (113 resets) in 36 ms. (270 steps per ms)
FORMULA DoubleLock-PT-p3s2-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (117 resets) in 58 ms. (847 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 10, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-05-31 23:19:50] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2025-05-31 23:19:50] [INFO ] Invariant cache hit.
[2025-05-31 23:19:50] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2025-05-31 23:19:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 23:19:51] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2025-05-31 23:19:51] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-05-31 23:19:51] [INFO ] [Real]Added 47 Read/Feed constraints in 11 ms returned sat
[2025-05-31 23:19:51] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:19:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 23:19:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-05-31 23:19:51] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-05-31 23:19:51] [INFO ] [Nat]Added 47 Read/Feed constraints in 27 ms returned sat
[2025-05-31 23:19:51] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 85 ms.
[2025-05-31 23:19:51] [INFO ] Added : 10 causal constraints over 3 iterations in 254 ms. Result :sat
Minimization took 372 ms.
[2025-05-31 23:19:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 23:19:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Real]Added 47 Read/Feed constraints in 16 ms returned sat
[2025-05-31 23:19:52] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:19:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Nat]Added 47 Read/Feed constraints in 21 ms returned sat
[2025-05-31 23:19:52] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 61 ms.
[2025-05-31 23:19:52] [INFO ] Added : 3 causal constraints over 1 iterations in 114 ms. Result :sat
Minimization took 228 ms.
[2025-05-31 23:19:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 3 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Real]Added 47 Read/Feed constraints in 17 ms returned sat
[2025-05-31 23:19:52] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:19:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2025-05-31 23:19:52] [INFO ] [Nat]Added 47 Read/Feed constraints in 30 ms returned sat
[2025-05-31 23:19:53] [INFO ] Deduced a trap composed of 52 places in 116 ms of which 12 ms to minimize.
[2025-05-31 23:19:53] [INFO ] Deduced a trap composed of 42 places in 163 ms of which 3 ms to minimize.
[2025-05-31 23:19:53] [INFO ] Deduced a trap composed of 36 places in 85 ms of which 1 ms to minimize.
[2025-05-31 23:19:53] [INFO ] Deduced a trap composed of 33 places in 81 ms of which 1 ms to minimize.
[2025-05-31 23:19:53] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 549 ms
[2025-05-31 23:19:53] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 46 ms.
[2025-05-31 23:19:53] [INFO ] Added : 2 causal constraints over 2 iterations in 109 ms. Result :sat
Minimization took 219 ms.
[2025-05-31 23:19:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 23:19:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 23:19:53] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Real]Added 47 Read/Feed constraints in 9 ms returned sat
[2025-05-31 23:19:54] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:19:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Nat]Added 47 Read/Feed constraints in 18 ms returned sat
[2025-05-31 23:19:54] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 38 ms.
[2025-05-31 23:19:54] [INFO ] Added : 3 causal constraints over 1 iterations in 101 ms. Result :sat
Minimization took 285 ms.
[2025-05-31 23:19:54] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 6 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Real]Added 47 Read/Feed constraints in 24 ms returned sat
[2025-05-31 23:19:54] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:19:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 14 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2025-05-31 23:19:54] [INFO ] [Nat]Added 47 Read/Feed constraints in 37 ms returned sat
[2025-05-31 23:19:54] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 41 ms.
[2025-05-31 23:19:55] [INFO ] Added : 2 causal constraints over 1 iterations in 97 ms. Result :sat
Minimization took 261 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 10, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 9, 10, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 712/712 transitions.
Graph (complete) has 1229 edges and 92 vertex of which 90 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 62 ms. Remains 90 /92 variables (removed 2) and now considering 712/712 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 90/92 places, 712/712 transitions.
[2025-05-31 23:19:55] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
Found an invariant !
This invariant on transitions {10=1, 15=1, 28=1, 302=1, 513=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 298=1, 509=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 177 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 5) seen :[1, 0, 5, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 9, 10, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-05-31 23:19:56] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
// Phase 1: matrix 515 rows 90 cols
[2025-05-31 23:19:56] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 9, 10, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (11701 resets) in 876 ms. (1140 steps per ms)
BEST_FIRST walk for 5000005 steps (11698 resets) in 2191 ms. (2281 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 9, 15, 5, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-05-31 23:19:59] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2025-05-31 23:19:59] [INFO ] Invariant cache hit.
[2025-05-31 23:19:59] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-05-31 23:19:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 23:19:59] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-05-31 23:19:59] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:19:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:19:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-31 23:19:59] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2025-05-31 23:19:59] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-05-31 23:19:59] [INFO ] [Nat]Added 47 Read/Feed constraints in 48 ms returned sat
[2025-05-31 23:19:59] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 37 ms.
[2025-05-31 23:19:59] [INFO ] Added : 7 causal constraints over 3 iterations in 154 ms. Result :sat
Minimization took 421 ms.
[2025-05-31 23:20:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:20:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-31 23:20:00] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2025-05-31 23:20:00] [INFO ] [Real]Added 47 Read/Feed constraints in 66 ms returned sat
[2025-05-31 23:20:00] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:20:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:20:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-31 23:20:00] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2025-05-31 23:20:00] [INFO ] [Nat]Added 47 Read/Feed constraints in 46 ms returned sat
[2025-05-31 23:20:00] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 38 ms.
[2025-05-31 23:20:00] [INFO ] Added : 8 causal constraints over 2 iterations in 131 ms. Result :sat
Minimization took 349 ms.
[2025-05-31 23:20:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Real]Absence check using state equation in 88 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Real]Added 47 Read/Feed constraints in 21 ms returned sat
[2025-05-31 23:20:01] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:20:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Nat]Added 47 Read/Feed constraints in 20 ms returned sat
[2025-05-31 23:20:01] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 35 ms.
[2025-05-31 23:20:01] [INFO ] Added : 2 causal constraints over 2 iterations in 103 ms. Result :sat
Minimization took 322 ms.
[2025-05-31 23:20:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Real]Added 47 Read/Feed constraints in 25 ms returned sat
[2025-05-31 23:20:01] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:20:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-31 23:20:01] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2025-05-31 23:20:02] [INFO ] [Nat]Added 47 Read/Feed constraints in 31 ms returned sat
[2025-05-31 23:20:02] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 36 ms.
[2025-05-31 23:20:02] [INFO ] Added : 3 causal constraints over 1 iterations in 90 ms. Result :sat
Minimization took 432 ms.
[2025-05-31 23:20:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:20:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2025-05-31 23:20:02] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2025-05-31 23:20:02] [INFO ] [Real]Added 47 Read/Feed constraints in 19 ms returned sat
[2025-05-31 23:20:02] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:20:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:20:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2025-05-31 23:20:02] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2025-05-31 23:20:02] [INFO ] [Nat]Added 47 Read/Feed constraints in 23 ms returned sat
[2025-05-31 23:20:02] [INFO ] Computed and/alt/rep : 67/387/67 causal constraints (skipped 446 transitions) in 36 ms.
[2025-05-31 23:20:02] [INFO ] Added : 2 causal constraints over 1 iterations in 86 ms. Result :sat
Minimization took 414 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 9, 15, 5, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 39, 15, 5, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Support contains 5 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 712/712 transitions.
Applied a total of 0 rules in 16 ms. Remains 90 /90 variables (removed 0) and now considering 712/712 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 90/90 places, 712/712 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 712/712 transitions.
Applied a total of 0 rules in 15 ms. Remains 90 /90 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2025-05-31 23:20:03] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2025-05-31 23:20:03] [INFO ] Invariant cache hit.
[2025-05-31 23:20:03] [INFO ] Implicit Places using invariants in 89 ms returned []
[2025-05-31 23:20:03] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2025-05-31 23:20:03] [INFO ] Invariant cache hit.
[2025-05-31 23:20:03] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-05-31 23:20:04] [INFO ] Implicit Places using invariants and state equation in 269 ms returned []
Implicit Place search using SMT with State Equation took 359 ms to find 0 implicit places.
[2025-05-31 23:20:04] [INFO ] Redundant transitions in 30 ms returned []
Running 710 sub problems to find dead transitions.
[2025-05-31 23:20:04] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2025-05-31 23:20:04] [INFO ] Invariant cache hit.
[2025-05-31 23:20:04] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/605 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/605 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 8 (OVERLAPS) 0/605 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 710 unsolved
No progress, stopping.
