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.r069-smll-174854075800021.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is DBSingleClientW-PT-d2m10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r069-smll-174854075800021
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.6M 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 DBSingleClientW-PT-d2m10-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748603063178

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-05-30 11:04:25] [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]
[2025-05-30 11:04:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 11:04:26] [INFO ] Load time of PNML (sax parser for PT used): 663 ms
[2025-05-30 11:04:26] [INFO ] Transformed 4763 places.
[2025-05-30 11:04:26] [INFO ] Transformed 2478 transitions.
[2025-05-30 11:04:26] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 949 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 19 ms.
Deduced a syphon composed of 3580 places in 57 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
// Phase 1: matrix 2478 rows 1183 cols
[2025-05-30 11:04:26] [INFO ] Computed 6 invariants in 220 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[3255, 10, 7, 3255]
RANDOM walk for 10000 steps (2304 resets) in 573 ms. (17 steps per ms)
BEST_FIRST walk for 40003 steps (3728 resets) in 378 ms. (105 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 2, 0, 0] Max Struct:[3255, 10, 7, 3255]
[2025-05-30 11:04:27] [INFO ] Invariant cache hit.
[2025-05-30 11:04:28] [INFO ] [Real]Absence check using 2 positive place invariants in 34 ms returned sat
[2025-05-30 11:04:28] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 49 ms returned sat
[2025-05-30 11:04:30] [INFO ] [Real]Absence check using state equation in 1618 ms returned sat
[2025-05-30 11:04:30] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2025-05-30 11:04:32] [INFO ] [Real]Added 1588 Read/Feed constraints in 1654 ms returned sat
[2025-05-30 11:04:32] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:04:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 25 ms returned sat
[2025-05-30 11:04:33] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2025-05-30 11:04:34] [INFO ] [Nat]Absence check using state equation in 1236 ms returned sat
[2025-05-30 11:04:36] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 11:04:36] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2237 ms returned sat
[2025-05-30 11:04:38] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1279 ms.
[2025-05-30 11:04:38] [INFO ] Added : 0 causal constraints over 0 iterations in 1287 ms. Result :unknown
[2025-05-30 11:04:38] [INFO ] [Real]Absence check using 2 positive place invariants in 15 ms returned sat
[2025-05-30 11:04:38] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2025-05-30 11:04:39] [INFO ] [Real]Absence check using state equation in 1162 ms returned sat
[2025-05-30 11:04:41] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 11:04:41] [INFO ] [Real]Added 1588 Read/Feed constraints in 1824 ms returned sat
[2025-05-30 11:04:41] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:04:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 25 ms returned sat
[2025-05-30 11:04:41] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2025-05-30 11:04:43] [INFO ] [Nat]Absence check using state equation in 1189 ms returned sat
[2025-05-30 11:04:44] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1560 ms returned sat
[2025-05-30 11:04:45] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 808 ms.
[2025-05-30 11:04:46] [INFO ] Added : 1 causal constraints over 1 iterations in 1549 ms. Result :sat
Minimization took 220 ms.
[2025-05-30 11:04:46] [INFO ] [Real]Absence check using 2 positive place invariants in 24 ms returned sat
[2025-05-30 11:04:46] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 20 ms returned sat
[2025-05-30 11:04:48] [INFO ] [Real]Absence check using state equation in 1424 ms returned sat
[2025-05-30 11:04:49] [INFO ] [Real]Added 1588 Read/Feed constraints in 1529 ms returned sat
[2025-05-30 11:04:50] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:04:50] [INFO ] [Nat]Absence check using 2 positive place invariants in 25 ms returned sat
[2025-05-30 11:04:50] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2025-05-30 11:04:51] [INFO ] [Nat]Absence check using state equation in 1372 ms returned sat
[2025-05-30 11:04:53] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1582 ms returned sat
[2025-05-30 11:04:54] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 657 ms.
[2025-05-30 11:04:55] [INFO ] Added : 13 causal constraints over 3 iterations in 1604 ms. Result :unknown
[2025-05-30 11:04:55] [INFO ] [Real]Absence check using 2 positive place invariants in 18 ms returned sat
[2025-05-30 11:04:55] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 16 ms returned sat
[2025-05-30 11:04:56] [INFO ] [Real]Absence check using state equation in 1224 ms returned sat
[2025-05-30 11:04:57] [INFO ] [Real]Added 1588 Read/Feed constraints in 1062 ms returned sat
[2025-05-30 11:04:57] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:04:58] [INFO ] [Nat]Absence check using 2 positive place invariants in 16 ms returned sat
[2025-05-30 11:04:58] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2025-05-30 11:04:59] [INFO ] [Nat]Absence check using state equation in 1215 ms returned sat
[2025-05-30 11:05:00] [INFO ] SMT solver returned unknown. Retrying;
[2025-05-30 11:05:00] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1579 ms returned sat
[2025-05-30 11:05:01] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 511 ms.
[2025-05-30 11:05:02] [INFO ] Added : 13 causal constraints over 3 iterations in 1523 ms. Result :sat
Minimization took 367 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 2, 0, 0] Max Struct:[3255, 10, 7, 3255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 2, 0, 0] Max Struct:[3255, 10, 7, 3255]
Support contains 4 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.17 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 390 places :
Symmetric choice reduction at 1 with 390 rule applications. Total rules 608 place count 746 transition count 1201
Iterating global reduction 1 with 390 rules applied. Total rules applied 998 place count 746 transition count 1201
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1007 place count 746 transition count 1192
Discarding 316 places :
Symmetric choice reduction at 2 with 316 rule applications. Total rules 1323 place count 430 transition count 876
Iterating global reduction 2 with 316 rules applied. Total rules applied 1639 place count 430 transition count 876
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1651 place count 430 transition count 864
Discarding 239 places :
Symmetric choice reduction at 3 with 239 rule applications. Total rules 1890 place count 191 transition count 524
Iterating global reduction 3 with 239 rules applied. Total rules applied 2129 place count 191 transition count 524
Ensure Unique test removed 210 transitions
Reduce isomorphic transitions removed 210 transitions.
Iterating post reduction 3 with 210 rules applied. Total rules applied 2339 place count 191 transition count 314
Discarding 25 places :
Symmetric choice reduction at 4 with 25 rule applications. Total rules 2364 place count 166 transition count 274
Iterating global reduction 4 with 25 rules applied. Total rules applied 2389 place count 166 transition count 274
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2395 place count 166 transition count 268
Discarding 17 places :
Symmetric choice reduction at 5 with 17 rule applications. Total rules 2412 place count 149 transition count 251
Iterating global reduction 5 with 17 rules applied. Total rules applied 2429 place count 149 transition count 251
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2433 place count 149 transition count 247
Discarding 14 places :
Symmetric choice reduction at 6 with 14 rule applications. Total rules 2447 place count 135 transition count 233
Iterating global reduction 6 with 14 rules applied. Total rules applied 2461 place count 135 transition count 233
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 2474 place count 135 transition count 220
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 2480 place count 129 transition count 192
Iterating global reduction 7 with 6 rules applied. Total rules applied 2486 place count 129 transition count 192
Applied a total of 2486 rules in 470 ms. Remains 129 /1183 variables (removed 1054) and now considering 192/2478 (removed 2286) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 490 ms. Remains : 129/1183 places, 192/2478 transitions.
