Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r167-tall-174881266100088.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 PolyORBNT-PT-S10J60, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r167-tall-174881266100088
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 25M
-rw-r--r-- 1 mcc users 86K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 384K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 314K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 109K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 354K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 206K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 887K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.8M May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 6.3M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 14M 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 PolyORBNT-PT-S10J60-UpperBounds-00
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-01
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-02
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-03
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-04
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-05
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-06
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-07
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-08
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-09
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-10
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-11
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-12
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-13
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-14
FORMULA_NAME PolyORBNT-PT-S10J60-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748898856305

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBNT-PT-S10J60
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-06-02 21:14:17] [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]
[2025-06-02 21:14:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 21:14:18] [INFO ] Load time of PNML (sax parser for PT used): 675 ms
[2025-06-02 21:14:18] [INFO ] Transformed 1234 places.
[2025-06-02 21:14:18] [INFO ] Transformed 12920 transitions.
[2025-06-02 21:14:18] [INFO ] Parsed PT model containing 1234 places and 12920 transitions and 116879 arcs in 902 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Ensure Unique test removed 10110 transitions
Reduce redundant transitions removed 10110 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 3, 0, 0, 0, 0, 10, 0, 0, 0, 0, 10, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 3, 0, 0, 0, 0, 10, 0, 0, 0, 0, 10, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-02 21:14:18] [INFO ] Flow matrix only has 2801 transitions (discarded 9 similar events)
// Phase 1: matrix 2801 rows 1234 cols
[2025-06-02 21:14:18] [INFO ] Computed 152 invariants in 205 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 3, 0, 0, 0, 0, 10, 0, 0, 0, 0, 10, 0, 0, 0, 0] Max Struct:[4, 3, 523, 298, 2, 114, 523, 114, 1, 2, 1, 10, 1, 64, 114, 1]
FORMULA PolyORBNT-PT-S10J60-UpperBounds-11 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBNT-PT-S10J60-UpperBounds-01 3 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (559 resets) in 332 ms. (30 steps per ms)
FORMULA PolyORBNT-PT-S10J60-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 120012 steps (1176 resets) in 533 ms. (224 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 1, 1, 0, 1, 10, 1, 0, 0, 0, 1, 1] Max Struct:[4, 523, 298, 2, 114, 523, 114, 1, 2, 1, 64, 114]
[2025-06-02 21:14:19] [INFO ] Flow matrix only has 2801 transitions (discarded 9 similar events)
[2025-06-02 21:14:19] [INFO ] Invariant cache hit.
[2025-06-02 21:14:20] [INFO ] [Real]Absence check using 121 positive place invariants in 50 ms returned sat
[2025-06-02 21:14:20] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 53 ms returned sat
[2025-06-02 21:14:21] [INFO ] [Real]Absence check using state equation in 1507 ms returned sat
[2025-06-02 21:14:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:14:22] [INFO ] [Nat]Absence check using 121 positive place invariants in 37 ms returned sat
[2025-06-02 21:14:22] [INFO ] [Nat]Absence check using 121 positive and 31 generalized place invariants in 40 ms returned sat
[2025-06-02 21:14:24] [INFO ] [Nat]Absence check using state equation in 2084 ms returned unknown
[2025-06-02 21:14:24] [INFO ] [Real]Absence check using 121 positive place invariants in 45 ms returned sat
[2025-06-02 21:14:24] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 42 ms returned sat
[2025-06-02 21:14:25] [INFO ] [Real]Absence check using state equation in 1354 ms returned sat
[2025-06-02 21:14:26] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:14:26] [INFO ] [Nat]Absence check using 121 positive place invariants in 32 ms returned sat
[2025-06-02 21:14:26] [INFO ] [Nat]Absence check using 121 positive and 31 generalized place invariants in 39 ms returned sat
[2025-06-02 21:14:28] [INFO ] [Nat]Absence check using state equation in 2037 ms returned sat
[2025-06-02 21:14:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 21:14:28] [INFO ] [Nat]Added 1 Read/Feed constraints in 330 ms returned sat
[2025-06-02 21:14:29] [INFO ] Computed and/alt/rep : 1867/5523/1867 causal constraints (skipped 923 transitions) in 411 ms.