After SMT solving in domain Real declared 605/605 variables, and 139 constraints, problems are : Problem set: 0 solved, 710 unsolved in 22331 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 710 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 32/170 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/604 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 7 (OVERLAPS) 1/605 variables, 1/171 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Problem TDEAD464 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD467 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD469 is UNSAT
Problem TDEAD470 is UNSAT
Problem TDEAD471 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD473 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD475 is UNSAT
Problem TDEAD476 is UNSAT
Problem TDEAD480 is UNSAT
Problem TDEAD481 is UNSAT
Problem TDEAD485 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD493 is UNSAT
Problem TDEAD494 is UNSAT
Problem TDEAD498 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD504 is UNSAT
Problem TDEAD506 is UNSAT
Problem TDEAD507 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD510 is UNSAT
Problem TDEAD511 is UNSAT
Problem TDEAD512 is UNSAT
Problem TDEAD513 is UNSAT
Problem TDEAD514 is UNSAT
Problem TDEAD515 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD521 is UNSAT
Problem TDEAD522 is UNSAT
Problem TDEAD523 is UNSAT
Problem TDEAD524 is UNSAT
Problem TDEAD525 is UNSAT
Problem TDEAD526 is UNSAT
Problem TDEAD527 is UNSAT
Problem TDEAD528 is UNSAT
Problem TDEAD529 is UNSAT
Problem TDEAD530 is UNSAT
Problem TDEAD534 is UNSAT
Problem TDEAD535 is UNSAT
Problem TDEAD539 is UNSAT
Problem TDEAD540 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD547 is UNSAT
Problem TDEAD548 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD553 is UNSAT
Problem TDEAD557 is UNSAT
Problem TDEAD558 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD561 is UNSAT
Problem TDEAD562 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD564 is UNSAT
Problem TDEAD565 is UNSAT
Problem TDEAD566 is UNSAT
Problem TDEAD567 is UNSAT
Problem TDEAD568 is UNSAT
Problem TDEAD569 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD571 is UNSAT
Problem TDEAD572 is UNSAT
Problem TDEAD573 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD575 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD577 is UNSAT
Problem TDEAD578 is UNSAT
Problem TDEAD579 is UNSAT
Problem TDEAD580 is UNSAT
Problem TDEAD581 is UNSAT
Problem TDEAD582 is UNSAT
Problem TDEAD583 is UNSAT
Problem TDEAD584 is UNSAT
Problem TDEAD588 is UNSAT
Problem TDEAD589 is UNSAT
Problem TDEAD593 is UNSAT
Problem TDEAD594 is UNSAT
Problem TDEAD598 is UNSAT
Problem TDEAD601 is UNSAT
Problem TDEAD602 is UNSAT
Problem TDEAD606 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD611 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD614 is UNSAT
Problem TDEAD615 is UNSAT
Problem TDEAD616 is UNSAT
Problem TDEAD617 is UNSAT
Problem TDEAD618 is UNSAT
Problem TDEAD619 is UNSAT
Problem TDEAD620 is UNSAT
Problem TDEAD621 is UNSAT
Problem TDEAD622 is UNSAT
Problem TDEAD623 is UNSAT
Problem TDEAD624 is UNSAT
Problem TDEAD625 is UNSAT
Problem TDEAD626 is UNSAT
Problem TDEAD627 is UNSAT
Problem TDEAD628 is UNSAT
Problem TDEAD629 is UNSAT
Problem TDEAD630 is UNSAT
Problem TDEAD631 is UNSAT
Problem TDEAD632 is UNSAT
Problem TDEAD633 is UNSAT
Problem TDEAD634 is UNSAT
Problem TDEAD635 is UNSAT
Problem TDEAD636 is UNSAT
Problem TDEAD637 is UNSAT
Problem TDEAD638 is UNSAT
Problem TDEAD642 is UNSAT
Problem TDEAD643 is UNSAT
Problem TDEAD647 is UNSAT
Problem TDEAD648 is UNSAT
Problem TDEAD652 is UNSAT
Problem TDEAD655 is UNSAT
Problem TDEAD656 is UNSAT
Problem TDEAD660 is UNSAT
Problem TDEAD661 is UNSAT
Problem TDEAD665 is UNSAT
Problem TDEAD666 is UNSAT
Problem TDEAD668 is UNSAT
Problem TDEAD669 is UNSAT
Problem TDEAD670 is UNSAT
Problem TDEAD671 is UNSAT
Problem TDEAD672 is UNSAT
Problem TDEAD673 is UNSAT
Problem TDEAD674 is UNSAT
Problem TDEAD675 is UNSAT
Problem TDEAD676 is UNSAT
Problem TDEAD677 is UNSAT
Problem TDEAD678 is UNSAT
Problem TDEAD679 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/605 variables, 678/849 constraints. Problems are: Problem set: 144 solved, 566 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 605/605 variables, and 849 constraints, problems are : Problem set: 144 solved, 566 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints]
After SMT, in 53184ms problems are : Problem set: 144 solved, 566 unsolved
Search for dead transitions found 144 dead transitions in 53204ms
Found 144 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 144 transitions
Dead transitions reduction (with SMT) removed 144 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 90/90 places, 568/712 transitions.
Graph (complete) has 971 edges and 90 vertex of which 82 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 13 ms. Remains 82 /90 variables (removed 8) and now considering 568/568 (removed 0) transitions.
[2025-05-31 23:20:57] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2025-05-31 23:20:57] [INFO ] Computed 1 invariants in 2 ms
[2025-05-31 23:20:57] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-05-31 23:20:57] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:20:57] [INFO ] Invariant cache hit.
[2025-05-31 23:20:57] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:20:57] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 82/90 places, 568/712 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 53940 ms. Remains : 82/90 places, 568/712 transitions.
[2025-05-31 23:20:57] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {15=1, 28=1, 302=1, 387=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 302=1, 388=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 189 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 5) seen :[1, 0, 2147483647, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 39, +inf, 5, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2025-05-31 23:20:57] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:20:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 39, +inf, 5, 5] Max Struct:[+inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (11698 resets) in 764 ms. (1307 steps per ms)
FORMULA DoubleLock-PT-p3s2-UpperBounds-14 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s2-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4000004 steps (9808 resets) in 1611 ms. (2481 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
[2025-05-31 23:21:00] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:21:00] [INFO ] Invariant cache hit.
[2025-05-31 23:21:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:00] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-05-31 23:21:00] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:21:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:00] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2025-05-31 23:21:00] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:21:00] [INFO ] [Nat]Added 41 Read/Feed constraints in 11 ms returned sat
[2025-05-31 23:21:00] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 27 ms.
[2025-05-31 23:21:00] [INFO ] Added : 3 causal constraints over 2 iterations in 79 ms. Result :sat
Minimization took 200 ms.
[2025-05-31 23:21:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:00] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 23:21:00] [INFO ] [Real]Added 41 Read/Feed constraints in 35 ms returned sat
[2025-05-31 23:21:00] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:21:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:00] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2025-05-31 23:21:00] [INFO ] [Nat]Added 41 Read/Feed constraints in 20 ms returned sat
[2025-05-31 23:21:01] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 33 ms.
[2025-05-31 23:21:01] [INFO ] Added : 4 causal constraints over 2 iterations in 89 ms. Result :sat
Minimization took 135 ms.
[2025-05-31 23:21:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:01] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2025-05-31 23:21:01] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:21:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:01] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2025-05-31 23:21:01] [INFO ] [Nat]Added 41 Read/Feed constraints in 15 ms returned sat
[2025-05-31 23:21:01] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 28 ms.
[2025-05-31 23:21:01] [INFO ] Added : 2 causal constraints over 1 iterations in 68 ms. Result :sat
Minimization took 150 ms.
[2025-05-31 23:21:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:01] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 23:21:01] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:21:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:01] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2025-05-31 23:21:01] [INFO ] [Nat]Added 41 Read/Feed constraints in 19 ms returned sat
[2025-05-31 23:21:01] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 27 ms.
[2025-05-31 23:21:01] [INFO ] Added : 0 causal constraints over 0 iterations in 50 ms. Result :sat
Minimization took 154 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Applied a total of 0 rules in 19 ms. Remains 82 /82 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 82/82 places, 568/568 transitions.
[2025-05-31 23:21:02] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {15=1, 28=1, 302=1, 387=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {15=1, 28=1, 302=1, 388=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 188 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 4) seen :[1, 0, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
[2025-05-31 23:21:02] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:21:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (11726 resets) in 749 ms. (1333 steps per ms)
BEST_FIRST walk for 4000003 steps (9795 resets) in 1546 ms. (2585 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
[2025-05-31 23:21:04] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:21:04] [INFO ] Invariant cache hit.
[2025-05-31 23:21:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:04] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-05-31 23:21:04] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:21:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:04] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-05-31 23:21:04] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:21:04] [INFO ] [Nat]Added 41 Read/Feed constraints in 13 ms returned sat
[2025-05-31 23:21:04] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 22 ms.
[2025-05-31 23:21:05] [INFO ] Added : 3 causal constraints over 2 iterations in 72 ms. Result :sat
Minimization took 195 ms.
[2025-05-31 23:21:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:05] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-05-31 23:21:05] [INFO ] [Real]Added 41 Read/Feed constraints in 35 ms returned sat
[2025-05-31 23:21:05] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:21:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:05] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2025-05-31 23:21:05] [INFO ] [Nat]Added 41 Read/Feed constraints in 20 ms returned sat
[2025-05-31 23:21:05] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 24 ms.
[2025-05-31 23:21:05] [INFO ] Added : 4 causal constraints over 2 iterations in 76 ms. Result :sat
Minimization took 131 ms.
[2025-05-31 23:21:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:05] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 23:21:05] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:21:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:05] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-05-31 23:21:05] [INFO ] [Nat]Added 41 Read/Feed constraints in 20 ms returned sat
[2025-05-31 23:21:05] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 28 ms.
[2025-05-31 23:21:06] [INFO ] Added : 2 causal constraints over 1 iterations in 65 ms. Result :sat
Minimization took 152 ms.