// Phase 1: matrix 192 rows 129 cols
[2025-05-30 11:05:03] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 2, 0, 0] Max Struct:[3255, 10, 7, 3255]
RANDOM walk for 1000000 steps (230009 resets) in 1945 ms. (513 steps per ms)
BEST_FIRST walk for 4000001 steps (383529 resets) in 3422 ms. (1168 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 4, 0, 0] Max Struct:[3255, 10, 7, 3255]
[2025-05-30 11:05:09] [INFO ] Invariant cache hit.
[2025-05-30 11:05:09] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 7 ms returned sat
[2025-05-30 11:05:09] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2025-05-30 11:05:09] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-05-30 11:05:09] [INFO ] [Real]Added 68 Read/Feed constraints in 20 ms returned sat
[2025-05-30 11:05:09] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:05:09] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:05:09] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2025-05-30 11:05:09] [INFO ] [Nat]Added 68 Read/Feed constraints in 36 ms returned sat
[2025-05-30 11:05:09] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 16 ms.
[2025-05-30 11:05:09] [INFO ] Deduced a trap composed of 15 places in 146 ms of which 20 ms to minimize.
[2025-05-30 11:05:09] [INFO ] Deduced a trap composed of 18 places in 111 ms of which 4 ms to minimize.
[2025-05-30 11:05:09] [INFO ] Deduced a trap composed of 13 places in 98 ms of which 3 ms to minimize.
[2025-05-30 11:05:10] [INFO ] Deduced a trap composed of 13 places in 122 ms of which 3 ms to minimize.
[2025-05-30 11:05:10] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 602 ms
[2025-05-30 11:05:10] [INFO ] Added : 17 causal constraints over 4 iterations in 735 ms. Result :sat
Minimization took 152 ms.
[2025-05-30 11:05:10] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:05:10] [INFO ] [Real]Absence check using state equation in 95 ms returned sat
[2025-05-30 11:05:10] [INFO ] [Real]Added 68 Read/Feed constraints in 17 ms returned sat
[2025-05-30 11:05:10] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:05:10] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:05:10] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-05-30 11:05:10] [INFO ] [Nat]Added 68 Read/Feed constraints in 16 ms returned sat
[2025-05-30 11:05:10] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 18 ms.
[2025-05-30 11:05:10] [INFO ] Added : 1 causal constraints over 1 iterations in 52 ms. Result :sat
Minimization took 133 ms.
[2025-05-30 11:05:10] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:05:10] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2025-05-30 11:05:11] [INFO ] [Real]Added 68 Read/Feed constraints in 26 ms returned sat
[2025-05-30 11:05:11] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:05:11] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:05:11] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2025-05-30 11:05:11] [INFO ] [Nat]Added 68 Read/Feed constraints in 30 ms returned sat
[2025-05-30 11:05:11] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 19 ms.
[2025-05-30 11:05:11] [INFO ] Added : 13 causal constraints over 3 iterations in 96 ms. Result :sat
Minimization took 149 ms.
[2025-05-30 11:05:11] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:05:11] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2025-05-30 11:05:11] [INFO ] [Real]Added 68 Read/Feed constraints in 20 ms returned sat
[2025-05-30 11:05:11] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:05:11] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:05:11] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2025-05-30 11:05:11] [INFO ] [Nat]Added 68 Read/Feed constraints in 28 ms returned sat
[2025-05-30 11:05:11] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 20 ms.
[2025-05-30 11:05:11] [INFO ] Deduced a trap composed of 16 places in 134 ms of which 3 ms to minimize.
[2025-05-30 11:05:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 158 ms
[2025-05-30 11:05:12] [INFO ] Added : 13 causal constraints over 3 iterations in 261 ms. Result :sat
Minimization took 162 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 4, 0, 0] Max Struct:[3255, 10, 7, 3255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 4, 0, 0] Max Struct:[3255, 10, 7, 3255]
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Applied a total of 0 rules in 17 ms. Remains 129 /129 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 129/129 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Applied a total of 0 rules in 11 ms. Remains 129 /129 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-05-30 11:05:12] [INFO ] Invariant cache hit.
[2025-05-30 11:05:12] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-05-30 11:05:12] [INFO ] Invariant cache hit.
[2025-05-30 11:05:12] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-05-30 11:05:13] [INFO ] Implicit Places using invariants and state equation in 444 ms returned []
Implicit Place search using SMT with State Equation took 583 ms to find 0 implicit places.
[2025-05-30 11:05:13] [INFO ] Redundant transitions in 8 ms returned []
Running 191 sub problems to find dead transitions.
[2025-05-30 11:05:13] [INFO ] Invariant cache hit.
[2025-05-30 11:05:13] [INFO ] State equation strengthened by 68 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 192/321 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 68/199 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (OVERLAPS) 0/321 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 191 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 199 constraints, problems are : Problem set: 0 solved, 191 unsolved in 9238 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 191 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 192/321 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 68/199 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 191/390 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/321 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 8 (OVERLAPS) 0/321 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 191 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/321 variables, and 390 constraints, problems are : Problem set: 0 solved, 191 unsolved in 23598 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 0/0 constraints]
After SMT, in 33479ms problems are : Problem set: 0 solved, 191 unsolved
Search for dead transitions found 0 dead transitions in 33499ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34121 ms. Remains : 129/129 places, 192/192 transitions.
[2025-05-30 11:05:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 4, 0, 0] Max Struct:[3255, 10, 7, 3255]
RANDOM walk for 1000000 steps (229841 resets) in 1928 ms. (518 steps per ms)
BEST_FIRST walk for 4000002 steps (382961 resets) in 3083 ms. (1297 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 4, 0, 0] Max Struct:[3255, 10, 7, 3255]
[2025-05-30 11:05:51] [INFO ] Invariant cache hit.
[2025-05-30 11:05:51] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:05:51] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2025-05-30 11:05:51] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-05-30 11:05:51] [INFO ] [Real]Added 68 Read/Feed constraints in 20 ms returned sat
[2025-05-30 11:05:51] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:05:51] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:05:51] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2025-05-30 11:05:51] [INFO ] [Nat]Added 68 Read/Feed constraints in 28 ms returned sat
[2025-05-30 11:05:51] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 14 ms.
[2025-05-30 11:05:52] [INFO ] Deduced a trap composed of 15 places in 156 ms of which 3 ms to minimize.
[2025-05-30 11:05:52] [INFO ] Deduced a trap composed of 18 places in 157 ms of which 3 ms to minimize.
[2025-05-30 11:05:52] [INFO ] Deduced a trap composed of 13 places in 155 ms of which 4 ms to minimize.
[2025-05-30 11:05:52] [INFO ] Deduced a trap composed of 13 places in 143 ms of which 5 ms to minimize.