[2025-06-02 21:14:30] [INFO ] Added : 11 causal constraints over 3 iterations in 2040 ms. Result :unknown
[2025-06-02 21:14:30] [INFO ] [Real]Absence check using 121 positive place invariants in 30 ms returned sat
[2025-06-02 21:14:30] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 30 ms returned unsat
[2025-06-02 21:14:31] [INFO ] [Real]Absence check using 121 positive place invariants in 42 ms returned sat
[2025-06-02 21:14:31] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 49 ms returned sat
[2025-06-02 21:14:32] [INFO ] [Real]Absence check using state equation in 1125 ms returned sat
[2025-06-02 21:14:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:14:32] [INFO ] [Nat]Absence check using 121 positive place invariants in 30 ms returned sat
[2025-06-02 21:14:32] [INFO ] [Nat]Absence check using 121 positive and 31 generalized place invariants in 38 ms returned sat
[2025-06-02 21:14:34] [INFO ] [Nat]Absence check using state equation in 1523 ms returned sat
[2025-06-02 21:14:34] [INFO ] [Nat]Added 1 Read/Feed constraints in 33 ms returned sat
[2025-06-02 21:14:34] [INFO ] Computed and/alt/rep : 1867/5523/1867 causal constraints (skipped 923 transitions) in 509 ms.
[2025-06-02 21:14:35] [INFO ] Added : 5 causal constraints over 1 iterations in 1336 ms. Result :sat
Minimization took 650 ms.
[2025-06-02 21:14:36] [INFO ] [Real]Absence check using 121 positive place invariants in 30 ms returned sat
[2025-06-02 21:14:36] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 40 ms returned unsat
[2025-06-02 21:14:36] [INFO ] [Real]Absence check using 121 positive place invariants in 29 ms returned sat
[2025-06-02 21:14:36] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 40 ms returned unsat
[2025-06-02 21:14:36] [INFO ] [Real]Absence check using 121 positive place invariants in 30 ms returned sat
[2025-06-02 21:14:36] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 41 ms returned unsat
[2025-06-02 21:14:36] [INFO ] [Real]Absence check using 121 positive place invariants in 29 ms returned sat
[2025-06-02 21:14:37] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 51 ms returned sat
[2025-06-02 21:14:37] [INFO ] [Real]Absence check using state equation in 880 ms returned sat
[2025-06-02 21:14:38] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:14:38] [INFO ] [Nat]Absence check using 121 positive place invariants in 31 ms returned sat
[2025-06-02 21:14:38] [INFO ] [Nat]Absence check using 121 positive and 31 generalized place invariants in 41 ms returned sat
[2025-06-02 21:14:39] [INFO ] [Nat]Absence check using state equation in 1275 ms returned sat
[2025-06-02 21:14:39] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-02 21:14:40] [INFO ] [Nat]Added 1 Read/Feed constraints in 1006 ms returned unknown
[2025-06-02 21:14:40] [INFO ] [Real]Absence check using 121 positive place invariants in 28 ms returned sat
[2025-06-02 21:14:40] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 40 ms returned sat
[2025-06-02 21:14:41] [INFO ] [Real]Absence check using state equation in 1327 ms returned sat
[2025-06-02 21:14:42] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:14:42] [INFO ] [Nat]Absence check using 121 positive place invariants in 29 ms returned sat
[2025-06-02 21:14:42] [INFO ] [Nat]Absence check using 121 positive and 31 generalized place invariants in 38 ms returned sat
[2025-06-02 21:14:43] [INFO ] [Nat]Absence check using state equation in 1439 ms returned sat
[2025-06-02 21:14:44] [INFO ] [Nat]Added 1 Read/Feed constraints in 378 ms returned sat
[2025-06-02 21:14:44] [INFO ] Computed and/alt/rep : 1867/5523/1867 causal constraints (skipped 923 transitions) in 256 ms.
[2025-06-02 21:14:45] [INFO ] Added : 10 causal constraints over 2 iterations in 949 ms. Result :sat
Minimization took 644 ms.
[2025-06-02 21:14:45] [INFO ] [Real]Absence check using 121 positive place invariants in 29 ms returned sat
[2025-06-02 21:14:45] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 39 ms returned sat
[2025-06-02 21:14:47] [INFO ] [Real]Absence check using state equation in 1122 ms returned sat
[2025-06-02 21:14:47] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:14:47] [INFO ] [Nat]Absence check using 121 positive place invariants in 30 ms returned sat
[2025-06-02 21:14:47] [INFO ] [Nat]Absence check using 121 positive and 31 generalized place invariants in 38 ms returned sat
[2025-06-02 21:14:49] [INFO ] [Nat]Absence check using state equation in 1682 ms returned sat
[2025-06-02 21:14:49] [INFO ] [Nat]Added 1 Read/Feed constraints in 142 ms returned sat
[2025-06-02 21:14:49] [INFO ] Computed and/alt/rep : 1867/5523/1867 causal constraints (skipped 923 transitions) in 211 ms.
[2025-06-02 21:14:50] [INFO ] Added : 15 causal constraints over 3 iterations in 1164 ms. Result :sat
Minimization took 662 ms.