[2025-05-31 23:21:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:06] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-05-31 23:21:06] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:21:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:21:06] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2025-05-31 23:21:06] [INFO ] [Nat]Added 41 Read/Feed constraints in 18 ms returned sat
[2025-05-31 23:21:06] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 26 ms.
[2025-05-31 23:21:06] [INFO ] Added : 0 causal constraints over 0 iterations in 46 ms. Result :sat
Minimization took 161 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Applied a total of 0 rules in 9 ms. Remains 82 /82 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 82/82 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Applied a total of 0 rules in 8 ms. Remains 82 /82 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2025-05-31 23:21:06] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:21:06] [INFO ] Invariant cache hit.
[2025-05-31 23:21:06] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-05-31 23:21:06] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:21:06] [INFO ] Invariant cache hit.
[2025-05-31 23:21:06] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:21:07] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 259 ms to find 0 implicit places.
[2025-05-31 23:21:07] [INFO ] Redundant transitions in 8 ms returned []
Running 566 sub problems to find dead transitions.
[2025-05-31 23:21:07] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:21:07] [INFO ] Invariant cache hit.
[2025-05-31 23:21:07] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (OVERLAPS) 1/471 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/471 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 7 (OVERLAPS) 0/471 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 471/471 variables, and 124 constraints, problems are : Problem set: 0 solved, 566 unsolved in 19186 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 414/537 constraints. Problems are: Problem set: 0 solved, 566 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 470/471 variables, and 537 constraints, problems are : Problem set: 0 solved, 566 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 414/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 49666ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 49673ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49958 ms. Remains : 82/82 places, 568/568 transitions.
[2025-05-31 23:21:56] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {15=1, 28=1, 302=1, 387=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 302=1, 388=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 182 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 4) seen :[1, 0, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 40002 steps (473 resets) in 889 ms. (44 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (102 resets) in 171 ms. (232 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (95 resets) in 192 ms. (207 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (101 resets) in 208 ms. (191 steps per ms) remains 4/4 properties
[2025-05-31 23:21:57] [INFO ] Flatten gal took : 171 ms
BEST_FIRST walk for 40004 steps (95 resets) in 191 ms. (208 steps per ms) remains 4/4 properties
[2025-05-31 23:21:57] [INFO ] Flatten gal took : 76 ms
[2025-05-31 23:21:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13700251588860452955.gal : 19 ms
[2025-05-31 23:21:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18256386933339765247.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13700251588860452955.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18256386933339765247.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality18256386933339765247.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :13 after 72
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :72 after 421
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :421 after 990
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :990 after 7667
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :7667 after 11594
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :11594 after 139520
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :139520 after 236214
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :236214 after 918588
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :918588 after 3.22402e+06
Interrupted probabilistic random walk after 329981 steps, run timeout after 3001 ms. (steps per millisecond=109 ) properties seen :1 out of 4
Probabilistic random walk after 329981 steps, saw 250563 distinct states, run finished after 3004 ms. (steps per millisecond=109 ) properties seen :1
[2025-05-31 23:22:00] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:22:00] [INFO ] Invariant cache hit.
[2025-05-31 23:22:00] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 67/70 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 337/407 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 64/471 variables, 49/84 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/471 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/471 variables, 39/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/471 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/471 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 471/471 variables, and 124 constraints, problems are : Problem set: 0 solved, 3 unsolved in 210 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 67/70 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 337/407 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/407 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 64/471 variables, 49/87 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/471 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/471 variables, 39/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/471 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/471 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 471/471 variables, and 127 constraints, problems are : Problem set: 0 solved, 3 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 454ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 3 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Graph (complete) has 915 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 81 /82 variables (removed 1) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 81/82 places, 568/568 transitions.
RANDOM walk for 40010 steps (464 resets) in 106 ms. (373 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (91 resets) in 86 ms. (459 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (102 resets) in 60 ms. (655 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (101 resets) in 75 ms. (526 steps per ms) remains 3/3 properties
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :3.22402e+06 after 6.13177e+06
Interrupted probabilistic random walk after 393267 steps, run timeout after 3001 ms. (steps per millisecond=131 ) properties seen :0 out of 3
Probabilistic random walk after 393267 steps, saw 273925 distinct states, run finished after 3001 ms. (steps per millisecond=131 ) properties seen :0
[2025-05-31 23:22:04] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 81 cols
[2025-05-31 23:22:04] [INFO ] Computed 1 invariants in 2 ms
[2025-05-31 23:22:04] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 67/70 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 337/407 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 63/470 variables, 48/83 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/470 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/470 variables, 39/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 3 unsolved in 188 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 67/70 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 337/407 variables, 30/33 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 3/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/407 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 63/470 variables, 48/86 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/470 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/470 variables, 39/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/470 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 126 constraints, problems are : Problem set: 0 solved, 3 unsolved in 241 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 440ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 3 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 10 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 81/81 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 8 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2025-05-31 23:22:04] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:22:04] [INFO ] Invariant cache hit.
[2025-05-31 23:22:04] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-05-31 23:22:04] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:22:04] [INFO ] Invariant cache hit.
[2025-05-31 23:22:04] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:22:04] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
[2025-05-31 23:22:04] [INFO ] Redundant transitions in 4 ms returned []
Running 566 sub problems to find dead transitions.
[2025-05-31 23:22:04] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:22:04] [INFO ] Invariant cache hit.
[2025-05-31 23:22:04] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :6.13177e+06 after 1.16917e+07
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :1.16917e+07 after 2.24198e+07
At refinement iteration 5 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 566 unsolved in 12593 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 566/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :2.24198e+07 after 4.42785e+07
At refinement iteration 6 (OVERLAPS) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
Detected timeout of ITS tools.
[2025-05-31 23:22:47] [INFO ] Flatten gal took : 35 ms
[2025-05-31 23:22:47] [INFO ] Applying decomposition
[2025-05-31 23:22:47] [INFO ] Flatten gal took : 31 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph2472920242171648460.txt' '-o' '/tmp/graph2472920242171648460.bin' '-w' '/tmp/graph2472920242171648460.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph2472920242171648460.bin' '-l' '-1' '-v' '-w' '/tmp/graph2472920242171648460.weights' '-q' '0' '-e' '0.001'
After SMT solving in domain Int declared 470/470 variables, and 689 constraints, problems are : Problem set: 0 solved, 566 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 43046ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 43053ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43342 ms. Remains : 81/81 places, 568/568 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
[2025-05-31 23:22:47] [INFO ] Decomposing Gal with order
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 389
[2025-05-31 23:22:47] [INFO ] Rewriting arrays to variables to allow decomposition.
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 179 place count 81 transition count 381
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 195 place count 73 transition count 381
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 199 place count 71 transition count 379
Applied a total of 199 rules in 27 ms. Remains 71 /81 variables (removed 10) and now considering 379/568 (removed 189) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 379 rows 71 cols
[2025-05-31 23:22:47] [INFO ] Computed 1 invariants in 1 ms
[2025-05-31 23:22:47] [INFO ] Removed a total of 1223 redundant transitions.
[2025-05-31 23:22:47] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-05-31 23:22:48] [INFO ] Flatten gal took : 84 ms
[2025-05-31 23:22:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 74 labels/synchronizations in 15 ms.
[2025-05-31 23:22:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6674707845186931515.gal : 7 ms
[2025-05-31 23:22:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15599864388528911723.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6674707845186931515.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15599864388528911723.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality15599864388528911723.prop.
[2025-05-31 23:22:48] [INFO ] After 206ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2025-05-31 23:22:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:22:48] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2025-05-31 23:22:48] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 23:22:48] [INFO ] After 41ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2025-05-31 23:22:48] [INFO ] After 95ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2025-05-31 23:22:48] [INFO ] After 284ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2025-05-31 23:22:48] [INFO ] Flatten gal took : 19 ms
[2025-05-31 23:22:48] [INFO ] Flatten gal took : 18 ms
[2025-05-31 23:22:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14545492926911220921.gal : 9 ms
[2025-05-31 23:22:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7002858014257732464.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14545492926911220921.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7002858014257732464.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7002858014257732464.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :63 after 931
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :931 after 13720
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :13720 after 31167
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :31167 after 78756
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :78756 after 2.42371e+06
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :2.42371e+06 after 1.6184e+08
Detected timeout of ITS tools.
[2025-05-31 23:23:03] [INFO ] Flatten gal took : 23 ms
[2025-05-31 23:23:03] [INFO ] Applying decomposition
[2025-05-31 23:23:03] [INFO ] Flatten gal took : 26 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph14890001608117516214.txt' '-o' '/tmp/graph14890001608117516214.bin' '-w' '/tmp/graph14890001608117516214.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph14890001608117516214.bin' '-l' '-1' '-v' '-w' '/tmp/graph14890001608117516214.weights' '-q' '0' '-e' '0.001'
[2025-05-31 23:23:03] [INFO ] Decomposing Gal with order
[2025-05-31 23:23:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 23:23:03] [INFO ] Removed a total of 864 redundant transitions.
[2025-05-31 23:23:03] [INFO ] Flatten gal took : 72 ms
[2025-05-31 23:23:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 51 labels/synchronizations in 31 ms.