[2025-05-30 11:05:52] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 749 ms
[2025-05-30 11:05:52] [INFO ] Added : 17 causal constraints over 4 iterations in 889 ms. Result :sat
Minimization took 206 ms.
[2025-05-30 11:05:53] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:05:53] [INFO ] [Real]Absence check using state equation in 107 ms returned sat
[2025-05-30 11:05:53] [INFO ] [Real]Added 68 Read/Feed constraints in 23 ms returned sat
[2025-05-30 11:05:53] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:05:53] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:05:53] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2025-05-30 11:05:53] [INFO ] [Nat]Added 68 Read/Feed constraints in 21 ms returned sat
[2025-05-30 11:05:53] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 25 ms.
[2025-05-30 11:05:53] [INFO ] Added : 1 causal constraints over 1 iterations in 76 ms. Result :sat
Minimization took 189 ms.
[2025-05-30 11:05:53] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:05:53] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2025-05-30 11:05:53] [INFO ] [Real]Added 68 Read/Feed constraints in 33 ms returned sat
[2025-05-30 11:05:53] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:05:54] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:05:54] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2025-05-30 11:05:54] [INFO ] [Nat]Added 68 Read/Feed constraints in 37 ms returned sat
[2025-05-30 11:05:54] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 27 ms.
[2025-05-30 11:05:54] [INFO ] Added : 13 causal constraints over 3 iterations in 139 ms. Result :sat
Minimization took 208 ms.
[2025-05-30 11:05:54] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:05:54] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2025-05-30 11:05:54] [INFO ] [Real]Added 68 Read/Feed constraints in 27 ms returned sat
[2025-05-30 11:05:54] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:05:54] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:05:54] [INFO ] [Nat]Absence check using state equation in 118 ms returned sat
[2025-05-30 11:05:55] [INFO ] [Nat]Added 68 Read/Feed constraints in 44 ms returned sat
[2025-05-30 11:05:55] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 25 ms.
[2025-05-30 11:05:55] [INFO ] Deduced a trap composed of 16 places in 134 ms of which 3 ms to minimize.
[2025-05-30 11:05:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 161 ms
[2025-05-30 11:05:55] [INFO ] Added : 13 causal constraints over 3 iterations in 301 ms. Result :sat
Minimization took 133 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 4, 0, 0] Max Struct:[3255, 10, 7, 3255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 4, 0, 0] Max Struct:[3255, 10, 7, 3255]
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Applied a total of 0 rules in 14 ms. Remains 129 /129 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 129/129 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Applied a total of 0 rules in 16 ms. Remains 129 /129 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2025-05-30 11:05:55] [INFO ] Invariant cache hit.
[2025-05-30 11:05:55] [INFO ] Implicit Places using invariants in 183 ms returned []
[2025-05-30 11:05:56] [INFO ] Invariant cache hit.
[2025-05-30 11:05:56] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-05-30 11:05:56] [INFO ] Implicit Places using invariants and state equation in 438 ms returned []
Implicit Place search using SMT with State Equation took 626 ms to find 0 implicit places.
[2025-05-30 11:05:56] [INFO ] Redundant transitions in 13 ms returned []
Running 191 sub problems to find dead transitions.
[2025-05-30 11:05:56] [INFO ] Invariant cache hit.
[2025-05-30 11:05:56] [INFO ] State equation strengthened by 68 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 192/321 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 68/199 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (OVERLAPS) 0/321 variables, 0/199 constraints. Problems are: Problem set: 0 solved, 191 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 199 constraints, problems are : Problem set: 0 solved, 191 unsolved in 10401 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 191 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 4 (OVERLAPS) 192/321 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 68/199 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 191/390 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/321 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 191 unsolved
At refinement iteration 8 (OVERLAPS) 0/321 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 191 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/321 variables, and 390 constraints, problems are : Problem set: 0 solved, 191 unsolved in 24055 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 191/191 constraints, Known Traps: 0/0 constraints]
After SMT, in 34972ms problems are : Problem set: 0 solved, 191 unsolved
Search for dead transitions found 0 dead transitions in 34981ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35644 ms. Remains : 129/129 places, 192/192 transitions.
[2025-05-30 11:06:32] [INFO ] Flatten gal took : 267 ms
RANDOM walk for 40000 steps (9237 resets) in 2794 ms. (14 steps per ms) remains 8/8 properties
[2025-05-30 11:06:32] [INFO ] Flatten gal took : 120 ms
BEST_FIRST walk for 40001 steps (3903 resets) in 510 ms. (78 steps per ms) remains 8/8 properties
[2025-05-30 11:06:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4843757942758645471.gal : 25 ms
BEST_FIRST walk for 40004 steps (3901 resets) in 211 ms. (188 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3930 resets) in 136 ms. (291 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (3846 resets) in 135 ms. (294 steps per ms) remains 8/8 properties
[2025-05-30 11:06:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13940315452184472198.prop : 1 ms
BEST_FIRST walk for 40001 steps (3777 resets) in 113 ms. (350 steps per ms) remains 8/8 properties
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/ReachabilityCardinality4843757942758645471.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13940315452184472198.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 40002 steps (3866 resets) in 107 ms. (370 steps per ms) remains 8/8 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
BEST_FIRST walk for 40003 steps (3699 resets) in 138 ms. (287 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality13940315452184472198.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :182 after 294
BEST_FIRST walk for 40002 steps (3759 resets) in 176 ms. (226 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :294 after 528
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :528 after 928
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :928 after 2100
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :2100 after 14644
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :14644 after 75479
Interrupted probabilistic random walk after 357362 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :3 out of 8
Probabilistic random walk after 357362 steps, saw 145661 distinct states, run finished after 3008 ms. (steps per millisecond=118 ) properties seen :3
[2025-05-30 11:06:35] [INFO ] Invariant cache hit.
[2025-05-30 11:06:35] [INFO ] State equation strengthened by 68 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 74/78 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/78 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/93 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/93 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 136/229 variables, 93/95 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/229 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem MAX0 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
At refinement iteration 7 (OVERLAPS) 85/314 variables, 32/127 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/314 variables, 65/192 constraints. Problems are: Problem set: 3 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/314 variables, 0/192 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 7/321 variables, 4/196 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/321 variables, 3/199 constraints. Problems are: Problem set: 3 solved, 2 unsolved
[2025-05-30 11:06:36] [INFO ] Deduced a trap composed of 16 places in 114 ms of which 3 ms to minimize.
Problem MAX1 is UNSAT
At refinement iteration 12 (INCLUDED_ONLY) 0/321 variables, 1/200 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/321 variables, 0/200 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/321 variables, 0/200 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 200 constraints, problems are : Problem set: 4 solved, 1 unsolved in 457 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 4 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 134/137 variables, 4/5 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 8/13 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 1/14 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 0/14 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 73/210 variables, 1/15 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 54/69 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 0/69 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/225 variables, 1/70 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/225 variables, 11/81 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/225 variables, 0/81 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 96/321 variables, 59/140 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/321 variables, 60/200 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/321 variables, 1/201 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/321 variables, 0/201 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/321 variables, 0/201 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/321 variables, and 201 constraints, problems are : Problem set: 4 solved, 1 unsolved in 160 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 1/5 constraints, Known Traps: 1/1 constraints]
After SMT, in 630ms problems are : Problem set: 4 solved, 1 unsolved
Parikh walk visited 0 properties in 7 ms.