[2025-06-02 21:14:51] [INFO ] [Real]Absence check using 121 positive place invariants in 30 ms returned sat
[2025-06-02 21:14:51] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 35 ms returned unsat
[2025-06-02 21:14:51] [INFO ] [Real]Absence check using 121 positive place invariants in 32 ms returned sat
[2025-06-02 21:14:51] [INFO ] [Real]Absence check using 121 positive and 31 generalized place invariants in 30 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[0, 1, 1, 0, 1, 10, 1, 0, 0, 0, 1, 1] Max Struct:[4, 523, 1, 2, 1, 10, 1, 1, 2, 1, 1, 1]
FORMULA PolyORBNT-PT-S10J60-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-06 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 1, 0, 0, 0, 0] Max Struct:[4, 523, 2, 1, 2, 1]
Support contains 6 out of 1234 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1234/1234 places, 2810/2810 transitions.
Ensure Unique test removed 10 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 74 rules applied. Total rules applied 74 place count 1224 transition count 2746
Reduce places removed 64 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 66 rules applied. Total rules applied 140 place count 1160 transition count 2744
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 142 place count 1158 transition count 2744
Performed 63 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 63 Pre rules applied. Total rules applied 142 place count 1158 transition count 2681
Deduced a syphon composed of 63 places in 1 ms
Reduce places removed 63 places and 0 transitions.
Iterating global reduction 3 with 126 rules applied. Total rules applied 268 place count 1095 transition count 2681
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 269 place count 1094 transition count 2680
Iterating global reduction 3 with 1 rules applied. Total rules applied 270 place count 1094 transition count 2680
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 274 place count 1092 transition count 2678
Applied a total of 274 rules in 631 ms. Remains 1092 /1234 variables (removed 142) and now considering 2678/2810 (removed 132) transitions.
Running 2667 sub problems to find dead transitions.
[2025-06-02 21:14:52] [INFO ] Flow matrix only has 2669 transitions (discarded 9 similar events)
// Phase 1: matrix 2669 rows 1092 cols
[2025-06-02 21:14:52] [INFO ] Computed 142 invariants in 114 ms
[2025-06-02 21:14:52] [INFO ] State equation strengthened by 1 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1082 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 2667 unsolved
SMT process timed out in 39825ms, After SMT, problems are : Problem set: 0 solved, 2667 unsolved
Search for dead transitions found 0 dead transitions in 39882ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40559 ms. Remains : 1092/1234 places, 2678/2810 transitions.
[2025-06-02 21:15:32] [INFO ] Flow matrix only has 2669 transitions (discarded 9 similar events)
[2025-06-02 21:15:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1, 0, 0, 0, 0] Max Struct:[4, 136, 2, 1, 2, 1]
RANDOM walk for 1000000 steps (70194 resets) in 18279 ms. (54 steps per ms)
FORMULA PolyORBNT-PT-S10J60-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-09 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-04 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA PolyORBNT-PT-S10J60-UpperBounds-00 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (7073 resets) in 2790 ms. (358 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[136]
[2025-06-02 21:15:53] [INFO ] Flow matrix only has 2669 transitions (discarded 9 similar events)
[2025-06-02 21:15:53] [INFO ] Invariant cache hit.
[2025-06-02 21:15:53] [INFO ] [Real]Absence check using 122 positive place invariants in 30 ms returned sat
[2025-06-02 21:15:53] [INFO ] [Real]Absence check using 122 positive and 20 generalized place invariants in 30 ms returned sat
[2025-06-02 21:15:54] [INFO ] [Real]Absence check using state equation in 722 ms returned sat
[2025-06-02 21:15:54] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:15:54] [INFO ] [Nat]Absence check using 122 positive place invariants in 29 ms returned sat
[2025-06-02 21:15:54] [INFO ] [Nat]Absence check using 122 positive and 20 generalized place invariants in 28 ms returned sat
[2025-06-02 21:15:55] [INFO ] [Nat]Absence check using state equation in 686 ms returned sat
[2025-06-02 21:15:55] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 21:15:55] [INFO ] [Nat]Added 1 Read/Feed constraints in 679 ms returned sat
[2025-06-02 21:15:55] [INFO ] Computed and/alt/rep : 1736/6469/1736 causal constraints (skipped 922 transitions) in 185 ms.
[2025-06-02 21:15:56] [INFO ] Added : 10 causal constraints over 2 iterations in 942 ms. Result :sat
Minimization took 6626 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[136]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[136]
Support contains 1 out of 1092 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1092/1092 places, 2678/2678 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 1092 transition count 2677
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1091 transition count 2677
Applied a total of 2 rules in 177 ms. Remains 1091 /1092 variables (removed 1) and now considering 2677/2678 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 1091/1092 places, 2677/2678 transitions.
