About the Execution of ITS-Tools for CopsAndRobbers-PT-CRL025X003
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 167911.00 | 0.00 | 0.00 | 3 3 3 3 1 1 3 3 3 1 3 1 1 3 1 3 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339400197.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 itstools
Input is CopsAndRobbers-PT-CRL025X003, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339400197
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 9.0K Jun 6 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Jun 6 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Jun 6 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Jun 6 08:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Jun 6 13:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 13:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Jun 6 13:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 13:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 16K Jun 6 08:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Jun 6 08:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Jun 6 08:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Jun 6 08:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Jun 6 13:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Jun 6 13:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 11 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 137K Jun 5 20:08 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 CopsAndRobbers-PT-CRL025X003-UpperBounds-00
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-01
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-02
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-03
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-04
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-05
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-06
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-07
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-08
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-09
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-10
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-11
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-12
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-13
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-14
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1749341136996
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-CRL025X003
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-08 00:05:38] [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]
[2025-06-08 00:05:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 00:05:38] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2025-06-08 00:05:38] [INFO ] Transformed 135 places.
[2025-06-08 00:05:38] [INFO ] Transformed 179 transitions.
[2025-06-08 00:05:38] [INFO ] Parsed PT model containing 135 places and 179 transitions and 834 arcs in 146 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 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, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 179 rows 135 cols
[2025-06-08 00:05:38] [INFO ] Computed 29 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0] Max Struct:[3, 3, 3, 3, 1, 1, 3, 3, 3, 1, 3, 1, 1, 3, 1, 3]
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10001 steps (2 resets) in 38 ms. (256 steps per ms)
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-15 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-13 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-10 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-08 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-06 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-02 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-01 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-00 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 20000 steps (4 resets) in 45 ms. (434 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0] Max Struct:[3, 3]
[2025-06-08 00:05:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 00:05:38] [INFO ] [Real]Absence check using 28 positive place invariants in 17 ms returned sat
[2025-06-08 00:05:38] [INFO ] [Real]Absence check using 28 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:05:38] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2025-06-08 00:05:38] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:05:38] [INFO ] [Real]Added 50 Read/Feed constraints in 8 ms returned sat
[2025-06-08 00:05:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 00:05:38] [INFO ] [Nat]Absence check using 28 positive place invariants in 6 ms returned sat
[2025-06-08 00:05:38] [INFO ] [Nat]Absence check using 28 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:05:38] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2025-06-08 00:05:38] [INFO ] [Nat]Added 50 Read/Feed constraints in 7 ms returned sat
[2025-06-08 00:05:38] [INFO ] Computed and/alt/rep : 125/400/125 causal constraints (skipped 4 transitions) in 14 ms.
[2025-06-08 00:05:38] [INFO ] Added : 5 causal constraints over 1 iterations in 57 ms. Result :sat
Minimization took 88 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 00:05:39] [INFO ] [Real]Absence check using 28 positive place invariants in 5 ms returned sat
[2025-06-08 00:05:39] [INFO ] [Real]Absence check using 28 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-08 00:05:39] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-08 00:05:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 00:05:39] [INFO ] [Nat]Absence check using 28 positive place invariants in 5 ms returned sat
[2025-06-08 00:05:39] [INFO ] [Nat]Absence check using 28 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:05:39] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-08 00:05:39] [INFO ] [Nat]Added 50 Read/Feed constraints in 7 ms returned sat
[2025-06-08 00:05:39] [INFO ] Computed and/alt/rep : 125/400/125 causal constraints (skipped 4 transitions) in 12 ms.
[2025-06-08 00:05:39] [INFO ] Added : 12 causal constraints over 3 iterations in 119 ms. Result :sat
Minimization took 169 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0] Max Struct:[3, 3]
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-07 3 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[3]
Support contains 1 out of 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 179/179 transitions.
Graph (complete) has 610 edges and 135 vertex of which 111 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.2 ms
Discarding 24 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 111 transition count 178
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 110 transition count 178
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 109 transition count 177
Applied a total of 5 rules in 34 ms. Remains 109 /135 variables (removed 26) and now considering 177/179 (removed 2) transitions.
Running 127 sub problems to find dead transitions.
// Phase 1: matrix 177 rows 109 cols
[2025-06-08 00:05:39] [INFO ] Computed 28 invariants in 5 ms
[2025-06-08 00:05:39] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 1/286 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 2.0)
(s3 (/ 2.0 3.0))
(s4 0.0)
(s5 0.0)
(s6 1.0)
(s7 0.0)
(s8 0.0)
(s9 1.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 1.0)
(s14 0.0)
(s15 0.0)
(s16 1.0)
(s17 1.0)
(s18 0.0)
(s19 0.0)
(s20 1.0)
(s21 1.0)
(s22 0.0)
(s23 1.0)
(s24 0.0)
(s25 1.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 1.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 1.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 1.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 1.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 1.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 1.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 1.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 1.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 (/ 3.0 4.0))
(s62 (/ 1.0 4.0))
(s63 0.0)
(s64 0.0)
(s65 1.0)
(s66 0.0)
(s67 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 9 (INCLUDED_ONLY) 0/286 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 286/286 variables, and 187 constraints, problems are : Problem set: 0 solved, 127 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 123/309 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 309 constraints, problems are : Problem set: 0 solved, 127 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 123/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40142ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 40150ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40196 ms. Remains : 109/135 places, 177/179 transitions.