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 126 transition count 189
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 126 transition count 189
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 8 place count 126 transition count 187
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 10 place count 124 transition count 177
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 124 transition count 177
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 13 place count 124 transition count 176
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 14 place count 123 transition count 168
Iterating global reduction 2 with 1 rules applied. Total rules applied 15 place count 123 transition count 168
Applied a total of 15 rules in 24 ms. Remains 123 /129 variables (removed 6) and now considering 168/192 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 123/129 places, 168/192 transitions.
RANDOM walk for 40000 steps (9216 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3944 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :75479 after 608782
Interrupted probabilistic random walk after 1966634 steps, run timeout after 3001 ms. (steps per millisecond=655 ) properties seen :0 out of 1
Probabilistic random walk after 1966634 steps, saw 820438 distinct states, run finished after 3001 ms. (steps per millisecond=655 ) properties seen :0
// Phase 1: matrix 168 rows 123 cols
[2025-05-30 11:06:39] [INFO ] Computed 2 invariants in 2 ms
[2025-05-30 11:06:39] [INFO ] State equation strengthened by 49 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/132 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 72/204 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 53/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/219 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/219 variables, 11/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 72/291 variables, 54/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/291 variables, 41/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 174 constraints, problems are : Problem set: 0 solved, 1 unsolved in 149 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :608782 after 2.2142e+06
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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/132 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 72/204 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/204 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/219 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 72/291 variables, 54/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/291 variables, 41/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/291 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/291 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 175 constraints, problems are : Problem set: 0 solved, 1 unsolved in 140 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 298ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 5 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 7 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 123/123 places, 168/168 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 6 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2025-05-30 11:06:39] [INFO ] Invariant cache hit.
[2025-05-30 11:06:40] [INFO ] Implicit Places using invariants in 125 ms returned []
[2025-05-30 11:06:40] [INFO ] Invariant cache hit.
[2025-05-30 11:06:40] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-05-30 11:06:40] [INFO ] Implicit Places using invariants and state equation in 324 ms returned []
Implicit Place search using SMT with State Equation took 451 ms to find 0 implicit places.
[2025-05-30 11:06:40] [INFO ] Redundant transitions in 2 ms returned []
Running 167 sub problems to find dead transitions.
[2025-05-30 11:06:40] [INFO ] Invariant cache hit.
[2025-05-30 11:06:40] [INFO ] State equation strengthened by 49 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/123 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Invariant property MIN1 does not hold.
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :2.2142e+06 after 4.05268e+07
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/125 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 49/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 174 constraints, problems are : Problem set: 0 solved, 167 unsolved in 6913 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/123 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/125 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 49/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 167/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :4.05268e+07 after 5.48173e+07
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 0/291 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 341 constraints, problems are : Problem set: 0 solved, 167 unsolved in 17767 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints]
After SMT, in 25038ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 25041ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25508 ms. Remains : 123/123 places, 168/168 transitions.
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:[0, 4, 0, 0] Max Struct:[3255, 10, 7, 3255]
Starting property specific reduction for DBSingleClientW-PT-d2m10-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:[3255]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3255]
// Phase 1: matrix 192 rows 129 cols
[2025-05-30 11:07:05] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3255]
RANDOM walk for 10000 steps (2275 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 10000 steps (971 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3255]
[2025-05-30 11:07:05] [INFO ] Invariant cache hit.
[2025-05-30 11:07:05] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:07:05] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-05-30 11:07:05] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-05-30 11:07:05] [INFO ] [Real]Added 68 Read/Feed constraints in 19 ms returned sat
[2025-05-30 11:07:05] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:07:05] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:07:05] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2025-05-30 11:07:05] [INFO ] [Nat]Added 68 Read/Feed constraints in 25 ms returned sat
[2025-05-30 11:07:05] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 16 ms.
[2025-05-30 11:07:06] [INFO ] Deduced a trap composed of 15 places in 129 ms of which 3 ms to minimize.
[2025-05-30 11:07:06] [INFO ] Deduced a trap composed of 18 places in 110 ms of which 2 ms to minimize.
[2025-05-30 11:07:06] [INFO ] Deduced a trap composed of 13 places in 144 ms of which 3 ms to minimize.
[2025-05-30 11:07:06] [INFO ] Deduced a trap composed of 13 places in 121 ms of which 2 ms to minimize.
[2025-05-30 11:07:06] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 632 ms
[2025-05-30 11:07:06] [INFO ] Added : 17 causal constraints over 4 iterations in 767 ms. Result :sat
Minimization took 200 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3255]
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 127 transition count 190
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 127 transition count 190
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 127 transition count 189
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 126 transition count 187
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 126 transition count 187
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 8 place count 126 transition count 186
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 9 place count 125 transition count 178
Iterating global reduction 2 with 1 rules applied. Total rules applied 10 place count 125 transition count 178
Applied a total of 10 rules in 31 ms. Remains 125 /129 variables (removed 4) and now considering 178/192 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 125/129 places, 178/192 transitions.
// Phase 1: matrix 178 rows 125 cols
[2025-05-30 11:07:06] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3255]
RANDOM walk for 1000000 steps (229903 resets) in 1695 ms. (589 steps per ms)
BEST_FIRST walk for 1000000 steps (95411 resets) in 688 ms. (1451 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3255]
[2025-05-30 11:07:09] [INFO ] Invariant cache hit.
[2025-05-30 11:07:09] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:07:09] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2025-05-30 11:07:09] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 11:07:09] [INFO ] [Real]Added 58 Read/Feed constraints in 18 ms returned sat
[2025-05-30 11:07:09] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:07:09] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:07:09] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2025-05-30 11:07:09] [INFO ] [Nat]Added 58 Read/Feed constraints in 27 ms returned sat
[2025-05-30 11:07:09] [INFO ] Computed and/alt/rep : 49/117/49 causal constraints (skipped 128 transitions) in 23 ms.
[2025-05-30 11:07:10] [INFO ] Deduced a trap composed of 15 places in 156 ms of which 3 ms to minimize.
[2025-05-30 11:07:10] [INFO ] Deduced a trap composed of 14 places in 115 ms of which 3 ms to minimize.
[2025-05-30 11:07:10] [INFO ] Deduced a trap composed of 14 places in 112 ms of which 3 ms to minimize.
[2025-05-30 11:07:10] [INFO ] Deduced a trap composed of 15 places in 145 ms of which 3 ms to minimize.
[2025-05-30 11:07:10] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 642 ms
[2025-05-30 11:07:10] [INFO ] Added : 21 causal constraints over 5 iterations in 832 ms. Result :sat
Minimization took 128 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3255]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 7 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 125/125 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2025-05-30 11:07:10] [INFO ] Invariant cache hit.