[2025-06-02 21:16:03] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
// Phase 1: matrix 2668 rows 1091 cols
[2025-06-02 21:16:03] [INFO ] Computed 142 invariants in 64 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[136]
RANDOM walk for 1000000 steps (70505 resets) in 18023 ms. (55 steps per ms)
BEST_FIRST walk for 1000001 steps (7308 resets) in 2805 ms. (356 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[136]
[2025-06-02 21:16:24] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:16:24] [INFO ] Invariant cache hit.
[2025-06-02 21:16:24] [INFO ] [Real]Absence check using 122 positive place invariants in 31 ms returned sat
[2025-06-02 21:16:24] [INFO ] [Real]Absence check using 122 positive and 20 generalized place invariants in 28 ms returned sat
[2025-06-02 21:16:25] [INFO ] [Real]Absence check using state equation in 773 ms returned sat
[2025-06-02 21:16:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:16:25] [INFO ] [Nat]Absence check using 122 positive place invariants in 29 ms returned sat
[2025-06-02 21:16:25] [INFO ] [Nat]Absence check using 122 positive and 20 generalized place invariants in 33 ms returned sat
[2025-06-02 21:16:27] [INFO ] [Nat]Absence check using state equation in 1604 ms returned sat
[2025-06-02 21:16:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 21:16:27] [INFO ] [Nat]Added 1 Read/Feed constraints in 304 ms returned sat
[2025-06-02 21:16:27] [INFO ] Computed and/alt/rep : 1735/6486/1735 causal constraints (skipped 922 transitions) in 172 ms.
[2025-06-02 21:16:28] [INFO ] Added : 10 causal constraints over 3 iterations in 832 ms. Result :sat
Minimization took 6455 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[136]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[136]
Support contains 1 out of 1091 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 93 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 1091/1091 places, 2677/2677 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 84 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
[2025-06-02 21:16:35] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:16:35] [INFO ] Invariant cache hit.
[2025-06-02 21:16:37] [INFO ] Implicit Places using invariants in 2318 ms returned []
[2025-06-02 21:16:37] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:16:37] [INFO ] Invariant cache hit.
[2025-06-02 21:16:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 21:17:08] [INFO ] Performed 1084/1091 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-02 21:17:08] [INFO ] Implicit Places using invariants and state equation in 31248 ms returned []
Implicit Place search using SMT with State Equation took 33572 ms to find 0 implicit places.
[2025-06-02 21:17:08] [INFO ] Redundant transitions in 168 ms returned []
Running 2666 sub problems to find dead transitions.
[2025-06-02 21:17:08] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:17:08] [INFO ] Invariant cache hit.
[2025-06-02 21:17:08] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1081 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 2666 unsolved
SMT process timed out in 48077ms, After SMT, problems are : Problem set: 0 solved, 2666 unsolved
Search for dead transitions found 0 dead transitions in 48102ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81948 ms. Remains : 1091/1091 places, 2677/2677 transitions.
RANDOM walk for 40000 steps (2801 resets) in 1846 ms. (21 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (354 resets) in 294 ms. (135 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (280 resets) in 319 ms. (125 steps per ms) remains 2/2 properties
[2025-06-02 21:17:57] [INFO ] Flatten gal took : 452 ms
[2025-06-02 21:17:58] [INFO ] Flatten gal took : 191 ms
[2025-06-02 21:17:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality508827990213637184.gal : 69 ms
[2025-06-02 21:17:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15031455113967846094.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/ReachabilityCardinality508827990213637184.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15031455113967846094.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality15031455113967846094.prop.
Interrupted probabilistic random walk after 101501 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :0 out of 2
Probabilistic random walk after 101501 steps, saw 18383 distinct states, run finished after 3004 ms. (steps per millisecond=33 ) properties seen :0
[2025-06-02 21:18:00] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:18:00] [INFO ] Invariant cache hit.
[2025-06-02 21:18:00] [INFO ] State equation strengthened by 1 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) 230/231 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/231 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 490/721 variables, 87/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/721 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 300/1021 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
At refinement iteration 6 (INCLUDED_ONLY) 0/1021 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 7 (OVERLAPS) 64/1085 variables, 19/137 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1085 variables, 0/137 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 5/1090 variables, 5/142 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1090 variables, 0/142 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2668/3758 variables, 1090/1232 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3758 variables, 1/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3758 variables, 0/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/3759 variables, 1/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3759 variables, 0/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/3759 variables, 0/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3759/3759 variables, and 1234 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1489 ms.
Refiners :[Positive P Invariants (semi-flows): 122/122 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 1091/1091 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 230/231 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/231 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 32
At refinement iteration 3 (OVERLAPS) 490/721 variables, 87/88 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/721 variables, 0/88 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 300/1021 variables, 30/118 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1021 variables, 0/118 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 64/1085 variables, 19/137 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1085 variables, 0/137 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/1090 variables, 5/142 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1090 variables, 0/142 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3758/3759 variables, and 1232 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1314 ms.