[2025-05-31 23:23:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9194150412509605388.gal : 9 ms
[2025-05-31 23:23:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5538800864246414396.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9194150412509605388.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5538800864246414396.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality5538800864246414396.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :63 after 6269
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :6269 after 9412
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :9412 after 9694
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :9694 after 120426
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :120426 after 333908
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31067 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3, 39, 5, 6] Max Struct:[+inf, +inf, +inf, +inf]
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-02
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 23:23:18] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2025-05-31 23:23:18] [INFO ] Computed 1 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (115 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10001 steps (25 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-05-31 23:23:18] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:23:18] [INFO ] Invariant cache hit.
[2025-05-31 23:23:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:23:19] [INFO ] [Real]Absence check using state equation in 116 ms returned sat
[2025-05-31 23:23:19] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:23:19] [INFO ] [Real]Added 41 Read/Feed constraints in 11 ms returned sat
[2025-05-31 23:23:19] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:23:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 16 ms returned sat
[2025-05-31 23:23:19] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2025-05-31 23:23:19] [INFO ] [Nat]Added 41 Read/Feed constraints in 6 ms returned sat
[2025-05-31 23:23:19] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 50 ms.
[2025-05-31 23:23:19] [INFO ] Added : 4 causal constraints over 2 iterations in 100 ms. Result :sat
Minimization took 214 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Graph (complete) has 915 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 81 transition count 560
Applied a total of 9 rules in 31 ms. Remains 81 /82 variables (removed 1) and now considering 560/568 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 81/82 places, 560/568 transitions.
[2025-05-31 23:23:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 183 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-05-31 23:23:19] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
// Phase 1: matrix 381 rows 81 cols
[2025-05-31 23:23:19] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000005 steps (11712 resets) in 731 ms. (1366 steps per ms)
BEST_FIRST walk for 1000001 steps (2465 resets) in 401 ms. (2487 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-05-31 23:23:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:23:21] [INFO ] Invariant cache hit.
[2025-05-31 23:23:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-05-31 23:23:21] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 23:23:21] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:23:21] [INFO ] [Real]Added 41 Read/Feed constraints in 9 ms returned sat
[2025-05-31 23:23:21] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:23:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:23:21] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-05-31 23:23:21] [INFO ] [Nat]Added 41 Read/Feed constraints in 7 ms returned sat
[2025-05-31 23:23:21] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 26 ms.
[2025-05-31 23:23:21] [INFO ] Added : 2 causal constraints over 1 iterations in 62 ms. Result :sat
Minimization took 192 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 7 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 7 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:23:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:23:21] [INFO ] Invariant cache hit.
[2025-05-31 23:23:21] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-05-31 23:23:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:23:21] [INFO ] Invariant cache hit.
[2025-05-31 23:23:21] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:23:21] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
[2025-05-31 23:23:21] [INFO ] Redundant transitions in 7 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:23:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:23:21] [INFO ] Invariant cache hit.
[2025-05-31 23:23:21] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9560 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 39968ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 39973ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40251 ms. Remains : 81/81 places, 560/560 transitions.
[2025-05-31 23:24:01] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 189 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 40007 steps (467 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (98 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
[2025-05-31 23:24:02] [INFO ] Flatten gal took : 24 ms
[2025-05-31 23:24:02] [INFO ] Flatten gal took : 22 ms
[2025-05-31 23:24:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11068453551536087797.gal : 5 ms
[2025-05-31 23:24:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8386226899308672086.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11068453551536087797.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8386226899308672086.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality8386226899308672086.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 72
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :72 after 421
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :421 after 990
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :990 after 7667
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :7667 after 11594
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11594 after 164584
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :164584 after 946689
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :946689 after 2.57515e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.57515e+06 after 5.82942e+06
Interrupted probabilistic random walk after 1264105 steps, run timeout after 3001 ms. (steps per millisecond=421 ) properties seen :0 out of 1
Probabilistic random walk after 1264105 steps, saw 910478 distinct states, run finished after 3001 ms. (steps per millisecond=421 ) properties seen :0
[2025-05-31 23:24:05] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:24:05] [INFO ] Invariant cache hit.
[2025-05-31 23:24:05] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/418 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 21/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/462 variables, 37/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/385 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/418 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 44/462 variables, 37/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 153 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 288ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 9 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 81/81 places, 560/560 transitions.
RANDOM walk for 40006 steps (473 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (100 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :5.82942e+06 after 1.23656e+07
Interrupted probabilistic random walk after 1307050 steps, run timeout after 3001 ms. (steps per millisecond=435 ) properties seen :0 out of 1
Probabilistic random walk after 1307050 steps, saw 943090 distinct states, run finished after 3001 ms. (steps per millisecond=435 ) properties seen :0
[2025-05-31 23:24:08] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:24:08] [INFO ] Invariant cache hit.
[2025-05-31 23:24:08] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/418 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/418 variables, 21/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 44/462 variables, 37/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 129 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 363/385 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/385 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/385 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/418 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/418 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/418 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 44/462 variables, 37/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 125 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 312ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 13 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 8 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:24:08] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:24:08] [INFO ] Invariant cache hit.
[2025-05-31 23:24:08] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-05-31 23:24:08] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:24:08] [INFO ] Invariant cache hit.
[2025-05-31 23:24:08] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:24:09] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 311 ms to find 0 implicit places.
[2025-05-31 23:24:09] [INFO ] Redundant transitions in 3 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:24:09] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:24:09] [INFO ] Invariant cache hit.
[2025-05-31 23:24:09] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23656e+07 after 2.53885e+07
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9662 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.53885e+07 after 5.14235e+07
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 40152ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 40158ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40485 ms. Remains : 81/81 places, 560/560 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 381
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 179 place count 81 transition count 372
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 197 place count 72 transition count 372
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 201 place count 70 transition count 370
Applied a total of 201 rules in 11 ms. Remains 70 /81 variables (removed 11) and now considering 370/560 (removed 190) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 370 rows 70 cols
[2025-05-31 23:24:49] [INFO ] Computed 2 invariants in 4 ms
[2025-05-31 23:24:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:24:49] [INFO ] After 94ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 23:24:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:24:49] [INFO ] After 57ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 23:24:49] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 23:24:49] [INFO ] After 10ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 23:24:49] [INFO ] After 24ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 23:24:49] [INFO ] After 120ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-05-31 23:24:49] [INFO ] Flatten gal took : 16 ms
[2025-05-31 23:24:49] [INFO ] Flatten gal took : 13 ms
[2025-05-31 23:24:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13767677540139959822.gal : 2 ms
[2025-05-31 23:24:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10541181965052098391.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13767677540139959822.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10541181965052098391.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10541181965052098391.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 931
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :931 after 14574
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :14574 after 31937
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :31937 after 78756
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :78756 after 2.04724e+07
Detected timeout of ITS tools.
[2025-05-31 23:24:52] [INFO ] Flatten gal took : 18 ms
[2025-05-31 23:24:52] [INFO ] Applying decomposition
[2025-05-31 23:24:52] [INFO ] Flatten gal took : 15 ms
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.04724e+07 after 1.61322e+08
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph9742284683709144584.txt' '-o' '/tmp/graph9742284683709144584.bin' '-w' '/tmp/graph9742284683709144584.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph9742284683709144584.bin' '-l' '-1' '-v' '-w' '/tmp/graph9742284683709144584.weights' '-q' '0' '-e' '0.001'
[2025-05-31 23:24:52] [INFO ] Decomposing Gal with order
[2025-05-31 23:24:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 23:24:52] [INFO ] Removed a total of 1205 redundant transitions.
[2025-05-31 23:24:52] [INFO ] Flatten gal took : 34 ms
[2025-05-31 23:24:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 76 labels/synchronizations in 9 ms.
[2025-05-31 23:24:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2844951916981886376.gal : 2 ms
[2025-05-31 23:24:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8050178270606432664.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2844951916981886376.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8050178270606432664.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality8050178270606432664.prop.
Detected timeout of ITS tools.
[2025-05-31 23:25:04] [INFO ] Flatten gal took : 11 ms
[2025-05-31 23:25:04] [INFO ] Applying decomposition
[2025-05-31 23:25:04] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph16073313386707203790.txt' '-o' '/tmp/graph16073313386707203790.bin' '-w' '/tmp/graph16073313386707203790.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph16073313386707203790.bin' '-l' '-1' '-v' '-w' '/tmp/graph16073313386707203790.weights' '-q' '0' '-e' '0.001'
[2025-05-31 23:25:04] [INFO ] Decomposing Gal with order
[2025-05-31 23:25:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 23:25:04] [INFO ] Removed a total of 848 redundant transitions.
[2025-05-31 23:25:04] [INFO ] Flatten gal took : 24 ms
[2025-05-31 23:25:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 44 labels/synchronizations in 8 ms.
[2025-05-31 23:25:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13696350309067333956.gal : 3 ms
[2025-05-31 23:25:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15819768115213851071.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13696350309067333956.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15819768115213851071.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality15819768115213851071.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 1716
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1716 after 8008
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :8008 after 8008
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8008 after 8008
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :8008 after 414321
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30477 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-02 in 120809 ms.