[2025-05-30 11:07:10] [INFO ] Implicit Places using invariants in 133 ms returned []
[2025-05-30 11:07:10] [INFO ] Invariant cache hit.
[2025-05-30 11:07:10] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 11:07:11] [INFO ] Implicit Places using invariants and state equation in 399 ms returned []
Implicit Place search using SMT with State Equation took 538 ms to find 0 implicit places.
[2025-05-30 11:07:11] [INFO ] Redundant transitions in 3 ms returned []
Running 177 sub problems to find dead transitions.
[2025-05-30 11:07:11] [INFO ] Invariant cache hit.
[2025-05-30 11:07:11] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 185 constraints, problems are : Problem set: 0 solved, 177 unsolved in 9324 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 177/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/303 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 303/303 variables, and 362 constraints, problems are : Problem set: 0 solved, 177 unsolved in 22909 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
After SMT, in 32682ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 32687ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33241 ms. Remains : 125/125 places, 178/178 transitions.
[2025-05-30 11:07:44] [INFO ] Flatten gal took : 63 ms
[2025-05-30 11:07:44] [INFO ] Flatten gal took : 84 ms
RANDOM walk for 40000 steps (9164 resets) in 421 ms. (94 steps per ms) remains 2/2 properties
[2025-05-30 11:07:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13727093769892260938.gal : 21 ms
[2025-05-30 11:07:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6252096637439846766.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/ReachabilityCardinality13727093769892260938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6252096637439846766.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
BEST_FIRST walk for 40002 steps (3870 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality6252096637439846766.prop.
BEST_FIRST walk for 40002 steps (3831 resets) in 116 ms. (341 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 294
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 498
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :498 after 898
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :898 after 1648
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1648 after 14578
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :14578 after 77024
Interrupted probabilistic random walk after 1778014 steps, run timeout after 3001 ms. (steps per millisecond=592 ) properties seen :1 out of 2
Probabilistic random walk after 1778014 steps, saw 735098 distinct states, run finished after 3001 ms. (steps per millisecond=592 ) properties seen :1
[2025-05-30 11:07:47] [INFO ] Invariant cache hit.
[2025-05-30 11:07:47] [INFO ] State equation strengthened by 58 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 131/134 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 72/206 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/221 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 303/303 variables, and 136 constraints, problems are : Problem set: 1 solved, 0 unsolved in 134 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 9/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 146ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[0] Max Struct:[3255]
Ending property specific reduction for DBSingleClientW-PT-d2m10-UpperBounds-02 in 41857 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m10-UpperBounds-03
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:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 192 rows 129 cols
[2025-05-30 11:07:47] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (2328 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 10000 steps (953 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[10]
[2025-05-30 11:07:47] [INFO ] Invariant cache hit.
[2025-05-30 11:07:47] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:07:47] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2025-05-30 11:07:47] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-05-30 11:07:47] [INFO ] [Real]Added 68 Read/Feed constraints in 14 ms returned sat
[2025-05-30 11:07:47] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:07:47] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:07:47] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2025-05-30 11:07:47] [INFO ] [Nat]Added 68 Read/Feed constraints in 21 ms returned sat
[2025-05-30 11:07:47] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 31 ms.
[2025-05-30 11:07:47] [INFO ] Added : 1 causal constraints over 1 iterations in 63 ms. Result :sat
Minimization took 107 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[10]
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 126 transition count 189
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 126 transition count 189
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 8 place count 126 transition count 187
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 10 place count 124 transition count 177
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 124 transition count 177
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 13 place count 124 transition count 176
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 14 place count 123 transition count 168
Iterating global reduction 2 with 1 rules applied. Total rules applied 15 place count 123 transition count 168
Applied a total of 15 rules in 25 ms. Remains 123 /129 variables (removed 6) and now considering 168/192 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 123/129 places, 168/192 transitions.
// Phase 1: matrix 168 rows 123 cols
[2025-05-30 11:07:48] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[10]
RANDOM walk for 1000000 steps (230258 resets) in 1794 ms. (557 steps per ms)
BEST_FIRST walk for 1000000 steps (95955 resets) in 644 ms. (1550 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[10]
[2025-05-30 11:07:50] [INFO ] Invariant cache hit.
[2025-05-30 11:07:50] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:07:50] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-05-30 11:07:50] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-05-30 11:07:50] [INFO ] [Real]Added 49 Read/Feed constraints in 15 ms returned sat
[2025-05-30 11:07:50] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:07:50] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:07:50] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2025-05-30 11:07:50] [INFO ] [Nat]Added 49 Read/Feed constraints in 14 ms returned sat
[2025-05-30 11:07:50] [INFO ] Computed and/alt/rep : 49/115/49 causal constraints (skipped 118 transitions) in 20 ms.
[2025-05-30 11:07:50] [INFO ] Added : 1 causal constraints over 1 iterations in 57 ms. Result :sat
Minimization took 117 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[10]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 10 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 123/123 places, 168/168 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 7 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2025-05-30 11:07:51] [INFO ] Invariant cache hit.
[2025-05-30 11:07:51] [INFO ] Implicit Places using invariants in 230 ms returned []
[2025-05-30 11:07:51] [INFO ] Invariant cache hit.
[2025-05-30 11:07:51] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-05-30 11:07:51] [INFO ] Implicit Places using invariants and state equation in 551 ms returned []
Implicit Place search using SMT with State Equation took 783 ms to find 0 implicit places.
[2025-05-30 11:07:51] [INFO ] Redundant transitions in 2 ms returned []
Running 167 sub problems to find dead transitions.
[2025-05-30 11:07:51] [INFO ] Invariant cache hit.
[2025-05-30 11:07:51] [INFO ] State equation strengthened by 49 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/123 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/125 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 49/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 174 constraints, problems are : Problem set: 0 solved, 167 unsolved in 5890 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/123 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/125 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 49/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 167/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 0/291 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 341 constraints, problems are : Problem set: 0 solved, 167 unsolved in 17159 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints]
After SMT, in 23442ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 23446ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24252 ms. Remains : 123/123 places, 168/168 transitions.
[2025-05-30 11:08:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[10]
RANDOM walk for 1000000 steps (229810 resets) in 1416 ms. (705 steps per ms)
BEST_FIRST walk for 1000001 steps (96247 resets) in 656 ms. (1522 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[10]
[2025-05-30 11:08:17] [INFO ] Invariant cache hit.
[2025-05-30 11:08:17] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:08:17] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2025-05-30 11:08:17] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-05-30 11:08:17] [INFO ] [Real]Added 49 Read/Feed constraints in 15 ms returned sat
[2025-05-30 11:08:17] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:08:17] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:08:17] [INFO ] [Nat]Absence check using state equation in 102 ms returned sat
[2025-05-30 11:08:17] [INFO ] [Nat]Added 49 Read/Feed constraints in 15 ms returned sat
[2025-05-30 11:08:17] [INFO ] Computed and/alt/rep : 49/115/49 causal constraints (skipped 118 transitions) in 23 ms.