Refiners :[Positive P Invariants (semi-flows): 122/122 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 1090/1091 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 2825ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 67 ms.
Support contains 1 out of 1091 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 81 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
Running 2666 sub problems to find dead transitions.
[2025-06-02 21:18:03] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:18:03] [INFO ] Invariant cache hit.
[2025-06-02 21:18:03] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1081 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 2666 unsolved
SMT process timed out in 39324ms, After SMT, problems are : Problem set: 0 solved, 2666 unsolved
Search for dead transitions found 0 dead transitions in 39356ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39451 ms. Remains : 1091/1091 places, 2677/2677 transitions.
RANDOM walk for 40000 steps (2850 resets) in 1033 ms. (38 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (285 resets) in 207 ms. (192 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 110427 steps, run timeout after 3001 ms. (steps per millisecond=36 ) properties seen :0 out of 1
Probabilistic random walk after 110427 steps, saw 19840 distinct states, run finished after 3001 ms. (steps per millisecond=36 ) properties seen :0
[2025-06-02 21:18:46] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:18:46] [INFO ] Invariant cache hit.
[2025-06-02 21:18:46] [INFO ] State equation strengthened by 1 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) 230/231 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/231 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 490/721 variables, 87/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/721 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 300/1021 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1021 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 64/1085 variables, 19/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1085 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 5/1090 variables, 5/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1090 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2668/3758 variables, 1090/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3758 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3758 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/3759 variables, 1/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3759 variables, 0/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/3759 variables, 0/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3759/3759 variables, and 1234 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1587 ms.
Refiners :[Positive P Invariants (semi-flows): 122/122 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 1091/1091 constraints, ReadFeed: 1/1 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) 230/231 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/231 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 490/721 variables, 87/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/721 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 300/1021 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1021 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 64/1085 variables, 19/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1085 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/1090 variables, 5/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
At refinement iteration 10 (INCLUDED_ONLY) 0/1090 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 21:18:48] [INFO ] Flatten gal took : 146 ms
[2025-06-02 21:18:48] [INFO ] Applying decomposition
[2025-06-02 21:18:48] [INFO ] Flatten gal took : 138 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/graph16967356045265899234.txt' '-o' '/tmp/graph16967356045265899234.bin' '-w' '/tmp/graph16967356045265899234.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph16967356045265899234.bin' '-l' '-1' '-v' '-w' '/tmp/graph16967356045265899234.weights' '-q' '0' '-e' '0.001'
[2025-06-02 21:18:49] [INFO ] Decomposing Gal with order
[2025-06-02 21:18:49] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 11 (OVERLAPS) 2668/3758 variables, 1090/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 21:18:49] [INFO ] Removed a total of 1976 redundant transitions.
[2025-06-02 21:18:49] [INFO ] Flatten gal took : 608 ms
At refinement iteration 12 (INCLUDED_ONLY) 0/3758 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3758 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/3759 variables, 1/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3759 variables, 1/1235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3759 variables, 0/1235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 21:18:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 636 labels/synchronizations in 113 ms.
At refinement iteration 17 (OVERLAPS) 0/3759 variables, 0/1235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
[2025-06-02 21:18:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality715804818155626999.gal : 54 ms
[2025-06-02 21:18:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17821568633760541309.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/ReachabilityCardinality715804818155626999.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17821568633760541309.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
After SMT solving in domain Int declared 3759/3759 variables, and 1235 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2109 ms.
Refiners :[Positive P Invariants (semi-flows): 122/122 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 1091/1091 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 3719ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 59 ms.
Support contains 1 out of 1091 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 76 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 1091/1091 places, 2677/2677 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 74 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
[2025-06-02 21:18:50] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:18:50] [INFO ] Invariant cache hit.
Loading property file /tmp/ReachabilityCardinality17821568633760541309.prop.
[2025-06-02 21:18:52] [INFO ] Implicit Places using invariants in 2224 ms returned []
[2025-06-02 21:18:52] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:18:52] [INFO ] Invariant cache hit.
[2025-06-02 21:18:53] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2050
[2025-06-02 21:19:23] [INFO ] Performed 1046/1091 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-02 21:19:24] [INFO ] Implicit Places using invariants and state equation in 31637 ms returned []
Implicit Place search using SMT with State Equation took 33873 ms to find 0 implicit places.
[2025-06-02 21:19:24] [INFO ] Redundant transitions in 175 ms returned []
Running 2666 sub problems to find dead transitions.
[2025-06-02 21:19:24] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:19:24] [INFO ] Invariant cache hit.