[2025-06-08 00:06:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[3]
RANDOM walk for 1000000 steps (2 resets) in 1105 ms. (904 steps per ms)
BEST_FIRST walk for 1000001 steps (3 resets) in 912 ms. (1095 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[3]
[2025-06-08 00:06:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 00:06:21] [INFO ] [Real]Absence check using 27 positive place invariants in 4 ms returned sat
[2025-06-08 00:06:21] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:06:21] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-08 00:06:21] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:06:21] [INFO ] [Real]Added 50 Read/Feed constraints in 7 ms returned sat
[2025-06-08 00:06:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 00:06:21] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2025-06-08 00:06:21] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:06:22] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2025-06-08 00:06:22] [INFO ] [Nat]Added 50 Read/Feed constraints in 9 ms returned sat
[2025-06-08 00:06:22] [INFO ] Computed and/alt/rep : 75/225/75 causal constraints (skipped 52 transitions) in 11 ms.
[2025-06-08 00:06:22] [INFO ] Added : 2 causal constraints over 2 iterations in 43 ms. Result :sat
Minimization took 66 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[3]
Support contains 1 out of 109 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 177/177 transitions.
Applied a total of 0 rules in 7 ms. Remains 109 /109 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 109/109 places, 177/177 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 177/177 transitions.
Applied a total of 0 rules in 6 ms. Remains 109 /109 variables (removed 0) and now considering 177/177 (removed 0) transitions.
[2025-06-08 00:06:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:06:22] [INFO ] Implicit Places using invariants in 173 ms returned []
[2025-06-08 00:06:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:06:22] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:06:23] [INFO ] Implicit Places using invariants and state equation in 1360 ms returned []
Implicit Place search using SMT with State Equation took 1536 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:06:23] [INFO ] Redundant transitions in 10 ms returned []
Running 127 sub problems to find dead transitions.
[2025-06-08 00:06:23] [INFO ] Invariant cache hit.
[2025-06-08 00:06:23] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 1/286 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/286 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 10 (OVERLAPS) 0/286 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 286/286 variables, and 187 constraints, problems are : Problem set: 0 solved, 127 unsolved in 28210 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 123/309 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 309 constraints, problems are : Problem set: 0 solved, 127 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 123/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58296ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 58298ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59856 ms. Remains : 109/109 places, 177/177 transitions.
[2025-06-08 00:07:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[3]
RANDOM walk for 1000000 steps (2 resets) in 907 ms. (1101 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 890 ms. (1122 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[3]
[2025-06-08 00:07:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 00:07:23] [INFO ] [Real]Absence check using 27 positive place invariants in 5 ms returned sat
[2025-06-08 00:07:23] [INFO ] [Real]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:07:23] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-08 00:07:23] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:07:23] [INFO ] [Real]Added 50 Read/Feed constraints in 6 ms returned sat
[2025-06-08 00:07:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 00:07:23] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2025-06-08 00:07:23] [INFO ] [Nat]Absence check using 27 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:07:23] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-08 00:07:23] [INFO ] [Nat]Added 50 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:07:24] [INFO ] Deduced a trap composed of 53 places in 62 ms of which 6 ms to minimize.
[2025-06-08 00:07:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2025-06-08 00:07:24] [INFO ] Computed and/alt/rep : 75/225/75 causal constraints (skipped 52 transitions) in 11 ms.
[2025-06-08 00:07:24] [INFO ] Added : 2 causal constraints over 2 iterations in 62 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[3]
Support contains 1 out of 109 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 177/177 transitions.
Applied a total of 0 rules in 6 ms. Remains 109 /109 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 109/109 places, 177/177 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 177/177 transitions.
Applied a total of 0 rules in 6 ms. Remains 109 /109 variables (removed 0) and now considering 177/177 (removed 0) transitions.
[2025-06-08 00:07:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:07:24] [INFO ] Implicit Places using invariants in 83 ms returned []
[2025-06-08 00:07:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:07:24] [INFO ] State equation strengthened by 50 read => feed constraints.
[2025-06-08 00:07:25] [INFO ] Implicit Places using invariants and state equation in 1346 ms returned []
Implicit Place search using SMT with State Equation took 1430 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:07:25] [INFO ] Redundant transitions in 9 ms returned []
Running 127 sub problems to find dead transitions.
[2025-06-08 00:07:25] [INFO ] Invariant cache hit.
[2025-06-08 00:07:25] [INFO ] State equation strengthened by 50 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 8 (OVERLAPS) 1/286 variables, 1/187 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/286 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 10 (OVERLAPS) 0/286 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 286/286 variables, and 187 constraints, problems are : Problem set: 0 solved, 127 unsolved in 27985 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/285 variables, 123/309 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/286 variables, and 309 constraints, problems are : Problem set: 0 solved, 127 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 108/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 123/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58047ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 58048ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59503 ms. Remains : 109/109 places, 177/177 transitions.
[2025-06-08 00:08:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[3]
FORMULA CopsAndRobbers-PT-CRL025X003-UpperBounds-03 3 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 899 ms. (1111 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-08 00:08:24] [INFO ] Flatten gal took : 40 ms
[2025-06-08 00:08:24] [INFO ] Flatten gal took : 16 ms
[2025-06-08 00:08:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1321004453573622234.gal : 8 ms
[2025-06-08 00:08:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9788722687695974747.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1321004453573622234.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9788722687695974747.prop' '--nowitness' '--gen-order' 'FOLLOW'
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:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 166699 ms.
BK_STOP 1749341304907
--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="CopsAndRobbers-PT-CRL025X003"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is CopsAndRobbers-PT-CRL025X003, 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 r254-tall-174931339400197"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL025X003.tgz
mv CopsAndRobbers-PT-CRL025X003 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 '
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 ;