[2025-05-30 11:08:17] [INFO ] Added : 1 causal constraints over 1 iterations in 81 ms. Result :sat
Minimization took 115 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[10]
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 8 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 123/123 places, 168/168 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 7 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2025-05-30 11:08:17] [INFO ] Invariant cache hit.
[2025-05-30 11:08:18] [INFO ] Implicit Places using invariants in 191 ms returned []
[2025-05-30 11:08:18] [INFO ] Invariant cache hit.
[2025-05-30 11:08:18] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-05-30 11:08:18] [INFO ] Implicit Places using invariants and state equation in 586 ms returned []
Implicit Place search using SMT with State Equation took 791 ms to find 0 implicit places.
[2025-05-30 11:08:18] [INFO ] Redundant transitions in 1 ms returned []
Running 167 sub problems to find dead transitions.
[2025-05-30 11:08:18] [INFO ] Invariant cache hit.
[2025-05-30 11:08:18] [INFO ] State equation strengthened by 49 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/123 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/125 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 49/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 174 constraints, problems are : Problem set: 0 solved, 167 unsolved in 8553 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/123 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/125 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 49/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 167/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 0/291 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 341 constraints, problems are : Problem set: 0 solved, 167 unsolved in 18640 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints]
After SMT, in 27583ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 27586ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28394 ms. Remains : 123/123 places, 168/168 transitions.
[2025-05-30 11:08:46] [INFO ] Flatten gal took : 43 ms
RANDOM walk for 40000 steps (9156 resets) in 126 ms. (314 steps per ms) remains 2/2 properties
[2025-05-30 11:08:46] [INFO ] Flatten gal took : 31 ms
[2025-05-30 11:08:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15717237203993309784.gal : 5 ms
[2025-05-30 11:08:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12843082105068212163.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/ReachabilityCardinality15717237203993309784.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12843082105068212163.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (3783 resets) in 113 ms. (350 steps per ms) remains 2/2 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 ...330
Loading property file /tmp/ReachabilityCardinality12843082105068212163.prop.
BEST_FIRST walk for 40003 steps (3747 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 294
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 528
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :528 after 928
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :928 after 2100
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2100 after 14206
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :14206 after 51036
Interrupted probabilistic random walk after 612866 steps, run timeout after 3001 ms. (steps per millisecond=204 ) properties seen :0 out of 2
Probabilistic random walk after 612866 steps, saw 260001 distinct states, run finished after 3001 ms. (steps per millisecond=204 ) properties seen :0
[2025-05-30 11:08:49] [INFO ] Invariant cache hit.
[2025-05-30 11:08:49] [INFO ] State equation strengthened by 49 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 129/132 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 72/204 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 53/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 15/219 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/219 variables, 11/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 72/291 variables, 54/133 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/291 variables, 41/174 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-05-30 11:08:49] [INFO ] Deduced a trap composed of 11 places in 80 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 14 (INCLUDED_ONLY) 0/291 variables, 1/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/291 variables, 0/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/291 variables, 0/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 175 constraints, problems are : Problem set: 1 solved, 1 unsolved in 271 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/132 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 8/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 72/204 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 53/68 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/204 variables, 0/68 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/219 variables, 1/69 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 11/80 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/80 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 72/291 variables, 54/134 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/291 variables, 41/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/291 variables, 1/176 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/291 variables, 0/176 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/291 variables, 0/176 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 176 constraints, problems are : Problem set: 1 solved, 1 unsolved in 151 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 442ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 7 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 5 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 123/123 places, 168/168 transitions.
RANDOM walk for 40000 steps (9226 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (3814 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :51036 after 690215
Interrupted probabilistic random walk after 2166058 steps, run timeout after 3001 ms. (steps per millisecond=721 ) properties seen :0 out of 1
Probabilistic random walk after 2166058 steps, saw 896241 distinct states, run finished after 3001 ms. (steps per millisecond=721 ) properties seen :0
[2025-05-30 11:08:53] [INFO ] Invariant cache hit.
[2025-05-30 11:08:53] [INFO ] State equation strengthened by 49 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/132 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 72/204 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/204 variables, 53/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/219 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/219 variables, 11/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 72/291 variables, 54/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/291 variables, 41/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 174 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/132 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 72/204 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/204 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/204 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/219 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/219 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 72/291 variables, 54/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/291 variables, 41/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/291 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/291 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 175 constraints, problems are : Problem set: 0 solved, 1 unsolved in 142 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 291ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 7 ms.
Support contains 1 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 4 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 123/123 places, 168/168 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 168/168 transitions.
Applied a total of 0 rules in 32 ms. Remains 123 /123 variables (removed 0) and now considering 168/168 (removed 0) transitions.
[2025-05-30 11:08:53] [INFO ] Invariant cache hit.
[2025-05-30 11:08:53] [INFO ] Implicit Places using invariants in 203 ms returned []
[2025-05-30 11:08:53] [INFO ] Invariant cache hit.
[2025-05-30 11:08:53] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-05-30 11:08:53] [INFO ] Implicit Places using invariants and state equation in 362 ms returned []
Implicit Place search using SMT with State Equation took 584 ms to find 0 implicit places.
[2025-05-30 11:08:53] [INFO ] Redundant transitions in 1 ms returned []
Running 167 sub problems to find dead transitions.
[2025-05-30 11:08:53] [INFO ] Invariant cache hit.
[2025-05-30 11:08:53] [INFO ] State equation strengthened by 49 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :690215 after 1.97484e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/123 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/125 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 49/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.97484e+06 after 4.05779e+07
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (OVERLAPS) 0/291 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 291/291 variables, and 174 constraints, problems are : Problem set: 0 solved, 167 unsolved in 6407 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (OVERLAPS) 1/123 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (OVERLAPS) 168/291 variables, 123/125 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/291 variables, 49/174 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 167/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.05779e+07 after 5.28663e+07
At refinement iteration 7 (INCLUDED_ONLY) 0/291 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 0/291 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Int declared 291/291 variables, and 341 constraints, problems are : Problem set: 0 solved, 167 unsolved in 16298 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 123/123 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints]
After SMT, in 22930ms problems are : Problem set: 0 solved, 167 unsolved
Search for dead transitions found 0 dead transitions in 22932ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23555 ms. Remains : 123/123 places, 168/168 transitions.
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:[10]
Ending property specific reduction for DBSingleClientW-PT-d2m10-UpperBounds-03 in 89528 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m10-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[7]
// Phase 1: matrix 192 rows 129 cols
[2025-05-30 11:09:16] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 10000 steps (2297 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 10000 steps (992 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 11:09:16] [INFO ] Invariant cache hit.
[2025-05-30 11:09:17] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:09:17] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2025-05-30 11:09:17] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-05-30 11:09:17] [INFO ] [Real]Added 68 Read/Feed constraints in 31 ms returned sat
[2025-05-30 11:09:17] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:09:17] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2025-05-30 11:09:17] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2025-05-30 11:09:17] [INFO ] [Nat]Added 68 Read/Feed constraints in 36 ms returned sat
[2025-05-30 11:09:17] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 24 ms.