[2025-06-02 21:19:24] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2050 after 2053
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :2053 after 2057
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :2057 after 2068
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2068 after 2083
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2083 after 2114
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2114 after 2164
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2164 after 2278
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2278 after 2528
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/1081 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 2666 unsolved
SMT process timed out in 50201ms, After SMT, problems are : Problem set: 0 solved, 2666 unsolved
Search for dead transitions found 0 dead transitions in 50227ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84366 ms. Remains : 1091/1091 places, 2677/2677 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3] Max Struct:[136]
Starting property specific reduction for PolyORBNT-PT-S10J60-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:[136]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[136]
[2025-06-02 21:20:14] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:20:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[136]
RANDOM walk for 10000 steps (676 resets) in 198 ms. (50 steps per ms)
BEST_FIRST walk for 10001 steps (88 resets) in 34 ms. (285 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[136]
[2025-06-02 21:20:14] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:20:14] [INFO ] Invariant cache hit.
[2025-06-02 21:20:15] [INFO ] [Real]Absence check using 122 positive place invariants in 29 ms returned sat
[2025-06-02 21:20:15] [INFO ] [Real]Absence check using 122 positive and 20 generalized place invariants in 28 ms returned sat
[2025-06-02 21:20:15] [INFO ] [Real]Absence check using state equation in 768 ms returned sat
[2025-06-02 21:20:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:20:16] [INFO ] [Nat]Absence check using 122 positive place invariants in 30 ms returned sat
[2025-06-02 21:20:16] [INFO ] [Nat]Absence check using 122 positive and 20 generalized place invariants in 27 ms returned sat
[2025-06-02 21:20:17] [INFO ] [Nat]Absence check using state equation in 1302 ms returned sat
[2025-06-02 21:20:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 21:20:17] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-02 21:20:18] [INFO ] [Nat]Added 1 Read/Feed constraints in 826 ms returned sat
[2025-06-02 21:20:18] [INFO ] Computed and/alt/rep : 1735/6486/1735 causal constraints (skipped 922 transitions) in 177 ms.
[2025-06-02 21:20:19] [INFO ] Added : 16 causal constraints over 6 iterations in 1348 ms. Result :sat
Minimization took 637 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[136]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[136]
Support contains 1 out of 1091 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 82 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
Running 2666 sub problems to find dead transitions.
[2025-06-02 21:20:20] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:20:20] [INFO ] Invariant cache hit.
[2025-06-02 21:20:20] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1081 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 2666 unsolved
SMT process timed out in 40198ms, After SMT, problems are : Problem set: 0 solved, 2666 unsolved
Search for dead transitions found 0 dead transitions in 40221ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40309 ms. Remains : 1091/1091 places, 2677/2677 transitions.
[2025-06-02 21:21:00] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:21:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[136]
RANDOM walk for 1000000 steps (70610 resets) in 18196 ms. (54 steps per ms)
BEST_FIRST walk for 1000001 steps (6989 resets) in 2822 ms. (354 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[136]
[2025-06-02 21:21:21] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:21:21] [INFO ] Invariant cache hit.
[2025-06-02 21:21:21] [INFO ] [Real]Absence check using 122 positive place invariants in 29 ms returned sat
[2025-06-02 21:21:21] [INFO ] [Real]Absence check using 122 positive and 20 generalized place invariants in 28 ms returned sat
[2025-06-02 21:21:22] [INFO ] [Real]Absence check using state equation in 756 ms returned sat
[2025-06-02 21:21:22] [INFO ] Solution in real domain found non-integer solution.
[2025-06-02 21:21:22] [INFO ] [Nat]Absence check using 122 positive place invariants in 29 ms returned sat
[2025-06-02 21:21:22] [INFO ] [Nat]Absence check using 122 positive and 20 generalized place invariants in 25 ms returned sat
[2025-06-02 21:21:24] [INFO ] [Nat]Absence check using state equation in 1624 ms returned sat
[2025-06-02 21:21:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 21:21:24] [INFO ] [Nat]Added 1 Read/Feed constraints in 306 ms returned sat
[2025-06-02 21:21:25] [INFO ] Computed and/alt/rep : 1735/6486/1735 causal constraints (skipped 922 transitions) in 189 ms.
[2025-06-02 21:21:25] [INFO ] Added : 10 causal constraints over 3 iterations in 881 ms. Result :sat
Minimization took 6584 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[136]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[136]
Support contains 1 out of 1091 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 86 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86 ms. Remains : 1091/1091 places, 2677/2677 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 78 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
[2025-06-02 21:21:32] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:21:32] [INFO ] Invariant cache hit.
[2025-06-02 21:21:34] [INFO ] Implicit Places using invariants in 2260 ms returned []
[2025-06-02 21:21:34] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:21:34] [INFO ] Invariant cache hit.
[2025-06-02 21:21:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 21:22:05] [INFO ] Implicit Places using invariants and state equation in 31121 ms returned []
Implicit Place search using SMT with State Equation took 33388 ms to find 0 implicit places.