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-05
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 23:25:19] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2025-05-31 23:25:19] [INFO ] Computed 1 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (117 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (24 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 23:25:19] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:25:19] [INFO ] Invariant cache hit.
[2025-05-31 23:25:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:25:19] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-05-31 23:25:19] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:25:19] [INFO ] [Real]Added 41 Read/Feed constraints in 9 ms returned sat
[2025-05-31 23:25:19] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:25:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:25:20] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-05-31 23:25:20] [INFO ] [Nat]Added 41 Read/Feed constraints in 10 ms returned sat
[2025-05-31 23:25:20] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 23 ms.
[2025-05-31 23:25:20] [INFO ] Added : 3 causal constraints over 1 iterations in 59 ms. Result :sat
Minimization took 146 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 82 transition count 560
Applied a total of 8 rules in 9 ms. Remains 82 /82 variables (removed 0) and now considering 560/568 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 82/82 places, 560/568 transitions.
[2025-05-31 23:25:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 282=1, 368=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 294=1, 380=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 190 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 23:25:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
// Phase 1: matrix 381 rows 82 cols
[2025-05-31 23:25:20] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11727 resets) in 756 ms. (1321 steps per ms)
BEST_FIRST walk for 1000001 steps (2428 resets) in 385 ms. (2590 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 23:25:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:25:21] [INFO ] Invariant cache hit.
[2025-05-31 23:25:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:25:21] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-05-31 23:25:21] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:25:21] [INFO ] [Real]Added 41 Read/Feed constraints in 15 ms returned sat
[2025-05-31 23:25:21] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:25:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-05-31 23:25:21] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2025-05-31 23:25:21] [INFO ] [Nat]Added 41 Read/Feed constraints in 11 ms returned sat
[2025-05-31 23:25:21] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 22 ms.
[2025-05-31 23:25:21] [INFO ] Added : 3 causal constraints over 2 iterations in 79 ms. Result :sat
Minimization took 195 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[31] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:25:22] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:25:22] [INFO ] Invariant cache hit.
[2025-05-31 23:25:22] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-05-31 23:25:22] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:25:22] [INFO ] Invariant cache hit.
[2025-05-31 23:25:22] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:25:22] [INFO ] Implicit Places using invariants and state equation in 218 ms returned []
Implicit Place search using SMT with State Equation took 292 ms to find 0 implicit places.
[2025-05-31 23:25:22] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:25:22] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:25:22] [INFO ] Invariant cache hit.
[2025-05-31 23:25:22] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 1/463 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 7 (OVERLAPS) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 463/463 variables, and 125 constraints, problems are : Problem set: 0 solved, 558 unsolved in 12991 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 408/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 1/463 variables, 1/533 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 463/463 variables, and 683 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 43427ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 43433ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43746 ms. Remains : 82/82 places, 560/560 transitions.
[2025-05-31 23:26:05] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 282=1, 368=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {14=1, 27=1, 294=1, 380=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 182 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[31] Max Struct:[+inf]
[2025-05-31 23:26:06] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[31] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11671 resets) in 754 ms. (1324 steps per ms)
BEST_FIRST walk for 1000001 steps (2460 resets) in 387 ms. (2577 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[31] Max Struct:[+inf]
[2025-05-31 23:26:07] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:07] [INFO ] Invariant cache hit.
[2025-05-31 23:26:07] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-05-31 23:26:07] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 23:26:07] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:26:07] [INFO ] [Real]Added 41 Read/Feed constraints in 40 ms returned sat
[2025-05-31 23:26:07] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:26:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:26:07] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-05-31 23:26:07] [INFO ] [Nat]Added 41 Read/Feed constraints in 25 ms returned sat
[2025-05-31 23:26:07] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 23 ms.
[2025-05-31 23:26:07] [INFO ] Deduced a trap composed of 37 places in 87 ms of which 2 ms to minimize.
[2025-05-31 23:26:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 117 ms
[2025-05-31 23:26:07] [INFO ] Added : 3 causal constraints over 2 iterations in 206 ms. Result :sat
Minimization took 216 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[31] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[33] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:26:08] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:08] [INFO ] Invariant cache hit.
[2025-05-31 23:26:08] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-05-31 23:26:08] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:08] [INFO ] Invariant cache hit.
[2025-05-31 23:26:08] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:26:08] [INFO ] Implicit Places using invariants and state equation in 213 ms returned []
Implicit Place search using SMT with State Equation took 292 ms to find 0 implicit places.
[2025-05-31 23:26:08] [INFO ] Redundant transitions in 4 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:26:08] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:08] [INFO ] Invariant cache hit.
[2025-05-31 23:26:08] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 1/463 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 7 (OVERLAPS) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 463/463 variables, and 125 constraints, problems are : Problem set: 0 solved, 558 unsolved in 12656 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 408/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 1/463 variables, 1/533 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 463/463 variables, and 683 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30052 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 43115ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 43122ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43429 ms. Remains : 82/82 places, 560/560 transitions.
[2025-05-31 23:26:51] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 282=1, 368=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 294=1, 380=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 186 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[33] Max Struct:[+inf]
[2025-05-31 23:26:51] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[33] Max Struct:[+inf]
RANDOM walk for 1000005 steps (11717 resets) in 741 ms. (1347 steps per ms)
BEST_FIRST walk for 1000001 steps (2429 resets) in 383 ms. (2604 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[33] Max Struct:[+inf]
[2025-05-31 23:26:52] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:52] [INFO ] Invariant cache hit.
[2025-05-31 23:26:52] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:26:52] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-05-31 23:26:52] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:26:52] [INFO ] [Real]Added 41 Read/Feed constraints in 41 ms returned sat
[2025-05-31 23:26:52] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:26:52] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-05-31 23:26:53] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-05-31 23:26:53] [INFO ] [Nat]Added 41 Read/Feed constraints in 25 ms returned sat
[2025-05-31 23:26:53] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 24 ms.
[2025-05-31 23:26:53] [INFO ] Deduced a trap composed of 37 places in 82 ms of which 2 ms to minimize.
[2025-05-31 23:26:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 121 ms
[2025-05-31 23:26:53] [INFO ] Added : 3 causal constraints over 2 iterations in 214 ms. Result :sat
Minimization took 203 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[33] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[33] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 560/560 transitions.
Applied a total of 0 rules in 22 ms. Remains 82 /82 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:26:53] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:53] [INFO ] Invariant cache hit.
[2025-05-31 23:26:53] [INFO ] Implicit Places using invariants in 84 ms returned []
[2025-05-31 23:26:53] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:53] [INFO ] Invariant cache hit.
[2025-05-31 23:26:53] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:26:53] [INFO ] Implicit Places using invariants and state equation in 213 ms returned []
Implicit Place search using SMT with State Equation took 298 ms to find 0 implicit places.
[2025-05-31 23:26:54] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:26:54] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:26:54] [INFO ] Invariant cache hit.
[2025-05-31 23:26:54] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 1/463 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 7 (OVERLAPS) 0/463 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 463/463 variables, and 125 constraints, problems are : Problem set: 0 solved, 558 unsolved in 12637 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 408/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/532 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 1/463 variables, 1/533 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 463/463 variables, and 683 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 43122ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 43129ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43465 ms. Remains : 82/82 places, 560/560 transitions.
[2025-05-31 23:27:37] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 282=1, 368=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 294=1, 380=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 179 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[33] Max Struct:[+inf]
RANDOM walk for 40012 steps (472 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (97 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
[2025-05-31 23:27:37] [INFO ] Flatten gal took : 22 ms
[2025-05-31 23:27:37] [INFO ] Flatten gal took : 16 ms
Finished probabilistic random walk after 3226 steps, run visited all 1 properties in 21 ms. (steps per millisecond=153 )
Probabilistic random walk after 3226 steps, saw 2405 distinct states, run finished after 29 ms. (steps per millisecond=111 ) properties seen :1
[2025-05-31 23:27:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6453782066703092167.gal : 4 ms
[2025-05-31 23:27:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11337923523966349232.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6453782066703092167.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11337923523966349232.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[33] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-05 in 137601 ms.
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-09
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 23:27:37] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2025-05-31 23:27:37] [INFO ] Computed 1 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (117 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10001 steps (26 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-05-31 23:27:37] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:27:37] [INFO ] Invariant cache hit.
[2025-05-31 23:27:37] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-05-31 23:27:37] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-05-31 23:27:37] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:27:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:27:37] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-05-31 23:27:37] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:27:37] [INFO ] [Nat]Added 41 Read/Feed constraints in 11 ms returned sat
[2025-05-31 23:27:37] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 24 ms.
[2025-05-31 23:27:37] [INFO ] Added : 3 causal constraints over 1 iterations in 64 ms. Result :sat
Minimization took 158 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Graph (complete) has 915 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 81 transition count 560
Applied a total of 9 rules in 8 ms. Remains 81 /82 variables (removed 1) and now considering 560/568 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 81/82 places, 560/568 transitions.
[2025-05-31 23:27:37] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 182 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 23:27:37] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
// Phase 1: matrix 381 rows 81 cols
[2025-05-31 23:27:37] [INFO ] Computed 2 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11714 resets) in 745 ms. (1340 steps per ms)
BEST_FIRST walk for 1000001 steps (2441 resets) in 396 ms. (2518 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-05-31 23:27:39] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:27:39] [INFO ] Invariant cache hit.