[2025-05-30 11:09:17] [INFO ] Added : 13 causal constraints over 3 iterations in 128 ms. Result :sat
Minimization took 130 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 127 transition count 190
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 127 transition count 190
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 127 transition count 188
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 126 transition count 180
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 126 transition count 180
Applied a total of 8 rules in 11 ms. Remains 126 /129 variables (removed 3) and now considering 180/192 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 126/129 places, 180/192 transitions.
// Phase 1: matrix 180 rows 126 cols
[2025-05-30 11:09:17] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[7]
RANDOM walk for 1000000 steps (229958 resets) in 1706 ms. (585 steps per ms)
BEST_FIRST walk for 1000000 steps (95963 resets) in 693 ms. (1440 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[7]
[2025-05-30 11:09:20] [INFO ] Invariant cache hit.
[2025-05-30 11:09:20] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:09:20] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2025-05-30 11:09:20] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 11:09:20] [INFO ] [Real]Added 58 Read/Feed constraints in 12 ms returned sat
[2025-05-30 11:09:20] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:09:20] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:09:20] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2025-05-30 11:09:20] [INFO ] [Nat]Added 58 Read/Feed constraints in 18 ms returned sat
[2025-05-30 11:09:20] [INFO ] Computed and/alt/rep : 50/119/50 causal constraints (skipped 129 transitions) in 13 ms.
[2025-05-30 11:09:20] [INFO ] Added : 13 causal constraints over 3 iterations in 79 ms. Result :sat
Minimization took 170 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[7]
Support contains 1 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 180/180 transitions.
Applied a total of 0 rules in 7 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 126/126 places, 180/180 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 180/180 transitions.
Applied a total of 0 rules in 6 ms. Remains 126 /126 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2025-05-30 11:09:20] [INFO ] Invariant cache hit.
[2025-05-30 11:09:20] [INFO ] Implicit Places using invariants in 152 ms returned []
[2025-05-30 11:09:20] [INFO ] Invariant cache hit.
[2025-05-30 11:09:21] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 11:09:21] [INFO ] Implicit Places using invariants and state equation in 675 ms returned []
Implicit Place search using SMT with State Equation took 829 ms to find 0 implicit places.
[2025-05-30 11:09:21] [INFO ] Redundant transitions in 1 ms returned []
Running 179 sub problems to find dead transitions.
[2025-05-30 11:09:21] [INFO ] Invariant cache hit.
[2025-05-30 11:09:21] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 180/306 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (OVERLAPS) 0/306 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 186 constraints, problems are : Problem set: 0 solved, 179 unsolved in 9791 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 179 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 2 (OVERLAPS) 1/126 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 4 (OVERLAPS) 180/306 variables, 126/128 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 58/186 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 179/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
At refinement iteration 8 (OVERLAPS) 0/306 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 179 unsolved
No progress, stopping.
After SMT solving in domain Int declared 306/306 variables, and 365 constraints, problems are : Problem set: 0 solved, 179 unsolved in 19590 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 126/126 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints]
After SMT, in 29795ms problems are : Problem set: 0 solved, 179 unsolved
Search for dead transitions found 0 dead transitions in 29799ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30646 ms. Remains : 126/126 places, 180/180 transitions.
[2025-05-30 11:09:51] [INFO ] Flatten gal took : 38 ms
[2025-05-30 11:09:51] [INFO ] Flatten gal took : 14 ms
[2025-05-30 11:09:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10616572625512927071.gal : 3 ms
[2025-05-30 11:09:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10391592200359419882.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/ReachabilityCardinality10616572625512927071.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10391592200359419882.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/ReachabilityCardinality10391592200359419882.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
RANDOM walk for 40000 steps (9204 resets) in 272 ms. (146 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 294
BEST_FIRST walk for 40004 steps (3916 resets) in 151 ms. (263 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 498
BEST_FIRST walk for 40003 steps (3879 resets) in 110 ms. (360 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :498 after 838
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :838 after 1512
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1512 after 10094
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :10094 after 46421
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :46421 after 511398
Interrupted probabilistic random walk after 1821714 steps, run timeout after 3001 ms. (steps per millisecond=607 ) properties seen :1 out of 2
Probabilistic random walk after 1821714 steps, saw 753421 distinct states, run finished after 3001 ms. (steps per millisecond=607 ) properties seen :1
[2025-05-30 11:09:54] [INFO ] Invariant cache hit.
[2025-05-30 11:09:54] [INFO ] State equation strengthened by 58 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) 74/75 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 15/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 131/221 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/221 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 297/306 variables, and 123 constraints, problems are : Problem set: 1 solved, 0 unsolved in 209 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 121/126 constraints, ReadFeed: 0/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 216ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[0] Max Struct:[7]
Ending property specific reduction for DBSingleClientW-PT-d2m10-UpperBounds-06 in 37930 ms.
Starting property specific reduction for DBSingleClientW-PT-d2m10-UpperBounds-11
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:[3255]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3255]
// Phase 1: matrix 192 rows 129 cols
[2025-05-30 11:09:54] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3255]
RANDOM walk for 10000 steps (2308 resets) in 29 ms. (333 steps per ms)
BEST_FIRST walk for 10001 steps (957 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3255]
[2025-05-30 11:09:54] [INFO ] Invariant cache hit.
[2025-05-30 11:09:54] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2025-05-30 11:09:55] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-05-30 11:09:55] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-05-30 11:09:55] [INFO ] [Real]Added 68 Read/Feed constraints in 20 ms returned sat
[2025-05-30 11:09:55] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:09:55] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:09:55] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2025-05-30 11:09:55] [INFO ] [Nat]Added 68 Read/Feed constraints in 30 ms returned sat
[2025-05-30 11:09:55] [INFO ] Computed and/alt/rep : 50/123/50 causal constraints (skipped 141 transitions) in 18 ms.
[2025-05-30 11:09:55] [INFO ] Deduced a trap composed of 16 places in 95 ms of which 2 ms to minimize.
[2025-05-30 11:09:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 120 ms
[2025-05-30 11:09:55] [INFO ] Added : 13 causal constraints over 3 iterations in 228 ms. Result :sat
Minimization took 197 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3255]
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 192/192 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 127 transition count 190
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 127 transition count 190
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 127 transition count 189
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 7 place count 125 transition count 179
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 125 transition count 179
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 125 transition count 178
Applied a total of 10 rules in 17 ms. Remains 125 /129 variables (removed 4) and now considering 178/192 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 125/129 places, 178/192 transitions.
// Phase 1: matrix 178 rows 125 cols
[2025-05-30 11:09:55] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3255]
RANDOM walk for 1000000 steps (230163 resets) in 1774 ms. (563 steps per ms)
BEST_FIRST walk for 1000001 steps (95535 resets) in 689 ms. (1449 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3255]
[2025-05-30 11:09:58] [INFO ] Invariant cache hit.