[2025-06-02 21:22:05] [INFO ] Redundant transitions in 102 ms returned []
Running 2666 sub problems to find dead transitions.
[2025-06-02 21:22:05] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:22:05] [INFO ] Invariant cache hit.
[2025-06-02 21:22:06] [INFO ] State equation strengthened by 1 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1081 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 2666 unsolved
SMT process timed out in 50113ms, After SMT, problems are : Problem set: 0 solved, 2666 unsolved
Search for dead transitions found 0 dead transitions in 50141ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83725 ms. Remains : 1091/1091 places, 2677/2677 transitions.
[2025-06-02 21:22:56] [INFO ] Flatten gal took : 174 ms
[2025-06-02 21:22:56] [INFO ] Flatten gal took : 209 ms
[2025-06-02 21:22:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9867233413425000650.gal : 36 ms
[2025-06-02 21:22:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10938794640050184550.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/ReachabilityCardinality9867233413425000650.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10938794640050184550.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (2757 resets) in 1350 ms. (29 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 ...329
BEST_FIRST walk for 40004 steps (278 resets) in 146 ms. (272 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (311 resets) in 172 ms. (231 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality10938794640050184550.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
Interrupted probabilistic random walk after 104429 steps, run timeout after 3001 ms. (steps per millisecond=34 ) properties seen :0 out of 2
Probabilistic random walk after 104429 steps, saw 18913 distinct states, run finished after 3001 ms. (steps per millisecond=34 ) properties seen :0
[2025-06-02 21:22:59] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:22:59] [INFO ] Invariant cache hit.
[2025-06-02 21:22:59] [INFO ] State equation strengthened by 1 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) 230/231 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/231 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 490/721 variables, 87/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/721 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 300/1021 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1021 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 7 (OVERLAPS) 64/1085 variables, 19/137 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1085 variables, 0/137 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 5/1090 variables, 5/142 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1090 variables, 0/142 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 32
At refinement iteration 11 (OVERLAPS) 2668/3758 variables, 1090/1232 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3758 variables, 1/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3758 variables, 0/1233 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/3759 variables, 1/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3759 variables, 0/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/3759 variables, 0/1234 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3759/3759 variables, and 1234 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1293 ms.
Refiners :[Positive P Invariants (semi-flows): 122/122 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 1091/1091 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 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) 230/231 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/231 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 490/721 variables, 87/88 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/721 variables, 0/88 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 300/1021 variables, 30/118 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1021 variables, 0/118 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 64/1085 variables, 19/137 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1085 variables, 0/137 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/1090 variables, 5/142 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1090 variables, 0/142 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3758/3759 variables, and 1232 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1248 ms.
Refiners :[Positive P Invariants (semi-flows): 122/122 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 1090/1091 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 2552ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 62 ms.
Support contains 1 out of 1091 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 80 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
Running 2666 sub problems to find dead transitions.
[2025-06-02 21:23:02] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:23:02] [INFO ] Invariant cache hit.
[2025-06-02 21:23:02] [INFO ] State equation strengthened by 1 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1081 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 2666 unsolved
SMT process timed out in 38636ms, After SMT, problems are : Problem set: 0 solved, 2666 unsolved
Search for dead transitions found 0 dead transitions in 38660ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38752 ms. Remains : 1091/1091 places, 2677/2677 transitions.
RANDOM walk for 40000 steps (2810 resets) in 974 ms. (41 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (310 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 111585 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :0 out of 1
Probabilistic random walk after 111585 steps, saw 20077 distinct states, run finished after 3001 ms. (steps per millisecond=37 ) properties seen :0
[2025-06-02 21:23:44] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:23:44] [INFO ] Invariant cache hit.
[2025-06-02 21:23:44] [INFO ] State equation strengthened by 1 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) 230/231 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/231 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 490/721 variables, 87/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/721 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 300/1021 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1021 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 64/1085 variables, 19/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1085 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 5/1090 variables, 5/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1090 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2668/3758 variables, 1090/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3758 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3758 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/3759 variables, 1/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3759 variables, 0/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/3759 variables, 0/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3759/3759 variables, and 1234 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1494 ms.
Refiners :[Positive P Invariants (semi-flows): 122/122 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 1091/1091 constraints, ReadFeed: 1/1 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) 230/231 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/231 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 490/721 variables, 87/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/721 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 300/1021 variables, 30/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1021 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 64/1085 variables, 19/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1085 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/1090 variables, 5/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1090 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2025-06-02 21:23:46] [INFO ] Flatten gal took : 112 ms
[2025-06-02 21:23:46] [INFO ] Applying decomposition
[2025-06-02 21:23:46] [INFO ] Flatten gal took : 114 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/graph1468016780309580043.txt' '-o' '/tmp/graph1468016780309580043.bin' '-w' '/tmp/graph1468016780309580043.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph1468016780309580043.bin' '-l' '-1' '-v' '-w' '/tmp/graph1468016780309580043.weights' '-q' '0' '-e' '0.001'
[2025-06-02 21:23:47] [INFO ] Decomposing Gal with order
At refinement iteration 11 (OVERLAPS) 2668/3758 variables, 1090/1232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 21:23:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 21:23:47] [INFO ] Removed a total of 1979 redundant transitions.