[2025-05-31 23:27:39] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2025-05-31 23:27:39] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2025-05-31 23:27:39] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:27:39] [INFO ] [Real]Added 41 Read/Feed constraints in 13 ms returned sat
[2025-05-31 23:27:39] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:27:39] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:27:39] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-05-31 23:27:39] [INFO ] [Nat]Added 41 Read/Feed constraints in 14 ms returned sat
[2025-05-31 23:27:39] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 23 ms.
[2025-05-31 23:27:39] [INFO ] Added : 2 causal constraints over 1 iterations in 58 ms. Result :sat
Minimization took 236 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:27:39] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:27:39] [INFO ] Invariant cache hit.
[2025-05-31 23:27:39] [INFO ] Implicit Places using invariants in 76 ms returned []
[2025-05-31 23:27:39] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:27:39] [INFO ] Invariant cache hit.
[2025-05-31 23:27:39] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:27:40] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 270 ms to find 0 implicit places.
[2025-05-31 23:27:40] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:27:40] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:27:40] [INFO ] Invariant cache hit.
[2025-05-31 23:27:40] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9542 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 40018ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 40024ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40311 ms. Remains : 81/81 places, 560/560 transitions.
[2025-05-31 23:28:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 186 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-05-31 23:28:20] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:28:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11688 resets) in 715 ms. (1396 steps per ms)
BEST_FIRST walk for 1000001 steps (2405 resets) in 400 ms. (2493 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2025-05-31 23:28:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:28:21] [INFO ] Invariant cache hit.
[2025-05-31 23:28:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:28:21] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-05-31 23:28:21] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:28:21] [INFO ] [Real]Added 41 Read/Feed constraints in 12 ms returned sat
[2025-05-31 23:28:21] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:28:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:28:21] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2025-05-31 23:28:21] [INFO ] [Nat]Added 41 Read/Feed constraints in 13 ms returned sat
[2025-05-31 23:28:21] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 25 ms.
[2025-05-31 23:28:21] [INFO ] Added : 2 causal constraints over 1 iterations in 60 ms. Result :sat
Minimization took 229 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 13 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:28:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:28:21] [INFO ] Invariant cache hit.
[2025-05-31 23:28:21] [INFO ] Implicit Places using invariants in 82 ms returned []
[2025-05-31 23:28:21] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:28:21] [INFO ] Invariant cache hit.
[2025-05-31 23:28:22] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:28:22] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 273 ms to find 0 implicit places.
[2025-05-31 23:28:22] [INFO ] Redundant transitions in 2 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:28:22] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:28:22] [INFO ] Invariant cache hit.
[2025-05-31 23:28:22] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9456 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 39855ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 39860ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40149 ms. Remains : 81/81 places, 560/560 transitions.
[2025-05-31 23:29:02] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 184 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-05-31 23:29:02] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11693 resets) in 739 ms. (1351 steps per ms)
BEST_FIRST walk for 1000001 steps (2434 resets) in 392 ms. (2544 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2025-05-31 23:29:03] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:03] [INFO ] Invariant cache hit.
[2025-05-31 23:29:03] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-05-31 23:29:03] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-05-31 23:29:03] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:29:03] [INFO ] [Real]Added 41 Read/Feed constraints in 12 ms returned sat
[2025-05-31 23:29:03] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:29:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:29:03] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-05-31 23:29:03] [INFO ] [Nat]Added 41 Read/Feed constraints in 13 ms returned sat
[2025-05-31 23:29:03] [INFO ] Computed and/alt/rep : 22/63/22 causal constraints (skipped 357 transitions) in 22 ms.
[2025-05-31 23:29:03] [INFO ] Added : 2 causal constraints over 1 iterations in 57 ms. Result :sat
Minimization took 225 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 11 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 8 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:29:03] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:03] [INFO ] Invariant cache hit.
[2025-05-31 23:29:04] [INFO ] Implicit Places using invariants in 67 ms returned []
[2025-05-31 23:29:04] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:04] [INFO ] Invariant cache hit.
[2025-05-31 23:29:04] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:29:04] [INFO ] Implicit Places using invariants and state equation in 200 ms returned []
Implicit Place search using SMT with State Equation took 290 ms to find 0 implicit places.
[2025-05-31 23:29:04] [INFO ] Redundant transitions in 3 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:29:04] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:04] [INFO ] Invariant cache hit.
[2025-05-31 23:29:04] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9457 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 6 (OVERLAPS) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 39947ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 39952ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40257 ms. Remains : 81/81 places, 560/560 transitions.
[2025-05-31 23:29:44] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {14=1, 27=1, 270=1, 356=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {14=1, 27=1, 278=1, 364=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 188 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2025-05-31 23:29:44] [INFO ] Flatten gal took : 19 ms
RANDOM walk for 40005 steps (469 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
[2025-05-31 23:29:44] [INFO ] Flatten gal took : 14 ms
[2025-05-31 23:29:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14146766777852433644.gal : 3 ms
[2025-05-31 23:29:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2053226571773276720.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14146766777852433644.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2053226571773276720.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (95 resets) in 45 ms. (869 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2053226571773276720.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 72
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :72 after 421
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :421 after 990
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :990 after 7667
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :7667 after 11594
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11594 after 164584
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :164584 after 946689
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :946689 after 2.57515e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.57515e+06 after 5.82942e+06
Interrupted probabilistic random walk after 1239420 steps, run timeout after 3001 ms. (steps per millisecond=413 ) properties seen :0 out of 1
Probabilistic random walk after 1239420 steps, saw 892300 distinct states, run finished after 3001 ms. (steps per millisecond=413 ) properties seen :0
[2025-05-31 23:29:47] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:47] [INFO ] Invariant cache hit.
[2025-05-31 23:29:47] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 356/390 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/423 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 23/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 23:29:47] [INFO ] Deduced a trap composed of 53 places in 47 ms of which 1 ms to minimize.
[2025-05-31 23:29:47] [INFO ] Deduced a trap composed of 49 places in 49 ms of which 1 ms to minimize.
[2025-05-31 23:29:47] [INFO ] Deduced a trap composed of 52 places in 48 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/462 variables, 31/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 40/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 127 constraints, problems are : Problem set: 0 solved, 1 unsolved in 296 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 356/390 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/390 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/423 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 23/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/423 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 39/462 variables, 31/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 40/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/462 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 128 constraints, problems are : Problem set: 0 solved, 1 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 476ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 560/560 transitions.
RANDOM walk for 40002 steps (467 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (91 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :5.82942e+06 after 1.23656e+07
Interrupted probabilistic random walk after 1280405 steps, run timeout after 3001 ms. (steps per millisecond=426 ) properties seen :0 out of 1
Probabilistic random walk after 1280405 steps, saw 922484 distinct states, run finished after 3001 ms. (steps per millisecond=426 ) properties seen :0
[2025-05-31 23:29:50] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:50] [INFO ] Invariant cache hit.
[2025-05-31 23:29:50] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 356/390 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 33/423 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 23/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-05-31 23:29:51] [INFO ] Deduced a trap composed of 53 places in 51 ms of which 1 ms to minimize.
[2025-05-31 23:29:51] [INFO ] Deduced a trap composed of 49 places in 46 ms of which 1 ms to minimize.
[2025-05-31 23:29:51] [INFO ] Deduced a trap composed of 52 places in 42 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/462 variables, 31/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 40/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/462 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 127 constraints, problems are : Problem set: 0 solved, 1 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 33/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 356/390 variables, 26/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/390 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/390 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/390 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/423 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 23/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/423 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/423 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 39/462 variables, 31/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 40/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/462 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 128 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 455ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2025-05-31 23:29:51] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:51] [INFO ] Invariant cache hit.
[2025-05-31 23:29:51] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-05-31 23:29:51] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:51] [INFO ] Invariant cache hit.
[2025-05-31 23:29:51] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:29:51] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 262 ms to find 0 implicit places.
[2025-05-31 23:29:51] [INFO ] Redundant transitions in 5 ms returned []
Running 558 sub problems to find dead transitions.
[2025-05-31 23:29:51] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2025-05-31 23:29:51] [INFO ] Invariant cache hit.
[2025-05-31 23:29:51] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.23656e+07 after 2.53885e+07
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 9630 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/462 variables, 0/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.53885e+07 after 5.14235e+07
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints]
After SMT, in 40089ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 40095ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40373 ms. Remains : 81/81 places, 560/560 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 381
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 179 place count 81 transition count 372
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 197 place count 72 transition count 372
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 201 place count 70 transition count 370
Applied a total of 201 rules in 9 ms. Remains 70 /81 variables (removed 11) and now considering 370/560 (removed 190) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 370 rows 70 cols
[2025-05-31 23:30:31] [INFO ] Computed 2 invariants in 4 ms
[2025-05-31 23:30:31] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:30:31] [INFO ] After 94ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 23:30:31] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-05-31 23:30:32] [INFO ] After 62ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 23:30:32] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 23:30:32] [INFO ] After 10ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 23:30:32] [INFO ] After 26ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 23:30:32] [INFO ] After 134ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-05-31 23:30:32] [INFO ] Flatten gal took : 13 ms
[2025-05-31 23:30:32] [INFO ] Flatten gal took : 10 ms
[2025-05-31 23:30:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16240680449780662408.gal : 3 ms
[2025-05-31 23:30:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1941190637633844382.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16240680449780662408.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1941190637633844382.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality1941190637633844382.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 931
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :931 after 14574
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :14574 after 31937
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :31937 after 78756
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :78756 after 2.04724e+07
Detected timeout of ITS tools.