[2025-05-30 11:09:58] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:09:58] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2025-05-30 11:09:58] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 11:09:58] [INFO ] [Real]Added 58 Read/Feed constraints in 25 ms returned sat
[2025-05-30 11:09:58] [INFO ] Solution in real domain found non-integer solution.
[2025-05-30 11:09:58] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2025-05-30 11:09:58] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2025-05-30 11:09:58] [INFO ] [Nat]Added 58 Read/Feed constraints in 27 ms returned sat
[2025-05-30 11:09:58] [INFO ] Computed and/alt/rep : 49/117/49 causal constraints (skipped 128 transitions) in 22 ms.
[2025-05-30 11:09:58] [INFO ] Deduced a trap composed of 15 places in 118 ms of which 3 ms to minimize.
[2025-05-30 11:09:58] [INFO ] Deduced a trap composed of 15 places in 110 ms of which 2 ms to minimize.
[2025-05-30 11:09:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 277 ms
[2025-05-30 11:09:59] [INFO ] Added : 13 causal constraints over 4 iterations in 414 ms. Result :sat
Minimization took 148 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[3255]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3255]
Support contains 1 out of 125 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 5 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 125/125 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 125/125 places, 178/178 transitions.
Applied a total of 0 rules in 5 ms. Remains 125 /125 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2025-05-30 11:09:59] [INFO ] Invariant cache hit.
[2025-05-30 11:09:59] [INFO ] Implicit Places using invariants in 166 ms returned []
[2025-05-30 11:09:59] [INFO ] Invariant cache hit.
[2025-05-30 11:09:59] [INFO ] State equation strengthened by 58 read => feed constraints.
[2025-05-30 11:09:59] [INFO ] Implicit Places using invariants and state equation in 485 ms returned []
Implicit Place search using SMT with State Equation took 653 ms to find 0 implicit places.
[2025-05-30 11:09:59] [INFO ] Redundant transitions in 1 ms returned []
Running 177 sub problems to find dead transitions.
[2025-05-30 11:09:59] [INFO ] Invariant cache hit.
[2025-05-30 11:09:59] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (OVERLAPS) 0/303 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 185 constraints, problems are : Problem set: 0 solved, 177 unsolved in 9361 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/124 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/124 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/125 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/125 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (OVERLAPS) 178/303 variables, 125/127 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/303 variables, 58/185 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/303 variables, 177/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/303 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/303 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 303/303 variables, and 362 constraints, problems are : Problem set: 0 solved, 177 unsolved in 18464 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints]
After SMT, in 28076ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 28079ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28744 ms. Remains : 125/125 places, 178/178 transitions.
[2025-05-30 11:10:28] [INFO ] Flatten gal took : 25 ms
[2025-05-30 11:10:28] [INFO ] Flatten gal took : 21 ms
[2025-05-30 11:10:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5196741482381322603.gal : 16 ms
[2025-05-30 11:10:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13875547938922720597.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/ReachabilityCardinality5196741482381322603.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13875547938922720597.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/ReachabilityCardinality13875547938922720597.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :30 after 68
RANDOM walk for 40000 steps (9199 resets) in 655 ms. (60 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :68 after 106
BEST_FIRST walk for 40002 steps (3853 resets) in 120 ms. (330 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :182 after 294
BEST_FIRST walk for 40002 steps (3829 resets) in 240 ms. (165 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :294 after 498
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :498 after 898
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :898 after 1648
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :1648 after 10472
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :10472 after 50862
Interrupted probabilistic random walk after 1760711 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :1 out of 2
Probabilistic random walk after 1760711 steps, saw 728118 distinct states, run finished after 3001 ms. (steps per millisecond=586 ) properties seen :1
[2025-05-30 11:10:31] [INFO ] Invariant cache hit.
[2025-05-30 11:10:31] [INFO ] State equation strengthened by 58 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 131/134 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/134 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 72/206 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 53/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/221 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 11/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 303/303 variables, and 136 constraints, problems are : Problem set: 1 solved, 0 unsolved in 130 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 125/125 constraints, ReadFeed: 9/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 138ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[0] Max Struct:[3255]
Ending property specific reduction for DBSingleClientW-PT-d2m10-UpperBounds-11 in 36696 ms.
[2025-05-30 11:10:31] [INFO ] Flatten gal took : 13 ms
[2025-05-30 11:10:31] [INFO ] Applying decomposition
[2025-05-30 11:10:31] [INFO ] Flatten gal took : 21 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/graph18148295263046717730.txt' '-o' '/tmp/graph18148295263046717730.bin' '-w' '/tmp/graph18148295263046717730.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph18148295263046717730.bin' '-l' '-1' '-v' '-w' '/tmp/graph18148295263046717730.weights' '-q' '0' '-e' '0.001'
[2025-05-30 11:10:31] [INFO ] Decomposing Gal with order
[2025-05-30 11:10:31] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 11:10:31] [INFO ] Removed a total of 193 redundant transitions.
[2025-05-30 11:10:31] [INFO ] Flatten gal took : 87 ms
[2025-05-30 11:10:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 154 labels/synchronizations in 20 ms.
[2025-05-30 11:10:32] [INFO ] Time to serialize gal into /tmp/UpperBounds15283600211708068770.gal : 9 ms
[2025-05-30 11:10:32] [INFO ] Time to serialize properties into /tmp/UpperBounds237320861566518478.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/UpperBounds15283600211708068770.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds237320861566518478.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 ...283
Loading property file /tmp/UpperBounds237320861566518478.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,9.86297e+08,712.284,9017252,5904,5232,2.39298e+06,1.89807e+06,517,9.71828e+07,263,1.72924e+07,0
Total reachable state count : 986297191

Verifying 4 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m10-UpperBounds-02 :0 <= i4.u0.l1712 <= 1
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m10-UpperBounds-02,0,713.611,9017252,1,0,2.39298e+06,1.89807e+06,638,9.71828e+07,356,1.72924e+07,2239
Min sum of variable value : 0
Maximum sum along a path : 8
Bounds property DBSingleClientW-PT-d2m10-UpperBounds-03 :0 <= i6.i0.u6.l3696 <= 8
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-03 8 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m10-UpperBounds-03,0,713.984,9017252,1,0,2.39298e+06,1.89807e+06,670,9.71828e+07,363,1.72924e+07,3509
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m10-UpperBounds-06 :0 <= i4.u12.p69 <= 1
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m10-UpperBounds-06,0,713.985,9017252,1,0,2.39298e+06,1.89807e+06,690,9.71828e+07,377,1.72924e+07,3761
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d2m10-UpperBounds-11 :0 <= i4.u12.l1645 <= 1
FORMULA DBSingleClientW-PT-d2m10-UpperBounds-11 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m10-UpperBounds-11,0,713.986,9017252,1,0,2.39298e+06,1.89807e+06,710,9.71828e+07,382,1.72924e+07,4008
Total runtime 1081763 ms.

BK_STOP 1748604147200

--------------------
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="DBSingleClientW-PT-d2m10"
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 DBSingleClientW-PT-d2m10, 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 r069-smll-174854075800021"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m10.tgz
mv DBSingleClientW-PT-d2m10 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 ;