[2025-06-02 21:23:47] [INFO ] Flatten gal took : 237 ms
[2025-06-02 21:23:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 642 labels/synchronizations in 56 ms.
[2025-06-02 21:23:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8997865465620509540.gal : 26 ms
[2025-06-02 21:23:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18232644266987360416.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/ReachabilityCardinality8997865465620509540.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18232644266987360416.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
At refinement iteration 12 (INCLUDED_ONLY) 0/3758 variables, 1/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3758 variables, 0/1233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/3759 variables, 1/1234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3759 variables, 1/1235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality18232644266987360416.prop.
At refinement iteration 16 (INCLUDED_ONLY) 0/3759 variables, 0/1235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/3759 variables, 0/1235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3759/3759 variables, and 1235 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2342 ms.
Refiners :[Positive P Invariants (semi-flows): 122/122 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 1091/1091 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 3848ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 56 ms.
Support contains 1 out of 1091 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 75 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 1091/1091 places, 2677/2677 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1091/1091 places, 2677/2677 transitions.
Applied a total of 0 rules in 73 ms. Remains 1091 /1091 variables (removed 0) and now considering 2677/2677 (removed 0) transitions.
[2025-06-02 21:23:48] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:23:48] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1 after 1
[2025-06-02 21:23:50] [INFO ] Implicit Places using invariants in 2272 ms returned []
[2025-06-02 21:23:50] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:23:50] [INFO ] Invariant cache hit.
[2025-06-02 21:23:51] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1 after 3797
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3797 after 3902
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :3902 after 3902
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :3902 after 3902
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :3902 after 3902
[2025-06-02 21:24:22] [INFO ] Performed 1039/1091 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-02 21:24:22] [INFO ] Implicit Places using invariants and state equation in 32115 ms returned []
Implicit Place search using SMT with State Equation took 34389 ms to find 0 implicit places.
[2025-06-02 21:24:22] [INFO ] Redundant transitions in 96 ms returned []
Running 2666 sub problems to find dead transitions.
[2025-06-02 21:24:23] [INFO ] Flow matrix only has 2668 transitions (discarded 9 similar events)
[2025-06-02 21:24:23] [INFO ] Invariant cache hit.
[2025-06-02 21:24:23] [INFO ] State equation strengthened by 1 read => feed constraints.
Detected timeout of ITS tools.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1081 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 2666 unsolved
SMT process timed out in 49335ms, After SMT, problems are : Problem set: 0 solved, 2666 unsolved
Search for dead transitions found 0 dead transitions in 49358ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83935 ms. Remains : 1091/1091 places, 2677/2677 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3] Max Struct:[136]
Ending property specific reduction for PolyORBNT-PT-S10J60-UpperBounds-02 in 297652 ms.
[2025-06-02 21:25:12] [INFO ] Flatten gal took : 108 ms
[2025-06-02 21:25:12] [INFO ] Applying decomposition
[2025-06-02 21:25:12] [INFO ] Flatten gal took : 111 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/graph15754543328014229257.txt' '-o' '/tmp/graph15754543328014229257.bin' '-w' '/tmp/graph15754543328014229257.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph15754543328014229257.bin' '-l' '-1' '-v' '-w' '/tmp/graph15754543328014229257.weights' '-q' '0' '-e' '0.001'
[2025-06-02 21:25:12] [INFO ] Decomposing Gal with order
[2025-06-02 21:25:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 21:25:13] [INFO ] Removed a total of 6815 redundant transitions.
[2025-06-02 21:25:13] [INFO ] Flatten gal took : 254 ms
[2025-06-02 21:25:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 636 labels/synchronizations in 57 ms.
[2025-06-02 21:25:13] [INFO ] Time to serialize gal into /tmp/UpperBounds4638672462456110047.gal : 23 ms
[2025-06-02 21:25:13] [INFO ] Time to serialize properties into /tmp/UpperBounds13219358980679522491.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/UpperBounds4638672462456110047.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13219358980679522491.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds13219358980679522491.prop.

BK_STOP 1748899689587

--------------------
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="PolyORBNT-PT-S10J60"
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 PolyORBNT-PT-S10J60, 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 r167-tall-174881266100088"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBNT-PT-S10J60.tgz
mv PolyORBNT-PT-S10J60 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 ;