[2025-05-31 23:30:34] [INFO ] Flatten gal took : 16 ms
[2025-05-31 23:30:34] [INFO ] Applying decomposition
[2025-05-31 23:30:34] [INFO ] Flatten gal took : 13 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph9217707140847087218.txt' '-o' '/tmp/graph9217707140847087218.bin' '-w' '/tmp/graph9217707140847087218.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph9217707140847087218.bin' '-l' '-1' '-v' '-w' '/tmp/graph9217707140847087218.weights' '-q' '0' '-e' '0.001'
[2025-05-31 23:30:34] [INFO ] Decomposing Gal with order
[2025-05-31 23:30:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 23:30:34] [INFO ] Removed a total of 1205 redundant transitions.
[2025-05-31 23:30:34] [INFO ] Flatten gal took : 26 ms
[2025-05-31 23:30:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 94 labels/synchronizations in 6 ms.
[2025-05-31 23:30:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3874007736778962479.gal : 3 ms
[2025-05-31 23:30:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14933034504198945722.prop : 14 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3874007736778962479.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14933034504198945722.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality14933034504198945722.prop.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.04724e+07 after 1.61322e+08
Detected timeout of ITS tools.
[2025-05-31 23:30:47] [INFO ] Flatten gal took : 10 ms
[2025-05-31 23:30:47] [INFO ] Applying decomposition
[2025-05-31 23:30:47] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph18087790798510871390.txt' '-o' '/tmp/graph18087790798510871390.bin' '-w' '/tmp/graph18087790798510871390.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph18087790798510871390.bin' '-l' '-1' '-v' '-w' '/tmp/graph18087790798510871390.weights' '-q' '0' '-e' '0.001'
[2025-05-31 23:30:47] [INFO ] Decomposing Gal with order
[2025-05-31 23:30:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 23:30:47] [INFO ] Removed a total of 848 redundant transitions.
[2025-05-31 23:30:47] [INFO ] Flatten gal took : 58 ms
[2025-05-31 23:30:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 50 labels/synchronizations in 4 ms.
[2025-05-31 23:30:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16760036797634260561.gal : 19 ms
[2025-05-31 23:30:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12893974131513093096.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16760036797634260561.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12893974131513093096.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality12893974131513093096.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 1716
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1716 after 144210
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :144210 after 275863
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :275863 after 277212
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :277212 after 9.22427e+06
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30580 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[4] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-09 in 205066 ms.
Starting property specific reduction for DoubleLock-PT-p3s2-UpperBounds-13
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:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-05-31 23:31:02] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 82 cols
[2025-05-31 23:31:02] [INFO ] Computed 1 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (115 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (21 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 23:31:02] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:02] [INFO ] Invariant cache hit.
[2025-05-31 23:31:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:31:02] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 23:31:02] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:31:02] [INFO ] [Real]Added 41 Read/Feed constraints in 9 ms returned sat
[2025-05-31 23:31:02] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:31:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:31:02] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-05-31 23:31:02] [INFO ] [Nat]Added 41 Read/Feed constraints in 14 ms returned sat
[2025-05-31 23:31:02] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 20 ms.
[2025-05-31 23:31:02] [INFO ] Added : 0 causal constraints over 0 iterations in 43 ms. Result :sat
Minimization took 152 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 568/568 transitions.
Graph (complete) has 915 edges and 82 vertex of which 81 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 81 /82 variables (removed 1) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 81/82 places, 568/568 transitions.
[2025-05-31 23:31:02] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {10=1, 15=1, 28=1, 286=1, 371=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 284=1, 370=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 191 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-05-31 23:31:03] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
// Phase 1: matrix 389 rows 81 cols
[2025-05-31 23:31:03] [INFO ] Computed 1 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11711 resets) in 733 ms. (1362 steps per ms)
BEST_FIRST walk for 1000001 steps (2405 resets) in 399 ms. (2500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2025-05-31 23:31:04] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:04] [INFO ] Invariant cache hit.
[2025-05-31 23:31:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:31:04] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 23:31:04] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:31:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:31:04] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2025-05-31 23:31:04] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:31:04] [INFO ] [Nat]Added 41 Read/Feed constraints in 35 ms returned sat
[2025-05-31 23:31:04] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 22 ms.
[2025-05-31 23:31:04] [INFO ] Added : 0 causal constraints over 0 iterations in 45 ms. Result :sat
Minimization took 161 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 81/81 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2025-05-31 23:31:04] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:04] [INFO ] Invariant cache hit.
[2025-05-31 23:31:04] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-05-31 23:31:04] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:04] [INFO ] Invariant cache hit.
[2025-05-31 23:31:04] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:31:04] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
[2025-05-31 23:31:04] [INFO ] Redundant transitions in 3 ms returned []
Running 566 sub problems to find dead transitions.
[2025-05-31 23:31:05] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:05] [INFO ] Invariant cache hit.
[2025-05-31 23:31:05] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 566 unsolved in 12831 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 566/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 6 (OVERLAPS) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 689 constraints, problems are : Problem set: 0 solved, 566 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 43244ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 43249ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43539 ms. Remains : 81/81 places, 568/568 transitions.
[2025-05-31 23:31:48] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {10=1, 15=1, 28=1, 286=1, 371=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 284=1, 370=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 197 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-05-31 23:31:48] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11680 resets) in 709 ms. (1408 steps per ms)
BEST_FIRST walk for 1000001 steps (2402 resets) in 379 ms. (2631 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2025-05-31 23:31:49] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:49] [INFO ] Invariant cache hit.
[2025-05-31 23:31:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-05-31 23:31:49] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2025-05-31 23:31:49] [INFO ] Solution in real domain found non-integer solution.
[2025-05-31 23:31:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-05-31 23:31:49] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2025-05-31 23:31:49] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:31:49] [INFO ] [Nat]Added 41 Read/Feed constraints in 24 ms returned sat
[2025-05-31 23:31:49] [INFO ] Computed and/alt/rep : 23/67/23 causal constraints (skipped 364 transitions) in 22 ms.
[2025-05-31 23:31:49] [INFO ] Added : 0 causal constraints over 0 iterations in 45 ms. Result :sat
Minimization took 166 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 81/81 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2025-05-31 23:31:49] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:49] [INFO ] Invariant cache hit.
[2025-05-31 23:31:50] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-05-31 23:31:50] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:50] [INFO ] Invariant cache hit.
[2025-05-31 23:31:50] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:31:50] [INFO ] Implicit Places using invariants and state equation in 289 ms returned []
Implicit Place search using SMT with State Equation took 374 ms to find 0 implicit places.
[2025-05-31 23:31:50] [INFO ] Redundant transitions in 3 ms returned []
Running 566 sub problems to find dead transitions.
[2025-05-31 23:31:50] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:31:50] [INFO ] Invariant cache hit.
[2025-05-31 23:31:50] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 566 unsolved in 12857 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 566/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 6 (OVERLAPS) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 689 constraints, problems are : Problem set: 0 solved, 566 unsolved in 29697 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 42980ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 42985ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43381 ms. Remains : 81/81 places, 568/568 transitions.
[2025-05-31 23:32:33] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
Found an invariant !
This invariant on transitions {10=1, 15=1, 28=1, 286=1, 371=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {15=1, 28=1, 284=1, 370=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 184 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-05-31 23:32:33] [INFO ] Flatten gal took : 22 ms
RANDOM walk for 40004 steps (461 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
[2025-05-31 23:32:33] [INFO ] Flatten gal took : 13 ms
BEST_FIRST walk for 40003 steps (93 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
[2025-05-31 23:32:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15232429695704199368.gal : 4 ms
[2025-05-31 23:32:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1455732769814052598.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15232429695704199368.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1455732769814052598.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality1455732769814052598.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :13 after 72
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :72 after 421
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :421 after 990
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :990 after 7667
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :7667 after 11594
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11594 after 139520
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :139520 after 236214
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :236214 after 918588
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :918588 after 3.22402e+06
Interrupted probabilistic random walk after 1365761 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1365761 steps, saw 996108 distinct states, run finished after 3001 ms. (steps per millisecond=455 ) properties seen :0
[2025-05-31 23:32:36] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:32:36] [INFO ] Invariant cache hit.
[2025-05-31 23:32:36] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 279/293 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 171/464 variables, 58/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/464 variables, 41/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/464 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/470 variables, 6/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 1 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 279/293 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 171/464 variables, 58/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/464 variables, 41/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/464 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/464 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/470 variables, 6/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/470 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 290 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 555ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 5 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 568/568 transitions.
RANDOM walk for 40005 steps (466 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 21 ms. (1818 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3.22402e+06 after 6.13177e+06
Interrupted probabilistic random walk after 1279385 steps, run timeout after 3001 ms. (steps per millisecond=426 ) properties seen :0 out of 1
Probabilistic random walk after 1279385 steps, saw 928049 distinct states, run finished after 3002 ms. (steps per millisecond=426 ) properties seen :0
[2025-05-31 23:32:40] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:32:40] [INFO ] Invariant cache hit.
[2025-05-31 23:32:40] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 279/293 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 171/464 variables, 58/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/464 variables, 41/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/464 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/470 variables, 6/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 1 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 279/293 variables, 16/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/293 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 171/464 variables, 58/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/464 variables, 41/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/464 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/464 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/470 variables, 6/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/470 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/470 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 234 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 462ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 6 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 81/81 places, 568/568 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 568/568 transitions.
Applied a total of 0 rules in 20 ms. Remains 81 /81 variables (removed 0) and now considering 568/568 (removed 0) transitions.
[2025-05-31 23:32:40] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:32:40] [INFO ] Invariant cache hit.
[2025-05-31 23:32:40] [INFO ] Implicit Places using invariants in 125 ms returned []
[2025-05-31 23:32:40] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:32:40] [INFO ] Invariant cache hit.
[2025-05-31 23:32:40] [INFO ] State equation strengthened by 41 read => feed constraints.
[2025-05-31 23:32:41] [INFO ] Implicit Places using invariants and state equation in 333 ms returned []
Implicit Place search using SMT with State Equation took 468 ms to find 0 implicit places.
[2025-05-31 23:32:41] [INFO ] Redundant transitions in 3 ms returned []
Running 566 sub problems to find dead transitions.
[2025-05-31 23:32:41] [INFO ] Flow matrix only has 389 transitions (discarded 179 similar events)
[2025-05-31 23:32:41] [INFO ] Invariant cache hit.
[2025-05-31 23:32:41] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6.13177e+06 after 1.16917e+07
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.16917e+07 after 2.24198e+07
At refinement iteration 5 (OVERLAPS) 0/470 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Real declared 470/470 variables, and 123 constraints, problems are : Problem set: 0 solved, 566 unsolved in 17355 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 566 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 2 (OVERLAPS) 389/470 variables, 81/82 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/470 variables, 41/123 constraints. Problems are: Problem set: 0 solved, 566 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/470 variables, 566/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :2.24198e+07 after 4.42785e+07
At refinement iteration 5 (INCLUDED_ONLY) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
Detected timeout of ITS tools.
[2025-05-31 23:33:23] [INFO ] Flatten gal took : 13 ms
[2025-05-31 23:33:23] [INFO ] Applying decomposition
[2025-05-31 23:33:23] [INFO ] Flatten gal took : 12 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph5618344676314518424.txt' '-o' '/tmp/graph5618344676314518424.bin' '-w' '/tmp/graph5618344676314518424.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph5618344676314518424.bin' '-l' '-1' '-v' '-w' '/tmp/graph5618344676314518424.weights' '-q' '0' '-e' '0.001'
[2025-05-31 23:33:23] [INFO ] Decomposing Gal with order
[2025-05-31 23:33:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 23:33:23] [INFO ] Removed a total of 1220 redundant transitions.
[2025-05-31 23:33:23] [INFO ] Flatten gal took : 23 ms
[2025-05-31 23:33:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 106 labels/synchronizations in 4 ms.
[2025-05-31 23:33:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4906582706335054135.gal : 2 ms
[2025-05-31 23:33:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10432480600042928970.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4906582706335054135.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10432480600042928970.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality10432480600042928970.prop.
At refinement iteration 6 (OVERLAPS) 0/470 variables, 0/689 constraints. Problems are: Problem set: 0 solved, 566 unsolved
No progress, stopping.
After SMT solving in domain Int declared 470/470 variables, and 689 constraints, problems are : Problem set: 0 solved, 566 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 566/566 constraints, Known Traps: 0/0 constraints]
After SMT, in 47755ms problems are : Problem set: 0 solved, 566 unsolved
Search for dead transitions found 0 dead transitions in 47761ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48269 ms. Remains : 81/81 places, 568/568 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 179 transitions
Reduce isomorphic transitions removed 179 transitions.
Iterating post reduction 0 with 179 rules applied. Total rules applied 179 place count 81 transition count 389
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 179 place count 81 transition count 381
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 195 place count 73 transition count 381
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 199 place count 71 transition count 379
Applied a total of 199 rules in 11 ms. Remains 71 /81 variables (removed 10) and now considering 379/568 (removed 189) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 379 rows 71 cols
[2025-05-31 23:33:28] [INFO ] Computed 1 invariants in 1 ms
[2025-05-31 23:33:28] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-05-31 23:33:29] [INFO ] After 115ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-31 23:33:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-05-31 23:33:29] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 23:33:29] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-05-31 23:33:29] [INFO ] After 13ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 23:33:29] [INFO ] After 28ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 23:33:29] [INFO ] After 136ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-05-31 23:33:29] [INFO ] Flatten gal took : 10 ms
[2025-05-31 23:33:29] [INFO ] Flatten gal took : 9 ms
[2025-05-31 23:33:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9483688993001955918.gal : 3 ms
[2025-05-31 23:33:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4337306896103810039.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9483688993001955918.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4337306896103810039.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality4337306896103810039.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 63
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :63 after 931
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :931 after 13720
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :13720 after 31167
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :31167 after 78756
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :78756 after 2.42371e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.42371e+06 after 1.6184e+08
Detected timeout of ITS tools.
[2025-05-31 23:33:44] [INFO ] Flatten gal took : 17 ms
[2025-05-31 23:33:44] [INFO ] Applying decomposition
[2025-05-31 23:33:44] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph16975162479483793235.txt' '-o' '/tmp/graph16975162479483793235.bin' '-w' '/tmp/graph16975162479483793235.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph16975162479483793235.bin' '-l' '-1' '-v' '-w' '/tmp/graph16975162479483793235.weights' '-q' '0' '-e' '0.001'
[2025-05-31 23:33:44] [INFO ] Decomposing Gal with order
[2025-05-31 23:33:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 23:33:44] [INFO ] Removed a total of 864 redundant transitions.
[2025-05-31 23:33:44] [INFO ] Flatten gal took : 21 ms
[2025-05-31 23:33:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 63 labels/synchronizations in 6 ms.
[2025-05-31 23:33:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2522713273579634424.gal : 6 ms
[2025-05-31 23:33:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8424910879287705072.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2522713273579634424.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8424910879287705072.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality8424910879287705072.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :10 after 20
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :20 after 126
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :126 after 3432
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3432 after 60006
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :60006 after 109009
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :109009 after 141047
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30496 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p3s2-UpperBounds-13 in 177041 ms.
[2025-05-31 23:33:59] [INFO ] Flatten gal took : 14 ms
[2025-05-31 23:33:59] [INFO ] Applying decomposition
[2025-05-31 23:33:59] [INFO ] Flatten gal took : 13 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph16787423579030581848.txt' '-o' '/tmp/graph16787423579030581848.bin' '-w' '/tmp/graph16787423579030581848.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph16787423579030581848.bin' '-l' '-1' '-v' '-w' '/tmp/graph16787423579030581848.weights' '-q' '0' '-e' '0.001'
[2025-05-31 23:33:59] [INFO ] Decomposing Gal with order
[2025-05-31 23:33:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 23:33:59] [INFO ] Removed a total of 1223 redundant transitions.
[2025-05-31 23:33:59] [INFO ] Flatten gal took : 23 ms
[2025-05-31 23:33:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 76 labels/synchronizations in 5 ms.
[2025-05-31 23:33:59] [INFO ] Time to serialize gal into /tmp/UpperBounds3099731326868980749.gal : 3 ms
[2025-05-31 23:33:59] [INFO ] Time to serialize properties into /tmp/UpperBounds18319779429938221464.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds3099731326868980749.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds18319779429938221464.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds18319779429938221464.prop.
Detected timeout of ITS tools.
[2025-05-31 23:58:42] [INFO ] Flatten gal took : 14 ms
[2025-05-31 23:58:42] [INFO ] Time to serialize gal into /tmp/UpperBounds9390688357239906450.gal : 4 ms
[2025-05-31 23:58:42] [INFO ] Time to serialize properties into /tmp/UpperBounds7570935047519276223.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds9390688357239906450.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds7570935047519276223.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...304
Loading property file /tmp/UpperBounds7570935047519276223.prop.
ITS-tools command line returned an error code 137
[2025-06-01 00:11:52] [INFO ] Flatten gal took : 16 ms
[2025-06-01 00:11:52] [INFO ] Input system was already deterministic with 568 transitions.
[2025-06-01 00:11:52] [INFO ] Transformed 82 places.
[2025-06-01 00:11:52] [INFO ] Transformed 568 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2025-06-01 00:11:53] [INFO ] Time to serialize gal into /tmp/UpperBounds17690477283966120386.gal : 5 ms
[2025-06-01 00:11:53] [INFO ] Time to serialize properties into /tmp/UpperBounds11939375387756283160.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds17690477283966120386.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds11939375387756283160.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...351
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds11939375387756283160.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleLock-PT-p3s2"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
echo " Input is DoubleLock-PT-p3s2, 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 r083-tall-174860079700072"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s2.tgz
mv DoubleLock-PT-p3s2 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.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 ;